Keep fuel moving cleanly through the injection system with the SKP Fuel Injector Line SK904123 — the return (left) fuel line for your heavy-duty pickup. It installs as a direct-fit replacement for the listed applications, including the 2004-2007 Chevrolet C4500 Kodiak and C5500 Kodiak, 2004-2010 Chevrolet Silverado 2500 HD, 2004-2006 Chevrolet Silverado 3500, 2007-2010 Chevrolet Silverado 3500 HD, 2004-2007 GMC C4500 Topkick and C5500 Topkick, 2004-2010 GMC Sierra 2500 HD, and 2007-2010 GMC Sierra 3500 HD — see the Buyer's Guide tab for the full list.
Diagnose the source of any fuel leak before ordering, and consult the vehicle service information for the correct routing and fittings during installation.
Interchange: 98062291 · 904123 · 904-123
Manufacturer part number SK904123
This part cross-references / interchanges with the following part numbers:
What is the SKP SK904123?
It's a fuel injector line — the return (left) line that routes fuel through the fuel injection system on the listed heavy-duty Chevrolet and GMC trucks.
Which vehicles does it fit?
It's a direct-fit replacement for select 2004-2010 Chevrolet Silverado 2500 HD/3500/3500 HD, C4500/C5500 Kodiak, and GMC Sierra 2500 HD/3500/3500 HD and C4500/C5500 Topkick. See the Buyer's Guide tab for the full list.
Is this a supply or return line?
It is cataloged as the return (left) fuel line for the listed applications.
What are signs this line may need replacing?
A fuel odor, visible fuel seepage or wetness along the line, or hard starting. If a leaking or damaged return line is the cause, replacing it with this part addresses that.
What numbers does it replace?
It interchanges with 98062291, 904123, and 904-123. Its own manufacturer part number is SK904123.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
