Engines and Components› Harmonic Balancers

SoCal Diesel

SFI Approved Duramax Diesel Super Damper Harmonic Balancer 2001 - 2005 LB7/LLY

$576.00

SKU: S06O 917371

In Stock
In Stock
Ships by Jun 11
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The SoCal Diesel 917371 (also ATI 917371) harmonic damper (Super Damper) is for 2001-2005 Chevrolet and GMC Duramax 6.6L diesel engines (LB7 and LLY). It is constructed from steel, has a 7.425-inch diameter, and features a 6-groove design. This externally balanced damper reduces torsional vibrations.

Fitment

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Specifications

BrandSoCal Diesel
Part NumberS06O 917371

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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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