{"product_id":"aam-74040441-differential-pinion-gear-kit-gm-8-5-axle","title":"AAM 74040441 Differential Pinion Gear Kit - GM 8.5\" Axle","description":"\u003cp\u003eKeep your GM 8.5\" differential running the way it should with the American Axle \u0026amp; Manufacturing 74040441 Pinion Gear Kit. Engineered specifically for the 8.5\" ring gear differential used across a wide range of Buick, Cadillac, and Chevrolet trucks and full-size cars built between 1988 and 1999, this kit is designed to restore proper spider and pinion gear function inside your axle assembly. AAM backs this component with its Premium attribute designation, reflecting a build quality intended for durable, reliable service. The kit ships complete and ready to install, with a 10-bolt cover configuration matching the correct GM 8.5\" housing. Whether you're rebuilding a Suburban, Blazer, Fleetwood, or Roadmaster differential, this pinion gear kit is matched to your application through verified fitment data covering 150 vehicle configurations, helping you get the right part the first time.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003ePurpose-built for GM 8.5\" differentials, helping ensure correct fit versus generic gear kits\u003c\/li\u003e\n  \u003cli\u003ePremium attribute designation from AAM signals a build intended for dependable long-term service\u003c\/li\u003e\n  \u003cli\u003e10-bolt cover compatibility matches the correct GM 8.5\" housing configuration\u003c\/li\u003e\n  \u003cli\u003eVerified fitment across 150 listed applications reduces guesswork when ordering\u003c\/li\u003e\n  \u003cli\u003eShips as a complete kit with quantity of one per application for straightforward ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication Summary\u003c\/h3\u003e1980-1990 Oldsmobile Custom Cruiser 5.0L -CC 307CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1983-1984 Chevrolet S10 Blazer 2.0L -CC 122CID L4 OHV 8 Valve Naturally Aspirated GAS\u003cbr\u003e1985-1988 Chevrolet S10 Blazer 2.5L 2474CC 151CID L4 OHV 8 Valve Naturally Aspirated GAS\u003cbr\u003e1988 Chevrolet R10 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988 Chevrolet R20 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988 Chevrolet V10 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988 Chevrolet V20 Suburban 7.4L -CC 454CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988, 1991-1994 Chevrolet Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1989, 1994-1995, 1999 Chevrolet C1500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1990 Buick Electra 3.8L 3800CC 231CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1990 Cadillac Brougham 5.0L -CC 307CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1990 Cadillac Fleetwood 4.5L -CC 273CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1990 Chevrolet K2500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1990, 1996-1999 Chevrolet C2500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1991 GMC Jimmy 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1991 GMC R1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1991 GMC R2500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1991 GMC V1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1991 GMC V2500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1992 Chevrolet Caprice 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1994 Chevrolet Blazer 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1994 GMC C1500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1994, 1999 GMC K1500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1995 Chevrolet G10 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1995 Chevrolet G20 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1995 Chevrolet K1500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1995 GMC G1500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1988-1995 GMC G2500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1989 Chevrolet S10 Blazer 2.8L -CC 173CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1989, 1991 Chevrolet V2500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1989-1990 Chevrolet Suburban 5.7L -CC -CID V8 U\/K U\/K Valve Naturally Aspirated GAS\u003cbr\u003e1989-1991 Chevrolet R1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1989-1991 Chevrolet R2500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1989-1991 Chevrolet V1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1990 Chevrolet V2500 Suburban 7.4L -CC 454CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1990-1993 Chevrolet C1500 7.4L -CC 454CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1990-1994 Chevrolet S10 Blazer 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1991 Buick Commercial Chassis 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1991 Buick Roadmaster 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1991 Chevrolet K2500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1991 Oldsmobile Custom Cruiser 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1991-1992 Cadillac Brougham 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1991-1992 Cadillac Fleetwood 4.9L -CC 300CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1991-1992, 1994-1995 Chevrolet C2500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1992 Oldsmobile Custom Cruiser 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1993 GMC Typhoon 4.3L -CC 262CID V6 OHV 12 Valve Turbocharged GAS\u003cbr\u003e1992-1993, 1995-1999 Chevrolet C1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1993, 1995-1999 Chevrolet K1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1993, 1996-1999 GMC Yukon 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1996 Buick Commercial Chassis 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1996 Buick Roadmaster 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1999 Chevrolet C2500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1999 Chevrolet K2500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1999 GMC C1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1999 GMC C2500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1999 GMC Jimmy 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1999 GMC K1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1992-1999 GMC K2500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1993 Chevrolet C2500 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated CNG\u003cbr\u003e1993, 1995-1996 Chevrolet Caprice 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1993-1996 Cadillac Fleetwood 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1994 Chevrolet C1500 Suburban 6.5L -CC 395CID V8 OHV 16 Valve Turbocharged DIESEL\u003cbr\u003e1994 Chevrolet Caprice 4.3L -CC 265CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1994 Chevrolet K1500 Suburban 6.5L -CC 395CID V8 OHV 16 Valve Turbocharged DIESEL\u003cbr\u003e1994-1995 GMC Yukon 6.5L -CC 395CID V8 OHV 16 Valve Turbocharged DIESEL\u003cbr\u003e1994-1995, 1999 Chevrolet S10 2.2L 2190CC 134CID L4 OHV 8 Valve Naturally Aspirated GAS\u003cbr\u003e1994-1996 Chevrolet Impala 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1994-1999 GMC Sonoma 2.2L 2190CC 134CID L4 OHV 8 Valve Naturally Aspirated GAS\u003cbr\u003e1995 GMC C1500 6.5L -CC 395CID V8 OHV 16 Valve Naturally Aspirated DIESEL\u003cbr\u003e1995 GMC K1500 6.5L -CC 395CID V8 OHV 16 Valve Naturally Aspirated DIESEL\u003cbr\u003e1995-1996 Chevrolet Silverado 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1995-1998 Chevrolet Suburban 1500 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1995-1999 Chevrolet Blazer 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1996 Chevrolet C1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1996 Chevrolet K1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1996, 1998 GMC C1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1996, 1998 GMC K1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1996-1998 Chevrolet S10 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1996-1999 Chevrolet Express 1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1996-1999 GMC Savana 1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e1997 GMC C1500 6.5L -CC 395CID V8 OHV 16 Valve Turbocharged DIESEL\u003cbr\u003e1997 GMC K1500 6.5L -CC 395CID V8 OHV 16 Valve Turbocharged DIESEL\u003cbr\u003e1997-1998 Chevrolet C1500 6.5L -CC 395CID V8 OHV 16 Valve Turbocharged DIESEL\u003cbr\u003e1997-1998 Chevrolet K1500 6.5L -CC 395CID V8 OHV 16 Valve Turbocharged DIESEL\u003cbr\u003e1997-1999 Chevrolet Silverado 4.0L 3990CC 243CID L4 OHV 8 Valve Naturally Aspirated DIESEL\u003cbr\u003e1999 Cadillac Escalade 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e1999 Chevrolet Silverado 1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS\u003cbr\u003e\n\u003cdiv class=\"-partnumber\"\u003ePart Numbers: 74040441\u003c\/div\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e American Axle \u0026amp; Manufacturing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 74040441\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Differential Spider and Pinion Gear Kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGTIN:\u003c\/strong\u003e 00840382504631\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e 4.7500 x 4.7500 x 4.2500 IN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight:\u003c\/strong\u003e 4.4500 PG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 1 EA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade Type:\u003c\/strong\u003e Premium\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty Type:\u003c\/strong\u003e Limited\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty Duration:\u003c\/strong\u003e 1X Years\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty Description:\u003c\/strong\u003e Limited, see demandaam.com\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"American Axle \u0026 Manufacturing","offers":[{"title":"Default Title","offer_id":47835825995925,"sku":"74040441","price":145.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/4266\/8181\/files\/74040441_B.jpg?v=1787718879","url":"https:\/\/mizumoauto.com\/products\/aam-74040441-differential-pinion-gear-kit-gm-8-5-axle","provider":"Mizumo Auto","version":"1.0","type":"link"}