11-16 GM LML 6.6L Duramax Fleece Fuel Rail Pressure Harness
$69.99
- Part Number: FPE-HAR-DMAX-LML-RP
- Est. Ship Time: Usually Ships By Next Business Day

SSL SECURE
TRANSACTION

AUTHENTIC
PRODUCTS

GUARANTEED PREMIUM
QUALITY

A+ Rating
More from this brand
Starting From $1,999.00
Starting From $99.75
Starting From $1,847.50
Fleece Fuel Rail Pressure harness for the 2011-2016 6.6L Duramax is a direct replacement for GM Part Numbers 12647115 and 12638158. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck back on the road quickly.
Replaces discontinued GM part number: 12647115 and 12638158
Application notes:
- 2011-2016 6.6L Duramax Fuel Rail Pressure Harness - This harness routes underneath the turbocharger and connects to the main chassis harness.
Fleece: FPE-HAR-DMAX-LML-RP

Fleece Cheetah Turbo - FPE-LB7-63
Unleash the Power of Your Engine with the Fleece Cheetah Turbo!
Experience unmatched performance and revolutioni..
$1,999.00
Increase your LB7’s potential with this simple but effective upgrade. Back-to-back dyno pulls showed an increase of 15hp with this Fleece Perfor..
$99.75
Fleece Performance Cheetah Turbo: The Powerhouse Upgrade for Hardworking Trucks
When it comes to handling the heavy lifting, your 2003 to 2007 Dodge ..
$1,847.50
The Ford 6.0L VNT Cheetah Turbocharger is highly regarded as an excellent turbo replacement for several reasons, particularly for the 2004.5-2007 6.0L..
$1,979.00
Upgrading to the Fleece Cheetah turbo on your LLY Duramax can offer several benefits depending on your goals and how you use your truck. Her..
$2,599.00
Is the Fleece Cheetah turbo a good replacement for my failing stock turbo on my 6.7L Cummins? What other upgrades would make the Fleece Cheetah Turbo ..
$2,999.00
Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines..
$62.99
Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines..
$62.99
Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines..
$62.99
Replacement high pressure fuel lines from Fleece Performance. These are a direct replacement for your cracked, broken, or leaking injector lines..
$62.99
Installing a Fleece Cheetah Turbo on your LML Duramax can significantly enhance the engine's performance by providing a more efficient airflow compare..
$2,649.00
What's a good replacement turbo for my 2013 Ram 3500? Should I consider the Fleece Cheetah turbo? If I install the Fleece 63mm Cheetah turbo, what oth..
$2,999.00
The Fleece Cheetah turbo is definitely a solid choice if your stock turbo on your 2015 Powerstroke has failed. It's built to handle higher boost level..
$2,699.00
My stock turbo already failed on my 2020 ram 6.7L Cummins. Is there a better replacement turbo that will last longer? If I chose the Fleece Cheetah tu..
$3,099.00
The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance. The PowerFlo is the on..
$799.00
6.6L LML Duramax Stock Bosch Reman Fuel Injector
Fits 2011-2016 GM 6.6L Duramax diesel equipped vehicles
Don't be fooled by knock-offs, cheap..
$244.78
6.6L LML Duramax New Stock Bosch Fuel InjectorFits 2011-2016 GM 6.6L Duramax diesel equipped pickup trucks. Does NOT fit Van or Cab & Chassis..
$327.89
The XDP Duramax 6.6L LML Fuel Contamination Kit XD517 is an all-inclusive kit that provides everything you need to get your 2011-2016 GM 6.6L Duramax ..
$3,975.95
This diesel fuel filter bleeder screw is designed to match the fit and function of the original part on specified vehicles. Made of quality materials,..
$17.11
Direct Replacement for the OEM pump found on Cab & Chassis Duramax trucks. Part number: AP63442..
$80.61
DmaxStore Aluminum Bleeder ScrewFits 2001-2016 Chevy / GMC 2500HD / 3500HDPart# DMAX-BLKBSReplace your worn or stripped plastic fuel bleede..
$12.99
DmaxStore Billet Filter Head Plunger Delete
Fits 2001-2016 Chevy/GMC 2500HD/3500HD 6.6L Duramax
Part# DMAX-FHPD
When installing a&n..
$49.99
DmaxStore CAT Fuel Filter AdapterFits 2001-2016 Chevy/GMC 2500HD/3500HD Part# DMAX-FHA-1Features:1 piece design cut from aerospace grade anodized..
$69.99
DmaxStore CAT Fuel Filter Adapter With CAT 2 Micron FilterFits 2001-2016 Chevy/GMC 2500/3500 HD Duramax DieselsPart# DMAX-FHA-2Features:1 piece design..
$98.99
DmaxStore Fuel Filter EliminatorFits 2001-2016 Chevy/GMC 2500HD / 3500HDPart# DMAX-FFDAfter installing an aftermarket fuel filtration mechanism s..
$68.99
DmaxStore Fuel Filter Head SpacerFits 2001-2016 Chevy / GMC 2500HD / 3500HD Part# DMAX-FHSGM made it a rather difficult to fit a filter wrench ar..
$12.99
Replacement CP3 adapter machined from billet aluminum for the 2001-2016 GM Duramax. Includes new O-rings for the CP3 pump snout and CP3 adapter...
$66.49
If you’re running an aftermarket positive displacement lift pump like our PowerFlo on your Duramax our fuel primer bulb sealing kit will allow y..
$49.99
Dual Fueler Race Valve (M20-1.5 to M14-1.5) included in the PPE Dual Fueler Kits for GM 6.6L Duramax diesel engines and is available sold separately.P..
$89.99
Backordered 5-6 weeks (Updated 4/30/25)
Fits: 2004.5-2016 GM 6.6L Duramax LLY/LBZ/LMM/LML
The PurePower Injector Hold Down Kit is an exact fit t..
$32.57