Name: Detroit Truetrac® Differential; 29 Spline; 1.27 in. Axle Shaft Diameter; 3.08 And Up Ring Gear Pinion Ratio; Rear AMC 20;
Brand: Eaton
SKU: 912A579
Price: 950.86 USD
Availability: InStock

Detroit Truetrac® Differential; 29 Spline; 1.27 in. Axle Shaft Diameter; 3.08 And Up Ring Gear Pinion Ratio; Rear AMC 20;

MPN: 912A579UPC: 840379306996

In Stock

Almost gone! Only 2 remaining

$950.86$999.44SAVE 5%

Starting at $80/mowithaffirm

Fits:Universal Fit

Detroit Truetrac Amc 20 Ratios 3.08 & up 29 Spline

Secure Checkout

SSL Encrypted

Easy Returns

30-day policy

Guaranteed Fitment

Or your money back

Pay Over Time

With Affirm

Usually ships in 1-3 business days

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

Overview

Detroit Truetrac Amc 20 Ratios 3.08 & up 29 Spline

Weight	27.41 lbs
Length	10.5 in
Width	10.5 in
Height	6.5 in
Part Number	912A579
UPC	840379306996
Billable Weight	27.74
Color	RGB
Dimensional Weight	27.74 PG
Hazardous Material	N
Height	6.5
Height (in)	8
inventory_nv1	0
inventory_pa1	2
inventory_pa2	0
Length	10.5
Length (in)	9
private_label	No
Sold As	EA
Weight	27.739 PG
Weight (lbs)	27.41
Width	10.5
Width (in)	8

Detroit Truetrac® Differential; 29 Spline; 1.27 in. Axle Shaft Diameter; 3.08 And Up Ring Gear Pinion Ratio; Rear AMC 20;

Overview

Installation Overview

Compare Differential (Driveline and Axles) Options

Standard Open Cross Pin (0.795 Inch Diameter) GM 8.5 Inch Fits Some Eaton Posi Units 8.5 GM X/Pin Std Some Eat Posi'S(0.795 Inch Diameter) Yukon Gear

Detroit Truetrac® Differential; 29 Spline; 1.27 in. Axle Shaft Diameter; 3.08 And Up Ring Gear Pinion Ratio; Rear AMC 20;

Eaton NoSPIN Differential; DS402; 41 Spline; 2.10 in. Axle Shaft Diameter;

Complete the BuildMore from Eaton

Eaton Posi® Service Kit; 10 Lock Screws; Locker Washers;

Eaton ELocker® Stator Service Kit; For Various Dana 30/35 Vehicles.; Incl. Stator Assembly; Armature; Retaining Bracket;

Eaton Posi® Service Kit; GM 8.875 in.; PN[19587-010; 19556-010; 19554-010; 19555-010];Side Gear; Pinion Gears; Washers; Shaft Screw;

Eaton Posi® Service Kit; 24 Steel Discs; Guides; Shims;

Eaton Posi® Service Kit; Carbon Discs; Shims; Guides; PN[ 19730-010; 19627-010; 19734-010];

Eaton ELocker® Stator Service Kit; For Various Dana 60/70 Vehicles.; Incl. Stator Assembly; Armature;

Buying Guides

Related Articles

Guide to Alabama Gulf Coast Jeep Meet 2026

Top 2 Epic Jeep Events This April 2026

Guide to Jeep Carolina Invasion 2026

You May Also Like

Ring & Pinion GM 8.2in 4.11 Ratio

Differential Cover Jeep AMC Model 20

ARB Seal Housing Kit for Dana 30 Axle RD100/RD101/RD102/RD104

1976-1983 CJ-5 CJ w/ AMC 20 Rear Axle (except 2.73 ratio); Includes Differential Case Internal Gear Kit and Clutch Pack (all assembled) 1976-1986 CJ-7 CJ w/ AMC 20 Rear Axle (except 2.73 ratio); Includes Differential Case Internal Gear Kit and Clutch

Premium Quick Change Gears

High Performance Ring & Pinion Set Dana 30 Reverse Rotation 4.56 Ratio D30 4.56 Rev R&P 26 Spline Yukon Gear

Shifter Stick Only

Detroit Truetrac® Differential; 27 Spline; 1.16 in. Axle Shaft Diameter; 3.73 And Up Ring Gear Pinion Ratio; Rear; Dana 30/Reverse; Applies To Non-Disconnect Only;

Cart (0 items)