Product Description
The DDP DDPLMM-100 is a 100-inch braided diesel fuel line designed for custom fuel system setups on 2007.5–2010 GM Duramax trucks equipped with the LMM 6.6L engine. This high-quality line can be used for fuel supply or return routing in builds that utilize aftermarket filters, regulators, or fuel pump relocations. Compatible with AN-style fittings, this line is perfect for performance fuel systems, regulated return setups, or CP3 conversions.
Vehicle Fitment:
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2007.5–2010 Chevrolet Silverado 2500HD / 3500HD – 6.6L Duramax LMM
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2007.5–2010 GMC Sierra 2500HD / 3500HD – 6.6L Duramax LMM
For use with aftermarket fuel system components – not a direct OEM replacement.
Specifications:
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Brand: DDP (Diesel Dealer Pros)
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Part Number: DDPLMM-100
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Length: 100 inches
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Application: Fuel supply or return line
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Fuel Compatibility: Diesel, Bio-diesel blends
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Hose Type: Braided stainless steel diesel-rated line
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End Fittings: AN (requires matching adapters, sold separately)
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Installation: Universal/custom-fit (cut-to-length optional)
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Country of Origin: USA
Features & Benefits:
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Designed for custom Duramax fuel systems (LMM platform)
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Supports high-flow demands in tuned or modified engines
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Braided for durability, abrasion resistance, and long service life
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Compatible with DDP fuel blocks, regulators, and filter kits
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Commonly used in regulated return or AirDog/FASS installs
Common Use Cases:
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Regulated return system installations
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Aftermarket fuel pump rerouting
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Dual-feed or high-flow injector upgrades
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Performance tuning and emissions-modified setups
