Motive Gear D70-513, Differential Ring & Pinion, For Dana 70/70HD/70U, Gear Ratio 5.13, 12-Bolt, 29 Spline, 8 Pinion & 41 Ring Tooth – Fits GM, Dodge & Ford, Replaces 706061-5X, D70-513-NG, YG D70-513

Motive Gear D70-513, Differential Ring & Pinion, For Dana 70/70HD/70U Axles, Gear Ratio: 5.13, 12-Bolt, 29 Spline, 8 Pinion & 41 Ring Tooth – Fits Dodge, Ford, Chevy & GMC Trucks & Vans (1960–2010) – Built for heavy-duty towing and hauling, this gear set is engineered to deliver rugged durability, precise fitment, and high torque transfer in commercial and utility applications.⚙ Features & Benefits:Heavy-Duty Gear Ratio: 5.13 ratio ideal for max torque in towing, off-road, or commercial use – fits carrier breaks 4.56 and up.Rugged 8620 Steel Construction: Heat-treated for superior strength, wear resistance, and quiet operation under heavy loads.Precision Engineering: 12-bolt ring gear, 29 spline pinion, 1.75" shaft diameter – compatible with Dana 70, 70U, and 70HD rear axles.Complete Gear Set: Includes 8-tooth pinion and 41-tooth ring gear – standard rotation design for rear axle applications.Manufacturer Warranty: Backed by a 1-Year / 50,000-Mile warranty from Motive Gear.🔄 Applications & Compatibility:🔹 Chevrolet:C30: 1975–1986C30 Pickup: 1974C3500: 1989–1998Express 3500: 1996–2010G30: 1984–1990K30: 1977–1986K3500: 1988–1989P30: 1997–1999R3500: 1989–1991🔹 Dodge:B250: 1994B2500: 1995–1998B300: 1975–1980B300 Van: 1971–1974B350: 1981–1994B3500: 1995–1998D250: 1981–1993D300: 1975–1980D300 Pickup: 1968–1974D300 Series: 1960–1967D350: 1981–1993Ram 2500: 1994–2002Ram 2500 Van: 1999–2003Ram 3500: 1994–2002Ram 3500 Van: 1999–2003W200: 1975W200 Pickup: 1968–1974W200 Series: 1967W250: 1981–1993W300: 1975–1978W300 Pickup: 1968–1974W300 Series: 1960–1967W350: 1981–1993🔹 Ford:E-350 Club Wagon: 2003–2005E-350 Econoline: 1975–2000E-350 Econoline Club Wagon: 1977–2002E-350 Super Duty: 2003–2010E-450 Econoline Super Duty: 2000–2002E-450 Super Duty: 2003–2010F-350: 1970–1997F-350 Super Duty: 1999–2002🔹 GMC:C35: 1975–1978C35/C3500 Pickup: 1974C3500: 1979–1986, 1988–1998G35: 1975–1978G35/G3500 Van: 1973–1974G3500: 1979–1991K35: 1977–1978K3500: 1979–1986, 1988–2000Savana 3500: 1996–2010🔄 Replaces:Yukon Gear & Axle: 24319, YG D70-513Spicer: 25966X, 706048-5X, 706061-5X, 706999-9X, 72150-5XNitro Gear & Axle: D70-513-NGEXCEL from Richmond: D70513🛡 Warranty & Why Choose Motive Gear?🛡 Warranty: 1 Year / 50,000 Miles – Manufacturer-backed coverage for long-lasting confidence.⚙ OE Precision: Engineered for perfect fitment, consistent performance, and quiet gear operation.🔧 Built for Tough Jobs: Trusted in fleet, towing, off-road, and high-load use for decades.

• Extreme Torque 5.13 Ratio Gear Set: Designed for heavy-duty towing, off-road traction, and performance driving. Perfect for trucks and vans needing lower gearing to handle large tires or high-load conditions.
• Heavy-Duty Dana 70/70HD Fitment: Compatible with Dana 70, Dana 70HD, and Dana 70U axles. Requires a carrier for 4.56 and numerically higher gear ratios. For use in rear differential positions with standard gear rotation.
• Engineered for Strength & Durability: Precision-forged from 8620 steel for unmatched toughness. The 10.5" ring gear and 1.75" pinion shaft ensure long life under the toughest torque loads and aggressive use.
• OE-Matching Specs for Direct Fit: Includes 12-bolt ring gear, 29-spline pinion, 8 pinion teeth, and 41 ring gear teeth. Machined to meet or exceed OEM standards for quiet operation and optimal gear mesh.
• Wide Compatibility & Trusted Warranty: Fits select GM, Dodge, and Ford trucks and vans (1960–2010). Backed by a 1-year or 50,000-mile manufacturer warranty. Replaces OE part numbers from Spicer, Yukon, Nitro, and more.