Engines and Components› Oiling Systems

Merchant Automotive

Engine Oil Pump LML 2011-2013

$337.17

SKU: M01D 12644591

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Merchant 12644591 Engine Oil Pump is a direct replacement designed to restore and maintain proper oil pressure in 2011–2016 GM 2500HD or 3500HD 6.6L Duramax LML engines. It is recommended during major engine repairs, turbo failure, or crankshaft replacement. This pump is built to meet or exceed OEM specifications, ensuring consistent oil flow under high-load and high-temperature conditions.

Fitment

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Specifications

BrandMerchant Automotive
Part NumberM01D 12644591

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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