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Motive Gear GM 8.875" 12-Bolt Ring & Pinion Gear Set – 3.73 Ratio, Thick Ring Gear – Fits Chevrolet C10, K10, K20, Blazer, Suburban, GMC C1500, K2500

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Management number 215292529 Release Date 2026/04/12 List Price $75.84 Model Number 215292529
Category

Motive Gear GM 8.875" 12-Bolt Ring & Pinion Gear Set – 3.73 Ratio, Thick Ring GearUpgrade your truck’s differential with the **Motive Gear 3.73 Ring & Pinion Gear Set**, designed for **GM 8.875" (12 Bolt) truck axles**. Whether you're towing, off-roading, or upgrading your drivetrain, this **high-quality gear set** ensures **smooth power transfer and long-term durability**.🔹 Features & Benefits:Heavy-Duty 3.73 Ring & Pinion Gear Set: Designed for **GM 8.875" (12 Bolt) truck axles** with **a thick ring gear**, requiring a **2.76 to 3.42 carrier ratio**.Durable 8620 Steel Construction: Built for **maximum strength, wear resistance, and longevity** in demanding driving conditions.Optimized Power Transfer: Features **30-spline pinion shaft, 12 bolts, 11 pinion gear teeth, and 41 ring gear teeth** for **efficient torque distribution**.Perfect for Towing & Off-Road Applications: Ensures **reliable performance under high-stress conditions**.1-Year / 50,000-Mile Warranty: Backed by **Motive Gear’s industry-leading guarantee**.🔹 Applications & Compatibility:Fits the following vehicles with GM 8.875" (12 Bolt) rear differentials:1969-1974 Chevrolet Blazer1975-1982 Chevrolet C101965-1967 Chevrolet C10 Panel1964-1982 Chevrolet C10 Pickup1967-1982 Chevrolet C10 Suburban1975-1981 Chevrolet C201969-1974 Chevrolet C20 Pickup1973-1981 Chevrolet C20 Suburban1975-1981 Chevrolet K101964-1982 Chevrolet K10 Pickup1967-1982 Chevrolet K10 Suburban1975-1981 Chevrolet K201969-1974 Chevrolet K20 Pickup1973-1981 Chevrolet K20 Suburban1975-1981 Chevrolet K5

  • ✅ Heavy-Duty 3.73 Ring & Pinion Gear Set – Specifically designed for GM 8.875" (12 Bolt) truck axles, featuring a thick ring gear for applications requiring a 2.76 to 3.42 carrier ratio.
  • ✅ Premium 8620 Steel Construction – Made from high-strength 8620 steel, ensuring exceptional durability, wear resistance, and smooth performance for heavy-duty towing, off-roading, and daily driving.
  • ✅ 30-Spline Pinion Shaft with 12 Bolts – Features 1.438" pinion shaft diameter, 11 pinion gear teeth, and 41 ring gear teeth, delivering optimized torque distribution and long-lasting reliability.
  • ✅ Fits Chevrolet & GMC Trucks (1964-1989) – Compatible with Chevrolet C10, K10, K20, Blazer, Suburban, GMC C1500, K2500, and More (See full compatibility list below).
  • ✅ 1-Year / 50,000-Mile Warranty – Backed by Motive Gear’s industry-leading guarantee, ensuring smooth operation and long-term durability for your differential upgrade.
Brand Motive Gear
Model Ring and Pinion
Exterior Machined
Item Weight 15.65 pounds
Manufacturer Motive Gear
OEM Part Number GM12-373X
Item model number GM12-373X
Product Dimensions 15.5 x 11 x 5.25 inches
Manufacturer Part Number GM12-373X
Is Discontinued By Manufacturer No

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