DDP LLY-50 DURAMAX 04.5-05 LLY REMAN INJECTOR SET 20 PERCENT OVER 50HP

The DDP DDPLLY-50 is a 50-inch braided stainless steel diesel fuel line designed for custom fuel system upgrades or replacements on 2001–2005 GM 6.6L Duramax LB7 and LLY trucks. Built for high-performance applications, this line offers excellent durability, heat resistance, and pressure handling. Perfect for regulated return systems, custom filter installations, or CP3 conversion setups.

Vehicle Fitment:

• 2001–2004 Chevrolet Silverado 2500HD / 3500HD – 6.6L Duramax LB7

• 2004.5–2005 Chevrolet Silverado 2500HD / 3500HD – 6.6L Duramax LLY

• 2001–2004 GMC Sierra 2500HD / 3500HD – 6.6L Duramax LB7

• 2004.5–2005 GMC Sierra 2500HD / 3500HD – 6.6L Duramax LLY

Designed for custom use; not a direct OEM replacement line.

Specifications:

• Brand: DDP (Diesel Dealer Pros)

• Part Number: DDPLLY-50

• Length: 50 inches

• Construction: Braided stainless steel

• End Type: AN-style fittings (may vary)

• Fuel Compatibility: Diesel, ULSD, Biodiesel blends

• Pressure Rating: High-pressure capable

• Routing: Custom

• Made in: USA

Features & Benefits:

• Braided outer sheath resists abrasion, heat, and fuel pressure swell

• 50" length is ideal for return line extensions, remote filter plumbing, or CP3 setups

• Compatible with DDP return blocks, CP3 kits, and aftermarket fuel systems

• Long-lasting and corrosion-resistant

• Easy to route in tight engine bays or along frame rails

 Ideal For:

• Regulated return kits

• Remote filter or air/vacuum separator installs

• Upgraded fuel system plumbing

• Custom CP3 or dual CP3 feed/return setups