OE Quality
60-Day Returns

Dayco 70463 Radiator Coolant Hose - Upper
Overview of Dayco Curved Radiator Hose 70463
The Dayco Curved Radiator Hose 70463 is designed to provide reliable coolant flow for a range of classic and modern vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Black color with a curved design for precise fitment
- Inside diameter of 1 1/2 inches on both ends for uniform coolant flow
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Single inside diameter hose type with a trunk height of 17 inches
Detailed Product Description
The Dayco Curved Radiator Hose 70463 is part of the Curved Radiator Hose product line, which focuses on delivering hoses with precise bends and dimensions to fit specific vehicle cooling systems. This hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling applications. The hose features a consistent 1 1/2 inch inside diameter on both ends, ensuring a secure and leak-free connection within the cooling system. Its black color and curved shape are designed to match the original equipment specifications for a range of vehicles.
Compatible Vehicles and Applications
This radiator coolant hose is compatible with various makes and models, including Buick, Chevrolet, Chrysler, Dodge, and Pontiac. Specific models include Aspen, B100, B200, B300, C10 Suburban, C20 Suburban, Challenger, Charger, Dart, K10 Suburban, K20 Suburban, LeBaron, LeMans, Magnum, Monaco, Newport, Riviera, Tempest, and Town & Country. The Dayco 70463 hose is ideal for replacing worn or damaged radiator hoses in these vehicles to maintain proper engine cooling.
- Replaces cracked or leaking radiator hoses
- Prevents coolant loss and engine overheating
- Restores proper coolant flow in curved hose applications
- Eliminates hose collapse or swelling under pressure
- Ensures compatibility with original cooling system design
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 70463, ensure the engine is cool before removal of the old hose to avoid burns. Inspect hose clamps and replace if necessary to secure the new hose properly. Verify that the hose routing matches the original path to prevent kinks or interference with other engine components. Lubricating the hose ends with a small amount of coolant or water can ease installation. After installation, refill the cooling system and check for leaks during engine operation.
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 70463 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. The EPDM material and construction provide durability against heat, pressure, and chemical exposure. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to maintain reliability in automotive applications.
| Brand | Dayco |
|---|---|
| Part Number | 70463 |
| Position | Curved Radiator Hose, Upper |
| Color | Black |
| End 1 Inside Diameter | 1 1/2 |
| End 2 Inside Diameter | 1 1/2 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 17 |
This part fits 101 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1979 | Chrysler | LeBaron | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1979 | Dodge | Aspen | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1979 | Dodge | Magnum | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1978 | Chrysler | LeBaron | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1978 | Chrysler | Town & Country | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | Aspen | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | B100 | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | B100 | 5.2L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | B100 | 5.9L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | B100 | 5.9L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | B200 | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | B200 | 5.2L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | B200 | 5.9L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | B200 | 5.9L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | B300 | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | B300 | 5.2L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | B300 | 5.9L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | B300 | 5.9L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | Charger | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | Magnum | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1978 | Dodge | Monaco | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1977 | Chrysler | LeBaron | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose | ||
| 1977 | Dodge | Aspen | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1977 | Dodge | B100 | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1977 | Dodge | B100 | 5.2L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1977 | Dodge | B100 | 5.9L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1977 | Dodge | B100 | 5.9L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1977 | Dodge | B200 | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1977 | Dodge | B200 | 5.2L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1977 | Dodge | B200 | 5.9L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1977 | Dodge | B200 | 5.9L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1977 | Dodge | B300 | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1977 | Dodge | B300 | 5.2L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1977 | Dodge | B300 | 5.9L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1977 | Dodge | B300 | 5.9L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1977 | Dodge | Charger | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1977 | Dodge | Monaco | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | Aspen | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | B100 | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | B100 | 5.2L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1976 | Dodge | B100 | 5.9L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | B100 | 5.9L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1976 | Dodge | B200 | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | B200 | 5.2L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1976 | Dodge | B200 | 5.9L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | B200 | 5.9L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1976 | Dodge | B300 | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | B300 | 5.2L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1976 | Dodge | B300 | 5.9L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | B300 | 5.9L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1976 | Dodge | Charger | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | Dart | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | Monaco | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | B100 | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | B100 | 5.2L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | B200 | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | B200 | 5.2L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | B200 | 5.9L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | B200 | 5.9L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | B300 | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | B300 | 5.2L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | B300 | 5.9L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | B300 | 5.9L | V8 | Upper | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | Charger | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | Dart | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | Monaco | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1974 | Dodge | Challenger | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1974 | Dodge | Charger | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1974 | Dodge | Dart | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1973 | Dodge | Challenger | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1973 | Dodge | Charger | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1973 | Dodge | Dart | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1973 | Dodge | Monaco | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1973 | Dodge | Monaco | 5.9L | V8 | Upper | w/o A.C., w/o A.P.; Curved Radiator Hose |
| 1972 | Chrysler | Newport | 5.9L | V8 | Upper | w/o A.C., Early; Curved Radiator Hose |
| 1972 | Dodge | Challenger | 5.2L | V8 | Upper | w/o A.C., Early; Curved Radiator Hose |
| 1972 | Dodge | Charger | 5.2L | V8 | Upper | w/o A.C., Early; Curved Radiator Hose |
| 1972 | Dodge | Dart | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1972 | Dodge | Dart | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1972 | Dodge | Monaco | 5.2L | V8 | Upper | w/o A.C., Early; Curved Radiator Hose |
| 1972 | Dodge | Monaco | 5.9L | V8 | Upper | w/o A.C., Early; Curved Radiator Hose |
| 1971 | Chrysler | Newport | 5.9L | V8 | Upper | w/o A.C., Early; Curved Radiator Hose |
| 1971 | Dodge | Challenger | 5.2L | V8 | Upper | w/o A.C., Early; Curved Radiator Hose |
| 1971 | Dodge | Challenger | 5.6L | V8 | Upper | w/o A.C., Early; Curved Radiator Hose |
| 1971 | Dodge | Charger | 5.2L | V8 | Upper | w/o A.C., Early; Curved Radiator Hose |
| 1971 | Dodge | Dart | 5.2L | V8 | Upper | w/o A.C., Early; Curved Radiator Hose |
| 1971 | Dodge | Dart | 5.6L | V8 | Upper | w/o A.C., Early; Curved Radiator Hose |
| 1971 | Dodge | Monaco | 5.9L | V8 | Upper | w/o A.C., Early; Curved Radiator Hose |
| 1970 | Dodge | Challenger | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | Dodge | Dart | 5.2L | V8 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1969 | Chevrolet | C10 Suburban | 4.8L | L6 | Upper | Curved Radiator Hose |
| 1969 | Chevrolet | C20 Suburban | 4.8L | L6 | Upper | Curved Radiator Hose |
| 1969 | Chevrolet | K10 Suburban | 4.8L | L6 | Upper | Curved Radiator Hose |
| 1969 | Chevrolet | K20 Suburban | 4.8L | L6 | Upper | Curved Radiator Hose |
| 1969 | Dodge | Charger | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1969 | Dodge | Monaco | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1969 | Pontiac | LeMans | 4.1L | L6 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1969 | Pontiac | Tempest | 4.1L | L6 | Upper | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1968 | Dodge | Charger | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1967 | Dodge | Charger | 5.2L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1966 | Buick | Riviera | 7.0L | V8 | Upper | Compatible with vehicles containing air conditioning.; Curved 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.