From the brand
[Vehicle Fitment-1]: Compatible with Cadillac Escalade 1999-2000/2002-2018; Compatible with Chevrolet Avalanche 2007-2013, Avalanche 1500 2002-2006, C1500 1988-2001, K1500 1988-1998, S10 1999-2004, Silverado 1500 1999-2018, Silverado 1500 Classic 2007, Silverado 1500 HD 2001-2003/2005-2006, Silverado 1500 HD Classic 2007, Suburban 1500 1995-2014, Tahoe 1995-2018, Trailblazer 2002-2008 — Fits GM/Chevy 8.5″ and 8.6″ with 30 spline Axles & 2.73 – 5.13 Ratios
[Vehicle Fitment-2]: Compatible with GMC Envoy 2002-2008, Sierra 1500 1999-2018, Sierra 1500 HD 2001-2003/2005-2006, Yukon 1992-2018, Yukon XL 1500 2000-2014 — Fits GM/Chevy 8.5″ and 8.6″ with 30 spline Axles & 2.73 – 5.13 Ratios
[Specification]: Axle Cover Bolt Hole Quantity: 10; Axle Spline Count: 30; Carrier Bearing Included: Yes
[Reference Part Number]: 40048044, 19244836
[Advantage]: Outstanding Aluminum Material, Good Sealing with Rust and Corrosion Resistance, which ensures consistent and efficient engine torque transmission