Engines and Components Belts and Pulleys

Dorman

IDLER PULLEY

$38.26

SKU: D00I 419-637

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

IDLER PULLEY

MIA's Description

The Dorman 419-637 is a replacement accessory drive belt idler pulley. This pulley restores critical vehicle operations.

This pulley is designed as a direct replacement, meaning it matches the fit and function of the original equipment pulley. It helps fix issues such as failed, squealing, or groaning noises from a worn idler pulley. The product is application-specific, reverse-engineered from the original design for certain vehicle years, makes, and models. It is backed by a limited lifetime warranty.

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 419-637

Videos

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