# Fluidampr 2020+ GM 6.6L Duramax Steel Externally Balanced Damper

Serious power requires a serious damper. Protect your truck engine with the technology preferred by heavy duty diesel OEMs. Superior viscous damper design controls harmful torsional vibration across the entire rpm range. Reduce wear on engine components. Reduce risk of crankshaft failure. Improve timing. Unleash lost torque and horsepower. Competition built precision CNC machined and balanced high-grade steel components. Corrosion resistant black zinc finish with engraved timing mark. No maintenance required. Trusted by leading performance diesel engine builders worldwide. SFI 18.1 certified. Made in USA.

-   Removable hard coat anodized aluminum fan pulley
-   SFI 18.1 spec. Race proven for over 35 years.
-   Reduce wear on critical engine parts
-   Reduce risk of crankshaft failure
-   Unleash lost torque & horsepower
-   Broad RPM range protection
-   Made in USA.

This Part Fits:

Year

Make

Model

Submodel

2021-2026

Chevrolet

Silverado 2500 HD

Custom

2020-2026

Chevrolet

Silverado 2500 HD

High Country

2020-2026

Chevrolet

Silverado 2500 HD

LT

2020-2026

Chevrolet

Silverado 2500 HD

LTZ

2020-2026

Chevrolet

Silverado 2500 HD

WT

2024-2026

Chevrolet

Silverado 2500 HD

ZR2

2020-2026

Chevrolet

Silverado 3500 HD

High Country

2020-2026

Chevrolet

Silverado 3500 HD

LT

2020-2026

Chevrolet

Silverado 3500 HD

LTZ

2020-2026

Chevrolet

Silverado 3500 HD

WT

2020-2026

GMC

Sierra 2500 HD

AT4

2024-2026

GMC

Sierra 2500 HD

AT4X

2020-2021

GMC

Sierra 2500 HD

Base

2020-2026

GMC

Sierra 2500 HD

Denali

2024-2026

GMC

Sierra 2500 HD

Denali Ultimate

2022-2026

GMC

Sierra 2500 HD

Pro

2020-2026

GMC

Sierra 2500 HD

SLE

2020-2026

GMC

Sierra 2500 HD

SLT

2020-2026

GMC

Sierra 3500 HD

AT4

2020-2021

GMC

Sierra 3500 HD

Base

2020-2026

GMC

Sierra 3500 HD

Denali

2024-2026

GMC

Sierra 3500 HD

Denali Ultimate

2022-2026

GMC

Sierra 3500 HD

Pro

2020-2026

GMC

Sierra 3500 HD

SLE

2020-2026

GMC

Sierra 3500 HD

SLT

## Details

- **Price:** 987.45 CAD
- **Vendor:** Fluidampr
- **Type:** Crankshaft Dampers

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 987.45 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/fluidampr-2020-gm-6-6l-duramax-steel-externally-balanced-damper)
> Updated: 2026-06-28