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:

1. Tube: FKM fluoroelastomer rubber for low permeation and chemical resistance
2. Cover: CSM (chlorosulfonated polyethylene) resists a wide range of fuels, oils and lubricants, including biodiesel fuels
3. Reinforcement: Single-braid aramid yarn provides exceptional dimensional stability in high-temp environments
4. Exterior Cover:  CSM (chlorosulfonated polyethylene) resists heat, ozone and weather

Replaces: 

• GM Part# 12625277 and 97321372