Name: GMC TopKick Intermediate Fuel Line Set 2009 C4500/C5500 w/165.5" WB 6.6L FL688-W2D
Brand: Lines - To - Go
SKU: FL688-W2D
Price: 294.95 USD
Availability: InStock

Year Make & Model

GMC TopKick Intermediate Fuel Line Set 2009 C4500/C5500 w/165.5" WB 6.6L FL688-W2D

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Save $73.74

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Shop LinesToGo for 2009 GMC TopKick fuel lines - C4500/C5500 w/165.5" WB w/Rear Mount Tank Only for 6.6L Duramax Diesel engines.

SKU: FL688-W2D

Weight: 4
Installation Instructions

Box Dimensions 67" x 6" x 4"

How to use Quick Disconnect Tool

Hose Connections at Front Fuel Line to Hose Connections at Rear Fuel Line

1 supply line 1/2" (in 2 easy to install sections), 1 return line 3/8" (in 2 easy to install sections), 2 unions

25893368, 25893393

Lines are constructed from Galfan® coated tubing for rust protection with original equipment end forms and fittings and are CNC (Computer Numerically Controlled) bent for an easy precise installation.

Need Assistance? Call us toll free 1-855-781-5992

We'll make sure you're ordering the correct part and we can take your order for you too.

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05/21/25

William S.

09/29/24

Great

The team was great to work with.They made sure that I had the right part.The parts were great and fit perfect. Good quality.I would definitely order from them again. Delivery was next day.

On LinesToGo.com

Matt R.

05/16/25

Top notch product!

Recently purchased at set of fuel lines for my 1992 f350 7. 3L . Amazing quality ! I'm super thrilled with the service. Can't ask for much more.

Ted E.

07/12/24

Perfect fit fuel lines 02 Avalanche 2500 !

I bought the complete set of fuel lines for a 02 Avalanche 2500. All high quality OEM style product. It took longer to remove old lines than to install new ones. Remember to install new fuel pumps and filters during installation. Great Canadian company where I will buy all my lines from.

Michael K.

05/20/25

Shipped the next day. Quality

Shipped the next day. Quality was excellent, great video and instructions online. Working with a rusty frame and parts created issues, but the stainless steel flexible lines off the engine where the way to go. Too bad both the lines weren't flexible the whole way back to the connections to the fuel tank. That would have been the best solution. Som...Read More

ething to think about Linestogo? Read Less

Steven C.

05/19/25

Quick delivery and items were

Quick delivery and items were packaged well. Everything was perfect when arrived.

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GMC TopKick Intermediate Fuel Line Set 2009 C4500/C5500 w/165.5" WB 6.6L FL688-W2D

w/Rear Mount Tank Only

GMC TopKick Intermediate Fuel Line Set 2009 C4500/C5500 w/165.5" WB 6.6L FL688-W2D

w/Rear Mount Tank Only

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GMC TopKick Intermediate Fuel Line Set 2009 C4500/C5500 w/165.5" WB 6.6L FL688-W2D

w/Rear Mount Tank Only

GMC TopKick Intermediate Fuel Line Set 2009 C4500/C5500 w/165.5" WB 6.6L FL688-W2D

w/Rear Mount Tank Only

Delivery Time & Rates

Overview

Video Instructions

Location

What's Included

OEM Part Numbers

Tube Construction

Complete The Job With

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