Heavy Duty "E" Clutch Hub - 38 Spline


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Heavy Duty "E" Clutch Hub - 38 Spline

Vehicles with ZF8HP70 transmissions utilize an "E" hub that is made from weak, cast A380 aluminum. This material is no match for the high torque generated in these applications. The lock splines of the hub are prone to shearing or breaking, resulting in failsafe, ratio codes and loss of movement. In addition, the steel clutch plates dig into the splines on the drum, causing the plates to hang up and burn. This can happen in as few as 20,000 miles.

Sonnax heavy duty "E" clutch hub 35572-38T is crafted from forged 4000-series aluminum, the same material used for high performance engine pistons. The Sonnax billet hub features a far superior yield strength versus the OE hub, so you can rest easy knowing it will stand the test of time — no more worrying about comebacks due to a failed OE hub.

  • High-strength, forged hub eliminates spline failure
  • Improved material significantly increases "E" clutch durability

Note! Always confirm your number of splines before ordering, transmission models 2011-2014 (some 2015 as well) usually has the 38 spline.

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