DDP DDPLLY-STK DURAMAX 04.5-05 LLY INDIVIDUAL STOCK REMAN INJECTOR

The DDP DDPLLY-STK is a direct-fit, stock-style fuel line replacement kit for 2001–2005 GM 6.6L Duramax LB7 and LLY engines. Designed to replace aging or cracked factory rubber lines, this kit includes durable braided stainless diesel fuel hoses and high-quality fittings. It preserves the OEM fuel routing and works seamlessly with the factory fuel filter housing and injection system—making it ideal for maintenance or mild performance upgrades without custom modifications.

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

Works with factory-style fuel filter housing and CP3 injection pump. No tuning or ECM changes required.

Specifications:

• Brand: DDP (Diesel Dealer Pros)

• Part Number: DDPLLY-STK

• Application: Stock-style fuel line replacement

• Line Type: Diesel-rated braided stainless hose

• Fuel Compatibility: Diesel, Biodiesel

• Fittings: AN-style or OEM-adapted connections

• Routing: Factory-style configuration

• Installation: Direct bolt-in

• Made in: USA

Features & Benefits:

• Replaces brittle or leaking factory lines

• Retains OEM fuel routing – no fabrication required

• Braided for superior abrasion and heat resistance

• Compatible with stock filter housings, pumps, and injectors

• Ideal for maintenance, emissions compliance, or stock-tuned builds

 Includes:

• Pre-measured fuel lines (supply & return)

• Fittings and adapters (if needed for installation)

• Hose clamps or brackets (varies by kit)

• Installation instructions (PDF/downloadable optional)