GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C

w/GVW 8600 lbs (RPO Code C6P)

GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C
GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C
GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C
GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C
GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C
GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C
GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C
GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C
GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C
GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C
GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C
GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C

GMC Sierra Fuel Line Set 2003 1500HD Crew Cab 6.0L FL488-M2C

w/GVW 8600 lbs (RPO Code C6P)

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Shop LinesToGo for your 2003 GMC truck. Our FL488-M2C set of Sierra fuel lines are designed for 1500HD trucks with Crew Cabs

Fuel Line Set 03 Sierra 1500HD Crew Cab w/GVW 8600 lbs (RPO Code C6P) for 6.0L engines.

Please Note: Before installing your fuel line, a shipping bend will need to be removed from the lines labeled SA488K313B and SA488K313C. See the video below on how to remove the shipping bend

Nylon Lines Between Fuel Lines and Fuel Tank:

Nylon lines between the fuel line and the fuel tank are not included. We do not make the nylon lines for this vehicle. However, you can purchase a nylon repair kit, 3069-01, which will attach to your existing nylon line providing a new connector for the supply and return lines to connect to.

Nylon Installation Instructions:

Step 1

Cut the new nylon hose in the same position as the original nylon hose.

Step 2

Cut the original nylon hose in the same position as the new nylon hose.

Step 3

Use the original nylon hose with connector and attach it with supplied union to the new nylon hose.

SKU: FL488-M2C
Box Dimensions 46" x 11" x 7"

Engine to Hose Connection off Fuel Tank

1 supply line 3/8" ( in 2 easy to install sections), 1 return line 5/16” ( in 2 easy to install sections), 1 vapor line 5/16" ( in 2 easy to install sections), hoses to engine connection, hoses to join rear and front sections, 1 fuel filter

15752065

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

All hoses are made from Stainless Steel Braided Teflon with OE style fittings

Avoid Ordering The Wrong Part

1-855-781-5992 (Toll Free)

Overall rating: 4.7272725 / 5 from 11 reviews.

AI Generated Review Summary

Summary topics

Review topics: [fix, lines].

Review highlights

Reviews

They work I guess

"In the end, they get fuel to where they need to go. I would recommend getting the NYLON splicers in addition to this. I found these lines irritating, they are both too short and too long in the wrong places. The when putting the fuel filter in its corresponding bracket location, the line to from the filter to the tank is too long, and the line from the filter to the front of the truck is too short. Trying to move it to compensate means the filter is out of its bracket and unsupported. The color coordination was nice, but routing them from the top of the motor, down along the firewall/trans was a bear. For the price and shipping I cant be mad, but the product can be improved."

— Aaron T. (3/5)

Easy cheap fix for my rusty 1500HD

"I love the fuel lines, they were super easy to install without a lift, shipped all the way to Florida from Canada in 3 days"

— Daniel (5/5)

FUEL LINE KIT

"LOOKS AND FITS GREAT"

— Jason L. (5/5)

The kit fit well. Shipped

"The kit fit well. Shipped quickly . Great solution to a very rusty problem."

— Ken K. (5/5)

Nice fit. Bought the nylon

"Nice fit. Bought the nylon hoses for the rear hook ups glad I did. Quality product."

— Patrick O. (4/5)

Fuel lines fit perfectly, unbending

"Fuel lines fit perfectly, unbending the shipping bend was very easy on the kitchen table, and installed into the truck right where the OEM lines installed. The hardest part was passing the lines through the transmission tunnel. Very clean install."

— Michael G. (5/5)

good service great price

"good service great price"

— Paul S. (5/5)

Quick delivery and fit perfect.

"Quick delivery and fit perfect."

— Deann W. (5/5)

fastest shipping and great quality,

"fastest shipping and great quality, the lines are well built and a perfect fit"

— Joseph S. (5/5)

fit was decent, would have

"fit was decent, would have liked it to have retainers"

— Robert M. (5/5)

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