{"title":"AN Reducer Unions","description":"\u003cp\u003e\u003cstrong\u003eAN reducer unions\u003c\/strong\u003e for stepping between line sizes on 1988-1999 Chevy and GMC (GMT400) builds. Male to male unions from -3 AN through -16 AN.\u003c\/p\u003e\u003cp\u003eEach union is listed by both AN sizes. Male to female reducers are in couplers.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003ca href=\"https:\/\/obsrevivalparts.com\/collections\/an-couplers-and-specialty-adapters\"\u003eCouplers\u003c\/a\u003e | \u003ca href=\"https:\/\/obsrevivalparts.com\/collections\/an-y-block-flare-tee-fittings-1\"\u003eY-blocks and tees\u003c\/a\u003e | \u003ca href=\"https:\/\/obsrevivalparts.com\/collections\/obs-an-lines-and-fittings\"\u003eAll AN fittings\u003c\/a\u003e\n\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eCall or text (970) 634-3577 or email OBSRevivalParts@gmail.com with year, model, and cab\/axle type.\u003c\/p\u003e","products":[{"product_id":"12-an-male-to-16-an-male-reducer-union","title":"-12 AN Male to -16 AN Male Reducer Union","description":"\u003cp\u003eBuilding custom fuel, oil, coolant or brake plumbing on your 1988-1998 Chevy\/GMC C\/K (OBS\/GMT400) truck? This ColorFittings AN coupler works on 2WD C-series and 4WD K-series 1500, 2500 and 3500 pickups, plus GMT400 Suburban, Tahoe and Yukon builds.\u003c\/p\u003e\n\u003cp\u003eThis ColorFittings \u003cstrong\u003e-12 AN Male to -16 AN Male Reducer Union\u003c\/strong\u003e is precision CNC-machined from 6061-T6 billet aluminum and finished with ColorFittings' proprietary anodized coating for corrosion resistance and long-term durability. Built to handle high-pressure, high-temperature fuel, oil, coolant, and power steering plumbing, including E85 and ethanol-based fuels.\u003c\/p\u003e\u003cp\u003eUniversal AN fitting compatible with 1988-1998 Chevrolet\/GMC C\/K, Suburban, Tahoe, Yukon, Blazer, and Jimmy trucks and SUVs when building or upgrading custom fuel, oil, or power steering lines.\u003c\/p\u003e\n\u003c!-- obs-std --\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: ColorFittings\u003c\/li\u003e\n\u003cli\u003ePart type: AN coupler\u003c\/li\u003e\n\u003cli\u003ePart number: CF-M2M-12-016-000-BL\u003c\/li\u003e\n\u003cli\u003eMaterial: 6061-T6 billet aluminum, anodized finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1988-1998 Chevrolet C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003e1988-1998 GMC Sierra C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003eGMT400 Suburban, Tahoe \u0026amp; Yukon builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment notes:\u003c\/strong\u003e This is a universal plumbing part, not a direct-fit factory replacement. Match the AN size and thread to your hose, line and component before ordering.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit a 2WD (C) or 4WD (K) truck?\u003c\/strong\u003e\u003cbr\u003eBoth. AN plumbing parts are universal, so they fit any OBS C or K truck when the size and thread match your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it in stock?\u003c\/strong\u003e\u003cbr\u003eThis part ships direct from ColorFittings. If it is out of stock, the listing shows Sold Out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure which size you need?\u003c\/strong\u003e\u003cbr\u003eCall, text or email us with your engine, fuel or oil setup and the line size, and we will help you pick the right part.\u003c\/p\u003e","brand":"ColorFittings","offers":[{"title":"Black","offer_id":58750677287072,"sku":"CF-M2M-12-016-000-BL","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/Male-to-Male-Reducer-Union-Black.png?v=1787352435"},{"product_id":"10an-male-to-16an-male-reducer-union","title":"-10AN Male to -16AN Male Reducer Union","description":"\u003cp\u003eBuilding custom fuel, oil, coolant or brake plumbing on your 1988-1998 Chevy\/GMC C\/K (OBS\/GMT400) truck? This ColorFittings AN coupler works on 2WD C-series and 4WD K-series 1500, 2500 and 3500 pickups, plus GMT400 Suburban, Tahoe and Yukon builds.\u003c\/p\u003e\n\u003cp\u003eThis ColorFittings \u003cstrong\u003e-10AN Male to -16AN Male Reducer Union\u003c\/strong\u003e is precision CNC-machined from 6061-T6 billet aluminum and finished with ColorFittings' proprietary anodized coating for corrosion resistance and long-term durability. Built to handle high-pressure, high-temperature fuel, oil, coolant, and power steering plumbing, including E85 and ethanol-based fuels.\u003c\/p\u003e\u003cp\u003eUniversal AN fitting compatible with 1988-1998 Chevrolet\/GMC C\/K, Suburban, Tahoe, Yukon, Blazer, and Jimmy trucks and SUVs when building or upgrading custom fuel, oil, or power steering lines.\u003c\/p\u003e\n\u003c!-- obs-std --\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: ColorFittings\u003c\/li\u003e\n\u003cli\u003ePart type: AN coupler\u003c\/li\u003e\n\u003cli\u003ePart number: CF-M2M-10-016-000-BL\u003c\/li\u003e\n\u003cli\u003eMaterial: 6061-T6 billet aluminum, anodized finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1988-1998 Chevrolet C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003e1988-1998 GMC Sierra C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003eGMT400 Suburban, Tahoe \u0026amp; Yukon builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment notes:\u003c\/strong\u003e This is a universal plumbing part, not a direct-fit factory replacement. Match the AN size and thread to your hose, line and component before ordering.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit a 2WD (C) or 4WD (K) truck?\u003c\/strong\u003e\u003cbr\u003eBoth. AN plumbing parts are universal, so they fit any OBS C or K truck when the size and thread match your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it in stock?\u003c\/strong\u003e\u003cbr\u003eThis part ships direct from ColorFittings. If it is out of stock, the listing shows Sold Out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure which size you need?\u003c\/strong\u003e\u003cbr\u003eCall, text or email us with your engine, fuel or oil setup and the line size, and we will help you pick the right part.\u003c\/p\u003e","brand":"ColorFittings","offers":[{"title":"Black","offer_id":58750677352608,"sku":"CF-M2M-10-016-000-BL","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/Male-to-Male-Reducer-Union-Black_9d6b5079-3f5f-4262-8b69-80b48e107215.png?v=1787352435"},{"product_id":"10an-male-to-12an-male-reducer-union","title":"-10AN Male to -12AN Male Reducer Union","description":"\u003cp\u003eBuilding custom fuel, oil, coolant or brake plumbing on your 1988-1998 Chevy\/GMC C\/K (OBS\/GMT400) truck? This ColorFittings AN coupler works on 2WD C-series and 4WD K-series 1500, 2500 and 3500 pickups, plus GMT400 Suburban, Tahoe and Yukon builds.\u003c\/p\u003e\n\u003cp\u003eThis ColorFittings \u003cstrong\u003e-10AN Male to -12AN Male Reducer Union\u003c\/strong\u003e is precision CNC-machined from 6061-T6 billet aluminum and finished with ColorFittings' proprietary anodized coating for corrosion resistance and long-term durability. Built to handle high-pressure, high-temperature fuel, oil, coolant, and power steering plumbing, including E85 and ethanol-based fuels.\u003c\/p\u003e\u003cp\u003eUniversal AN fitting compatible with 1988-1998 Chevrolet\/GMC C\/K, Suburban, Tahoe, Yukon, Blazer, and Jimmy trucks and SUVs when building or upgrading custom fuel, oil, or power steering lines.\u003c\/p\u003e\n\u003c!-- obs-std --\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: ColorFittings\u003c\/li\u003e\n\u003cli\u003ePart type: AN coupler\u003c\/li\u003e\n\u003cli\u003ePart number: CF-M2M-10-012-000-BL\u003c\/li\u003e\n\u003cli\u003eMaterial: 6061-T6 billet aluminum, anodized finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1988-1998 Chevrolet C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003e1988-1998 GMC Sierra C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003eGMT400 Suburban, Tahoe \u0026amp; Yukon builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment notes:\u003c\/strong\u003e This is a universal plumbing part, not a direct-fit factory replacement. Match the AN size and thread to your hose, line and component before ordering.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit a 2WD (C) or 4WD (K) truck?\u003c\/strong\u003e\u003cbr\u003eBoth. AN plumbing parts are universal, so they fit any OBS C or K truck when the size and thread match your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it in stock?\u003c\/strong\u003e\u003cbr\u003eThis part ships direct from ColorFittings. If it is out of stock, the listing shows Sold Out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure which size you need?\u003c\/strong\u003e\u003cbr\u003eCall, text or email us with your engine, fuel or oil setup and the line size, and we will help you pick the right part.\u003c\/p\u003e","brand":"ColorFittings","offers":[{"title":"Black","offer_id":58750677418144,"sku":"CF-M2M-10-012-000-BL","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/Male-to-Male-Reducer-Union-Black_1d7a7ca4-defb-4cf0-a0ed-340cc1a98f43.png?v=1787352436"},{"product_id":"6an-male-to-12an-male-reducer-union","title":"-6AN Male to -12AN Male Reducer Union","description":"\u003cp\u003eBuilding custom fuel, oil, coolant or brake plumbing on your 1988-1998 Chevy\/GMC C\/K (OBS\/GMT400) truck? This ColorFittings AN coupler works on 2WD C-series and 4WD K-series 1500, 2500 and 3500 pickups, plus GMT400 Suburban, Tahoe and Yukon builds.\u003c\/p\u003e\n\u003cp\u003eThis ColorFittings \u003cstrong\u003e-6AN Male to -12AN Male Reducer Union\u003c\/strong\u003e is precision CNC-machined from 6061-T6 billet aluminum and finished with ColorFittings' proprietary anodized coating for corrosion resistance and long-term durability. Built to handle high-pressure, high-temperature fuel, oil, coolant, and power steering plumbing, including E85 and ethanol-based fuels.\u003c\/p\u003e\u003cp\u003eUniversal AN fitting compatible with 1988-1998 Chevrolet\/GMC C\/K, Suburban, Tahoe, Yukon, Blazer, and Jimmy trucks and SUVs when building or upgrading custom fuel, oil, or power steering lines.\u003c\/p\u003e\n\u003c!-- obs-std --\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: ColorFittings\u003c\/li\u003e\n\u003cli\u003ePart type: AN coupler\u003c\/li\u003e\n\u003cli\u003ePart number: CF-M2M-06-012-000-BL\u003c\/li\u003e\n\u003cli\u003eMaterial: 6061-T6 billet aluminum, anodized finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1988-1998 Chevrolet C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003e1988-1998 GMC Sierra C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003eGMT400 Suburban, Tahoe \u0026amp; Yukon builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment notes:\u003c\/strong\u003e This is a universal plumbing part, not a direct-fit factory replacement. Match the AN size and thread to your hose, line and component before ordering.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit a 2WD (C) or 4WD (K) truck?\u003c\/strong\u003e\u003cbr\u003eBoth. AN plumbing parts are universal, so they fit any OBS C or K truck when the size and thread match your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it in stock?\u003c\/strong\u003e\u003cbr\u003eThis part ships direct from ColorFittings. If it is out of stock, the listing shows Sold Out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure which size you need?\u003c\/strong\u003e\u003cbr\u003eCall, text or email us with your engine, fuel or oil setup and the line size, and we will help you pick the right part.\u003c\/p\u003e","brand":"ColorFittings","offers":[{"title":"Black","offer_id":58750677483680,"sku":"CF-M2M-06-012-000-BL","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/Male-to-Male-Reducer-Union-Black_0d3ba6e7-fefe-485f-8019-7d6be41a739d.png?v=1787352437"},{"product_id":"6an-male-to-10an-male-reducer-union","title":"-6AN Male to -10AN Male Reducer Union","description":"\u003cp\u003eBuilding custom fuel, oil, coolant or brake plumbing on your 1988-1998 Chevy\/GMC C\/K (OBS\/GMT400) truck? This ColorFittings AN coupler works on 2WD C-series and 4WD K-series 1500, 2500 and 3500 pickups, plus GMT400 Suburban, Tahoe and Yukon builds.\u003c\/p\u003e\n\u003cp\u003eThis ColorFittings \u003cstrong\u003e-6AN Male to -10AN Male Reducer Union\u003c\/strong\u003e is precision CNC-machined from 6061-T6 billet aluminum and finished with ColorFittings' proprietary anodized coating for corrosion resistance and long-term durability. Built to handle high-pressure, high-temperature fuel, oil, coolant, and power steering plumbing, including E85 and ethanol-based fuels.\u003c\/p\u003e\u003cp\u003eUniversal AN fitting compatible with 1988-1998 Chevrolet\/GMC C\/K, Suburban, Tahoe, Yukon, Blazer, and Jimmy trucks and SUVs when building or upgrading custom fuel, oil, or power steering lines.\u003c\/p\u003e\n\u003c!-- obs-std --\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: ColorFittings\u003c\/li\u003e\n\u003cli\u003ePart type: AN coupler\u003c\/li\u003e\n\u003cli\u003ePart number: CF-M2M-06-010-000-BL\u003c\/li\u003e\n\u003cli\u003eMaterial: 6061-T6 billet aluminum, anodized finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1988-1998 Chevrolet C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003e1988-1998 GMC Sierra C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003eGMT400 Suburban, Tahoe \u0026amp; Yukon builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment notes:\u003c\/strong\u003e This is a universal plumbing part, not a direct-fit factory replacement. Match the AN size and thread to your hose, line and component before ordering.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit a 2WD (C) or 4WD (K) truck?\u003c\/strong\u003e\u003cbr\u003eBoth. AN plumbing parts are universal, so they fit any OBS C or K truck when the size and thread match your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it in stock?\u003c\/strong\u003e\u003cbr\u003eThis part ships direct from ColorFittings. If it is out of stock, the listing shows Sold Out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure which size you need?\u003c\/strong\u003e\u003cbr\u003eCall, text or email us with your engine, fuel or oil setup and the line size, and we will help you pick the right part.\u003c\/p\u003e","brand":"ColorFittings","offers":[{"title":"Black","offer_id":58750677516448,"sku":"CF-M2M-06-010-000-BL","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/Male-to-Male-Reducer-Union-Black_85bc4f1d-7704-436a-ac7d-9a604bb96613.png?v=1787352437"},{"product_id":"6an-male-to-8an-male-reducer-union","title":"-6AN Male to -8AN Male Reducer Union","description":"\u003cp\u003eBuilding custom fuel, oil, coolant or brake plumbing on your 1988-1998 Chevy\/GMC C\/K (OBS\/GMT400) truck? This ColorFittings AN coupler works on 2WD C-series and 4WD K-series 1500, 2500 and 3500 pickups, plus GMT400 Suburban, Tahoe and Yukon builds.\u003c\/p\u003e\n\u003cp\u003eThis ColorFittings \u003cstrong\u003e-6AN Male to -8AN Male Reducer Union\u003c\/strong\u003e is precision CNC-machined from 6061-T6 billet aluminum and finished with ColorFittings' proprietary anodized coating for corrosion resistance and long-term durability. Built to handle high-pressure, high-temperature fuel, oil, coolant, and power steering plumbing, including E85 and ethanol-based fuels.\u003c\/p\u003e\u003cp\u003eUniversal AN fitting compatible with 1988-1998 Chevrolet\/GMC C\/K, Suburban, Tahoe, Yukon, Blazer, and Jimmy trucks and SUVs when building or upgrading custom fuel, oil, or power steering lines.\u003c\/p\u003e\n\u003c!-- obs-std --\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: ColorFittings\u003c\/li\u003e\n\u003cli\u003ePart type: AN coupler\u003c\/li\u003e\n\u003cli\u003ePart number: CF-M2M-06-008-000-BL\u003c\/li\u003e\n\u003cli\u003eMaterial: 6061-T6 billet aluminum, anodized finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1988-1998 Chevrolet C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003e1988-1998 GMC Sierra C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003eGMT400 Suburban, Tahoe \u0026amp; Yukon builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment notes:\u003c\/strong\u003e This is a universal plumbing part, not a direct-fit factory replacement. Match the AN size and thread to your hose, line and component before ordering.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit a 2WD (C) or 4WD (K) truck?\u003c\/strong\u003e\u003cbr\u003eBoth. AN plumbing parts are universal, so they fit any OBS C or K truck when the size and thread match your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it in stock?\u003c\/strong\u003e\u003cbr\u003eThis part ships direct from ColorFittings. If it is out of stock, the listing shows Sold Out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure which size you need?\u003c\/strong\u003e\u003cbr\u003eCall, text or email us with your engine, fuel or oil setup and the line size, and we will help you pick the right part.\u003c\/p\u003e","brand":"ColorFittings","offers":[{"title":"Black","offer_id":58750677549216,"sku":"CF-M2M-06-008-000-BL","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/Male-to-Male-Reducer-Union-Black_0e5a531f-70ea-4ebc-84c6-b98d1404e4af.png?v=1787352438"},{"product_id":"4an-male-to-8an-male-reducer-union","title":"-4AN Male to -8AN Male Reducer Union","description":"\u003cp\u003eBuilding custom fuel, oil, coolant or brake plumbing on your 1988-1998 Chevy\/GMC C\/K (OBS\/GMT400) truck? This ColorFittings AN coupler works on 2WD C-series and 4WD K-series 1500, 2500 and 3500 pickups, plus GMT400 Suburban, Tahoe and Yukon builds.\u003c\/p\u003e\n\u003cp\u003eThis ColorFittings \u003cstrong\u003e-4AN Male to -8AN Male Reducer Union\u003c\/strong\u003e is precision CNC-machined from 6061-T6 billet aluminum and finished with ColorFittings' proprietary anodized coating for corrosion resistance and long-term durability. Built to handle high-pressure, high-temperature fuel, oil, coolant, and power steering plumbing, including E85 and ethanol-based fuels.\u003c\/p\u003e\u003cp\u003eUniversal AN fitting compatible with 1988-1998 Chevrolet\/GMC C\/K, Suburban, Tahoe, Yukon, Blazer, and Jimmy trucks and SUVs when building or upgrading custom fuel, oil, or power steering lines.\u003c\/p\u003e\n\u003c!-- obs-std --\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: ColorFittings\u003c\/li\u003e\n\u003cli\u003ePart type: AN coupler\u003c\/li\u003e\n\u003cli\u003ePart number: CF-M2M-04-008-000-BL\u003c\/li\u003e\n\u003cli\u003eMaterial: 6061-T6 billet aluminum, anodized finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1988-1998 Chevrolet C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003e1988-1998 GMC Sierra C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003eGMT400 Suburban, Tahoe \u0026amp; Yukon builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment notes:\u003c\/strong\u003e This is a universal plumbing part, not a direct-fit factory replacement. Match the AN size and thread to your hose, line and component before ordering.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit a 2WD (C) or 4WD (K) truck?\u003c\/strong\u003e\u003cbr\u003eBoth. AN plumbing parts are universal, so they fit any OBS C or K truck when the size and thread match your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it in stock?\u003c\/strong\u003e\u003cbr\u003eThis part ships direct from ColorFittings. If it is out of stock, the listing shows Sold Out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure which size you need?\u003c\/strong\u003e\u003cbr\u003eCall, text or email us with your engine, fuel or oil setup and the line size, and we will help you pick the right part.\u003c\/p\u003e","brand":"ColorFittings","offers":[{"title":"Black","offer_id":58750677614752,"sku":"CF-M2M-04-008-000-BL","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/Male-to-Male-Reducer-Union-Black_b2cbeb79-322d-4df0-9486-5e1ddf2d1aaf.png?v=1787352438"},{"product_id":"4an-male-to-5an-male-reducer-union","title":"-4AN Male to -5AN Male Reducer Union","description":"\u003cp\u003eBuilding custom fuel, oil, coolant or brake plumbing on your 1988-1998 Chevy\/GMC C\/K (OBS\/GMT400) truck? This ColorFittings AN coupler works on 2WD C-series and 4WD K-series 1500, 2500 and 3500 pickups, plus GMT400 Suburban, Tahoe and Yukon builds.\u003c\/p\u003e\n\u003cp\u003eThis ColorFittings \u003cstrong\u003e-4AN Male to -5AN Male Reducer Union\u003c\/strong\u003e is precision CNC-machined from 6061-T6 billet aluminum and finished with ColorFittings' proprietary anodized coating for corrosion resistance and long-term durability. Built to handle high-pressure, high-temperature fuel, oil, coolant, and power steering plumbing, including E85 and ethanol-based fuels.\u003c\/p\u003e\u003cp\u003eUniversal AN fitting compatible with 1988-1998 Chevrolet\/GMC C\/K, Suburban, Tahoe, Yukon, Blazer, and Jimmy trucks and SUVs when building or upgrading custom fuel, oil, or power steering lines.\u003c\/p\u003e\n\u003c!-- obs-std --\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: ColorFittings\u003c\/li\u003e\n\u003cli\u003ePart type: AN coupler\u003c\/li\u003e\n\u003cli\u003ePart number: CF-M2M-04-005-000-BL\u003c\/li\u003e\n\u003cli\u003eMaterial: 6061-T6 billet aluminum, anodized finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1988-1998 Chevrolet C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003e1988-1998 GMC Sierra C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003eGMT400 Suburban, Tahoe \u0026amp; Yukon builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment notes:\u003c\/strong\u003e This is a universal plumbing part, not a direct-fit factory replacement. Match the AN size and thread to your hose, line and component before ordering.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit a 2WD (C) or 4WD (K) truck?\u003c\/strong\u003e\u003cbr\u003eBoth. AN plumbing parts are universal, so they fit any OBS C or K truck when the size and thread match your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it in stock?\u003c\/strong\u003e\u003cbr\u003eThis part ships direct from ColorFittings. If it is out of stock, the listing shows Sold Out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure which size you need?\u003c\/strong\u003e\u003cbr\u003eCall, text or email us with your engine, fuel or oil setup and the line size, and we will help you pick the right part.\u003c\/p\u003e","brand":"ColorFittings","offers":[{"title":"Black","offer_id":58750677647520,"sku":"CF-M2M-04-005-000-BL","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/Male-to-Male-Reducer-Union-Black_8689d5ce-e32e-4df9-9290-a54aabebdc53.png?v=1787352439"},{"product_id":"3an-male-to-6an-male-reducer-union","title":"-3AN Male to -6AN Male Reducer Union","description":"\u003cp\u003eBuilding custom fuel, oil, coolant or brake plumbing on your 1988-1998 Chevy\/GMC C\/K (OBS\/GMT400) truck? This ColorFittings AN coupler works on 2WD C-series and 4WD K-series 1500, 2500 and 3500 pickups, plus GMT400 Suburban, Tahoe and Yukon builds.\u003c\/p\u003e\n\u003cp\u003eThis ColorFittings \u003cstrong\u003e-3AN Male to -6AN Male Reducer Union\u003c\/strong\u003e is precision CNC-machined from 6061-T6 billet aluminum and finished with ColorFittings' proprietary anodized coating for corrosion resistance and long-term durability. Built to handle high-pressure, high-temperature fuel, oil, coolant, and power steering plumbing, including E85 and ethanol-based fuels.\u003c\/p\u003e\u003cp\u003eUniversal AN fitting compatible with 1988-1998 Chevrolet\/GMC C\/K, Suburban, Tahoe, Yukon, Blazer, and Jimmy trucks and SUVs when building or upgrading custom fuel, oil, or power steering lines.\u003c\/p\u003e\n\u003c!-- obs-std --\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: ColorFittings\u003c\/li\u003e\n\u003cli\u003ePart type: AN coupler\u003c\/li\u003e\n\u003cli\u003ePart number: CF-M2M-03-006-000-BL\u003c\/li\u003e\n\u003cli\u003eMaterial: 6061-T6 billet aluminum, anodized finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1988-1998 Chevrolet C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003e1988-1998 GMC Sierra C\/K1500, C\/K2500 \u0026amp; C\/K3500 pickups (2WD and 4WD)\u003c\/li\u003e\n\u003cli\u003eGMT400 Suburban, Tahoe \u0026amp; Yukon builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment notes:\u003c\/strong\u003e This is a universal plumbing part, not a direct-fit factory replacement. Match the AN size and thread to your hose, line and component before ordering.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit a 2WD (C) or 4WD (K) truck?\u003c\/strong\u003e\u003cbr\u003eBoth. AN plumbing parts are universal, so they fit any OBS C or K truck when the size and thread match your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it in stock?\u003c\/strong\u003e\u003cbr\u003eThis part ships direct from ColorFittings. If it is out of stock, the listing shows Sold Out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure which size you need?\u003c\/strong\u003e\u003cbr\u003eCall, text or email us with your engine, fuel or oil setup and the line size, and we will help you pick the right part.\u003c\/p\u003e","brand":"ColorFittings","offers":[{"title":"Black","offer_id":58750677713056,"sku":"CF-M2M-03-006-000-BL","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/Male-to-Male-Reducer-Union-Black_985a2d9f-4987-4b91-b98d-54baefa08f32.png?v=1787352439"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/collections\/Male-to-Male-Reducer-Union-Black_1d7a7ca4-defb-4cf0-a0ed-340cc1a98f43.png?v=1787424393","url":"https:\/\/obsrevivalparts.com\/collections\/an-reducer-unions.oembed","provider":"OBS Revival Parts","version":"1.0","type":"link"}