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Eaton Torque Control Products 912A556 Detroit Truetrac Helical Gear Limited Slip Differential

(GMC G2500 1979-87, 1989, K1500 1979-86, C1500 1979-80, 1982-86, 1988, K2500 1979-86, Jimmy 1981, 1983-84, 1986, 1988, K2500 Suburban 1979-86 + 126 more models)

Part of: Eaton Torque Control Products Detroit Truetrac Helical Gear Limited Slip Differential

Other options in this family: Eaton Torque Control Products 912A317 Eaton Torque Control Products 912A562 Eaton Torque Control Products 912A642 Eaton Torque Control Products 911A319 Eaton Torque Control Products 912A587

Manufacturer

Picture for manufacturer Eaton Torque Control Products

Part Number

912A556
9 reviews
Sale Price

$624.00

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Eaton Detroit Truetrac 912A556 is a helical gear limited slip differential that delivers reliable, maintenance-free traction for demanding automotive applications. As the first helical gear differential introduced to the automotive aftermarket, the Truetrac has established itself as the industry-leading solution for smooth, effective power distribution.

Key Features:

  • Helical gear design eliminates wearable clutch plates and friction discs
  • Maintenance-free operation with no special lubrication requirements
  • Smooth and quiet performance compared to traditional clutch-type differentials
  • Automatic torque biasing responds instantly to traction conditions
  • Works seamlessly in all driving conditions, from highway to off-road
  • No external controls or driver intervention required
  • Proven durability in automotive, truck, and SUV applications

The Detroit Truetrac uses a gear-on-gear design that automatically transfers torque to the wheel with better traction, providing superior performance over open differentials without the maintenance demands of clutch-type limited slips. Its helical gearing ensures smooth operation without the chattering or noise associated with other traction devices, making it ideal for daily drivers and recreational vehicles alike.

Backed by Eaton's engineering excellence and decades of proven performance, the 912A556 Truetrac differential delivers dependable traction you can count on.

Products specifications

Fits

GMC G2500 1979-87, 1989, K1500 1979-86, C1500 1979-80, 1982-86, 1988, K2500 1979-86, Jimmy 1981, 1983-84, 1986, 1988, K2500 Suburban 1979-86, K1500 Suburban 1979-86, S15 1982-85, 1987-88, C1500 Suburban 1979-86 + 123 more models

On Monday I placed an order for a Moroso Battery Switch (which was competitively priced BTW) and sitting here Wed afternoon I've got my switch in hand. Autoplicity was perfect every step of the way, including immediate notification of the order receipt, notification of shipment, even notification that it had been delivered (and it was waiting on my front porch). Packing was suitable too. Couldn't be happier. Buy with confidence. Kev

Quick turnaround and the best prices on the web!

Best price

I ordered a Derale 14204 Trans oil pan from Autoplicity -<br>it arrived quickly, in good shape (was well packed for shipment)<br>More than pleased.... (best price was a bonus)<br>-HBP-

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Excellent prices, inventory and fast service. I placed my order on Saturday, Aug 4, it was shipped on Monday, Aug 6, and due to arrive on Friday. I will be a repeat customer with prices and service like this.

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In a rush to get my car up and running, Autoplicity had the best price on the items I needed, and in stock as well as shipped quickly. Just what I was looking for, thanks!

I did a price comparison for hard-to-find Redline motor and tranmission oil of over 30 different vendors and websites through Amazon, E-bay, Google, etc. and Autoplicity had the best price by 25-30%. It was a no-brainer to order from them, and their website is easy search and manage. And their shipping charges aren't too bad either.

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