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Make 4 interest-free payments of $329.62 fortnightly and receive your order now. More info
Differential
The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.
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.;
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included items. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Differential, Eaton Detroit Truetrac, 28-Spline, GM 7.5 in., Each
Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. They perform like a limited-slip differential under normal driving conditions, automatically transferring torque to the wheel with better traction when ground conditions warrant. These replacement units are available for dozens of axle applications.
Brand | EATON |
Notes | Fits 3.23 and numerically higher gear ratios. |
Quantity | Sold individually. |
Part Type | Differential Carriers |
Cover Bolts | 10 |
Product Line | Eaton Detroit Truetrac Differentials |
Carrier Series | 3 |
Carrier Material | Steel |
Special Attention | Eaton recommends a petroleum/mineral based GL-5 80W90 gear oil for all Truetrac differentials. Do not use synthetic gear oil or friction modifiers. |
Manufacturer of Axle | GM |
Aftermarket Carrier Style | Helical gear |
Carrier Bearings Included | No |
Axle Shaft Spline Quantity | 28 |
Manufacturer's Part Number | 912A317 |
Differential Case Design Type | GM 7.5/7.6 in. |
Eaton Detroit Truetrac Diff 28 Spline 1.20in Axle Shaft Diameter 3.23 & Up Ratio Rear 7.5in/7.625in | ||||
---|---|---|---|---|
Year Range | Make | Model | Submodels | Region |
1988-2002 | Buick | Century | Custom, Estate Wagon, Limited, Special | US |
1991-1996 | Buick | Commercial Chassis | Base | US |
1988-1990 | Buick | Electra | Limited, Park Avenue, T-Type, Estate Wagon, Park Avenue Ultra | US |
1988-2002 | Buick | LeSabre | Custom, Estate Wagon, Limited, Base | US |
1991-2002 | Buick | Park Avenue | Base, Ultra | US |
1988-1991 | Buick | Reatta | Base | US |
1988-2002 | Buick | Regal | Custom, Limited, Gran Sport, Olympic Gold Edition, GS, LS, 25th Anniversary Edition, GSE, LSE | US |
1988-1993 | Buick | Riviera | Luxury, T-Type | US |
1995-1999 | Buick | Riviera | Base | US |
1991-1996 | Buick | Roadmaster | Estate Wagon, Base, Limited, Collector's Edition, Limited Collector's Edition, Estate Wagon Collector's Edition | US |
1988-1989 | Buick | Skyhawk | Custom, SE | US |
1988-1998 | Buick | Skylark | Custom, Limited, Base, Gran Sport, Luxury Edition, Olympic Gold Edition | US |
1988-2005 | Chevrolet | Astro | Base, CL, CS, LT, LS | US |
1988-1996 | Chevrolet | Beretta | Base, GT, Indianapolis 500 Pace Car, GTZ, Z26 | US |
1988-2002 | Chevrolet | Camaro | Base, Iroc-Z, RS, Z28, RS Heritage Edition, Z28 Heritage Edition, Indianapolis 500 Pace Car, Z28 SS | US |
1988-1996 | Chevrolet | Caprice | Base, Classic, Classic Brougham, Classic LS Brougham, Classic LTZ, Classic LS | US |
1988-2002 | Chevrolet | Cavalier | Base, RS, VL, Z24, LS, LS Sport | US |
1988-1990 | Chevrolet | Celebrity | Base, Eurosport, CL | US |
1988-1996 | Chevrolet | Corsica | Base, LT, LTZ | US |
1988-2002 | Chevrolet | Corvette | 35th Anniversary Edition, Base, ZR-1, 40th Anniversary Edition, Indianapolis 500 Pace Car, Collector's Edition, Grand Sport, Z06 | US |
1994-1996 | Chevrolet | Impala | SS | US |
2000-2002 | Chevrolet | Impala | Base, LS | US |
1990-2001 | Chevrolet | Lumina | Base, Euro, Z34, LS, LTZ | US |
1997-2002 | Chevrolet | Malibu | Base, LS | US |
1998-2001 | Chevrolet | Metro | Base, LSi | US |
1988 | Chevrolet | Monte Carlo | Base, LS, SS | US |
1995-2002 | Chevrolet | Monte Carlo | LS, Z34, Indianapolis 500 Pace Car, SS, SS 35th Anniversary Edition, SS Dale Earnhardt Signature Edition | US |
1988 | Chevrolet | Nova | Base, CL, Twin Cam | US |
1998-2002 | Chevrolet | Prizm | Base, LSi | US |
1988-2004 | Chevrolet | S10 | Base, Durango, Sport, Tahoe, Baja, EL, LS, SS, ZR2, Xtreme, ZR5 | US |
1988-1994 | Chevrolet | S10 Blazer | Base, High Country, Sport, Tahoe, Tahoe LT, LT | US |
1999-2002 | Chevrolet | Silverado 1500 | Base, LS, LT, WT | US |
2001-2002 | Chevrolet | Silverado 1500 HD | LS, LT | US |
1988 | Chevrolet | Spectrum | Base, CL, CL Plus, Express, Turbo | US |
1988 | Chevrolet | Sprint | Base, Metro, Turbo, ER | US |
1988-1990 | GMC | S15 | Base, Gypsy, High Sierra, Sierra Classic | US |
1988-1991 | GMC | S15 Jimmy | Base, Gypsy, Sierra Classic, Timberline, SLE, SLS, SLT | US |
1988-1999 | GMC | Safari | Base, SLE, SLT, SLX, GT, SL | US |
1999-2002 | GMC | Sierra 1500 | SL, SLE, SLT, Base, HT, WT, Denali | US |
2001-2002 | GMC | Sierra 1500 HD | SLE, SLT | US |
1991-2004 | GMC | Sonoma | Base, SLE, GT, SLS, SL | US |
1991 | GMC | Syclone | Base | US |
1988-1995 | Isuzu | Pickup | 1 Ton, LS, S, XS | US |
1991-2002 | Isuzu | Rodeo | LS, S, XS, LSE, S V6 | US |
1992-1999 | Oldsmobile | 88 | Royale, Royale LS, Royale LSS, 50th Anniversary Edition | US |
1988-1996 | Oldsmobile | 98 | Regency, Regency Brougham, Regency Touring, Regency Elite, Touring | US |
1992-1998 | Oldsmobile | Achieva | S, SL, SC, SCX | US |
1999-2002 | Oldsmobile | Alero | GL, GLS, GX | US |
1995-1999 | Oldsmobile | Aurora | Base | US |
2001-2002 | Oldsmobile | Aurora | Base | US |
Note: Displaying first 50 entries. |
Please note that this information serves as a fitment guide only. For specific fitment questions or clarifications, please contact us, as manufacturers may introduce variations and modifications during model year or regional revisions. While we strive to provide accurate data, fitment details may vary by region; therefore, compatibility outside the listed region and submodel variant cannot be guaranteed.
Application Data | |
---|---|
Make | BUICK |
Beginning Year | 1988 |
Ending Year | 2005 |
Axle Location | Rear |
Application Notes | Fits 3.23 and numerically higher gear ratios. |
Make | CHEVROLET |
Beginning Year | 1988 |
Ending Year | 2009 |
Axle Location | Rear |
Application Notes | Fits 3.23 and numerically higher gear ratios. |
Make | GMC |
Beginning Year | 1988 |
Ending Year | 2009 |
Axle Location | Rear |
Application Notes | Fits 3.23 and numerically higher gear ratios. |
Differential
The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.
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.;
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included items. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Differential, Eaton Detroit Truetrac, 28-Spline, GM 7.5 in., Each
Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. They perform like a limited-slip differential under normal driving conditions, automatically transferring torque to the wheel with better traction when ground conditions warrant. These replacement units are available for dozens of axle applications.
Brand | EATON |
Notes | Fits 3.23 and numerically higher gear ratios. |
Quantity | Sold individually. |
Part Type | Differential Carriers |
Cover Bolts | 10 |
Product Line | Eaton Detroit Truetrac Differentials |
Carrier Series | 3 |
Carrier Material | Steel |
Special Attention | Eaton recommends a petroleum/mineral based GL-5 80W90 gear oil for all Truetrac differentials. Do not use synthetic gear oil or friction modifiers. |
Manufacturer of Axle | GM |
Aftermarket Carrier Style | Helical gear |
Carrier Bearings Included | No |
Axle Shaft Spline Quantity | 28 |
Manufacturer's Part Number | 912A317 |
Differential Case Design Type | GM 7.5/7.6 in. |
Eaton Detroit Truetrac Diff 28 Spline 1.20in Axle Shaft Diameter 3.23 & Up Ratio Rear 7.5in/7.625in | ||||
---|---|---|---|---|
Year Range | Make | Model | Submodels | Region |
1988-2002 | Buick | Century | Custom, Estate Wagon, Limited, Special | US |
1991-1996 | Buick | Commercial Chassis | Base | US |
1988-1990 | Buick | Electra | Limited, Park Avenue, T-Type, Estate Wagon, Park Avenue Ultra | US |
1988-2002 | Buick | LeSabre | Custom, Estate Wagon, Limited, Base | US |
1991-2002 | Buick | Park Avenue | Base, Ultra | US |
1988-1991 | Buick | Reatta | Base | US |
1988-2002 | Buick | Regal | Custom, Limited, Gran Sport, Olympic Gold Edition, GS, LS, 25th Anniversary Edition, GSE, LSE | US |
1988-1993 | Buick | Riviera | Luxury, T-Type | US |
1995-1999 | Buick | Riviera | Base | US |
1991-1996 | Buick | Roadmaster | Estate Wagon, Base, Limited, Collector's Edition, Limited Collector's Edition, Estate Wagon Collector's Edition | US |
1988-1989 | Buick | Skyhawk | Custom, SE | US |
1988-1998 | Buick | Skylark | Custom, Limited, Base, Gran Sport, Luxury Edition, Olympic Gold Edition | US |
1988-2005 | Chevrolet | Astro | Base, CL, CS, LT, LS | US |
1988-1996 | Chevrolet | Beretta | Base, GT, Indianapolis 500 Pace Car, GTZ, Z26 | US |
1988-2002 | Chevrolet | Camaro | Base, Iroc-Z, RS, Z28, RS Heritage Edition, Z28 Heritage Edition, Indianapolis 500 Pace Car, Z28 SS | US |
1988-1996 | Chevrolet | Caprice | Base, Classic, Classic Brougham, Classic LS Brougham, Classic LTZ, Classic LS | US |
1988-2002 | Chevrolet | Cavalier | Base, RS, VL, Z24, LS, LS Sport | US |
1988-1990 | Chevrolet | Celebrity | Base, Eurosport, CL | US |
1988-1996 | Chevrolet | Corsica | Base, LT, LTZ | US |
1988-2002 | Chevrolet | Corvette | 35th Anniversary Edition, Base, ZR-1, 40th Anniversary Edition, Indianapolis 500 Pace Car, Collector's Edition, Grand Sport, Z06 | US |
1994-1996 | Chevrolet | Impala | SS | US |
2000-2002 | Chevrolet | Impala | Base, LS | US |
1990-2001 | Chevrolet | Lumina | Base, Euro, Z34, LS, LTZ | US |
1997-2002 | Chevrolet | Malibu | Base, LS | US |
1998-2001 | Chevrolet | Metro | Base, LSi | US |
1988 | Chevrolet | Monte Carlo | Base, LS, SS | US |
1995-2002 | Chevrolet | Monte Carlo | LS, Z34, Indianapolis 500 Pace Car, SS, SS 35th Anniversary Edition, SS Dale Earnhardt Signature Edition | US |
1988 | Chevrolet | Nova | Base, CL, Twin Cam | US |
1998-2002 | Chevrolet | Prizm | Base, LSi | US |
1988-2004 | Chevrolet | S10 | Base, Durango, Sport, Tahoe, Baja, EL, LS, SS, ZR2, Xtreme, ZR5 | US |
1988-1994 | Chevrolet | S10 Blazer | Base, High Country, Sport, Tahoe, Tahoe LT, LT | US |
1999-2002 | Chevrolet | Silverado 1500 | Base, LS, LT, WT | US |
2001-2002 | Chevrolet | Silverado 1500 HD | LS, LT | US |
1988 | Chevrolet | Spectrum | Base, CL, CL Plus, Express, Turbo | US |
1988 | Chevrolet | Sprint | Base, Metro, Turbo, ER | US |
1988-1990 | GMC | S15 | Base, Gypsy, High Sierra, Sierra Classic | US |
1988-1991 | GMC | S15 Jimmy | Base, Gypsy, Sierra Classic, Timberline, SLE, SLS, SLT | US |
1988-1999 | GMC | Safari | Base, SLE, SLT, SLX, GT, SL | US |
1999-2002 | GMC | Sierra 1500 | SL, SLE, SLT, Base, HT, WT, Denali | US |
2001-2002 | GMC | Sierra 1500 HD | SLE, SLT | US |
1991-2004 | GMC | Sonoma | Base, SLE, GT, SLS, SL | US |
1991 | GMC | Syclone | Base | US |
1988-1995 | Isuzu | Pickup | 1 Ton, LS, S, XS | US |
1991-2002 | Isuzu | Rodeo | LS, S, XS, LSE, S V6 | US |
1992-1999 | Oldsmobile | 88 | Royale, Royale LS, Royale LSS, 50th Anniversary Edition | US |
1988-1996 | Oldsmobile | 98 | Regency, Regency Brougham, Regency Touring, Regency Elite, Touring | US |
1992-1998 | Oldsmobile | Achieva | S, SL, SC, SCX | US |
1999-2002 | Oldsmobile | Alero | GL, GLS, GX | US |
1995-1999 | Oldsmobile | Aurora | Base | US |
2001-2002 | Oldsmobile | Aurora | Base | US |
Note: Displaying first 50 entries. |
Please note that this information serves as a fitment guide only. For specific fitment questions or clarifications, please contact us, as manufacturers may introduce variations and modifications during model year or regional revisions. While we strive to provide accurate data, fitment details may vary by region; therefore, compatibility outside the listed region and submodel variant cannot be guaranteed.
Application Data | |
---|---|
Make | BUICK |
Beginning Year | 1988 |
Ending Year | 2005 |
Axle Location | Rear |
Application Notes | Fits 3.23 and numerically higher gear ratios. |
Make | CHEVROLET |
Beginning Year | 1988 |
Ending Year | 2009 |
Axle Location | Rear |
Application Notes | Fits 3.23 and numerically higher gear ratios. |
Make | GMC |
Beginning Year | 1988 |
Ending Year | 2009 |
Axle Location | Rear |
Application Notes | Fits 3.23 and numerically higher gear ratios. |