Yukon Gear YY GM3878972 1310 Pinion Yoke for GM 12-Bolt Car/Truck Axle

Regular price: $164.95
Regular price: ~~$202.00~~
Sale price: $164.95

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In Stock: 2

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Product Specification:

SKU:YUKYY GM3878972

UPC: 883584410850

Weight: 2.0 lb

Inventory: 2

Type: Differential Yokes

Vehicle Fitment

1964-1972 Chevy Bel Air (GM 12-Bolt Rear Axle, RWD)
1964-1972 Chevy Biscayne (GM 12-Bolt Rear Axle, RWD)
1966-1970 Chevy Caprice (GM 12-Bolt Rear Axle, RWD)
1964-1973 Chevy Chevelle / Malibu (GM 12-Bolt Rear Axle, RWD)
1967-1972 Chevy Camaro (GM 12-Bolt Rear Axle, RWD)
1965-1972 Chevy El Camino (GM 12-Bolt Rear Axle, RWD)
1969-1972 Chevy Nova (GM 12-Bolt Rear Axle, RWD)
1964-1972 Chevy Impala (GM 12-Bolt Rear Axle, RWD)
1969-1972 Pontiac Firebird (GM 12-Bolt Rear Axle, RWD)
1970-1972 Pontiac GTO (GM 12-Bolt Rear Axle, RWD)
1963-1987 Chevy C10 / K10 Pickup (GM 12-Bolt Rear Axle, RWD/4WD)
1969-1987 Chevy K5 Blazer (GM 12-Bolt Rear Axle, 4WD)
1963-1987 Chevy Suburban (GM 12-Bolt Rear Axle, RWD/4WD)
1963-1987 GMC C15 / C1500 Pickup (GM 12-Bolt Rear Axle, RWD)
1963-1987 GMC K15 / K1500 Pickup (GM 12-Bolt Rear Axle, 4WD)

Fitment Notes

Designed for GM 8.875-inch (12-bolt) passenger car and truck rear differentials
Requires driveshaft using a 1310 series universal joint
Compatible with 30-spline pinion shafts
U-bolt style yoke design for secure U-joint retention

Features

Direct-fit pinion yoke for GM 12-bolt passenger car and truck axles
30-spline internal configuration for proper pinion shaft engagement
Designed to accept 1310 series universal joints
Heavy-duty steel construction for durability and torque handling
U-bolt style design provides secure driveshaft retention
Precision-machined for accurate fit and smooth drivetrain operation
Ideal replacement for worn, damaged, or upgraded drivetrain components
Suitable for street performance, restoration, and off-road applications

Specifications

Application: GM 12-Bolt (8.875 in.) rear differential
Position: Rear Differential Pinion Yoke
Spline Count: 30 spline
U-Joint Series: 1310
Snap Ring Span: 3.219 in
Bearing Cap Diameter: 1.062 in
Snap Ring Type: Outside snap ring
Yoke Style: U-bolt style
Material: Heat-treated steel

Included Components

1x Differential Pinion Yoke

Product Description

The Yukon Gear & Axle YY GM3878972 pinion yoke is designed for GM 12-bolt passenger car and truck rear differentials. Built with a 30-spline internal configuration and compatible with 1310 series universal joints, this yoke provides a strong and reliable connection between the differential pinion shaft and the driveshaft. Its precision-machined design ensures proper alignment and smooth torque transfer through the drivetrain.

Manufactured from durable steel, this U-bolt style yoke is engineered to handle the stresses of street performance, restoration builds, and heavy-duty use. With a 3.219-inch snap ring span and 1.062-inch bearing cap diameter, it is specifically designed for GM 12-bolt rear axle assemblies used in a wide range of classic Chevrolet, GMC, Buick, and Pontiac vehicles.