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Dayco 71624 Engine Coolant Bypass Hose
Overview of Dayco Curved Radiator Hose 71624
The Dayco Curved Radiator Hose 71624 is engineered for reliable engine coolant bypass in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed with durable EPDM material, this black single inside diameter hose ensures consistent performance under typical engine operating conditions.
- Constructed from EPDM for heat and chemical resistance
- Black color with 5/8 inch inside diameter on both ends
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Single inside diameter hose type for precise fitment
- Compatible with multiple Buick, Chevrolet, Oldsmobile, and Pontiac models
Dayco Curved Radiator Hose Product Line Details
The Curved Radiator Hose line by Dayco focuses on providing hoses designed to accommodate specific engine coolant routing needs. This product line emphasizes precise curvature and dimensional accuracy to ensure proper coolant flow and fitment in designated vehicle applications. The 71624 hose is part of this line, offering a tailored solution for engine coolant bypass systems requiring a 5/8 inch inside diameter hose without additional heat shields or protective sleeves.
Product Specifications and Compatibility
This engine coolant bypass 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. Both ends of the hose have a 5/8 inch inside diameter, facilitating a secure connection in the cooling circuit. The hose does not include a heat shield or protective sleeve, which is consistent with its intended use in less exposed areas of the engine bay.
The Dayco 71624 hose is compatible with a range of Buick, Chevrolet, Oldsmobile, and Pontiac vehicles, including models such as the Buick LeSabre and Park Avenue, Chevrolet Lumina APV, Oldsmobile Achieva and Cutlass Ciera, and Pontiac Grand Am and Bonneville. This compatibility ensures that the hose meets the specific dimensional and material requirements for these vehicles' cooling systems.
Common Applications and Problem Resolution
- Replacement of worn or cracked engine coolant bypass hoses
- Restoration of proper coolant flow in Buick, Chevrolet, Oldsmobile, and Pontiac cooling systems
- Addressing coolant leaks caused by hose degradation
- Maintaining engine temperature regulation by ensuring hose integrity
- Preventing overheating issues related to faulty bypass hoses
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 71624, ensure the hose is routed according to the vehicle manufacturer’s specifications to avoid kinks or undue stress. Verify that the 5/8 inch inside diameter matches the connecting fittings for a secure seal. Use appropriate clamps and inspect adjacent components for wear or damage during installation. Avoid using hoses with heat shields or protective sleeves if not specified, as this hose is designed without these features.
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 71624 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 and resistance to typical engine coolant conditions. Warranty details should be confirmed with the original equipment manufacturer or supplier, as Dayco typically offers coverage against manufacturing defects.
| Brand | Dayco |
|---|---|
| Part Number | 71624 |
| Position | Curved Radiator Hose |
| Color | Black |
| End 1 Inside Diameter | 5/8 |
| End 2 Inside Diameter | 5/8 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 5 |
This part fits 60 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1998 | Oldsmobile | Regency | N/A | Curved Radiator Hose | ||
| 1997 | Oldsmobile | Regency | N/A | Curved Radiator Hose | ||
| 1995 | Buick | LeSabre | N/A | Curved Radiator Hose | ||
| 1995 | Buick | Park Avenue | N/A | Curved Radiator Hose | ||
| 1995 | Buick | Regal | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1995 | Buick | Riviera | N/A | Curved Radiator Hose | ||
| 1995 | Chevrolet | Lumina APV | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1995 | Oldsmobile | 88 | N/A | Curved Radiator Hose | ||
| 1995 | Oldsmobile | 98 | N/A | Curved Radiator Hose | ||
| 1995 | Oldsmobile | Silhouette | N/A | Curved Radiator Hose | ||
| 1995 | Pontiac | Trans Sport | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1994 | Buick | LeSabre | N/A | Curved Radiator Hose | ||
| 1994 | Buick | Park Avenue | N/A | Curved Radiator Hose | ||
| 1994 | Buick | Regal | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1994 | Chevrolet | Lumina APV | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1994 | Oldsmobile | 88 | N/A | Curved Radiator Hose | ||
| 1994 | Oldsmobile | 98 | N/A | Curved Radiator Hose | ||
| 1994 | Oldsmobile | Silhouette | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1994 | Pontiac | Bonneville | N/A | Curved Radiator Hose | ||
| 1994 | Pontiac | Trans Sport | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1993 | Buick | Century | 3.3L | V6 | N/A | Curved Radiator Hose |
| 1993 | Buick | LeSabre | N/A | Curved Radiator Hose | ||
| 1993 | Buick | Park Avenue | N/A | Curved Radiator Hose | ||
| 1993 | Buick | Regal | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1993 | Buick | Riviera | N/A | Curved Radiator Hose | ||
| 1993 | Buick | Skylark | 3.3L | V6 | N/A | Curved Radiator Hose |
| 1993 | Chevrolet | Lumina APV | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1993 | Oldsmobile | 88 | N/A | Curved Radiator Hose | ||
| 1993 | Oldsmobile | 98 | N/A | Curved Radiator Hose | ||
| 1993 | Oldsmobile | Achieva | 3.3L | V6 | N/A | Curved Radiator Hose |
| 1993 | Oldsmobile | Cutlass Ciera | 3.3L | V6 | N/A | Curved Radiator Hose |
| 1993 | Oldsmobile | Cutlass Cruiser | N/A | Curved Radiator Hose | ||
| 1993 | Oldsmobile | Silhouette | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1993 | Pontiac | Bonneville | N/A | Curved Radiator Hose | ||
| 1993 | Pontiac | Grand Am | 3.3L | V6 | N/A | Curved Radiator Hose |
| 1993 | Pontiac | Trans Sport | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1992 | Buick | Century | 3.3L | V6 | N/A | Curved Radiator Hose |
| 1992 | Buick | LeSabre | N/A | Curved Radiator Hose | ||
| 1992 | Buick | Park Avenue | N/A | Curved Radiator Hose | ||
| 1992 | Buick | Regal | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1992 | Buick | Riviera | N/A | Curved Radiator Hose | ||
| 1992 | Buick | Skylark | 3.3L | V6 | N/A | Curved Radiator Hose |
| 1992 | Chevrolet | Lumina APV | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1992 | Oldsmobile | 88 | N/A | Curved Radiator Hose | ||
| 1992 | Oldsmobile | 98 | N/A | Curved Radiator Hose | ||
| 1992 | Oldsmobile | Achieva | 3.3L | V6 | N/A | Curved Radiator Hose |
| 1992 | Oldsmobile | Cutlass Ciera | 3.3L | V6 | N/A | Curved Radiator Hose |
| 1992 | Oldsmobile | Cutlass Cruiser | 3.3L | V6 | N/A | Curved Radiator Hose |
| 1992 | Oldsmobile | Silhouette | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1992 | Oldsmobile | Toronado | N/A | Curved Radiator Hose | ||
| 1992 | Pontiac | Bonneville | N/A | Curved Radiator Hose | ||
| 1992 | Pontiac | Grand Am | 3.3L | V6 | N/A | Curved Radiator Hose |
| 1992 | Pontiac | Trans Sport | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1991 | Buick | Park Avenue | N/A | Curved Radiator Hose | ||
| 1991 | Buick | Reatta | N/A | Curved Radiator Hose | ||
| 1991 | Buick | Regal | 3.8L | V6 | N/A | Curved Radiator Hose |
| 1991 | Buick | Riviera | N/A | Curved Radiator Hose | ||
| 1991 | Oldsmobile | 98 | N/A | Curved Radiator Hose | ||
| 1991 | Oldsmobile | Toronado | N/A | Curved Radiator Hose | ||
| 1990 | Buick | Regal | 3.8L | V6 | N/A | 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.