04.5-05 GM 6.6L Duramax DMAXStore CP3 Injection Pump Hose Kit
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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 thru 2004 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7 Duramax Diesel
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Fuel filter delete hose if using Fass, AirDog, or similar setup.
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