Exterior Components› Windshield Wipers and Washers

Dorman

TIMING BELT TENSNR

$241.88

SKU: D00I 420-100

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

Beginner — under 30 min

Description

The Dorman 420-100 timing belt tensioner is a direct replacement for specified applications, engineered to match the fit and function of the original part. Made from quality materials, it ensures reliable performance and durability.

This hydraulic automatic tensioner is recommended for replacement when installing a new timing belt and pulleys.

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 420-100

Videos

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Engine Timing Chain Guide Bolt Installation Video by Dorman Products
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How To Remove & Replace Your Serpentine Belt / Drive Belt 88-98 Chevy GMC OBS Truck | 8K
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2004 Toyota Tundra Serpentine Belt Tensioner Pulley - Bearing Replacement

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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