TRANSMISSION

Merchant Auto Transmission Rear Housing Support For 11-19 Gm 6.6l Duramax 10357The Merchant Automotive 10357 Transmission Rear Housing Support for your 2011-2019 GM 6.6L Duramax can help keep your Allison four wheel drive housing from cracking in...

Merchant Auto Deep Filter Lock For 2001-2018 Gm 6.6l Duramax 10690The Merchant Automotive 10690 Deep Filter Lock keeps the Allison deep filter "Locked" in place on your 2001-2018 GM 6.6L Duramax. Using factory bolts, this specially designed lock...