Product Description
The DDP DDPNLBZ-50 is a 50-inch stainless steel braided fuel line built for custom diesel fuel system installations on 2006–2007 GM 6.6L Duramax LBZ engines. Whether you're upgrading your fuel return system, adding a lift pump, or routing fuel between components, this premium-quality hose offers the perfect balance of length, flexibility, and durability for compact installations or tight engine bay layouts.
Vehicle Fitment:
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2006 Chevrolet Silverado 2500HD / 3500HD – 6.6L Duramax LBZ
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2006 GMC Sierra 2500HD / 3500HD – 6.6L Duramax LBZ
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2007 (Classic Body Style) Silverado / Sierra 2500HD / 3500HD – 6.6L Duramax LBZ
Designed for custom setups – not a direct OEM line replacement.
Specifications:
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Brand: DDP (Diesel Dealer Pros)
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Part Number: DDPNLBZ-50
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Length: 50 inches (4.2 feet)
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Construction: Braided stainless steel hose
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End Type: AN-style fittings (check build compatibility)
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Fuel Compatibility: ULSD Diesel, B20+, and fuel additives
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Rated Pressure: Suitable for high-pressure diesel systems
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Intended Use: Feed or return line (custom installations)
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Made in: USA
Key Features:
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Ideal for tight engine bays, return lines, or short-distance fuel routing
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Braided stainless design resists abrasion, pressure, and heat
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Compatible with aftermarket lift pumps, CP3 conversions, or regulated return kits
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Safe for biodiesel, additive-treated diesel, and high-performance fuel systems
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Trusted by diesel professionals for reliability and longevity
Common Uses:
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Return line from engine to filter head
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Short CP3 to fuel rail connections
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Lift pump to OEM feed transition
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Inline filtration loop
