Ignitions and Electrical Ignition Components

Dorman

NUT INSRT HX LCK M81.0

$24.17

SKU: D00I 878-408

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item

Description

The Dorman 878-408 is a set of hex lock nuts designed for multi-purpose use. These nuts are manufactured from durable steel and undergo corrosion testing, including salt spray testing, to ensure strength and longevity. They feature a fine thread type with an M8-1.0 thread size and an 8mm height.

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

BrandDorman
Part NumberD00I 878-408

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.

View Full Return Policy