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Gates 20406 Radiator Coolant Hose - Lower or Upper
| Brand | Gates 20406 |
|---|---|
| Position | Upper |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 22 |
| Centerline Length | 559 |
| Contains Spring | No |
| End 1 Inside Diameter | 1.5 |
| End 1 Inside Diameter | 38 |
| End 2 Inside Diameter | 1.5 |
| End 2 Inside Diameter | 38 |
| Material | EPDM |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
| Product line | Molded Coolant Hose |
| Fits | Ford, BMW, Chevrolet, GMC, Jeep, and Studebaker · 6 vehicles |
OEM-quality specifications. Built to match replacement needs with a molded coolant hose design.
EPDM construction. Resists heat and coolant exposure for dependable hose performance.
Molded design. Helps route coolant cleanly in a precise replacement hose shape.
Cross-references Airtex Fuel Pumps 572, Carlson 7229 and Eastern Catalytic 41402 for the same application. See all 20.
Gates 20406 Molded Coolant Hose Overview
The Gates 20406 molded coolant hose is an OE-style radiator coolant hose built for upper coolant routing in select Ford and Chevrolet applications. Made from EPDM and formed to a molded shape, it supports direct replacement needs where the original hose follows a specific bend and length.
Compatible With 1983-1984 Ford F-250 and F-350 upper radiator and HVAC coolant hose applications, as well as 1967 Chevrolet C10 Suburban and C20 Suburban upper coolant hose routing.
Key Features
- EPDM construction for coolant-system service
- Molded hose profile for routed upper hose applications
- 1.5 in. inside diameter at both ends
- 22 in. centerline length
- No spring and no quick-connect fittings
- Direct replacement part number: 20406
Product Details
Gates Molded Coolant Hose line is built around replacement hoses shaped to match common upper, lower, bypass, heater, and other coolant-system layouts. This hose uses OEM-quality specifications and a molded form to help restore the original routing on vehicles that require a formed upper radiator hose. The Gates 20406 is a practical replacement for aging hoses on Ford F-250, Ford F-350, Chevrolet C10 Suburban, and Chevrolet C20 Suburban cooling systems.
This part cross-references Four Seasons 20406 for the same application.
Common Problems This Hose Can Address
- Cracked or hardened upper radiator hose material
- Coolant leaks at a worn hose section
- Incorrect hose shape after a previous replacement
- Restricted coolant flow caused by hose collapse or deformation
- Fitment issues when a straight hose does not match the original routing
Installation Notes and Tips
Verify end diameters, centerline length, and molded shape before installation. Inspect hose clamps, necks, and adjoining coolant components for wear or corrosion before reassembly. Confirm the hose routing matches the original upper hose path on the vehicle to avoid kinks or tension at the connection points.
Quality Assurance
Gates manufactures this molded coolant hose to OEM-quality specifications for radiator and heater hose replacement service. The molded EPDM construction and application-specific shape support accurate fitment for the listed Ford and Chevrolet vehicles.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1984 | Ford | F-250 | 7.5L | V8 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1984 | Ford | F-350 | 7.5L | V8 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1983 | Ford | F-250 | 7.5L | V8 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1983 | Ford | F-350 | 7.5L | V8 | GAS | Upper | Radiator and HVAC compatible coolant and heater hose.; Molded Coolant Hose |
| 1967 | Chevrolet | C10 Suburban | 4.6L | V8 | GAS | Upper | Molded Coolant Hose |
| 1967 | Chevrolet | C20 Suburban | 4.6L | V8 | GAS | Upper | Molded Coolant Hose |
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