Yukon Dura Grip Limited Slip Differential For GM 12-Bolt Truck (3.73 & Up Ratio) - YDGGM12T-4-30-1
Equip your classic GM truck or SUV with enhanced traction and dependable power delivery using the Yukon Dura Grip Limited Slip Differential (YDGGM12T-4-30-1). Engineered specifically for GM 12-bolt truck differentials paired with 30-spline axle shafts and 3.73 and numerically higher gear ratios, this positraction unit provides smooth yet aggressive lock-up for street, strip, and off-road applications.
Built for extreme durability, the Dura Grip features a high-strength nodular iron case, forged 4320 chromoly spider gears, and long-wearing composite clutches. Completely rebuildable and backed by extensive engineering, it is the ultimate upgrade for your vehicle's rear axle.
Features
- Positraction limited slip differential (LSD) with smooth, predictable torque bias
- Heavy-duty nodular iron case and composite clutches for long life
- Forged 4320 chromoly spider gears for superior strength and impact resistance
- Designed for 3.73 and numerically higher gear ratios
- Fully rebuildable design
Specifications
- SKU / Part Number: YDGGM12T-4-30-1
- Manufacturer: Yukon Gear and Axle
- UPC Code: 883584260356
- Proxy Number: 26035
- Differential Application: GM 12-Bolt Truck (12T) Rear
- Axle Spline Count: 30 Spline
- Compatible Gear Ratios: 3.73 and Up
- Shipping Dimensions: 11.00 in. (Width) x 11.00 in. (Length) x 11.00 in. (Depth)
- Shipping Weight: 23.70 lbs
- Technical Note: Yukon recommends non-synthetic GL-5 gear oil and Yukon LSD additive (Part # OILADD) for optimal clutch longevity and quiet operation.
What's in the Box
- One (1) Yukon Dura Grip Limited Slip Differential Carrier (3.73 & Up Ratio)
Fitment
Chevrolet Blazer / K5 Blazer:
- 1969–1974 Chevrolet Blazer (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1987 Chevrolet Blazer 4WD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1975–1986 Chevrolet K5 Blazer 4WD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
Chevrolet C10 / C10 Pickup / Suburbans:
- 1975–1986 Chevrolet C10 RWD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1963–1974 Chevrolet C10 Pickup (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1967–1974 Chevrolet K10 Suburban (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1975–1986 Chevrolet K10 Suburban 4WD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1963–1966 Chevrolet Suburban (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
Chevrolet K10 / Pickup:
- 1975–1986 Chevrolet K10 4WD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1963–1974 Chevrolet K10 Pickup (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1987 Chevrolet R10 RWD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1987 Chevrolet V10 4WD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1987–1988 Chevrolet V10 Suburban 4WD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
Chevrolet Vans (G10 / G10 Van):
- 1975–1981 Chevrolet G10 RWD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1967–1974 Chevrolet G10 Van (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
GMC C15 / C1500 / Suburbans:
- 1975–1978 GMC C15 RWD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1975–1978 GMC C15 Suburban RWD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1967–1974 GMC C15/C1500 Pickup (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1967–1974 GMC C15/C1500 Suburban (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1979–1986 GMC C1500 RWD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1979–1986 GMC C1500 Suburban RWD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
GMC K15 / K1500 / Suburbans:
- 1975–1978 GMC K15 4WD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1975–1978 GMC K15 Suburban 4WD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1966–1974 GMC K15/K1500 Pickup (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1967–1974 GMC K15/K1500 Suburban (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1979–1986 GMC K1500 4WD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1979–1985 GMC K1500 Suburban 4WD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1987 GMC R1500 RWD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1987 GMC R1500 Suburban RWD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1963–1966 GMC Suburban (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1987 GMC V1500 4WD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1987 GMC V1500 Suburban 4WD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
GMC Vans (G15 / G25 / G1500 / G2500):
- 1975–1978 GMC G15 RWD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1967–1974 GMC G15/G1500 Van (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1964–1966 GMC G1500 (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1979–1987 GMC G1500 RWD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1975–1978 GMC G25 RWD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1967–1974 GMC G25/G2500 Van (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
- 1979–1981 GMC G2500 RWD (GM 12 Bolt Truck w/ 3.73 & Up Ratio)
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