By-Pass Hose - GM (55514219)
Details
- Brand:
- SKU:
55514219
- Other Names:
Outlet Hose, Hoses, Hose
- Description: GM Genuine Parts Thermostat Bypass Hose (Part Number: 55514219) is an engine coolant hose assembly used in thermostat bypass circuits.
- Function: Routes coolant around the thermostat housing to maintain proper engine oil cooler and coolant system flow.
- Application notes: Manufacturer lists fitment for several Silverado/Sierra and full-size GM models; includes related connectors or T-connects where specified.
- Use case: Replace when hose is cracked, hardened, or leaking to restore coolant circulation and prevent overheating.
- Also known as: Outlet Hose
Purchase via World Parts Direct — a U.S. enterprise providing competitive pricing, OEM-fit parts, and a compatibility guarantee backed by expert support.
- Applications: 3.0L Diesel.
- Replaces:
55492655
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Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
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