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URO 1078311094 HVAC Heater Hose - Right
Mercedes-Benz 300SD Heater Hose
This URO HVAC heater hose is a direct-fit replacement for the right-side heater core to return pipe connection on 1978-1980 Mercedes-Benz 300SD models. Built to match the OE hose shape, URO 1078311094 supports a clean factory-style appearance and straightforward installation.
Key Features
- Guaranteed fitment for the listed application
- Molded to OE heater hose shape for proper routing and appearance
- Engine heat and ozone resistant construction
- ECD-resistant EPDM material helps resist electrochemical degradation
- Temperature rating from -40°F to 275°F (-40°C to 135°C)
- URO 1078311094 for Mercedes-Benz 300SD heater hose replacement
Detailed Description
URO 1078311094 is an HVAC heater hose made for the right-side heater core to return pipe connection on 1978, 1979, and 1980 Mercedes-Benz 300SD vehicles. The molded profile follows the OE hose shape, which helps maintain correct routing in the engine bay and supports a factory-correct fit. Its EPDM construction is formulated to resist heat, ozone, and electrochemical degradation that can break down rubber from the inside out.
This part cross-references URO-014518 and 107 831 1094 for the same application.
What It Helps Fix
- Cracked or hardened heater hose rubber
- Coolant seepage at the heater core to return pipe connection
- Poor hose routing caused by a misshaped replacement hose
- Heat-related hose deterioration in the engine bay
- Electrolysis-related rubber breakdown inside the hose
Installation Notes and Tips
Fits 1978-1980 Mercedes-Benz 300SD, right. Confirm the heater core to return pipe routing before installation and compare the new hose to the original part for orientation. Inspect adjacent coolant hoses, clamps, and pipe ends for wear or corrosion before reassembly.
Quality Assurance
URO 1078311094 is backed by a 24-month unlimited mileage warranty. The hose is molded for OE-style fitment and built from ECD-resistant EPDM material for long-term service in heater hose applications.
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1980 | Mercedes-Benz | 300SD | Right | Heater Core to Return Pipe |
| 1979 | Mercedes-Benz | 300SD | Right | Heater Core to Return Pipe |
| 1978 | Mercedes-Benz | 300SD | Right | Heater Core to Return Pipe |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.