Engines and Components› Belts and Pulleys

Mmx

3.6L Pentastar High-Boost Belt Tensioner

$199.95

SKU: MMX-V6-BLT-TNSNR

In Stock
In Stock
Ships by Jul 30
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The MMX belt tensioner is a high-boost solution designed for 3.6L Pentastar engines. This tensioner, with its custom adapter and pulley, provides nearly double the tension of the factory unit.

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

BrandMmx
Part NumberMMX-V6-BLT-TNSNR
CategoryEngines and Components

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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