01-16 GM 6.6L Duramax DHD Add On Belt Idler Kit
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Starting From $119.95
- Part Number: 800-155x
- Est. Ship Time: Usually Ships By Next Business Day

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Stabilize your serpentine belt under high load and high rpm with DHD's add-on belt idler kit. These kits require no belt changes and no modification to belt routing. Simple 1 bolt installation in a factory hole.
Features:
- Increases Belt to Balancer Contact
- Bridges Gap in Belt Routing
- Easy 1 Bolt Install
- Kit Includes Pulley, Stand Off, Bolt and Tap
Fitment:
Use the menu above to select your engine model.
- DHD# 800-155A Short Standoff - LB7, LLY, LBZ, LMM (2001-2010)
- DHD# 800-155B Long Standoff - LML (2011-2016)
Dirty Hooker Diesel: 800-155A, 800-155B

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