







07.5-10 GM Silverado/Sierra 2500HD/3500HD 6.6L LMM Duramax Dorman Center Aluminum Intake Manifold
$173.94
- Part Number: 615-621
- Est. Ship Time: Usually Ships In 1-2 Business Days

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Fits: 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L LMM Duramax
This Dorman 615-621 Center Aluminum Intake Manifold is the perfect replacement component. A list of tests ensures this component provides factory-style fit and function. A direct fit design makes installing the component easy.
Features:
- Maintains Factory Fit & Function
- Manufactured From High-Quality Materials
- Tested To Ensure Service Life, Fit & Quality
Dorman: 615-621

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Fits: 2001-2003 GM Silverado/Sierra 2500HD/3500HD (See Applications)
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Fits: 2001-2004 GM 6.6L Duramax
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Fits: 2001-2004 GM 6.6L Duramax LB7 2500HD/3500HD | 2003-2004 GM C4500/5500 Kodiak/Topkick 6.6L Duramax LB7
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Backordered until Early June (Updated 5/9/25)
Fits: 2001-2016 Gm 6.6L Duramax LB7/LLY/LBZ/LMM/LML
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Fits: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
This Dorman Left Side Exhaust Manifold is the perfect replacement for your 2001-2016 GM 6.6L Du..
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Fits: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
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