Heating and Cooling› Water Pumps
Merchant Automotive
Rear Cover Coolant Seal Kit Duramax 2011 - 2016
SKU: M01D 20309
Easy — 1–2 hours
Description
It is ideal for maintaining or restoring the reliability of the GM Duramax LML 6.6L engine's cooling system.
Fitment
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Available on iOS & Android
Specifications
| Brand | Merchant Automotive |
| Part Number | M01D 20309 |
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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