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Take control of your vehicle's traction with the Eaton Posi limited-slip differential. Renowned for its seamless, automatic operation and robust construction, the Posi differential is the ideal upgrade for street rods, light-duty pickups, and tarmac racing cars seeking superior grip and performance. Its advanced design ensures power is delivered effectively to both wheels, even in challenging conditions.
This Eaton Posi differential (SKU: 19559-010) is engineered to enhance the performance and drivability of a wide range of vehicles, from classic muscle cars to modern trucks. Whether you're looking to improve launch stability, cornering grip, or overall confidence on the road, the Eaton Posi delivers reliable and effective traction enhancement.
Discover top-tier differential solutions at GGCRACING.
…and 285 additional fitments. Contact us to confirm yours.
| Brand | Eaton |
|---|---|
| Manufacturer part number | 19559-010 |
| GGC SKU | EAT19559-010 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 9.1 × 8 × 8 in |
|---|---|
| Shipping weight | 21.9 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 1973-1975 | Buick | Apollo | Base |
| 1975 | Buick | Apollo | SR |
| 1988-1989 | Buick | Century | Estate Wagon |
| 1988-1993 | Buick | Century | Limited |
| 1988-1996 | Buick | Century | Custom |
| 1991-1996 | Buick | Century | Special |
| 1996 | Buick | Century | Limited |
| 1991-1996 | Buick | Commercial Chassis | Base |
| 1988-1989 | Buick | Electra | Estate Wagon |
| 1988-1990 | Buick | Electra | Limited, Park Avenue, T-Type |
| 1989-1990 | Buick | Electra | Park Avenue Ultra |
| 1988-1990 | Buick | LeSabre | Estate Wagon |
| 1988-1991 | Buick | LeSabre | Base |
| 1988-1996 | Buick | LeSabre | Custom, Limited |
| 1991-1996 | Buick | Park Avenue | Base, Ultra |
| 2004-2005 | Buick | Rainier | CXL Plus |
| 2004-2007 | Buick | Rainier | CXL |
| 1988-1991 | Buick | Reatta | Base |
| 1973-1987 | Buick | Regal | Base |
| 1976-1977 | Buick | Regal | SR |
| 1978-1982 | Buick | Regal | Sport |
| 1978-1996 | Buick | Regal | Limited |
| 1982 | Buick | Regal | Limited Turbo |
| 1982-1983 | Buick | Regal | Estate Wagon |
| 1983-1986 | Buick | Regal | T-Type |
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