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Protect your 2006–2010 GM/Chevy 6.6L Duramax LBZ or LMM engine with the Fluidampr Performance Diesel Damper (Part #830111)—the same proven technology trusted by top diesel OEMs. This premium viscous damper delivers superior, broad-range control of harmful crankshaft torsional vibrations, helping maintain optimum engine performance and long-term durability.
When upgrading for more horsepower or installing performance rotating assemblies, a Fluidampr helps safeguard internal components such as main bearings, timing gears, and crankshafts from excessive vibration. Constructed from high-grade steel and filled with long-lasting viscous silicone, each unit is CNC-machined, computer-balanced, and requires no tuning or maintenance.
Controls destructive crankshaft torsional vibrations
Extends the life of main bearings, timing gears, and crankshafts
Ideal for modified or high-performance diesel applications
Precision CNC-machined and computer balanced
Self-tuning, maintenance-free viscous design
SFI 18.1 certified for safety and performance
Includes washer; optional high-strength bolt kit available (p/n 300010)
| Specification | Detail |
|---|---|
| Part Number | 830111 |
| Fitment | 2006–2010 GM/Chevy 6.6L Duramax LBZ / LMM |
| Bore Diameter | 1.9300" |
| Degree Marking Range | TDC |
| Degree Markings | Engraved |
| Engine Balance | External |
| Finish | Black Zinc |
| Keyway | Single (5mm) |
| Length | 2.66" |
| Material | Steel |
| Mounting Hardware Included | Yes – Washer included. Recommend Fluidampr High Strength Bolt Kit p/n 300010 |
| Outside Diameter | 8-3/8" |
| Safety Rating | SFI 18.1 |
| Weight / Rotating Weight | 27.7 lbs / 18.3 lbs |
2006–2010 GM / Chevy 6.6L Duramax LBZ
2006–2010 GM / Chevy 6.6L Duramax LMM
