04.5-05 GM 6.6L Duramax DMAXStore CP3 Injection Pump Hose Kit
Available Options
Starting From $52.00
- Part Number: DMAX-5277+DMAX-1372x
- Est. Ship Time: Usually Ships in 1-2 Business Days
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Fits: 2004.5 thru 2005 Chevy Silverado/GMC Sierra 2500HD/3500HD LLY Duramax Diesel
Upgrade your LLY Fuel Injection Pump Hoses with this premium DmaxStore option to replace any cracked or worn out hoses. The DmaxStore design boasts an industry-leading, SAE 30R9 approved, 4-layer structure - far superior to the other 2 or 3 layer options available. Don't be fooled by anything less, trust in the unbeatable quality of DmaxStore.
Features:
- Industry leading, 4 Layer, SAE 30R9 design
- Temperature range -30 °F to 257 °F (-35 °C to 135 °C)
- Compatible with diesel and biodiesel fuels
- Conforms to EPA and CARB requirements
- Pre-formed hoses for your application
- Exceptionally flexible for easy routing and installation
Includes:
- 1 - CP3 Injection Pump Feed Hose
- 1 - CP3 Injection Pump Return Hose
- 4 - Hose Clamps
Optional:
Fuel Rail To Return Pipe Hose
Layers:
- Tube: FKM fluoroelastomer rubber for low permeation and chemical resistance
- Cover: CSM (chlorosulfonated polyethylene) resists a wide range of fuels, oils and lubricants, including biodiesel fuels
- Reinforcement: Single-braid aramid yarn provides exceptional dimensional stability in high-temp environments
- Exterior Cover: CSM (chlorosulfonated polyethylene) resists heat, ozone and weather
Replaces:
- GM Part# 12625277 and 97321372
DMAXStore: DMAX-5277+DMAX-1372, DMAX-5277+DMAX-1372+DMAX-1375
Fits: 2001–2004 Chevy Silverado / GMC Sierra 2500HD & 3500HD LB7 Duramax Diesel
Upgrade your LB7 Fuel Injection Pump Hoses with this prem..
$50.75
DmaxStore Complete Water Pump Replacement Kit
Fits 2001-2005 Chevy / GMC 2500HD / 3500HD
Part# DMAXWATERKIT-0105
This package deal..
$276.99
Max-Flow Arctic Radiator
Fits 2001-2005 Chevy/GMC 2500/3500 HD LB7 / LLY
Part# MAX-RAD-0105
***** Trucks Equipped with Al..
$415.00
Max-Flow High Performance Water Pump Kit
Fits 2001-2005 Silverado/Sierra LB7/LLY Duramax
Part# MAX-HPWP-0105
The Max-Flow High Performance Wa..
$409.76
Max-Flow Duramax Oil Cooler Upgrade Kit
Fits 2001-2007 LB7 LLY LBZ 6.6L Duramax & 2011-2019 LML L5P 6.6L Duramax
The Max-Flow Duramax Oil Co..
$578.25
If you're looking for a great replacement wheel bearing for your 01-07 2500HD, 3500HD or Hummer H2 DMAX store offers a high quality product that sever..
$169.99
DmaxStore XD (Xtreme Duty) Upper Control Arms
Fits 2001-2010 Chevy/GMC 2500/3500 HD and 2002-2009 Hummer H2
Part# XD-UCA-0110-OE
Dmaxsto..
$209.99
Fits 2001-2010 Chevy/GMC 2500/3500 HD & Hummer H2
Universal fit left or right side. *Sold Individually, will fit either side*
Part# DMA..
$300.99
DmaxStore Stainless Steel Brake lines
Fits 2001-2010 Chevy/GMC 2500/3500 HD
Part# XD-BrakeLines-0110
Replace your stock rubber brake lines wi..
$189.99
DmaxStore High Capacity Oil Pan
Fits 2001-2010 Chevy/GMC Duramax 2500/3500HD
Part# DMAX-OP-0110
The Duramax engine is one of the best en..
$301.98
DmaxStore Aluminum Bleeder Screw
Fits 2001-2016 Chevy / GMC 2500HD / 3500HD
Part# DMAX-BLKBS
Fits: 2001 thru 2016 Chevy Silverado/G..
$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 Fuel Filter Eliminator
Fits 2001-2016 Chevy/GMC 2500HD / 3500HD
Part# DMAX-FFD
Fits: 2001 thru 2016 Chevy Silverado/GMC Sierra..
$68.99
DmaxStore Fuel Filter Head Spacer
Fits 2001-2016 Chevy / GMC 2500HD / 3500HD
Part# DMAX-FHS-1116
GM made it a rather difficult to fit a..
$12.99
Max-Flow Down Pipe Support Bracket
Fits 2001-2016 Chevrolet/GMC Silverado/Sierra 6.6L Duramax
*See Fitment Notes Below*
Part# MAX-DPB-STOCK
..
$24.99
DmaxStore Fuel Filter Eliminator
Fits 2001-2016 Chevy/GMC 2500HD / 3500HD
Part# DMAX-FFD
Fits: 2001 thru 2016 Chevy Silverado/GMC Sierra..
$68.99
DmaxStore Fuel Filter Head Spacer
Fits 2001-2016 Chevy / GMC 2500HD / 3500HD
Part# DMAX-FHS-1116
GM made it a rather difficult to fit a..
$12.99
Bosch Passenger Side Fuel Rail for 04.5-05 GM LLY 6.6L Duramax. Includes rail pressure sensorCross reference numbers: F 00R 001 512, F0..
$226.35
LLY HIGH PRESSURE INJECTOR LINES (SET OF 8)
Fits 2004.5-2005 Chevy/GMC 2500/3500 HD
Part# DMAX825678
Brand new high quality stainless steel i..
$399.99
Backordered with no ETA (Updated 12/30/25)
OEM factory replacement driver side fuel injector return line by Bosch
Part number: 09..
$50.57
OEM factory replacement driver side fuel injector return line.
Part number: 98062291..
$133.80
Fits: 2001-2005 GM 2500HD 6.6L Duramax LB7/LLY (CREW CAB), 2001-2004 GM 2500HD 6.6L Duramax LB7/LLY (CREW CAB)
Order the Dorman Stainless Fuel Line..
$486.79
This kit is to rebuild your fuel filter base/ filter head on the 01-10 Duramax. Kit includes new seals and brass bleeder screw to reseal the factor fi..
$47.77
This fuel filter primer housing seal kit is designed to match the original components and hardware required to repair the housing on specified vehicle..
$28.85
Fits: 2001-2010 GM Silverado/ Sierra 2500HD/3500HD 6.6L Duramax LB7/LLY/LBZ/LMM/LML
This Dorman Fuel Line Cooler is the perfect part that will..
$263.23
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,..
$18.81
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
High pressure fuel pump/ exhaust gas recirculation valve installation kit for 04-05 GM LLY 6.6L Duramax.Part number: AP0128..
$54.04
Fits: 2004.5-2005 GM 6.6L Duramax LLY
Purchase the Dorman Fuel Control Actuator (FCA) for your vehicle and get a replacement component you can have..
$216.80
