Motive Gear GM10.5-538X, Differential Ring & Pinion, For GM 10.5" Axles, Gear Ratio 5.38, 12-Bolt, 30 Spline, 8 Pinion & 43 Ring Tooth - Fits Chevrolet & GMC Replaces GM10.5-538T, GM14T-538T-NG.

Short SummaryThe Motive Gear GM10.5-538X Differential Ring and Pinion is designed for GM 10.5" (14 Bolt) axles, featuring a 5.38 gear ratio. The thick ring gear requires a 4.10 or numerically lower ratio carrier. Made from durable 8620 steel, it offers reliable performance for heavy-duty vehicles.FeaturesGear Ratio: 5.38Pinion Shaft Diameter: 1.75 inchesPinion Spline Count: 30Ring Gear Outside Diameter: 10.5 inchesRing Gear Material: 8620 SteelPinion Gear Tooth Quantity: 8Ring Gear Tooth Quantity: 43Cover Bolt Quantity: 14Carrier Break: 4.10 ratio and lowerRing Gear Rotation: StandardApplication & CompatibilityChevrolet:Avalanche 2500: 2002–2006C20: 1975–1986C20 Pickup: 1973–1974C20 Suburban: 1973–1986C2500: 1988–2000C2500 Suburban: 1992–1999C30: 1975–1986C30 Pickup: 1973–1974C3500: 1988–2000Express 2500: 1996–2002Express 2500: 2010–2014Express 3500: 1996–2002Express 3500: 2010–2014G30: 1975–1996G30 Van: 1973–1974K20: 1975–1986K20 Pickup: 1973–1974K20 Suburban: 1973–1986K2500: 1988–2000K30: 1977–1986K30 Pickup: 1973–1974K3500: 1988–2000P30: 1997–1999P30: 2001–2002R20: 1987–1988R20 Suburban: 1987–1988R2500: 1989–1991R2500 Suburban: 1989–1991R30: 1987–1988R3500: 1989–1991Silverado 2500: 1999–2009Silverado 2500: 2011–2012Silverado 2500: 2014–2018Silverado 2500 HD: 2001–2018Silverado 2500 HD Classic: 2007Suburban: 2014–2018Suburban 2500: 2000–2013V20: 1987V20 Suburban: 1987V2500 Suburban: 1989–1991V30: 1987–1988V3500: 1989–1991GMC:C25: 1975–1978C25 Suburban: 1975–1978C25/C2500 Pickup: 1973–1974C25/C2500 Suburban: 1973–1974C2500: 1979–1986C2500: 1988–2000C2500 Suburban: 1979–1986C35/C3500 Pickup: 1973–1974C3500: 1979–1986C3500: 1988–2000G35: 1975–1978G35/G3500 Van: 1973–1974G3500: 1979–1996K25: 1975–1978K25 Suburban: 1975–1978K25/K2500 Pickup: 1973–1974K25/K2500 Suburban: 1973–1974K2500: 1979–1986K2500: 1988–2000K2500 Suburban: 1979–1986K2500 Suburban: 1992–1999K35: 1977–1978K35/K3500 Pickup: 1973–1974K3500: 1979–1986K3500: 1988–2000P3500: 1997–1999R2500: 1987–1989R2500 Suburban: 1987–1991R3500: 1987–1991Savana 2500: 1996–2018Savana 3500: 1996–2018Sierra 2500: 1999–2004Sierra 2500 HD: 2001–2018Sierra 2500 HD Classic: 2007V2500 Suburban: 1987–1991V3500: 1987–1991Yukon XL 2500: 2000–2013ReplacesRevolution Gear & Axle: GM10.5-538TNitro Gear & Axle: GM14T-538T-NGWarranty1 Year or 50,000 Miles

• Gear Ratio & Compatibility: Features a 5.38 gear ratio for GM 10.5" axles (14 Bolt). Requires a 4.10 ratio and numerically lower carrier for proper installation.
• Durable Construction: Constructed with high-quality 8620 steel for both the pinion and ring gears, providing superior strength and performance in demanding applications.
• Pinion & Ring Gear Details: 1.75-inch pinion shaft diameter with 30 splines and 8 pinion teeth. The ring gear has a 10.5-inch outside diameter with 43 teeth for efficient power transfer.
• Vehicle Applications: Compatible with a wide range of Chevrolet and GMC models, including 2002–2018 Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, and more.
• Replaces OEM Parts: Replaces part numbers GM10.5-538T from Revolution Gear & Axle and GM14T-538T-NG from Nitro Gear & Axle, ensuring easy replacement with top-notch reliability.