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Dayco 71169 Radiator Coolant Hose - Lower
Overview of Dayco Curved Radiator Hose 71169
The Dayco Curved Radiator Hose 71169 is designed specifically for Nissan vehicles including the 720, D21, and Pathfinder models. This radiator coolant hose is engineered to meet SAE specifications, ensuring reliable performance in your vehicle's cooling system.
- Constructed from durable EPDM material for heat and chemical resistance
- Black color with a protective sleeve for added durability
- Single inside diameter hose with 1 5/16 inch diameter on both ends
- Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
- Trunk height of 16 inches for precise fitment
Detailed Product Description
The Dayco Curved Radiator Hose 71169 is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features a single inside diameter of 1 5/16 inches on both ends, making it suitable for specific radiator connections on Nissan 720, D21, and Pathfinder models. The black hose includes a protective sleeve to guard against abrasion and wear, although it does not contain a heat shield. Designed to meet SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, this hose ensures compatibility with OEM standards and reliable coolant flow within the vehicle's cooling system.
About the Curved Radiator Hose Product Line
The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends and dimensions to fit specific vehicle applications. This product line is engineered to maintain coolant system integrity while accommodating the unique routing requirements of various engine compartments. The 71169 part number is part of this line, offering a tailored fit for Nissan models that require a curved hose with consistent diameter and protective features.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses on Nissan 720, D21, and Pathfinder
- Prevention of coolant leaks caused by hose degradation
- Restoration of proper coolant flow to avoid engine overheating
- Addressing hose swelling or softening due to heat exposure
- Ensuring secure hose connections with correct diameter and protective sleeve
Installation Notes and Tips
- Verify hose diameter and length match your vehicle’s specifications before installation
- Inspect radiator and engine fittings for corrosion or damage prior to hose installation
- Use appropriate clamps to secure the hose ends firmly without over-tightening
- Ensure the protective sleeve is positioned to prevent abrasion against engine components
- Check for leaks after installation and during initial engine operation
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 71169 to meet industry SAE standards, ensuring consistent quality and durability. The EPDM material and protective sleeve contribute to long service life under normal operating conditions. Warranty details should be confirmed with the original equipment manufacturer or supplier, as they may vary by region and application.
| Brand | Dayco |
|---|---|
| Part Number | 71169 |
| Position | Curved Radiator Hose, Lower |
| Color | Black |
| Contains Protective Sleeve | Y |
| End 1 Inside Diameter | 1 5/16 |
| End 2 Inside Diameter | 1 5/16 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 16 |
This part fits 19 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1989 | Nissan | D21 | 2.4L | L4 | Lower | Curved Radiator Hose |
| 1988 | Nissan | D21 | 2.4L | L4 | Lower | Curved Radiator Hose |
| 1988 | Nissan | Pathfinder | 2.4L | L4 | Lower | without power steering; Curved Radiator Hose |
| 1988 | Nissan | Pathfinder | 2.4L | L4 | Lower | Serpentine Belt compatible with vehicles equipped with power steering.; Curved Radiator Hose |
| 1987 | Nissan | D21 | 2.4L | L4 | Lower | Curved Radiator Hose |
| 1987 | Nissan | Pathfinder | 2.4L | L4 | Lower | without power steering; Curved Radiator Hose |
| 1987 | Nissan | Pathfinder | 2.4L | L4 | Lower | Serpentine Belt compatible with vehicles equipped with power steering.; Curved Radiator Hose |
| 1986 | Nissan | 720 | 2.0L | L4 | Lower | One Piece Hose, w/o P.S.; Curved Radiator Hose |
| 1986 | Nissan | 720 | 2.4L | L4 | Lower | One Piece Hose; Curved Radiator Hose |
| 1986 | Nissan | 720 | 2.4L | L4 | Lower | Two Piece Hose; Curved Radiator Hose |
| 1986 | Nissan | D21 | 2.4L | L4 | Lower | One Piece Hose; Curved Radiator Hose |
| 1986 | Nissan | D21 | 2.4L | L4 | Lower | Two Piece Hose; Curved Radiator Hose |
| 1985 | Nissan | 720 | 2.0L | L4 | Lower | One Piece Hose, w/o P.S.; Curved Radiator Hose |
| 1985 | Nissan | 720 | 2.4L | L4 | Lower | One Piece Hose, 1st Body Design; Curved Radiator Hose |
| 1985 | Nissan | 720 | 2.4L | L4 | Lower | Two Piece Hose, 1st Body Design; Curved Radiator Hose |
| 1984 | Nissan | 720 | 2.0L | L4 | Lower | One Piece Hose, w/o P.S.; Curved Radiator Hose |
| 1984 | Nissan | 720 | 2.4L | L4 | Lower | One Piece Hose, w/o P.S.; Curved Radiator Hose |
| 1983 | Nissan | 720 | 2.0L | L4 | Lower | One Piece Hose, w/o P.S., Late; Curved Radiator Hose |
| 1983 | Nissan | 720 | 2.4L | L4 | Lower | One Piece Hose, w/o P.S.; 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.