Exterior Components› Body Panels and Components

Merchant Automotive

~(1 lbs. 10X5X1)~ Injector Return Line Right 2004.5-2010 Duramax LLY LBZ LMM

$60.80

SKU: M01D 400552

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In Stock
Ships by Aug 5
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 400552

~(1 lbs. 10X5X1)~ Injector Return Line Right 2004.5-2010 Duramax LLY LBZ LMM

MIA's Description

The Merchant Automotive Injector Return Line is a direct replacement part for the 2004.5-2010 GM Duramax 6.6L LLY/LBZ/LMM. This return line is made from durable materials to resist wear, heat, and chemical degradation.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandMerchant Automotive
Part NumberM01D 400552

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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