EXCEL D70373, Differential Ring & Pinion, For Dana 70U - Rear, Gear Ratio: 3.73, 12-Bolt, 29 Spline, 11 Pinion & 41 Ring Tooth - Fits Chevrolet, Dodge, Ford, GMC Replaces: Spicer 706999-2X, D70-373.

EXCEL D70373 - Dana 70U Ring & Pinion Gear Set (3.73 Ratio) Upgrade your rear differential with this heavy-duty ring & pinion set, designed for **Dana 70, 70U, and 70HD differentials** in Chevrolet, Dodge, Ford, and GMC trucks & vans (1960-2010).Features:Fits Dana 70U, 70HD, and 70 Rear Differential – Engineered for heavy-duty applications in a wide range of trucks & vans.Optimized 3.73 Gear Ratio – Ensures efficient power transfer, ideal for towing, hauling, and heavy-duty use.Premium 8620 Steel for Durability – Heat-treated for maximum strength & longevity.Standard Rotation with 10.5” Ring Gear – 12-bolt ring gear, 29-spline pinion, **11 pinion teeth & 41 ring teeth**.1-Year or 50,000-Mile Warranty – Direct-fit replacement for **Spicer 706999-2X, USA Standard Gear 36088, Motive Gear D70-373**.Application & Compatibility:Compatible with the following vehicle models:Chevrolet:1975-1986 C30, 1989-1998 C3500, 1996-2010 Express 35001977-1986 K30, 1988-1989 K3500, 1979-1990 P301987-1988 R30, 1989-1991 R3500, 1987-1988 V30Dodge:1981-1993 D250, 1981-1993 D350, 1994-2002 Ram 2500 & 35001975-1980 B300, 1981-1994 B350, 1995-1998 B35001968-1974 D300 Pickup, 1960-1967 D300 Series1981-1993 W250, 1981-1993 W350Ford:2003-2005 E-350 Club Wagon, 1975-2000 E-350 Econoline1979-1987 F-350, 1999-2002 F-350 Super DutyGMC:1975-1978 C35, 1979-1986 C3500, 1988-2000 K35001973-1974 G35 Van, 1979-1991 G3500, 1996-2010 Savana 3500Replaces:USA Standard Gear: 36088Spicer: 706999-2X, 72159-5XMotive Gear: D70-373USA Standard Gear: ZG D70-373Brand Warranty & Why Choose EXCEL from Richmond?EXCEL from Richmond provides premium drivetrain components designed for durability and performance. This product comes with a **1-year or 50,000-mile warranty**, ensuring reliability for heavy-duty applications.

• Fits Dana 70U, 70HD, & 70 Differentials – Precision-engineered for heavy-duty rear axle applications in Chevrolet, Dodge, Ford, GMC (1960-2010).
• 3.73 Gear Ratio for Optimal Performance – Designed for towing & heavy loads, ensuring enhanced durability & efficiency.
• High-Strength 8620 Steel Construction – Heat-treated for superior wear resistance; 12-bolt ring gear with 29-spline pinion.
• 10.5” Ring Gear & Standard Rotation – Features 11 pinion teeth & 41 ring teeth, with a 5/8” pinion offset for precise gear engagement.
• 1-Year or 50,000-Mile Warranty – Direct replacement for Spicer 706999-2X, USA Standard Gear 36088, Motive Gear D70-373, & more