Exterior Components Body Panels and Components

Merchant Automotive

Glow Plug LLY

$59.37

SKU: M01D 63G

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Merchant 63G Glow Plug is a direct replacement designed for cold weather diesel starts in 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax LLY engine. It improves engine startup reliability, helps reduce hard starting issues, and can prevent cold-weather check engine lights. This glow plug is a critical component for winter performance, offering OEM-style fit and function to ensure smooth cold starts.

Fitment

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Specifications

BrandMerchant Automotive
Part NumberM01D 63G

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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