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OE Quality
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DaycoPart #: 70438
Dayco 70438 Radiator Coolant Hose - Left Lower, Lower, Right Lower or Upper
126 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Curved Radiator Hose, Lower
Fitment: Dodge, Plymouth, Ford, Mercury, Chevrolet, GMC, and Chrysler, B200, B300, CB300, D100, D150, D200, D300, Ramcharger, W150, W200, W300, PB200, PB300, Trailduster, W100, B100 Van, B200 Van, D100 Pickup, D200 Pickup, D300 Pickup, W100 Pickup, W200 Pickup, Mustang, Cougar, P20 Series, P30 Series, P25/P2500 Van, P35/P3500 Van, Imperial, and New Yorker
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Not what you need? See all Radiator Coolant Hose options
Overview of Dayco Curved Radiator Hose 70438
The Dayco Curved Radiator Hose 70438 is designed to provide reliable coolant flow for various Chrysler, Dodge, Ford, and Mercury vehicles. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.
- Material: EPDM for heat and chemical resistance
- Color: Black
- End 1 and End 2 Inside Diameter: 1 3/4 inches
- Hose Type: Single inside diameter hose
- Trunk Height: 14 1/2 inches
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Compatible with multiple Chrysler, Dodge, Ford, and Mercury models
About the Curved Radiator Hose Product Line
The Dayco Curved Radiator Hose line focuses on delivering hoses with precise bends and dimensions to fit specific vehicle cooling systems. This product line is engineered to maintain coolant flow efficiency while accommodating the spatial constraints of engine compartments. The 70438 part exemplifies this with its consistent 1 3/4 inch inside diameter and curved design, suitable for a range of applications in Chrysler, Dodge, Ford, and Mercury vehicles.
Detailed Product Description
This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling systems. The hose features a uniform inside diameter of 1 3/4 inches on both ends, ensuring a secure and leak-resistant connection. It does not include a heat shield or protective sleeve, which is typical for hoses designed for standard engine bay environments. The trunk height of 14 1/2 inches allows for proper routing and fitment in compatible vehicles.
Compatible Vehicles and Applications
- Chrysler models: B200, B300, Imperial, New Yorker
- Dodge models: D100, D150, D200, D300, Ramcharger
- Ford models: W100, W150, W200, W300
- Mercury model: Cougar, Mustang
Common Issues Addressed by This Radiator Hose
- Replacement of cracked or leaking radiator coolant hoses
- Restoring proper coolant flow to prevent engine overheating
- Resolving coolant leaks caused by hose deterioration
- Maintaining system pressure and preventing coolant loss
- Ensuring compatibility with specific Chrysler, Dodge, Ford, and Mercury cooling systems
Installation Notes and Tips
Before installation, ensure the engine is cool to avoid burns from hot coolant. Inspect hose clamps and replace if necessary to secure the hose properly. Verify the hose routing matches the original to prevent kinks or interference with other engine components. The 1 3/4 inch inside diameter ends should fit snugly on radiator and engine fittings. Proper installation will help maintain system integrity and prevent leaks.
Quality Assurance and Warranty
The Dayco Curved Radiator Hose 70438 meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. While specific warranty details are not provided, Dayco products typically adhere to manufacturer quality controls to support reliable performance in automotive cooling systems.
| Brand | Dayco |
|---|---|
| Part Number | 70438 |
| Position | Curved Radiator Hose, Lower |
| Color | Black |
| End 1 Inside Diameter | 1 3/4 |
| End 2 Inside Diameter | 1 3/4 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 14 1/2 |
This part fits 126 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1978 | Dodge | B200 | 7.2L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | B200 | 6.6L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | B300 | 7.2L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | B300 | 6.6L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | D100 | 6.6L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | D100 | 6.6L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | D100 | 7.2L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | D100 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | D150 | 6.6L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | D150 | 6.6L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | D150 | 7.2L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | D150 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | D200 | 6.6L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | D200 | 6.6L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | D200 | 7.2L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | D200 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | D300 | 6.6L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | D300 | 6.6L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | D300 | 7.2L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | D300 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | Ramcharger | 7.2L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | Ramcharger | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | Ramcharger | 6.6L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | Ramcharger | 6.6L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | W150 | 6.6L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | W150 | 6.6L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | W150 | 7.2L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | W150 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | W200 | 6.6L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | W200 | 6.6L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | W200 | 7.2L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | W200 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | W300 | 6.6L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | W300 | 6.6L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1978 | Dodge | W300 | 7.2L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1978 | Dodge | W300 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1977 | Dodge | B200 | 7.2L | V8 | Lower | w/A.C. or H.D. Cool; Curved Radiator Hose |
| 1977 | Dodge | B200 | 6.6L | V8 | Lower | w/A.C. or H.D. Cool; Curved Radiator Hose |
| 1977 | Dodge | B300 | 7.2L | V8 | Lower | w/A.C. or H.D. Cool; Curved Radiator Hose |
| 1977 | Dodge | B300 | 6.6L | V8 | Lower | w/A.C. or H.D. Cool; Curved Radiator Hose |
| 1977 | Dodge | D100 | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | D100 | 7.2L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | D150 | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | D200 | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | D200 | 7.2L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | D300 | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | D300 | 7.2L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | Ramcharger | 7.2L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | Ramcharger | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | W100 | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | W100 | 7.2L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | W150 | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | W200 | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | W200 | 7.2L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | W300 | 6.6L | V8 | Lower | Curved Radiator Hose |
| 1977 | Dodge | W300 | 7.2L | V8 | Lower | Curved Radiator Hose |
| 1976 | Dodge | B200 | 7.2L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1976 | Dodge | B200 | 6.6L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | B300 | 7.2L | V8 | Lower | w/A.C., H.D. Cool; Curved Radiator Hose |
| 1976 | Dodge | B300 | 6.6L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | D100 | 6.6L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | D100 | 7.2L | V8 | Lower | Curved Radiator Hose |
| 1976 | Dodge | D200 | 6.6L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | D200 | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | D300 | 6.6L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | D300 | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | Ramcharger | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | Ramcharger | 7.2L | V8 | Right Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1976 | Dodge | Ramcharger | 7.2L | V8 | Left Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1976 | Dodge | W100 | 6.6L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | W100 | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | W200 | 6.6L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | W200 | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | W300 | 6.6L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1976 | Dodge | W300 | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | B200 | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | B200 | 7.2L | V8 | Lower | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | B200 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1975 | Dodge | B300 | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | B300 | 7.2L | V8 | Lower | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | B300 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1975 | Dodge | D100 | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | D100 | 7.2L | V8 | Lower | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | D100 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1975 | Dodge | D200 | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | D200 | 7.2L | V8 | Lower | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | D200 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1975 | Dodge | D300 | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | D300 | 7.2L | V8 | Lower | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | D300 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1975 | Dodge | Ramcharger | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | Ramcharger | 7.2L | V8 | Lower | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | Ramcharger | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1975 | Dodge | W100 | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | W100 | 7.2L | V8 | Lower | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | W100 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1975 | Dodge | W200 | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | W200 | 7.2L | V8 | Lower | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | W200 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1975 | Dodge | W300 | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1975 | Dodge | W300 | 7.2L | V8 | Lower | w/o A.C., H.D. Cool; Curved Radiator Hose |
| 1975 | Dodge | W300 | 7.2L | V8 | Lower | w/o A.C., Std. Rad.; Curved Radiator Hose |
| 1974 | Dodge | Ramcharger | 7.2L | V8 | Lower | Std. Rad., w/o A.C.; Curved Radiator Hose |
| 1974 | Dodge | Ramcharger | 7.2L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1974 | Dodge | Ramcharger | 7.2L | V8 | Lower | with Heavy Duty Radiator; without A/C; Curved Radiator Hose |
| 1970 | Ford | Mustang | 5.0L | V8 | Lower | Curved Radiator Hose |
| 1970 | Ford | Mustang | Lower | Curved Radiator Hose | ||
| 1970 | Ford | Mustang | 5.8L | V8 | Lower | Curved Radiator Hose |
| 1970 | Mercury | Cougar | 5.0L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | Mercury | Cougar | 5.8L | V8 | Lower | Curved Radiator Hose |
| 1965 | Chrysler | Imperial | 6.8L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1965 | Chrysler | Imperial | 6.8L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1965 | Chrysler | Imperial | 6.7L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1965 | Chrysler | Imperial | 6.7L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1964 | Chrysler | Imperial | 6.8L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1964 | Chrysler | Imperial | 6.8L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1964 | Chrysler | Imperial | 6.7L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1964 | Chrysler | Imperial | 6.7L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1963 | Chrysler | Imperial | 6.8L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1963 | Chrysler | Imperial | 6.8L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1963 | Chrysler | Imperial | 6.7L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1963 | Chrysler | Imperial | 6.7L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1962 | Chrysler | Imperial | 6.8L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1962 | Chrysler | Imperial | 6.7L | V8 | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1962 | Chrysler | New Yorker | Lower | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1962 | Chrysler | New Yorker | Lower | Fits vehicles without 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:
22095M
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.