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Eaton

Eaton

Eaton Detroit Truetrac Differential 30 Spline 1.32in Axle Shaft Dia 2.73 & Up Ratio Rear 8.5in/8.6in

SKU: EAT913A481

Differential Carriers

EAT Detroit Truetrac Diffs

Eaton Detroit Truetrac Differential 30 Spline 1.32in Axle Shaft Dia 2.73 & Up Ratio Rear 8.5in/8.6in
Eaton

Eaton

Eaton Detroit Truetrac Differential 30 Spline 1.32in Axle Shaft Dia 2.73 & Up Ratio Rear 8.5in/8.6in

SKU: EAT913A481

Differential Carriers

EAT Detroit Truetrac Diffs

A$1,590.03
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

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.

Part Type

Differential Carriers

Data: v4.2 - Upd: 2026-10-10 08:35:27

Features

  • Automatic Engagement
  • Durable; Smooth; Quiet Operation
  • Helical Gear Limited Slip Differential
  • Ideal For Most Vehicles
  • No Special Lubrication Or Friction Modifiers Needed
  • Optimized Torque Bias Ratios Deliver Max Acceleration And Handling
  • Works In Forward And Reverse

Specifications

Product Attributes - Brand
EATON
Product Attributes - Notes
Eaton differentials require special bearings. For axles with the small bearing race O.D. of 2.890 in., use bearing number TMK-LM102949 and race number TMK-LM102911. For axles with the larger bearing race O.D. of 3.060 in., use bearing number TMK-LM603049 and race number TMK-LM603012. Most 1999 and newer axles will use the larger bearing and race.
Product Attributes - Quantity
Sold individually.
Product Attributes - Part Type
Differential Carriers
Product Attributes - Cover Bolts
10
Product Attributes - Product Line
Eaton Detroit Truetrac Differentials
Product Attributes - Carrier Material
Steel
Product Attributes - 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.
Product Attributes - Manufacturer of Axle
GM
Product Attributes - Aftermarket Carrier Style
Helical gear
Product Attributes - Carrier Bearings Included
No
Product Attributes - Axle Shaft Spline Quantity
30
Product Attributes - Manufacturer's Part Number
913A481
Product Attributes - Differential Case Design Type
GM 8.5/8.6 in.

Reference Information

Brand Name/s Eaton
StreetFX SKU eat913A481
SFX Item ID 4500416
Supplier Item Code 4500416
Manufacturer SKU 913A481
Manufacturer UPC N/A
Alternative References etn-913a481, EAT000016, 1.32in, 8.5in/8.6in

Brochures

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1988
    Ending Year2013
    Axle LocationRear
    Application NotesEaton differentials require special bearings. For axles with the small bearing race O.D. of 2.890 in., use bearing number TMK-LM102949 and race number TMK-LM102911. For axles with the larger bearing race O.D. of 3.060 in., use bearing number TMK-LM603049 and race number TMK-LM603012. Most 1999 and newer axles will use the larger bearing and race.
  • MakeGMC
    Beginning Year1988
    Ending Year2013
    Axle LocationRear
    Application NotesEaton differentials require special bearings. For axles with the small bearing race O.D. of 2.890 in., use bearing number TMK-LM102949 and race number TMK-LM102911. For axles with the larger bearing race O.D. of 3.060 in., use bearing number TMK-LM603049 and race number TMK-LM603012. Most 1999 and newer axles will use the larger bearing and race.
  • MakeHUMMER
    Beginning Year2006
    Ending Year2009
    Axle LocationRear
    Application NotesEaton differentials require special bearings. For axles with the small bearing race O.D. of 2.890 in., use bearing number TMK-LM102949 and race number TMK-LM102911. For axles with the larger bearing race O.D. of 3.060 in., use bearing number TMK-LM603049 and race number TMK-LM603012. Most 1999 and newer axles will use the larger bearing and race.
  • MakeSAAB
    Beginning Year2005
    Ending Year2007
    Axle LocationRear
    Application NotesFits 2005.5 to 2007 models. Eaton differentials require special bearings. For axles with the small bearing race O.D. of 2.890 in., use bearing number TMK-LM102949 and race number TMK-LM102911. For axles with the larger bearing race O.D. of 3.060 in., use bearing number TMK-LM603049 and race number TMK-LM603012.

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