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Dayco 81381 Radiator Coolant Hose - Lower or Upper
Overview of Dayco Flex Radiator Hose 81381
The Dayco Flex Radiator Hose 81381 is designed to provide reliable coolant flow for a range of classic and utility vehicles. Engineered for durability and compatibility, this radiator coolant hose supports proper engine temperature regulation in Chevrolet, Ford, Mercury, and Oldsmobile models.
- Durable construction for long-lasting performance
- Compatible with multiple Chevrolet, Ford, Mercury, and Oldsmobile models
- Designed to maintain optimal coolant flow and prevent leaks
- Part number 81381 ensures precise fitment
- Part of the Dayco Flex Radiator Hose product line
About the Dayco Flex Radiator Hose Product Line
The Flex Radiator Hose line by Dayco focuses on delivering flexible, heat-resistant hoses that maintain coolant system integrity under varying engine conditions. This product line is engineered to meet the demands of both vintage and utility vehicles, providing a balance of flexibility and durability. The 81381 hose is part of this line, ensuring it meets Dayco's standards for radiator coolant hoses.
Detailed Product Description
The Dayco Flex Radiator Hose 81381 is a radiator coolant hose designed to fit a variety of vehicles including Chevrolet Camaro, Nova, and Delta 88; Ford F-350 and Econoline series; Mercury Marauder and Marquis; and Oldsmobile Cutlass and Toronado models. This hose is engineered to withstand the heat and pressure of the cooling system, helping to prevent leaks and maintain consistent coolant flow. Its flexible design allows for easier installation and better accommodation of engine movement.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses
- Prevention of coolant leaks that can cause engine overheating
- Restoration of proper coolant flow in Chevrolet Camaro and Ford Econoline vehicles
- Maintenance of cooling system integrity in Mercury and Oldsmobile models
- Addressing hose failures due to age or heat damage
Installation Notes and Tips
When installing the Dayco Flex Radiator Hose 81381, ensure the engine is cool before removal of the old hose. Verify compatibility with your specific vehicle model and engine type. Use proper clamps to secure the hose and check for any signs of wear or damage on adjacent components. It is recommended to inspect the entire cooling system during installation to prevent future issues.
Quality Assurance and Warranty
Dayco manufactures the Flex Radiator Hose 81381 to meet industry standards for durability and performance. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to ensure reliability in automotive cooling systems.
This part fits 98 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1990 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | w/o Eng. Oil Cooler; Flex Radiator Hose |
| 1990 | Ford | E-350 Econoline | 7.5L | V8 | Lower | w/o Eng. Oil Cooler; Flex Radiator Hose |
| 1990 | Ford | E-350 Econoline Club Wagon | 7.5L | V8 | Lower | w/o Eng. Oil Cooler; Flex Radiator Hose |
| 1989 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1989 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1989 | Ford | E-350 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1988 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1988 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1988 | Ford | E-350 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1987 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1987 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1987 | Ford | E-350 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1986 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1986 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1986 | Ford | E-350 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1985 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1985 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1985 | Ford | E-350 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1984 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1984 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1984 | Ford | E-350 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1983 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1983 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1983 | Ford | E-350 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1982 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1982 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1982 | Ford | E-350 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1981 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1981 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1981 | Ford | E-350 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1979 | Ford | E-250 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1979 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1979 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1979 | Ford | E-350 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1978 | Ford | E-100 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1978 | Ford | E-250 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1978 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1978 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1978 | Ford | E-350 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1977 | Ford | E-250 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1977 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1977 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1977 | Ford | E-350 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1976 | Ford | E-250 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1976 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1976 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1975 | Ford | E-250 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1975 | Ford | E-250 Econoline Club Wagon | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1975 | Ford | E-350 Econoline | 7.5L | V8 | Lower | Flex Radiator Hose |
| 1971 | Ford | LTD | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1970 | Ford | LTD | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1970 | Mercury | Colony Park | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1970 | Mercury | Marauder | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1970 | Mercury | Marquis | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1969 | Chevrolet | Camaro | 6.5L | V8 | Lower | 2 In. Water Pump Inlet; Flex Radiator Hose |
| 1969 | Chevrolet | Nova | 6.5L | V8 | Lower | 2 In. Water Pump Inlet; Flex Radiator Hose |
| 1969 | Ford | LTD | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1969 | Ford | Thunderbird | 7.0L | V8 | Lower | Flex Radiator Hose |
| 1968 | Chevrolet | Camaro | 6.5L | V8 | Lower | 2 In. Water Pump Inlet; Flex Radiator Hose |
| 1968 | Ford | LTD | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1968 | Ford | LTD | 7.0L | V8 | Lower | Flex Radiator Hose |
| 1968 | Ford | Thunderbird | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1968 | Ford | Thunderbird | 7.0L | V8 | Lower | Flex Radiator Hose |
| 1968 | Mercury | Marquis | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1968 | Mercury | Marquis | 7.0L | V8 | Lower | Flex Radiator Hose |
| 1967 | Chevrolet | Camaro | 6.5L | V8 | Lower | 2 In. Water Pump Inlet; Flex Radiator Hose |
| 1967 | Ford | Thunderbird | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1967 | Ford | Thunderbird | 7.0L | V8 | Lower | Flex Radiator Hose |
| 1967 | Mercury | Colony Park | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1967 | Mercury | Marquis | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1967 | Mercury | Marquis | 6.7L | V8 | Lower | Flex Radiator Hose |
| 1967 | Oldsmobile | 98 | Lower | Fits vehicles without air conditioning.; Flex Radiator Hose | ||
| 1967 | Oldsmobile | Cutlass | 6.6L | V8 | Lower | Flex Radiator Hose |
| 1967 | Oldsmobile | Cutlass | 5.4L | V8 | Lower | Flex Radiator Hose |
| 1967 | Oldsmobile | Cutlass Supreme | Lower | Flex Radiator Hose | ||
| 1967 | Oldsmobile | Delta 88 | 7.0L | V8 | Lower | Fits vehicles without air conditioning.; Flex Radiator Hose |
| 1967 | Oldsmobile | Toronado | 7.0L | V8 | Lower | w/A.P.; Flex Radiator Hose |
| 1966 | Ford | F-350 | 5.8L | V8 | Upper | Dual Rear Wheel; Flex Radiator Hose |
| 1966 | Mercury | Colony Park | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1966 | Mercury | Marauder | 6.4L | V8 | Lower | Flex Radiator Hose |
| 1966 | Oldsmobile | 98 | Lower | Flex Radiator Hose | ||
| 1966 | Oldsmobile | Cutlass | 6.6L | V8 | Lower | w/A.C., w/o A.P.; Flex Radiator Hose |
| 1966 | Oldsmobile | Cutlass | 6.6L | V8 | Lower | w/A.P.; Flex Radiator Hose |
| 1966 | Oldsmobile | Cutlass | 6.6L | V8 | Lower | w/o A.C., w/o A.P.; Flex Radiator Hose |
| 1966 | Oldsmobile | Cutlass | 5.4L | V8 | Lower | Flex Radiator Hose |
| 1966 | Oldsmobile | Delta 88 | Lower | Flex Radiator Hose | ||
| 1966 | Oldsmobile | Toronado | 7.0L | V8 | Lower | Flex Radiator Hose |
| 1965 | Ford | F-350 | 5.8L | V8 | Upper | Dual Rear Wheel; Flex Radiator Hose |
| 1965 | Oldsmobile | 98 | Lower | Flex Radiator Hose | ||
| 1965 | Oldsmobile | Cutlass | 6.6L | V8 | Lower | Flex Radiator Hose |
| 1965 | Oldsmobile | Cutlass | 5.4L | V8 | Lower | Compatible with vehicles containing air conditioning.; Flex Radiator Hose |
| 1965 | Oldsmobile | Cutlass | 5.4L | V8 | Lower | Fits vehicles without air conditioning.; Flex Radiator Hose |
| 1964 | Oldsmobile | 98 | 6.5L | V8 | Lower | Flex Radiator Hose |
| 1963 | Oldsmobile | 98 | 6.5L | V8 | Lower | Flex Radiator Hose |
| 1962 | Oldsmobile | 98 | Lower | Flex Radiator Hose | ||
| 1961 | Oldsmobile | 98 | Lower | Flex Radiator Hose | ||
| 1960 | Oldsmobile | 98 | Lower | Flex Radiator Hose | ||
| 1959 | Oldsmobile | 98 | 6.1L | V8 | Lower | Flex Radiator Hose |
* 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.