Eaton Detroit Truetrac Diff 28 Spline 1.20in Axle Shaft Diameter 3.23 & Up Ratio Rear 7.5in/7.625in 912A317
EAT Detroit Truetrac Diffs
The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand. It remains the leading helical gear-type limited slip differential in the industry. Detroit Truetrac's proven helical gear design eliminates the need for wearable parts, resulting in maintenance free traction recognized not only for its toughness, but its smooth and quiet operation as well.Proven design, low cost and effective performance all make the Detroit Truetrac limited slip differential the ideal choice for a wide variety of vehicle applications. No maintenance - Just Traction.
Detroit Truetrac® Differential; 28 Spline; 1.20 in. Axle Shaft Diameter; 3.23 And Up Ring Gear Pinion Ratio; Rear 7.5 in./7.625 in.;
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988 - 1996 | Buick | Century | Base |
| 1988 - 1989 | Buick | Century | Estate Wagon |
| 1988 - 2002 | Buick | Century | Limited, Custom |
| 1991 - 1996 | Buick | Century | Special |
| 1991 - 1996 | Buick | Commercial Chassis | Base |
| 1988 - 1989 | Buick | Electra | Estate Wagon |
| 1989 - 1990 | Buick | Electra | Park Avenue Ultra |
| 1988 - 1990 | Buick | Electra | T-Type, Park Avenue, Limited |
| 1988 - 1991 | Buick | LeSabre | Base |
| 1988 - 2002 | Buick | LeSabre | Custom, Limited |
| 1988 - 1990 | Buick | LeSabre | Estate Wagon |
| 1991 - 2002 | Buick | Park Avenue | Base, Ultra |
| 1988 - 1991 | Buick | Reatta | Base |
| 1998 | Buick | Regal | 25th Anniversary Edition |
| 1994 | Buick | Regal | Base |
| 1988 - 1996 | Buick | Regal | Custom, Limited |
| 1989 - 1996 | Buick | Regal | Gran Sport |
| 2000 | Buick | Regal | GSE, LSE |
| 1997 - 2002 | Buick | Regal | LS, GS |
| 1996 | Buick | Regal | Olympic Gold Edition |
| 1995 - 1999 | Buick | Riviera | Base |
| 1988 - 1993 | Buick | Riviera | Luxury |
| 1988 - 1989 | Buick | Riviera | T-Type |
| 1991 - 1995 | Buick | Roadmaster | Estate Wagon |
| 1996 | Buick | Roadmaster | Limited Collector's Edition, Estate Wagon Collector's Edition, Collector's Edition |
| 1992 - 1995 | Buick | Roadmaster | Limited, Base |
| 1988 - 1989 | Buick | Skyhawk | Custom, SE |
| 1988 - 1998 | Buick | Skylark | Custom |
| 1990 - 1997 | Buick | Skylark | Gran Sport |
| 1988 - 1997 | Buick | Skylark | Limited |
| 1990 - 1991 | Buick | Skylark | Luxury Edition, Base |
| 1996 | Buick | Skylark | Olympic Gold Edition |
| 1988 - 1995 | Chevrolet | Astro | CL, CS |
| 1996 - 2005 | Chevrolet | Astro | LS |
| 1988 - 2005 | Chevrolet | Astro | LT, Base |
| 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 |
| 1988 - 2002 | Chevrolet | Camaro | Base |
| 1993 | Chevrolet | Camaro | Indianapolis 500 Pace Car |
| 1988 - 1990 | Chevrolet | Camaro | Iroc-Z |
| 1996 - 1998 | Chevrolet | Camaro | Lujo |
| 1989 - 1997 | Chevrolet | Camaro | RS |
| 1991 - 2002 | Chevrolet | Camaro | Z28 |
| 1992 | Chevrolet | Camaro | Z28 Heritage Edition, RS Heritage Edition |
| 1998 - 2002 | Chevrolet | Camaro | Z28 SS |
| 1988 - 1992 | Chevrolet | Caprice | Base |
| 1988 - 1996 | Chevrolet | Caprice | Classic |
| 1993 - 1994 | Chevrolet | Caprice | Classic LS |
| 1988 - 1990 | Chevrolet | Caprice | Classic LS Brougham, Classic Brougham |
| 1991 - 1993 | Chevrolet | Caprice | Classic LTZ |
| 1995 - 2002 | Chevrolet | Cavalier | LS |
| 2002 | Chevrolet | Cavalier | LS Sport |
| 1988 - 1999 | Chevrolet | Cavalier | RS |
| 1988 - 1994 | Chevrolet | Cavalier | VL |
| 1988 - 2002 | Chevrolet | Cavalier | Z24, Base |
| 1989 | Chevrolet | Celebrity | CL |
| 1988 - 1990 | Chevrolet | Celebrity | Eurosport, Base |
| 1988 - 1996 | Chevrolet | Corsica | Base |
| 1988 - 1993 | Chevrolet | Corsica | LT |
| 1989 - 1992 | Chevrolet | Corsica | LTZ |
| 1988 | Chevrolet | Corvette | 35th Anniversary Edition |
| 1993 | Chevrolet | Corvette | 40th Anniversary Edition |
| 1988 - 2002 | Chevrolet | Corvette | Base |
| 1996 | Chevrolet | Corvette | Grand Sport, Collector's Edition |
| 1995 - 1998 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 2001 - 2002 | Chevrolet | Corvette | Z06 |
| 1990 - 1995 | Chevrolet | Corvette | ZR-1 |
| 2000 - 2002 | Chevrolet | Impala | LS, Base |
| 1994 - 1996 | Chevrolet | Impala | SS |
| 1990 - 2001 | Chevrolet | Lumina | Base |
| 1990 - 1994 | Chevrolet | Lumina | Euro |
| 1995 - 1999 | Chevrolet | Lumina | LS |
| 1997 - 1999 | Chevrolet | Lumina | LTZ |
| 1991 - 1994 | Chevrolet | Lumina | Z34 |
| 1997 - 2002 | Chevrolet | Malibu | Base, LS |
| 1997 | Chevrolet | Malibu | LX |
| 1998 - 2000 | Chevrolet | Metro | Base |
| 1998 - 2001 | Chevrolet | Metro | LSi |
| 1988 | Chevrolet | Monte Carlo | Base |
| 1999 | Chevrolet | Monte Carlo | Indianapolis 500 Pace Car |
| 1988 - 2002 | Chevrolet | Monte Carlo | LS, SS |
| 2002 | Chevrolet | Monte Carlo | SS Dale Earnhardt Signature Edition, SS 35th Anniversary Edition |
| 1995 - 1999 | Chevrolet | Monte Carlo | Z34 |
| 1988 | Chevrolet | Nova | Twin Cam, CL, Base |
| 1998 - 2002 | Chevrolet | Prizm | Base, LSi |
| 1991 | Chevrolet | S10 | Baja |
| 1988 - 2003 | Chevrolet | S10 | Base |
| 1988 - 1990 | Chevrolet | S10 | Durango |
| 1992 - 1993 | Chevrolet | S10 | EL |
| 1994 - 2004 | Chevrolet | S10 | LS |
| 1991 - 1993 | Chevrolet | S10 | Maxi |
| 1988 - 1989 | Chevrolet | S10 | Sport |
| 1994 - 1998 | Chevrolet | S10 | SS |
| 1988 - 1992 | Chevrolet | S10 | Tahoe |
| 1999 - 2003 | Chevrolet | S10 | Xtreme |
| 1994 - 2003 | Chevrolet | S10 | ZR2 |
| 2002 - 2004 | Chevrolet | S10 | ZR5 |
| 1988 - 1989 | Chevrolet | S10 Blazer | High Country |
| 1994 | Chevrolet | S10 Blazer | LT |
| 1988 - 1992 | Chevrolet | S10 Blazer | Sport |
| 1991 - 1994 | Chevrolet | S10 Blazer | Tahoe LT |
| 1988 - 1994 | Chevrolet | S10 Blazer | Tahoe, Base |
| 1999 - 2002 | Chevrolet | Silverado 1500 | Base, LS, LT |
| 2002 | Chevrolet | Silverado 1500 | Custom, WT |
| 2001 - 2002 | Chevrolet | Silverado 1500 HD | LT, LS |
| 1988 | Chevrolet | Spectrum | Base, CL, Turbo, Express, CL Plus |
| 1988 | Chevrolet | Sprint | Metro, Turbo, ER, Base |
| 1988 - 1990 | GMC | S15 | Base, Sierra Classic, High Sierra |
| 1988 | GMC | S15 | Gypsy |
| 1988 - 1991 | GMC | S15 Jimmy | Base |
| 1988 - 1990 | GMC | S15 Jimmy | Sierra Classic, Gypsy |
| 1991 | GMC | S15 Jimmy | SLS, SLT, SLE |
| 1988 - 1989 | GMC | S15 Jimmy | Timberline |
| 1988 - 1997 | GMC | Safari | Base |
| 1993 | GMC | Safari | GT |
| 1995 - 1999 | GMC | Safari | SL |
| 1988 - 1999 | GMC | Safari | SLE, SLT |
| 1988 - 1998 | GMC | Safari | SLX |
| 2001 | GMC | Sierra 1500 | C3 |
| 2002 | GMC | Sierra 1500 | HT, Base, WT, Denali |
| 1999 - 2002 | GMC | Sierra 1500 | SL, SLE, SLT |
| 2001 - 2002 | GMC | Sierra 1500 HD | SLE, SLT |
| 1991 - 1993 | GMC | Sonoma | Base |
| 1992 | GMC | Sonoma | GT |
| 1994 - 2004 | GMC | Sonoma | SL |
| 1991 - 2001 | GMC | Sonoma | SLE |
| 1993 - 2004 | GMC | Sonoma | SLS |
| 1991 | GMC | Syclone | Base |
| 1988 - 1992 | Isuzu | Pickup | 1 Ton, LS |
| 1988 - 1995 | Isuzu | Pickup | S |
| 1989 - 1990 | Isuzu | Pickup | XS |
| 1991 - 2002 | Isuzu | Rodeo | LS, S |
| 1999 - 2002 | Isuzu | Rodeo | LSE |
| 2001 - 2002 | Isuzu | Rodeo | S V6 |
| 1991 - 1992 | Isuzu | Rodeo | XS |
| 1999 | Oldsmobile | 88 | 50th Anniversary Edition |
| 1992 - 1999 | Oldsmobile | 88 | Royale LS, Royale |
| 1995 | Oldsmobile | 88 | Royale LSS |
| 1988 - 1994 | Oldsmobile | 98 | Regency |
| 1988 - 1990 | Oldsmobile | 98 | Regency Brougham, Regency Touring |
| 1991 - 1996 | Oldsmobile | 98 | Regency Elite |
| 1991 - 1993 | Oldsmobile | 98 | Touring |
| 1992 - 1998 | Oldsmobile | Achieva | S |
| 1992 - 1993 | Oldsmobile | Achieva | SCX |
| 1992 - 1997 | Oldsmobile | Achieva | SL, SC |
| 1999 - 2002 | Oldsmobile | Alero | GL, GLS, GX |
| 1995 - 2002 | Oldsmobile | Aurora | Base |
| 1991 - 2004 | Oldsmobile | Bravada | Base |
| 1988 - 1992 | Oldsmobile | Custom Cruiser | Base |
| 1997 - 1998 | Oldsmobile | Cutlass | Base |
| 1999 | Oldsmobile | Cutlass | GL |
| 1997 - 1999 | Oldsmobile | Cutlass | GLS |
| 1988 - 1991 | Oldsmobile | Cutlass Calais | GT, International, SL, Base |
| 1989 - 1991 | Oldsmobile | Cutlass Calais | S |
| 1988 - 1996 | Oldsmobile | Cutlass Ciera | Base |
| 1988 | Oldsmobile | Cutlass Ciera | Brougham, LS |
| 1989 - 1990 | Oldsmobile | Cutlass Ciera | GT |
| 1988 - 1990 | Oldsmobile | Cutlass Ciera | International |
| 1988 - 1994 | Oldsmobile | Cutlass Ciera | S, SL |
| 1989 - 1994 | Oldsmobile | Cutlass Cruiser | Base |
| 1988 | Oldsmobile | Cutlass Cruiser | Brougham LS, LS |
| 1991 - 1994 | Oldsmobile | Cutlass Cruiser | S |
| 1988 - 1992 | Oldsmobile | Cutlass Cruiser | SL |
| 1994 | Oldsmobile | Cutlass Cruiser | Special Edition |
| 1988 | Oldsmobile | Cutlass Supreme | Classic Brougham, Classic, Indy 500 Pace Car |
| 1988 - 1993 | Oldsmobile | Cutlass Supreme | International |
| 1992 - 1994 | Oldsmobile | Cutlass Supreme | S |
| 1988 - 1997 | Oldsmobile | Cutlass Supreme | SL, Base |
| 1988 - 1991 | Oldsmobile | Delta 88 | Royale Brougham, Royale |
| 1988 | Oldsmobile | Firenza | Base, Cruiser |
| 1998 | Oldsmobile | Intrigue | Base |
| 1998 - 2002 | Oldsmobile | Intrigue | GL, GLS |
| 1999 - 2002 | Oldsmobile | Intrigue | GX |
| 1996 - 1999 | Oldsmobile | LSS | Base |
| 1997 - 1998 | Oldsmobile | Regency | Base |
| 1988 - 1992 | Oldsmobile | Toronado | Base, Trofeo |
| 1988 - 1989 | Pontiac | 6000 | Base, STE |
| 1988 - 1991 | Pontiac | 6000 | LE |
| 1988 | Pontiac | 6000 | SE |
| 1989 - 1991 | Pontiac | 6000 | Special Edition |
| 1989 | Pontiac | 6000 | Touring |
| 1988 - 1991 | Pontiac | Bonneville | LE |
| 1988 - 2002 | Pontiac | Bonneville | SE |
| 2000 - 2002 | Pontiac | Bonneville | SLE |
| 1988 - 1999 | Pontiac | Bonneville | SSE |
| 1992 - 2002 | Pontiac | Bonneville | SSEi |
| 1988 | Pontiac | Fiero | Sport, Value Leader, GT, Formula |
| 1988 - 2002 | Pontiac | Firebird | Base, Trans Am |
| 1989 - 2002 | Pontiac | Firebird | Formula |
| 1994 | Pontiac | Firebird | Trans Am GT |
| 1989 - 1992 | Pontiac | Firebird | Trans Am GTA |
| 1989 | Pontiac | Firebird | Trans Am GTA SE |
| 1988 | Pontiac | Grand Am | Base |
| 1992 - 2002 | Pontiac | Grand Am | GT |
| 1988 - 1991 | Pontiac | Grand Am | LE |
| 1988 - 2002 | Pontiac | Grand Am | SE |
| 2000 - 2002 | Pontiac | Grand Am | SE1, GT1 |
| 2000 | Pontiac | Grand Am | SE2 |
| 1991 | Pontiac | Grand Am | Value Leader |
| 1988 - 1996 | Pontiac | Grand Prix | Base |
| 1991 - 2002 | Pontiac | Grand Prix | GT |
| 1992 - 2002 | Pontiac | Grand Prix | GTP |
| 1988 - 1993 | Pontiac | Grand Prix | LE |
| 1990 | Pontiac | Grand Prix | Mclaren |
| 1988 - 2002 | Pontiac | Grand Prix | SE |
| 1990 - 1993 | Pontiac | Grand Prix | STE |
| 1988 | Pontiac | LeMans | Base, Aerocoupe YL, Aerocoupe |
| 1989 - 1990 | Pontiac | LeMans | GSE |
| 1989 - 1992 | Pontiac | LeMans | LE |
| 1988 - 1993 | Pontiac | LeMans | Value Leader, SE |
| 1988 - 1989 | Pontiac | Safari | Base |
| 1988 | Pontiac | Sunbird | Base |
| 1989 - 1994 | Pontiac | Sunbird | LE |
| 1992 - 1993 | Pontiac | Sunbird | LE Value Leader |
| 1988 - 1994 | Pontiac | Sunbird | SE, GT |
| 1991 | Pontiac | Sunbird | Value Leader |
| 1997 - 2002 | Pontiac | Sunfire | Base |
| 2000 | Pontiac | Sunfire | GT Milenio |
| 1995 - 2002 | Pontiac | Sunfire | SE, GT |