Protect your 2011–2017 GM/Chevy 6.6L Duramax LML or LGH engine with the Fluidampr Performance Diesel Damper (Part #830121)—the same technology trusted by high-power diesel OEMs. This premium viscous damper provides superior, broad-range control of harmful crankshaft torsional vibrations to improve durability, reliability, and overall engine performance.

When upgrading your engine with performance modifications or stronger rotating assemblies, installing a Fluidampr helps reduce wear on critical internal components such as main bearings, timing gears, and crankshafts. Built with high-quality viscous silicone and precision CNC-machined, computer-balanced steel components, this damper delivers maintenance-free, consistent performance without the need for tuning or rebuilds.

Product Features

• Controls destructive crankshaft torsional vibrations

• Protects main bearings, timing gears, and crankshafts

• Designed for high-performance and upgraded diesel engines

• Precision CNC-machined and computer balanced

• Maintenance-free, no tuning or rebuild required

• SFI 18.1 certified for performance and safety

• Includes mounting washer; optional bolt kit available (p/n 300010)

Specifications

Fitment

• 2011–2017 GM / Chevy 6.6L Duramax LML

• 2011–2017 GM / Chevy 6.6L Duramax LGH