Ignitions and Electrical Ignition Components

Denso

SPARK PLUG

$19.55

SKU: D00A 4008

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Denso 4008 is a spark plug from the U-Groove Conventional line, designed to offer consistent ignition performance. It features a U-groove ground electrode tip for improved spark exposure and quality core materials to support efficient combustion. This spark plug is built with a nickel ground electrode core and tip for durability, and a copper center electrode core for optimal conductivity. It has a standard ground configuration with a single ground electrode, a flat seat type, a 14.00 mm thread diameter, and a 12.70 mm reach.

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.

Available on iOS & Android

Specifications

BrandDenso
Part NumberD00A 4008

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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