Fleece Performance

Fleece Performance 11-16 GM 2500-3500 Duramax Fuel Rail Pressure Harness - FPE-HAR-DMAX-LML-RP

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SKU:
FPEFPE-HAR-DMAX-LML-RP
UPC:
670875719415
MPN:
FPE-HAR-DMAX-LML-RP
Availability:
Regularly stocked product
$69.99
Frequently bought together:

Description

What are the GM Part Numbers this harness is a direct replacement for?
This FPE Extension Harness directly replaces GM Part Numbers 12647115 and 12638158 for guaranteed fit and function on your Duramax.

How is the installation of this harness?
Achieve a seamless connection with this plug-and-play wiring harness, eliminating wiring headaches for a truly direct OEM replacement experience.

Fleece Performance Extension Harnesses offer guaranteed fitment for 2011-2016 6.6L Duramax trucks, directly replacing GM Part Numbers 12647115 and 12638158. This fuel rail pressure harness routes underneath the turbocharger to ensure optimal fuel delivery for consistent engine performance. Experience restoration of factory-level reliability for your powerful Duramax engine with this crucial wiring harness.

Key Features

  • Fuel Rail Pressure harness
  • 2011-2016 6.6L Duramax
  • direct replacement for GM Part Numbers 12647115 and 12638158
  • routes underneath the turbocharger
  • connects to the main chassis harness

Why Choose the FPE Extension Harnesses

Ensures optimal fuel delivery for consistent engine performance.

Restores factory-level reliability for your powerful Duramax engine.

Achieves a seamless connection, eliminating wiring headaches.

Provides a secure and protected routing for critical engine signals.

Who Is This For?

Easy DIY Install — 10/10
Plug-and-play, direct OEM replacement.

Heavy Towing — 8/10
Ensures proper fuel rail pressure sensor function.

Street Performance — 7/10
Maintains optimal fuel system operation.

Engine Performance — 7/10
Critical for accurate fuel pressure readings.

Daily Driving Comfort — 6/10
Contributes to smooth engine operation.

Additional Resources

Official Fleece Performance Product Page

Installation Guide (PDF)

Important Notices

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Additional Information

Clearance Item:
N
MPN:
FPE-HAR-DMAX-LML-RP
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Engine Components>Wiring Harnesses
Install Type:
Plug and Play
Product Level:
OEM Replacement
Easy DIY Install:
10/10
Heavy Towing:
8/10
Street Performance:
7/10
Engine Performance:
7/10
Daily Driving Comfort:
6/10
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