Replace the leaking internal harness connector seal with our improved pass-thru seal. If you are getting strange circuit codes or have noticed transmission fluid leaking from your round transmission harness connector, the 20-pin connector seal has failed.

Instead of replacing the complete harness, you can simply replace the seal in just a matter of a couple minutes. No need to drain the fluid as this repair.

Features:

• Allison Pass-Thru Connector Seal
• Simply replace the seal in just a matter of a couple minutes

Details:

• Fuel Type: Diesel
• Liter: 6.6 Liter
• Engine Manufacturer: Duramax