{"title":"OBS Differentials","description":"\u003cp\u003e\u003cstrong\u003eOBS Differentials\u003c\/strong\u003e — ring \u0026amp; pinion gear sets, lockers \u0026amp; limited slips, install kits, covers, and reman axle assemblies for 1988-1998 Chevy \u0026amp; GMC GMT400 trucks and SUVs. Shop \u003ca href=\"\/collections\/obs-ring-and-pinion\"\u003eRing \u0026amp; Pinion\u003c\/a\u003e, \u003ca href=\"\/collections\/obs-locking-differentials-limited-slips\"\u003eLocking Differentials \u0026amp; Limited Slips\u003c\/a\u003e, \u003ca href=\"\/collections\/obs-differential-parts\"\u003eDifferential Parts\u003c\/a\u003e, or browse all \u003ca href=\"\/collections\/obs-drivetrain-parts\"\u003eOBS Drivetrain Parts\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"rear-axle-transmission-ventilator-3-8-hole-1953-2010-gm","title":"Rear Axle \/ Transmission Ventilator - 3\/8\" Hole (1953-2010 GM)","description":"\u003cp\u003eKeep axle and transmission housings properly vented with this 3\/8\" hole rear axle\/transmission ventilator, a direct fit for 1953-2010 GM trucks and SUVs including 1988-1998 Chevy and GMC OBS pickups, Blazers, Suburbans, and Yukons. 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