Yukon GM 14-Bolt Ring & Pinion Gear Set - 10.5", 30-Spline, Thick
YUKYG GM14T-456T
Upgrade your GM 14-bolt axle with a 10.5" thick Yukon Ring and Pinion Gear Set designed specifically for 4.11 and down carrier applications. This gear set allows you to run deeper gear ratios without changing carriers, making it a smart solution for builds running larger tires or needing improved torque multiplication. Precision machined and built from high-grade steel, it delivers consistent gear mesh, reduced friction, and reliable performance in demanding conditions.
Designed for GM full-size truck axles, this thick gear set is ideal for off-road rigs, tow vehicles, and heavy-duty applications. Whether you're re-gearing for performance or restoring a worn differential, this setup provides the strength and durability needed to handle increased load and torque while maintaining smooth operation.
Includes:
- (1) Thick Ring Gear
- (1) Pinion Gear
Specifications
- Fits GM 10.5" 14-Bolt Axle
- Thick gear set for 4.11 and numerically lower carriers
- Ring Gear Diameter: 10.5"
- Pinion Spline Count: 30 spline
- Ring Gear Bolts: 12
- Differential Cover Bolts: 14
- Available in multiple gear ratios
- High-grade steel construction
- Precision machined for consistent gear mesh
- Optimized tooth finish for reduced friction and heat
Fitment
| Make | Model | Year Range |
|---|---|---|
| Chevrolet | Avalanche 2500 | 2002–2006 |
| Chevrolet | C20 Pickup & Suburban | 1973–1986 |
| Chevrolet | C2500 | 1988–2000 |
| Chevrolet | C2500 Suburban | 1992–1999 |
| Chevrolet | C30 Pickup | 1973–1986 |
| Chevrolet | C3500 | 1988–2000 |
| Chevrolet | C3500HD | 1991–2002 |
| Chevrolet | Express 2500 | 1996–2015 |
| Chevrolet | Express 3500 | 1996–2015 |
| Chevrolet | Express 4500 | 2009–2015 |
| Chevrolet | G20 | 1975–1995 |
| Chevrolet | G30 | 1979–1996 |
| Chevrolet | K20 Pickup & Suburban | 1973–1986 |
| Chevrolet | K2500 | 1988–2000 |
| Chevrolet | K2500 Suburban | 1992–1999 |
| Chevrolet | K30 Pickup | 1972–1986 |
| Chevrolet | K3500 | 1988–2000 |
| Chevrolet | P30 | 1997–1999 |
| Chevrolet | R20/R2500 Suburban | 1987–1991 |
| Chevrolet | R30 | 1987–1988 |
| Chevrolet | Silverado 2500 | 1999–2004 |
| Chevrolet | Silverado 2500 HD | 2001–2015 |
| Chevrolet | Silverado 2500 HD Classic | 2007 |
| Chevrolet | Silverado 3500 HD | 2007–2013 |
| Chevrolet | Suburban 2500 | 2000–2013 |
| Chevrolet | V20/V2500 Suburban | 1987–1991 |
| Chevrolet | V30 | 1987–1988 |
| GMC | C25/C2500 Pickup & Suburban | 1973–1978 |
| GMC | C2500 | 1979–2000 |
| GMC | C2500 Suburban | 1979–1999 |
| GMC | C35/C3500 Pickup | 1973–1978 |
| GMC | C3500 | 1979–2000 |
| GMC | C3500HD | 2001–2002 |
| GMC | G1500 | 1981–1987 |
| GMC | G3500 | 1979–1996 |
| GMC | K25/K2500 Pickup & Suburban | 1967–1986 |
| GMC | K2500 | 1979–2000 |
| GMC | K2500 Suburban | 1979–1999 |
| GMC | K35 | 1977–1978 |
| GMC | K3500 | 1979–2000 |
| GMC | P3500 | 1997–1999 |
| GMC | R2500/R2500 Suburban | 1987–1991 |
| GMC | R3500 | 1987 |
| GMC | Savana 2500 | 1996–2015 |
| GMC | Savana 3500 | 1996–2015 |
| GMC | Savana 4500 | 2009–2015 |
| GMC | Sierra 2500 | 1999–2004 |
| GMC | Sierra 2500 HD | 2001–2015 |
| GMC | Sierra 2500 HD Classic | 2007 |
| GMC | V2500/V2500 Suburban | 1987–1991 |
| GMC | V3500 | 1987 |
| GMC | Yukon XL | 2015 |
| GMC | Yukon XL 2500 | 2000–2013 |
Tech Insight
Thick gear sets are designed to eliminate the need for a carrier change when switching to deeper gear ratios. By increasing ring gear thickness, they maintain proper gear alignment on carriers originally intended for numerically lower ratios.
As with all differential gears, proper setup is critical. Pinion depth, backlash, and bearing preload must be set correctly to ensure quiet operation, proper wear patterns, and long service life.
