Air and Fuel Intake Manifolds and Components

Dorman

NUT MET HEX M81.0

$31.10

SKU: D00I 431-308

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

Beginner — under 30 min

Description

The Dorman 431-308 is a hex nut with a Class 10.9 rating and M8-1.0 thread size. It features a fine thread type and is constructed from steel. This package contains 25 nuts.

It is manufactured to specific thread tolerance standards and undergoes corrosion testing, including salt spray testing, to ensure durability and resistance to corrosion. The product is backed by a team of engineers and quality control specialists in the United States.

Fitment

Fitment Guaranteed

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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

BrandDorman
Part NumberD00I 431-308

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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