Exterior Components› Body Panels and Components
Merchant Automotive
Injector Return Line Left 2004.5-2010 Duramax LLY LBZ LMM
SKU: M01D 402097
Beginner — under 30 min
Description
Made from durable materials, it resists wear, heat, and chemical degradation, ensuring a long service life. The precision fit meets or exceeds OEM specifications for seamless function in the fuel system.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Merchant Automotive |
| Part Number | M01D 402097 |
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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