Motive Gear GM10.5IKLA Differential Gear Install Kit for GM 10.5", Gear Ratio: 4.10 & Down, Rear - Fits Chevrolet/GMC 2500/3500 Series & Vans (1998–2018), Replaces: Ratech 172K

Short Summary: The Motive Gear GM10.5IKLA is a complete differential gear install kit designed for GM 10.5" 14-bolt rear axles using 4.10 and numerically lower gear ratios. It includes all essential components for a professional installation or rebuild, ensuring long-lasting performance and reliability.Key FeaturesDifferential Model: GM 10.5" (14-Bolt Rear)Gear Ratio Compatibility: 4.10 & DownIncludes: Cover Gasket or RTV, Crush Sleeve or Preload Shim Pack, Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts, Pinion & Carrier Shims, Thread Locking Compound, and BrushInstallation Position: Rear DifferentialUsage: Ideal for gear swaps, rebuilds, and maintenance on heavy-duty GM trucks and vansVehicle CompatibilityFits GM 10.5" Rear Differentials in the Following Models:Chevrolet2002–2006 Avalanche 25001998–2000 C25001998–1999 C2500 Suburban1998–2000 C35001998–2018 Express 2500, Express 35001998–2000 K25001998–1999 K2500 Suburban1998–2000 K35001998–1999 P30, 2001–2002 P301999–2009, 2011 Silverado 25002001–2018 Silverado 2500 HD2007 Silverado 2500 HD Classic2015–2018 Suburban2000–2012 Suburban 2500GMC1998–2000 C25001998–1999 C2500 Suburban1998–2000 C35001998–2000 K25001998–1999 K2500 Suburban1998–2000 K35001998–1999 P35001998–2018 Savana 2500, Savana 35001999–2004 Sierra 25002001–2013 Sierra 2500 HD2000–2011 Yukon XL 2500Replaces OEM & Aftermarket Part NumbersRatech: 172KRichmond Gear: 83-1065-BWarranty & Quality AssuranceBacked by a 1-Year / 50,000-Mile Warranty, Motive Gear install kits are trusted by professionals for their quality, precision, and long-term reliability. Whether you're doing a gear ratio change or a full rebuild, Motive Gear ensures your differential is done right the first time.

• Complete rear differential install kit for GM 10.5" 14-Bolt axle with 4.10 & numerically lower gear ratios; includes all necessary components for a precise rebuild.
• Kit includes cover gasket or RTV, crush sleeve or preload shim pack, pinion nut and seal, ring gear bolts, shims (pinion/carrier), marking compound, thread locker & brush.
• Designed for GM 10.5" differentials found in Chevy/GMC trucks and vans from 1998 to 2018, including Silverado 2500 HD, Suburban 2500, and Express/Savana 3500 models.
• Direct replacement for Ratech 172K and Richmond Gear 83-1065-B install kits; ensures proper fitment and OE-style durability for long service life.
• Backed by Motive Gear’s 1-Year or 50,000-Mile warranty; trusted for dependable performance and high-quality drivetrain components.