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Gates 20357 Radiator Coolant Hose - Lower, Lower Rear or Upper
| Brand | Gates 20357 |
|---|---|
| Position | Lower Rear |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 7.9 |
| Centerline Length | 201 |
| Contains Spring | No |
| End 1 Inside Diameter | 1.75 |
| End 1 Inside Diameter | 44 |
| End 2 Inside Diameter | 1.75 |
| End 2 Inside Diameter | 44 |
| Material | EPDM |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
| Product line | Molded Coolant Hose |
| Fits | International and Chevrolet · 3 vehicles |
OEM-quality specifications. Molded coolant hose built for dependable replacement fit.
EPDM construction. Resists heat and coolant exposure for long service life.
Molded design. Helps route coolant cleanly through the system.
Cross-references Carlson 7197, Continental 60117 and Dayco 70192 for the same application. See all 96.
Gates 20357 Molded Coolant Hose
The Gates 20357 molded coolant hose is built for radiator coolant routing in select Chevrolet Corvette applications. It uses EPDM construction and molded OE-style shaping to match the original hose path for upper, lower, bypass, heater, and related cooling system locations.
Gates Molded Coolant Hose line covers a wide range of replacement cooling applications with OEM-quality specifications, helping reduce the time spent sourcing a dealer-only radiator hose replacement. For 1971-1973 Chevrolet Corvette cooling system service, this hose supports direct replacement needs where the original routing and formed shape matter.
Key Features
- EPDM rubber construction for coolant system service
- Molded design for accurate hose routing
- 1.75 in. inside diameter at both ends
- 7.9 in. centerline length
- No spring and no quick-connect fittings
- OE-style replacement for radiator coolant hose applications
Product Details
Part number 20357 is a molded radiator coolant hose from Gates Molded Coolant Hose, a product line focused on formed replacement hoses for cooling-system service. The hose is shaped to follow the factory-style path and is specified for lower rear and lower coolant routing on the Chevrolet Corvette. This part cross-references Continental 60117 for the same application.
Compatible With 1973 Chevrolet Corvette, lower rear. Compatible With 1971-1972 Chevrolet Corvette, lower. Use part number 20357 when replacing a formed coolant hose that must maintain the original bend profile and end sizing in the cooling circuit.
Common Problems This Hose Can Address
- Cracked or aged radiator coolant hose material
- Coolant leaks at a formed hose section
- Incorrect hose routing after prior repairs
- Fitment issues from using a universal straight hose
- Cooling system service on a Chevrolet Corvette with factory-style hose geometry
Installation Notes and Tips
Verify end diameters, centerline length, and molded shape against the removed hose before installation. Inspect adjoining necks, clamps, and coolant passages for wear or corrosion, and flush the cooling system if contamination is present. Confirm the hose routing matches the original lower or lower rear position on the Chevrolet Corvette before filling and bleeding the system.
Quality Assurance
Gates manufactures this molded coolant hose to OEM-quality specifications for formed cooling-system replacement. The EPDM construction and molded profile are intended to support accurate fitment in the specified Chevrolet Corvette applications.
| Year | Make | Model | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1973 | Chevrolet | Corvette | — | 7.4L | V8 | GAS | Lower Rear | Cut-to-size heater hose suitable for air conditioning systems.; Molded Coolant Hose |
| 1972 | Chevrolet | Corvette | Manual | 7.4L | V8 | GAS | Lower | W/A.C.; W/O Hi Perf. Eng.; Molded Coolant Hose |
| 1971 | Chevrolet | Corvette | Manual | 7.4L | V8 | GAS | Lower | W/A.C.; W/O Hi Perf. Eng.; Molded Coolant Hose |
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