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Dayco 71325 Radiator Coolant Hose - Lower
Overview of Dayco Curved Radiator Hose 71325
The Dayco Curved Radiator Hose 71325 is designed specifically for Chevrolet and GMC trucks, including the S10, S10 Blazer, S15, S15 Jimmy, and Sonoma models. This radiator coolant hose features a dual inside diameter design to ensure a precise fit and reliable coolant flow in your vehicle's cooling system.
- Constructed from durable EPDM material for heat and chemical resistance
- Dual inside diameters: 1 1/4 inch and 1 1/2 inch ends for proper fitment
- Black color for standard OEM appearance
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Trunk height of 16 inches for optimal routing in engine bay
- Part number 71325 for accurate identification and replacement
Details on the Curved Radiator Hose Product Line
The Dayco Curved Radiator Hose line is engineered to provide reliable coolant transfer with a focus on fit and durability. This product line includes hoses designed with specific bends and dual inside diameters to match OEM configurations, reducing installation complexity and ensuring proper coolant flow. The 71325 hose is part of this line, offering a tailored solution for Chevrolet and GMC trucks requiring a curved radiator hose with precise dimensions.
Technical Description and Specifications
The Dayco 71325 radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity over time. The hose features a dual inside diameter design, with one end measuring 1 1/4 inches and the other 1 1/2 inches, allowing it to connect different sized fittings securely. It does not include a heat shield or protective sleeve, which is typical for this type of radiator hose. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses. Its 16-inch trunk height supports proper routing within the engine compartment of compatible vehicles.
Compatible Vehicles and Common Applications
- Replacement radiator coolant hose for Chevrolet S10 and S10 Blazer
- Suitable for GMC S15 and S15 Jimmy models
- Fits GMC Sonoma trucks requiring a curved radiator hose
- Addresses coolant leaks or hose deterioration in these specific models
- Used when original radiator hoses show signs of cracking, swelling, or hardening
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 71325, ensure the engine is cool to prevent burns from hot coolant. Verify the hose orientation matches the original routing to avoid kinks or stress points. Use appropriate clamps to secure both ends of the hose firmly. Inspect adjacent components for wear or damage during installation to maintain overall cooling system integrity.
Quality Assurance and Warranty
Dayco manufactures the 71325 radiator hose to meet SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to Dayco’s official documentation for exact warranty terms.
| Brand | Dayco |
| Part Number | 71325 |
| Position | Curved Radiator Hose, Lower |
| Color | Black |
| End 1 Inside Diameter | 1 1/4 |
| End 2 Inside Diameter | 1 1/2 |
| Hose Type | Dual I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 16 |
This part fits 36 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Chevrolet | S10 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1993 | GMC | Sonoma | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1992 | Chevrolet | S10 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1992 | GMC | Sonoma | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1991 | Chevrolet | S10 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1991 | GMC | Sonoma | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1990 | Chevrolet | S10 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1990 | GMC | S15 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1989 | Chevrolet | S10 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1989 | Chevrolet | S10 Blazer | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1989 | GMC | S15 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1989 | GMC | S15 Jimmy | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1988 | Chevrolet | S10 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1988 | Chevrolet | S10 Blazer | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1988 | GMC | S15 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1988 | GMC | S15 Jimmy | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1987 | Chevrolet | S10 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1987 | Chevrolet | S10 Blazer | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1987 | GMC | S15 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1987 | GMC | S15 Jimmy | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1986 | Chevrolet | S10 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1986 | Chevrolet | S10 Blazer | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1986 | GMC | S15 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1986 | GMC | S15 Jimmy | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1985 | Chevrolet | S10 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1985 | Chevrolet | S10 Blazer | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1985 | GMC | S15 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1985 | GMC | S15 Jimmy | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1984 | Chevrolet | S10 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1984 | Chevrolet | S10 Blazer | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1984 | GMC | S15 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1984 | GMC | S15 Jimmy | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1983 | Chevrolet | S10 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1983 | Chevrolet | S10 Blazer | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1983 | GMC | S15 | 2.8L | V6 | Lower | Curved Radiator Hose |
| 1983 | GMC | S15 Jimmy | 2.8L | V6 | Lower | 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.