Product Description
The DDP DDPLB7-STK is a stock-style braided fuel line kit designed for use on 2011–2016 GM Duramax LML and LGH diesel engines. This direct-fit replacement kit features OEM-style routing with upgraded braided stainless lines for enhanced durability, flexibility, and protection against abrasion, heat, and vibration. It’s a reliable upgrade for restoring factory performance or as part of a mild build with improved fuel system longevity.
Vehicle Fitment:
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2011–2016 Chevrolet Silverado 2500HD / 3500HD – 6.6L Duramax LML
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2011–2016 GMC Sierra 2500HD / 3500HD – 6.6L Duramax LML
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2011–2016 Chevrolet Express / GMC Savana Vans – 6.6L Duramax LGH (Fleet/Commercial models)
Replaces worn OEM rubber lines with durable braided lines — same length, better protection.
Specifications:
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Brand: DDP (Diesel Dealer Pros)
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Part Number: DDPLB7-STK
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Configuration: Stock-style layout (factory-length replacement lines)
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Material: Braided stainless exterior, fuel-rated inner core
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Fittings: Pre-installed quick-connect or AN-style ends (depending on application)
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Fuel Compatibility: Diesel, ULSD, biodiesel blends, additives
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Pressure Rating: Rated for high-pressure use in factory and mild performance applications
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Application: Direct replacement for factory fuel feed/return lines
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Country of Origin: USA
Key Features:
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Direct-fit replacement for factory rubber fuel lines on LML/LGH Duramax engines
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Upgraded braided stainless construction increases resistance to wear, pressure, and heat
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Retains OEM routing for easy installation
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Includes pre-attached fittings for a clean, secure connection
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Ideal for daily drivers, tow rigs, and stock to mildly tuned builds
Recommended For:
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Maintenance replacement of worn factory fuel lines
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Preventing fuel leaks or rub-through issues
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Trucks using lift pumps, sump kits, or CP4 bypass setups
