{"product_id":"aam-40189030-pinion-flange-seal-gm-11-5-axle-2020-25-hd-trucks","title":"AAM 40189030 Pinion Flange Seal - GM 11.5\" Axle 2020-25 HD Trucks","description":"\u003cp\u003eKeep your GM 11.5-inch rear axle sealed and protected with the American Axle \u0026amp; Manufacturing 40189030 pinion flange seal. Engineered specifically for 2020-2025 Chevrolet Silverado 2500 HD\/3500 HD and GMC Sierra 2500 HD\/3500 HD trucks equipped with the 6.6L L8T gas or 6.6L L5P Duramax diesel engines, this seal is built to the exact specification needed for a proper fit at the pinion flange. As a new component from AAM, a name trusted in driveline manufacturing, this seal helps maintain gear oil containment and keep contaminants out of your differential housing. Sold individually (one required per application), it's a straightforward, targeted replacement part for heavy-duty truck owners tackling axle service or preventive maintenance. Confirm your exact year, make, model, and engine combination before ordering to ensure correct fitment for your specific axle setup.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003ePurpose-built for GM 11.5-inch axle housings, helping ensure a precise, reliable seal fit\u003c\/li\u003e\n  \u003cli\u003eCovers 2020-2025 Silverado and Sierra 2500HD\/3500HD with L8T or L5P engines\u003c\/li\u003e\n  \u003cli\u003eNew AAM component supports proper pinion flange sealing to help contain gear oil\u003c\/li\u003e\n  \u003cli\u003eCompact, single-unit packaging simplifies ordering exactly what your repair requires\u003c\/li\u003e\n  \u003cli\u003eBacked by AAM's driveline manufacturing experience for demanding heavy-duty truck use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication Summary\u003c\/h3\u003e2020, 2023-2024 Chevrolet Silverado 3500 HD 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL\u003cbr\u003e2020, 2023-2024 GMC Sierra 2500 HD 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL\u003cbr\u003e2020, 2023-2024 GMC Sierra 3500 HD 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL\u003cbr\u003e2021-2022, 2025 Chevrolet Silverado 3500 HD 6.6L 6571CC 401CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e2021-2022, 2025 GMC Sierra 2500 HD 6.6L 6571CC 401CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e2021-2022, 2025 GMC Sierra 3500 HD 6.6L 6571CC 401CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e2022, 2025 Chevrolet Silverado 2500 HD 6.6L 6571CC 401CID V8 OHV 16 Valve Naturally Aspirated GAS\u003cbr\u003e2023-2024 Chevrolet Silverado 2500 HD 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL\u003cbr\u003e\n\u003cdiv class=\"-partnumber\"\u003ePart Numbers: 40189030\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 40189030\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Differential Pinion Seal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGTIN:\u003c\/strong\u003e 00840382503009\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e 4.0000 x 4.0000 x 1.5000 IN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight:\u003c\/strong\u003e 0.2000 PG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 1 EA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShaft Diameter:\u003c\/strong\u003e 66.3\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":47835813085333,"sku":"40189030","price":42.22,"currency_code":"USD","in_stock":true}],"url":"https:\/\/mizumoauto.com\/products\/aam-40189030-pinion-flange-seal-gm-11-5-axle-2020-25-hd-trucks","provider":"Mizumo Auto","version":"1.0","type":"link"}