Eaton 1988-1996 Chevrolet C4 Corvette Posi Differential 30 Spline 1.32in Axle Shaft Diameter 2.73 & Up Ratio Front/Rear 8.5in / Rear 8.6in
$949.99
$949.99
Shipping calculated at checkout.
The Eaton Posi limited-slip differential is the perfect way to control traction in street rods, light duty pickups and all types of tarmac running race cars. Featuring pyrolytic carbon clutches, rebuildable design, net-forged gears for added strength and seamless, automatic operation.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1973-1975 | Buick | Apollo | Base |
| 1975 | Buick | Apollo | SR |
| 1988-1996 | Buick | Century | Custom |
| 1988-1989 | Buick | Century | Estate Wagon |
| 1988-1993,1996 | Buick | Century | Limited |
| 1991-1996 | Buick | Century | Special |
| 1991-1996 | Buick | Commercial Chassis | Base |
| 1988-1989 | Buick | Electra | Estate Wagon |
| 1988-1990 | Buick | Electra | Limited |
| 1988-1990 | Buick | Electra | Park Avenue |
| 1989-1990 | Buick | Electra | Park Avenue Ultra |
| 1988-1990 | Buick | Electra | T-Type |
| 1988-1991 | Buick | LeSabre | Base |
| 1988-1996 | Buick | LeSabre | Custom |
| 1988-1990 | Buick | LeSabre | Estate Wagon |
| 1988-1996 | Buick | LeSabre | Limited |
| 1991-1996 | Buick | Park Avenue | Base |
| 1991-1996 | Buick | Park Avenue | Ultra |
| 2004-2007 | Buick | Rainier | CXL |
| 2004-2005 | Buick | Rainier | CXL Plus |
| 1988-1991 | Buick | Reatta | Base |
| 1973-1987 | Buick | Regal | Base |
| 1988-1996 | Buick | Regal | Custom |
| 1982-1983 | Buick | Regal | Estate Wagon |
| 1987 | Buick | Regal | GNX |
| 1989-1996 | Buick | Regal | Gran Sport |
| 1984-1987 | Buick | Regal | Grand National |
| 1978-1996 | Buick | Regal | Limited |
| 1982 | Buick | Regal | Limited Turbo |
| 1996 | Buick | Regal | Olympic Gold Edition |
| 1978-1982 | Buick | Regal | Sport |
| 1976-1977 | Buick | Regal | SR |
| 1983-1986 | Buick | Regal | T-Type |
| 1975-1978,1995-1996 | Buick | Riviera | Base |
| 1975 | Buick | Riviera | GS |
| 1988-1993 | Buick | Riviera | Luxury |
| 1978 | Buick | Riviera | LXXV Anniversary Edition |
| 1976 | Buick | Riviera | Sport |
| 1976 | Buick | Riviera | SR |
| 1988-1989 | Buick | Riviera | T-Type |
| 1992-1995 | Buick | Roadmaster | Base |
| 1996 | Buick | Roadmaster | Collector's Edition |
| 1991-1995 | Buick | Roadmaster | Estate Wagon |
| 1996 | Buick | Roadmaster | Estate Wagon Collector's Edition |
| 1992-1995 | Buick | Roadmaster | Limited |
| 1996 | Buick | Roadmaster | Limited Collector's Edition |
| 1988-1989 | Buick | Skyhawk | Custom |
| 1988-1989 | Buick | Skyhawk | SE |
| 1970,1972 | Buick | Skylark | 350 |
| 1970-1972,1975-1979,1990-1991 | Buick | Skylark | Base |
| 1970-1972,1978-1979,1988-1996 | Buick | Skylark | Custom |
| 1990-1996 | Buick | Skylark | Gran Sport |
| 1988-1989,1993-1996 | Buick | Skylark | Limited |
| 1990-1991 | Buick | Skylark | Luxury Edition |
| 1996 | Buick | Skylark | Olympic Gold Edition |
| 1976-1979 | Buick | Skylark | S |
| 1978 | Buick | Skylark | Sport |
| 1975-1977 | Buick | Skylark | SR |
| 1999-2000,2002-2013 | Cadillac | Escalade | Base |
| 2009-2013 | Cadillac | Escalade | Hybrid |
| 2010-2013 | Cadillac | Escalade | Hybrid Platinum |
| 2011-2013 | Cadillac | Escalade | Luxury |
| 2008-2013 | Cadillac | Escalade | Platinum |
| 2011-2013 | Cadillac | Escalade | Premium |
| 2003-2013 | Cadillac | Escalade ESV | Base |
| 2011-2013 | Cadillac | Escalade ESV | Luxury |
| 2008-2013 | Cadillac | Escalade ESV | Platinum |
| 2011-2013 | Cadillac | Escalade ESV | Premium |
| 2002-2009 | Cadillac | Escalade EXT | Base |
| 2013 | Chevrolet | Avalanche | Black Diamond LS |
| 2013 | Chevrolet | Avalanche | Black Diamond LT |
| 2013 | Chevrolet | Avalanche | Black Diamond LTZ |
| 2007-2012 | Chevrolet | Avalanche | LS |
| 2007-2012 | Chevrolet | Avalanche | LT |
| 2007-2012 | Chevrolet | Avalanche | LTZ |
| 2002-2005 | Chevrolet | Avalanche 1500 | Base |
| 2005-2006 | Chevrolet | Avalanche 1500 | LS |
| 2005-2006 | Chevrolet | Avalanche 1500 | LT |
| 2002-2003 | Chevrolet | Avalanche 1500 | North Face |
| 2002-2003 | Chevrolet | Avalanche 1500 | On Road Edition |
| 2003 | Chevrolet | Avalanche 1500 | WBH |
| 2004-2006 | Chevrolet | Avalanche 1500 | Z66 |
| 2002-2006 | Chevrolet | Avalanche 1500 | Z71 |
| 1988-1996 | Chevrolet | Beretta | Base |
| 1989-1993 | Chevrolet | Beretta | GT |
| 1990-1993 | Chevrolet | Beretta | GTZ |
| 1990 | Chevrolet | Beretta | Indianapolis 500 Pace Car |
| 1994-1996 | Chevrolet | Beretta | Z26 |
| 1995-1999 | Chevrolet | Blazer | Base |
| 1996-2000 | Chevrolet | Blazer | LS |
| 1995-2000 | Chevrolet | Blazer | LT |
| 1999-2000 | Chevrolet | Blazer | Trailblazer |
| 1990-1993 | Chevrolet | C1500 | 454 SS |
| 1994-1997 | Chevrolet | C1500 | Base |
| 1988-1998 | Chevrolet | C1500 | Cheyenne |
| 1988-1992 | Chevrolet | C1500 | Scottsdale |
| 1988-1998 | Chevrolet | C1500 | Silverado |
| 1990-1998 | Chevrolet | C1500 | WT |
| 1996 | Chevrolet | C1500 Suburban | Base |
| 1996 | Chevrolet | C1500 Suburban | LS |
| 1996 | Chevrolet | C1500 Suburban | LT |
| 1988,1993-1996 | Chevrolet | Camaro | Base |
| 1993 | Chevrolet | Camaro | Indianapolis 500 Pace Car |
| 1988-1990 | Chevrolet | Camaro | Iroc-Z |
| 1989-1992,1996 | Chevrolet | Camaro | RS |
| 1992 | Chevrolet | Camaro | RS Heritage Edition |
| 1991-1996 | Chevrolet | Camaro | Z28 |
| 1992 | Chevrolet | Camaro | Z28 Heritage Edition |
| 1988-1992 | Chevrolet | Caprice | Base |
| 1988-1996 | Chevrolet | Caprice | Classic |
| 1988-1990 | Chevrolet | Caprice | Classic Brougham |
| 1993-1994 | Chevrolet | Caprice | Classic LS |
| 1988-1990 | Chevrolet | Caprice | Classic LS Brougham |
| 1991-1993 | Chevrolet | Caprice | Classic LTZ |
| 1988-1990,1995-1996 | Chevrolet | Cavalier | Base |
| 1995-1996 | Chevrolet | Cavalier | LS |
| 1988-1994 | Chevrolet | Cavalier | RS |
| 1988-1994 | Chevrolet | Cavalier | VL |
| 1988-1996 | Chevrolet | Cavalier | Z24 |
| 1988-1990 | Chevrolet | Celebrity | Base |
| 1989 | Chevrolet | Celebrity | CL |
| 1988-1990 | Chevrolet | Celebrity | Eurosport |
| 2004 | Chevrolet | Colorado | Base |
| 2004,2006-2008 | Chevrolet | Colorado | LS |
| 2006-2012 | Chevrolet | Colorado | LT |
| 2004-2005 | Chevrolet | Colorado | Sport |
| 2004-2005 | Chevrolet | Colorado | Sport LS |
| 2006-2012 | Chevrolet | Colorado | WT |
| 2004-2005 | Chevrolet | Colorado | Z71 |
| 2004-2005 | Chevrolet | Colorado | Z71 LS |
| 2004-2005 | Chevrolet | Colorado | Z85 |
| 2004-2005 | Chevrolet | Colorado | Z85 LS |
| 1988-1989,1994-1996 | Chevrolet | Corsica | Base |
| 1988,1990-1993 | Chevrolet | Corsica | LT |
| 1989-1990,1992 | Chevrolet | Corsica | LTZ |
| 1988 | Chevrolet | Corvette | 35th Anniversary Edition |
| 1993 | Chevrolet | Corvette | 40th Anniversary Edition |
| 1988-1996 | Chevrolet | Corvette | Base |
| 1996 | Chevrolet | Corvette | Collector's Edition |
| 1996 | Chevrolet | Corvette | Grand Sport |
| 1995 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 1990-1995 | Chevrolet | Corvette | ZR-1 |
| 1996-2013 | Chevrolet | Express 1500 | Base |
| 1996-2013 | Chevrolet | Express 1500 | LS |
| 2001-2002,2006-2013 | Chevrolet | Express 1500 | LT |
| 1988-1995 | Chevrolet | G10 | Beauville |
| 1988-1995 | Chevrolet | G10 | Chevy Van |
| 1988-1995 | Chevrolet | G10 | Sportvan |
| 1988-1995 | Chevrolet | G20 | Beauville |
| 1988-1995 | Chevrolet | G20 | Chevy Van |
| 1988-1995 | Chevrolet | G20 | Sportvan |
| 1994-1996 | Chevrolet | Impala | SS |
| 1994-1997 | Chevrolet | K1500 | Base |
| 1988-1998 | Chevrolet | K1500 | Cheyenne |
| 1988-1992 | Chevrolet | K1500 | Scottsdale |
| 1988-1998 | Chevrolet | K1500 | Silverado |
| 1991 | Chevrolet | K1500 | Sport |
| 1990-1998 | Chevrolet | K1500 | WT |
| 1996 | Chevrolet | K1500 Suburban | Base |
| 1996 | Chevrolet | K1500 Suburban | LS |
| 1996 | Chevrolet | K1500 Suburban | LT |
| 1988-1991 | Chevrolet | K2500 | Cheyenne |
| 1988-1991 | Chevrolet | K2500 | Scottsdale |
| 1988-1991 | Chevrolet | K2500 | Silverado |
| 1977-1980 | Chevrolet | K5 Blazer | Cheyenne |
| 1981-1986 | Chevrolet | K5 Blazer | Custom |
| 1977-1980 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1984 | Chevrolet | K5 Blazer | Scottsdale |
| 1978,1980-1986 | Chevrolet | K5 Blazer | Silverado |
| 1990-1996 | Chevrolet | Lumina | Base |
| 1990-1994 | Chevrolet | Lumina | Euro |
| 1995-1996 | Chevrolet | Lumina | LS |
| 1991-1994 | Chevrolet | Lumina | Z34 |
| 1988 | Chevrolet | Monte Carlo | Base |
| 1988,1995-1996 | Chevrolet | Monte Carlo | LS |
| 1988 | Chevrolet | Monte Carlo | SS |
| 1995-1996 | Chevrolet | Monte Carlo | Z34 |
| 1988 | Chevrolet | Nova | Base |
| 1988 | Chevrolet | Nova | CL |
| 1988 | Chevrolet | Nova | Twin Cam |
| 1988 | Chevrolet | R10 Suburban | Scottsdale |
| 1988 | Chevrolet | R10 Suburban | Silverado |
| 1989-1991 | Chevrolet | R1500 Suburban | Scottsdale |
| 1989-1991 | Chevrolet | R1500 Suburban | Silverado |
| 1994 | Chevrolet | S10 Blazer | Base |
| 1994 | Chevrolet | S10 Blazer | LT |
| 1994 | Chevrolet | S10 Blazer | Tahoe |
| 1994 | Chevrolet | S10 Blazer | Tahoe LT |
| 1999-2005 | Chevrolet | Silverado 1500 | Base |
| 2016-2019 | Chevrolet | Silverado 1500 | Custom |
| 2019 | Chevrolet | Silverado 1500 | Custom Trail Boss |
| 2014-2019 | Chevrolet | Silverado 1500 | High Country |
| 2004-2006,2009-2013 | Chevrolet | Silverado 1500 | Hybrid |
| 1999-2013,2015-2018 | Chevrolet | Silverado 1500 | LS |
| 1999-2019 | Chevrolet | Silverado 1500 | LT |
| 2019 | Chevrolet | Silverado 1500 | LT Trail Boss |
| 2007-2019 | Chevrolet | Silverado 1500 | LTZ |
| 2019 | Chevrolet | Silverado 1500 | RST |
| 2003-2006 | Chevrolet | Silverado 1500 | SS |
Customer Care
Frequently Asked Questions
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A: Yes, your personal information is kept private and it is safe to use your credit card.
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A: Once your order ships, you will receive a tracking notification via email. You are not required to purchase, download or use the Route app to track your order - this is an optional feature of the Route Package Protection service.
Q: Can someone outside of the United States place an order?
A: Yes, we are happy to provide worldwide service for our customers. Your shipping charges will be calculated during the checkout process. Customs and duty fees are the responsibility of the buyer.
Blog posts
Read moreSeventy-plus years, eight generations, one nameplate. A full walk through every Corvette generation — what Chevrolet changed at each break, which engines went in, which special models matter, and what each car is like to live with now. Includes the modern C8 range from the 670-hp Z06 through the 1,250-hp ZR1X, the all-new 6.7L LS6 that arrived for 2027, a field guide to telling the generations apart, and the six best-selling pieces for each one.
Read moreGM engineers explain the 2027 Corvette's LS6, LT6 and LT7 V8s in Chevrolet's own newsroom — and why reports say the LS6 could carry into the C9. Click to read the full story!
Read moreChevrolet switched on the Build & Price configurator for the 2027 Corvette Grand Sport X on August 25, which makes the entire 2027 lineup configurable at last. The 1LT coupe starts at $112,195 with carbon-ceramic brakes, Magnetic Ride Control and 721 combined horsepower standard. Inside: what you can spec, the one $500 performance package, two options showing that the order guide says can't be ordered yet, every confirmed spec on the car, and a side-by-side of all six 2027 Corvettes.
