SKU: YG GM7.5-342 | UPC: 883584241454
Yukon Gear High Performance Gear Set For GM 7.5″ 3.42 Ratio 1973-2012
Yukon Gear & Axle high performance ring and pinion set delivers reliable power transfer for GM 7.5-inch 10-bolt differentials in a precise 3.42 gear ratio. This gear set fits a wide range of Chevrolet S10 Astro Camaro Firebird GMC Sonoma Canyon Hummer H3 Buick and Pontiac models from 1973 to 2012. Engineered design cuts friction and heat buildup to handle long races high torque and big tire upgrades.
Key Features
- Advanced Gear Tooth Finish: Special surface treatment lowers friction and heat for sustained performance under heavy loads and extended track time
- High Grade Steel Construction: Both ring gear and pinion made from premium steel alloy heat treated for strength and matched to OEM specifications
- State-of-the-Art Design: Yukon engineers apply cutting-edge processes with two in-house quality labs to meet strict standards
- Wide Ratio Availability: Largest selection of gear ratios supports horsepower increases and larger tires without compromise
- Comprehensive Warranty: One-year warranty against manufacturing defects plus optional Y.E.S. Plan for lifetime no-questions-asked coverage
Product Notes
- Pair with Yukon Gear installation kit for proper setup and longest life
- Follow manufacturer break-in procedure after installation for optimal gear bedding
- Packed in protective box 12 x 12 x 8 inches weighs 21.8 lbs for safe transit
Installation Notes
- Professional installation recommended.
- Requires gear installation kit with bearings shims and crush sleeve sold separately
- Direct fit for GM 7.5-inch 10-bolt carriers 28-spline pinion 1.438-inch input
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1973-1975 | Buick | Apollo | Base |
| 1975 | Buick | Apollo | SR |
| 1977-1979 | Buick | Electra | 225 |
| 1980-1984 | Buick | Electra | Estate Wagon |
| 1977-1984 | Buick | Electra | Limited |
| 1978-1984 | Buick | Electra | Park Avenue |
| 1978-1983 | Buick | Regal | Base |
| 1982-1983 | Buick | Regal | Estate Wagon |
| 1985-2005 | Chevrolet | Astro | Base |
| 1985-1995 | Chevrolet | Astro | CL |
| 1985-1995 | Chevrolet | Astro | CS |
| 1996-2005 | Chevrolet | Astro | LS |
| 1987-2005 | Chevrolet | Astro | LT |
| 1988-2002 | Chevrolet | Camaro | Base |
| 1983-2004 | Chevrolet | S10 | Base |
| 1983-1990 | Chevrolet | S10 | Durango |
| 1994-2004 | Chevrolet | S10 | LS |
| 1983-1989 | Chevrolet | S10 | Sport |
| 1994-1998 | Chevrolet | S10 | SS |
| 1977-2002 | Pontiac | Firebird | Base |
| 1977-1981 | Pontiac | Firebird | Esprit |
| 1977-1981 | Pontiac | Firebird | Formula |
| 1989-2002 | Pontiac | Firebird | Formula |
| 1977-2002 | Pontiac | Firebird | Trans Am |
| 2004-2005 | Chevrolet | Colorado | Base |
| 2004 | Chevrolet | Colorado | LS |
| 2006-2012 | GMC | Canyon | SLE |
| 2006-2012 | GMC | Canyon | SLT |
| 2008-2009 | Hummer | H3 | Base |
Why Choose Yukon Gear?
- Leads industry standards for ring and pinion quality and reliability
- Two dedicated in-house labs ensure every gear meets exact specs
- Precision manufacturing supports high horsepower builds and abuse
Frequently Asked Questions
- Q: Which differentials does this gear set fit?
A: Designed for GM 7.5-inch 10-bolt axles including S10 Blazer Astro van Camaro Firebird rear ends with 28-spline carriers - Q: What materials are used in construction?
A: High-grade 8620 steel alloy for ring gear and pinion with computer-controlled heat treatment and shot peening for durability - Q: What warranty coverage is provided?
A: One-year manufacturer defect warranty standard with Y.E.S. Plan upgrade for lifetime protection as long as you own the vehicle
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Sturdy cardboard box 12 x 12 x 8 inches with internal padding
- Weight: 21.8 lbs
