Heater Hose Connector for 6.6L Duramax LB7 LLY LBZ LMM LML for Chevy Silverado for GMC Sierra 2001-2014
Details
| Model | Year Range | Engine |
|---|---|---|
| for Chevy Silverado 2500 HD, Silverado 3500 HD, Silverado 3500 Chassis Cab | 2001- 2014 | 6.6L Duramax Diesel LB7 LLY LBZ LMM LML |
| for Chevy Express 3500 | 2003-2014 | 6.6L Duramax Diesel |
| for GMC Sierra 2500 HD, Sierra 3500 HD, Sierra 3500 Chassis Cab | 2001-2014 | 6.6L Duramax Diesel LB7 LLY LBZ LMM LML |
| for GMC Savana 3500 | 2003-2014 | 6.6L Duramax Diesel |
Product Overview
This coolant connector is designed for the heater hose connection at the heater core. It replaces cracked, leaking, worn, or damaged factory style fittings and helps restore a secure connection between the heater hose and the heater core on compatible 6.6L Duramax Diesel vehicles.
- Brand: EGR Performance
- Part type: Heater hose connector and coolant connector
- Connector position: Heater core inlet and outlet application where the matching connector is used
- Fitment type: Direct replacement style
- Quick connect system: Yes
- Package quantity: 1 connector
Common Faults & Replacement Symptoms
- Coolant seepage or visible coolant leak at the heater core quick disconnect on for Chevy Silverado HD or for GMC Sierra HD 6.6L Duramax Diesel.
- Cracked plastic coolant connector body causing coolant odor, residue, or wetness near the heater hose connection.
- Loose heater hose connection at the heater core after the original fitting becomes worn or damaged.
- Low coolant level or repeated coolant top off needs caused by a leaking heater hose connector.
- Reduced cabin heat if coolant loss or air entry affects normal heater core circulation.
- Engine temperature concerns if coolant loss is severe and not corrected promptly.
- This heater hose connector normally does not create a specific diagnostic trouble code by itself, but coolant loss can contribute to overheating related warnings.
- Use this part only when the vehicle, engine, and replacement for OEM number match the application.
Ideal For
- DIY owners repairing a leaking heater core hose connector on for Chevy Silverado or for GMC Sierra 6.6L Duramax Diesel trucks.
- Professional technicians servicing heater hose quick disconnect fittings on compatible HD diesel pickups and 3500 vans.
- Fleet maintenance teams replacing worn coolant connectors on for Chevy Express 3500 or for GMC Savana 3500 Duramax vehicles.
- Buyers needing a black plastic straight fitting with quick disconnect and hose barb ends.
Shipping Details
Package List
Delivery Time
2-5 working days inland in the United States
Product details
- Dispatch Time: Orders will be shipped within 24 hours after successful payment.
- Delivery Time: 2-5 business days after dispatch (delivery speed depends on proximity to warehouse location).
- Return Window:7 days for unsatisfactory items45 days for quality-related issues
- Refund Processing: Refunds will be processed back to your original payment method within 2-4 business days after receiving the automated refund confirmation email (subject to bank verification).