Fits: 2011 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LML Duramax Diesel

Replace these two feed & return hoses when replacing the CP4 injection pump, fuel pressure regulator or on their own. These lines can start to break down & leak over time, we recommend replacement with any of the above repairs or as maintenance if you have access.

Includes:

• (1) Front feed line, Part# 12636270
• (1) Fuel return line, Part# 12636276
• (4) Hose clamps