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Eaton engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Eaton lineup with fast shipping and expert fitment support — order with confidence.
The Eaton Detroit Truetrac is the gold standard for limited-slip differentials, now available for the legendary GM 10.5-inch 14-bolt rear axle. This helical-gear differential is designed to provide maximum traction without the need for manual engagement or complex maintenance. By continuously biasing torque to the wheel with the most grip, it ensures your truck maintains forward momentum in challenging terrain, wet weather, or heavy-towing scenarios.
Designed for a wide range of vehicles, including the Chevrolet Astro, C20 Suburban, and various G-Series vans, this Truetrac unit is built for durability. It is the perfect upgrade for enthusiasts who demand a reliable, street-friendly differential that can still perform under pressure. Whether you are restoring a classic truck or upgrading a work vehicle, the Truetrac provides the peace of mind that comes with superior traction. Explore the full range of performance drivetrain upgrades available at GGCRACING.
…and 146 additional fitments. Contact us to confirm yours.
| Brand | Eaton |
|---|---|
| Manufacturer part number | 915A545 |
| GGC SKU | EAT915A545 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 10 × 10 × 10 in |
|---|---|
| Shipping weight | 43 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 1985-1995 | Chevrolet | Astro | CL, CS |
| 1985-2005 | Chevrolet | Astro | Base |
| 1987-2005 | Chevrolet | Astro | LT |
| 1996-2005 | Chevrolet | Astro | LS |
| 2002-2004 | Chevrolet | Avalanche 2500 | Base |
| 2005-2006 | Chevrolet | Avalanche 2500 | LS, LT |
| 1973-1974 | Chevrolet | C20 Suburban | Base |
| 1975-1977 | Chevrolet | C20 Suburban | Silverado |
| 1975-1980 | Chevrolet | C20 Suburban | Custom Deluxe, Scottsdale |
| 1979-1980 | Chevrolet | C20 Suburban | Silverado |
| 1981 | Chevrolet | C20 Suburban | Deluxe |
| 1981-1986 | Chevrolet | C20 Suburban | Custom |
| 1982 | Chevrolet | C20 Suburban | Scottsdale |
| 1982-1986 | Chevrolet | C20 Suburban | Silverado |
| 1984-1986 | Chevrolet | C20 Suburban | Scottsdale |
| 1988-1992 | Chevrolet | C3500 | Scottsdale |
| 1988-1998 | Chevrolet | C3500 | Cheyenne, Silverado |
| 1994-1997 | Chevrolet | C3500 | Base |
| 1996-2012 | Chevrolet | Express 1500 | Base, LS |
| 2001-2002 | Chevrolet | Express 1500 | LT |
| 2006-2012 | Chevrolet | Express 1500 | LT |
| 1996-2012 | Chevrolet | Express 2500 | Base, LS |
| 2006-2012 | Chevrolet | Express 2500 | LT |
| 1996-2012 | Chevrolet | Express 3500 | Base, LS |
| 2006-2012 | Chevrolet | Express 3500 | LT |
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