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Fuel Injector High Pressure Line - 2004 GMC Sierra 3500 Diesel Fuel Injector Line 8 Cyl 6.6L GBR Fuel Injection

In Stock
Part # P311-50AD6D0
Manu # 7-019
Brand: GBR Fuel Injection
Condition: New
Fitment: Vehicle Engine Designation Block Engine CID CC
2004 - GMC Sierra 3500 LLY V 8 Cyl 6.6L 403 6599
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Product Details

Fuel Injector High Pressure Line

; LLY engine, VIN 2; cylinders 2 & 7 - One line required per cylinder. Recommend replacement any time injector is serviced or replaced.

Suggested Purchase Quantity: 2 Most jobs typically require 2 of this item.

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A common problem on the Duramax LLY engine is contamination of the fuel fittings resulting in injector failure when serviced. Corrosion can form between the line and injector nut and fall into the injector when the line is removed or installed. Replacing the line at time of injector replacement or service is highly recommended to reduce injector failure due to contamination. GB premium fuel lines meet or exceed critical OE performance specifications for sealing and burst pressure.

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