Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 4.56 & Up Ratio Rear Dana 60

SKU: EAT913A390

Differential Carriers

EAT Detroit Truetrac Diffs...

Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 4.56 & Up Ratio Rear Dana 60

SKU: EAT913A390

Differential Carriers

EAT Detroit Truetrac Diffs...

A$2,674.31
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
View cart
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

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: 2026-10-13 20:42:28

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 - Manufacturer's Part Number
913A390
Product Attributes - Part Type
Differential Carriers
Product Attributes - Product Line
Eaton Detroit Truetrac Differentials
Product Attributes - UPC
840379360875
Product Attributes - Differential Case Design Type
Dana 60
Product Attributes - Remanufactured
No
Product Attributes - Aftermarket Carrier Style
Helical gear
Product Attributes - Cover Bolts
10
Product Attributes - Carrier Series
4
Product Attributes - Axle Shaft Spline Quantity
30
Product Attributes - Manufacturer of Axle
GM
Product Attributes - Carrier Material
Steel
Product Attributes - Carrier Bearings Included
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Designed for 4.56 and numerically higher gear ratios.
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.

Reference Information

Brand Name/s Eaton
StreetFX SKU eat913A390
SFX Item ID 4500414
Supplier Item Code 4500414
Manufacturer SKU 913A390
Manufacturer UPC N/A
Alternative References EAT000007, ETN-913A390, 1.31in

Brochures

Compatibility

Application Data
  • Axle LocationRear

Loading compatibility information...

Keep shopping

More from Eaton