Dieselr High Performance Motor Mount Duramax LB7/LLY/LBZ/LMM 6.6L (2001-2010)
Dieselr High Performance Motor Mount Duramax LB7/LLY/LBZ/LMM 6.6L (2001-2010)
SKU: SKU:215-14000
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High Performance Motor Mount for 6.6L Duramax
The Dieselr High Performance Motor Mount Duramax LB7/LLY/LBZ/LMM 6.6L (2001-2010) is engineered to control engine movement under load while maintaining proper drivetrain alignment. Designed specifically for early-generation 6.6L Duramax platforms, this mount provides increased stability compared to worn or compliant factory units.
Built for trucks operating under towing, tuned, or high-torque conditions, it supports consistent power transfer without excessive engine deflection.
Platform Fitment
- 2001-2004 GM 6.6L Duramax LB7
- 2004.5-2005 GM 6.6L Duramax LLY
- 2006-2007 GM 6.6L Duramax LBZ
- 2007.5-2010 GM 6.6L Duramax LMM
- Chevrolet Silverado 2500HD / 3500HD
- GMC Sierra 2500HD / 3500HD
Verify engine code and model year before ordering to ensure correct fitment.
Engineering Overview
Controlled Engine Movement
Designed to limit excessive drivetrain motion during acceleration, towing, and heavy load operation.
Durable Construction
Manufactured to withstand repeated torque cycling and long-term service conditions common in diesel applications.
OE-Location Fitment
Installs in the factory motor mount position without modification to crossmember or frame mounting points.
Installation Notes
- Direct replacement motor mount
- Recommended to inspect opposing mount during service
- No tuning or calibration changes required
Installer is responsible for confirming proper torque specifications and alignment during installation.
Support
Dieselr supports drivetrain stability strategies validated under real operating conditions. Confirm overall vehicle configuration before proceeding.
Built to work the way it should.

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