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The Eaton Detroit Truetrac Differential (Part #913A368) is a high-performance, helical-gear limited-slip differential engineered for Chrysler 9.25-inch rear axles with 31-spline shafts and 2.76–4.56 gear ratios. Trusted for its strength, reliability, and maintenance-free design, the Truetrac delivers smooth, automatic torque transfer to the wheel with the most traction—improving stability, cornering, and off-road capability.
Constructed with a robust all-gear design, the Truetrac eliminates clutches and friction plates, ensuring quiet, consistent performance over time. It’s the ideal choice for drivers who need dependable traction in both on-road and off-road applications—whether in muscle cars, trucks, or heavy-duty work vehicles.
eatures:
Helical-gear limited-slip design for automatic torque transfer and superior traction
Maintenance-free operation—no clutches, additives, or wearable components
Durable all-gear construction designed for long service life
Smooth, quiet performance with instant response to traction changes
Compatible with Chrysler 9.25" axles and all 2.76–4.56 gear ratios
Handles high torque loads for street, towing, and off-road performance
| Specification | Detail |
|---|---|
| Part Number | 913A368 |
| Differential Type | Limited Slip (LSD) |
| Axle Model | Chrysler 9.25" |
| Spline Count | 31 |
| Ring Gear Ratio | 2.76 – 4.56 |
| Ring Gear Size | 9.25 in |
| Axle Shaft Diameter | 1.32 in |
| Torque Capacity | 879,881 Nm |
| Weight | 34 lb |
Fitment:
Designed for Chrysler 9.25-inch rear axles with 31-spline shafts, commonly used in Chrysler, Dodge, and Plymouth vehicles.
1974–2010: Chrysler, Dodge, Plymouth Passenger Cars – Rear (Chrysler C-Clip, 2.76–4.56)
1974–2010: Chrysler, Dodge, Plymouth Small & Half-Ton Trucks, Vans, Wagons – Rear (Chrysler C-Clip, 2.76–4.56)
Ideal Usage:
Off-Road: Rock Crawl, Light Trail, Sand Sports, Extreme Off-Road, Work Truck / Towing
On Road: Street & Muscle, Circle Track, Drag Racing, Restoration, Work Truck / Towing
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005-2007 | Chrysler | 300 | Base |
| 2005-2010 | Chrysler | 300 | C |
| 2005-2010 | Chrysler | 300 | C SRT8 |
| 2005-2010 | Chrysler | 300 | Limited |
| 2008-2009 | Chrysler | 300 | LX |
| 2010 | Chrysler | 300 | S |
| 2009 | Chrysler | 300 | Signature Series |
| 2005-2010 | Chrysler | 300 | Touring |
| 1999-2004 | Chrysler | 300M | Base |
| 2003 | Chrysler | 300M | Pro-Am |
| 2002-2004 | Chrysler | 300M | Special |
| 1995-1997,1999-2000 | Chrysler | Cirrus | LX |
| 1995-2000 | Chrysler | Cirrus | LXi |
| 1993-1995 | Chrysler | Concorde | Base |
| 2002-2004 | Chrysler | Concorde | Limited |
| 1996-2004 | Chrysler | Concorde | LX |
| 1996-2004 | Chrysler | Concorde | LXi |
| 1987 | Chrysler | Conquest | Base |
| 1988-1989 | Chrysler | Conquest | TSi |
| 1979-1980 | Chrysler | Cordoba | 300 |
| 1975-1983 | Chrysler | Cordoba | Base |
| 1980 | Chrysler | Cordoba | Crown |
| 1980-1982 | Chrysler | Cordoba | LS |
| 2004-2007 | Chrysler | Crossfire | Base |
| 2005-2008 | Chrysler | Crossfire | Limited |
| 2005-2006 | Chrysler | Crossfire | SRT-6 |
| 1983-1984 | Chrysler | E Class | Base |
| 1985 | Chrysler | Executive Limousine | Base |
| 1983-1984 | Chrysler | Executive Sedan | Base |
| 1983-1989 | Chrysler | Fifth Avenue | Base |
| 2000 | Chrysler | Grand Voyager | Base |
| 2000 | Chrysler | Grand Voyager | SE |
| 1981-1983,1990-1993 | Chrysler | Imperial | Base |
| 1974-1975 | Chrysler | Imperial | LeBaron |
| 1984-1986 | Chrysler | Laser | Base |
| 1984-1986 | Chrysler | Laser | XE |
| 1977-1993 | Chrysler | LeBaron | Base |
| 1989-1990 | Chrysler | LeBaron | GT |
| 1989-1995 | Chrysler | LeBaron | GTC |
| 1985-1989 | Chrysler | LeBaron | GTS |
| 1989-1990 | Chrysler | LeBaron | High Line |
| 1992-1994 | Chrysler | LeBaron | Landau |
| 1993-1994 | Chrysler | LeBaron | LE |
| 1991-1993 | Chrysler | LeBaron | LX |
| 1983-1986 | Chrysler | LeBaron | Mark Cross |
| 1977-1982 | Chrysler | LeBaron | Medallion |
| 1987-1990 | Chrysler | LeBaron | Premium |
| 1978 | Chrysler | LeBaron | S |
| 1979-1981 | Chrysler | LeBaron | Salon |
| 1980-1981 | Chrysler | LeBaron | Special |
| 1994-1997,1999-2001 | Chrysler | LHS | Base |
| 1974,1979-1989,1994-1996 | Chrysler | New Yorker | Base |
| 1974-1978 | Chrysler | New Yorker | Brougham |
| 1990-1993 | Chrysler | New Yorker | Fifth Avenue |
| 1988-1990 | Chrysler | New Yorker | Landau |
| 1990-1993 | Chrysler | New Yorker | Salon |
| 1988 | Chrysler | New Yorker | Turbo |
| 1974-1981 | Chrysler | Newport | Base |
| 1974-1976 | Chrysler | Newport | Custom |
| 2001-2002 | Chrysler | Prowler | Base |
| 2001-2009 | Chrysler | PT Cruiser | Base |
| 2010 | Chrysler | PT Cruiser | Classic |
| 2010 | Chrysler | PT Cruiser | Couture Edition |
| 2002 | Chrysler | PT Cruiser | Dream |
| 2005 | Chrysler | PT Cruiser | Dream Cruiser |
| 2003-2007 | Chrysler | PT Cruiser | GT |
| 2001-2009 | Chrysler | PT Cruiser | Limited |
| 2008-2009 | Chrysler | PT Cruiser | LX |
| 2005-2006 | Chrysler | PT Cruiser | Street Cruiser |
| 2001-2009 | Chrysler | PT Cruiser | Touring |
| 2004-2007 | Chrysler | Sebring | Base |
| 2002-2006 | Chrysler | Sebring | GTC |
| 1996-2000 | Chrysler | Sebring | JX |
| 1996-2000 | Chrysler | Sebring | JXi |
| 2002-2010 | Chrysler | Sebring | Limited |
| 1995-2004,2008-2010 | Chrysler | Sebring | LX |
| 1995-2003 | Chrysler | Sebring | LXi |
| 2001 | Chrysler | Sebring | LXi Limited |
| 2004-2010 | Chrysler | Sebring | Touring |
| 2005-2006 | Chrysler | Sebring | TSi |
| 1989-1991 | Chrysler | TC Maserati | Base |
| 1974-1988,1990-1996,2003-2007 | Chrysler | Town & Country | Base |
| 2002-2003 | Chrysler | Town & Country | EL |
| 2001-2004 | Chrysler | Town & Country | EX |
| 1999-2010 | Chrysler | Town & Country | Limited |
| 1996-2010 | Chrysler | Town & Country | LX |
| 1996-2003 | Chrysler | Town & Country | LXi |
| 1983-1986 | Chrysler | Town & Country | Mark Cross |
| 1997-1999 | Chrysler | Town & Country | SX |
| 2004-2010 | Chrysler | Town & Country | Touring |
| 2010 | Chrysler | Town & Country | Walter P. Chrysler Signature Series |
| 2000-2002 | Chrysler | Voyager | Base |
| 2001-2003 | Chrysler | Voyager | LX |
| 2000 | Chrysler | Voyager | SE |
| 1982-1983 | Dodge | 400 | Base |
| 1982 | Dodge | 400 | LS |
| 1983-1988 | Dodge | 600 | Base |
| 1983-1986 | Dodge | 600 | ES |
| 1985-1988 | Dodge | 600 | SE |
| 1988-1989 | Dodge | Aries | America |
| 1981-1987 | Dodge | Aries | Base |
| 1981-1984 | Dodge | Aries | Custom |
| 1985-1987 | Dodge | Aries | LE |
| 1981-1986 | Dodge | Aries | SE |
| 1976-1980 | Dodge | Aspen | Base |
| 1976-1977 | Dodge | Aspen | Custom |
| 1976-1977 | Dodge | Aspen | Special Edition |
| 1995-2000 | Dodge | Avenger | Base |
| 1995-2000 | Dodge | Avenger | ES |
| 2010 | Dodge | Avenger | Express |
| 2008-2010 | Dodge | Avenger | R/T |
| 2008-2009 | Dodge | Avenger | SE |
| 2008-2010 | Dodge | Avenger | SXT |
| 1975-1980 | Dodge | B100 | Base |
| 1974 | Dodge | B100 Van | Base |
| 1974 | Dodge | B100 Van | Sportsman |
| 1981-1994 | Dodge | B150 | Base |
| 1995-1998 | Dodge | B1500 | Base |
| 1975-1980 | Dodge | B200 | Base |
| 1974 | Dodge | B200 Van | Base |
| 1974 | Dodge | B200 Van | Maxi |
| 1974 | Dodge | B200 Van | Maxi Wagon |
| 1974 | Dodge | B200 Van | Sportsman |
| 1981-1994 | Dodge | B250 | Base |
| 1995-1998 | Dodge | B2500 | Base |
| 1975-1980 | Dodge | B300 | Base |
| 1974 | Dodge | B300 Van | Base |
| 1974 | Dodge | B300 Van | Maxi |
| 1974 | Dodge | B300 Van | Maxi Wagon |
| 1974 | Dodge | B300 Van | Sportsman |
| 1981-1994 | Dodge | B350 | Base |
| 1995-1998 | Dodge | B3500 | Base |
| 2010 | Dodge | Caliber | Express |
| 2010 | Dodge | Caliber | Heat |
| 2010 | Dodge | Caliber | Mainstreet |
| 2007-2010 | Dodge | Caliber | R/T |
| 2010 | Dodge | Caliber | Rush |
| 2007-2010 | Dodge | Caliber | SE |
| 2008-2009 | Dodge | Caliber | SRT-4 |
| 2007-2010 | Dodge | Caliber | SXT |
| 2010 | Dodge | Caliber | Uptown |
| 1984-2000,2006-2007 | Dodge | Caravan | Base |
| 1989-1995,2003-2005 | Dodge | Caravan | C/V |
| 2002 | Dodge | Caravan | Ec |
| 1990-1999 | Dodge | Caravan | ES |
| 1984-1999 | Dodge | Caravan | LE |
| 1984-2007 | Dodge | Caravan | SE |
| 1998-2003 | Dodge | Caravan | Sport |
| 2004-2007 | Dodge | Caravan | SXT |
| 1974-1980 | Dodge | CB300 | Base |
| 1974,1978-1983 | Dodge | Challenger | Base |
| 1978-1983 | Dodge | Challenger | Premium |
| 2009-2010 | Dodge | Challenger | R/T |
| 2009-2010 | Dodge | Challenger | SE |
| 2008-2010 | Dodge | Challenger | SRT8 |
| 1983-1986 | Dodge | Charger | 2.2 |
| 1974,1976,1983-1987,2006-2007 | Dodge | Charger | Base |
| 2006 | Dodge | Charger | Daytona R/T |
| 2006-2010 | Dodge | Charger | R/T |
| 2006-2010 | Dodge | Charger | SE |
| 1983-1987 | Dodge | Charger | Shelby |
| 1974-1978 | Dodge | Charger | Special Edition |
| 1976 | Dodge | Charger | Sport |
| 2006-2010 | Dodge | Charger | SRT8 |
| 2006-2010 | Dodge | Charger | SXT |
| 1974-1983,1988-1994 | Dodge | Colt | Base |
| 1975-1977 | Dodge | Colt | Carousel |
| 1977-1983 | Dodge | Colt | Custom |
| 1982-1983 | Dodge | Colt | Deluxe |
| 1984-1990 | Dodge | Colt | DL |
| 1984-1989 | Dodge | Colt | E |
| 1994 | Dodge | Colt | ES |
| 1990-1993 | Dodge | Colt | GL |
| 1974-1977,1989-1990 | Dodge | Colt | GT |
| 1985-1988 | Dodge | Colt | Premier |
| 1984-1991 | Dodge | Colt | Vista |
| 1986 | Dodge | Colt | Vista Custom |
| 1984-1986 | Dodge | Conquest | Base |
| 1974-1976 | Dodge | Coronet | Base |
| 1975-1976 | Dodge | Coronet | Brougham |
| 1974-1976 | Dodge | Coronet | Crestwood |
| 1974-1975 | Dodge | Coronet | Custom |
| 1979-1980 | Dodge | D50 | Base |
| 1981-1982 | Dodge | D50 | Custom |
| 1981-1982 | Dodge | D50 | Royal |
| 1979-1982 | Dodge | D50 | Sport |
| 1974-1976 | Dodge | Dart | Base |
| 1974-1975 | Dodge | Dart | Custom |
| 1974 | Dodge | Dart | Special |
| 1974-1975 | Dodge | Dart | Special Edition |
| 1974-1976 | Dodge | Dart | Sport |
| 1974-1975 | Dodge | Dart | Sport 360 |
| 1974-1976 | Dodge | Dart | Swinger |
| 1975-1976 | Dodge | Dart | Swinger Special |
| 1984-1993 | Dodge | Daytona | Base |
| 1989-1993 | Dodge | Daytona | ES |
| 1989-1990 | Dodge | Daytona | ES Turbo |
| 1991-1993 | Dodge | Daytona | Iroc |
| 1992-1993 | Dodge | Daytona | Iroc R/T |
| 1987-1988 | Dodge | Daytona | Pacifica |
We are open Monday-Friday from 8am-6pm EST
Yes, customers located in and around the the Piedmont area are welcome to pick up their items from our retail location during normal business hours. Our address is:
Elite Race Fab
1514 Holbrook St Suite D-F
Greensboro, NC 27403
Elite Race Fab offers free ground shipping & handling to our retail customers within the lower 48 contiguous United States on most orders totaling $159.99 and higher, when the item being purchased is not a Freight/LTL item! Orders under $159.99 will be subject to a nominal $13.99 Flat shipping charge. Some exceptions and/or exclusions apply, in those scenarios you will be advised of any additional charges in the item details/description stating shipping exclussions/freight shipping required etc.
In regards to expedited and international shipping each order will need to be quoted on a case by case basis. You can obtain a quote two ways:
- From your shopping cart select "Request a Quote" prior to placing your order. We will review your proposed order and promptly respond with shipping estimates.
- Complete your order ahead of time indicating either expedited or international shipping during the checkout process. We will promptly determine shipping rates for your order and email you for approval and additional payment.
-Give us a call and we can ensure your item is shipped right then, to ensure you have it in time for your deadline.
We have been committed to offering all of our customers the lowest pricing throughout our website day in and day out. We value your business so much that we go a step further than our competitors. We use a third party software that proactively monitors all our competitor's websites/pricing so that we can make adjustments accordingly if needed to have the lowest prices. Thats right, no need to spend hours searching for the lowest prices, as ours will be the lowest.
As far as price matching, we dont want to write a check we cant cash, but we certainly want to earn your business. With that said, we will go above and beyond to match our competitor's pricing when it is needed. Simply email us, click the live contact button, or give us a call and be sure to have a link to our competitor's site and please factor in any shipping and handling their website will be charging. We will then ensure you get the lowest price, and either match or beat their pricing.
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