HomeDayco 71348 Engine Coolant Bypass Hose
Part #: 71348

Dayco 71348 Engine Coolant Bypass Hose

Curved Radiator Hose
20 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
Fitment: Ford and Mazda, Aspire, MX-3, 323, B2000, and GLC
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Overview of Dayco Curved Radiator Hose 71348

The Dayco Curved Radiator Hose 71348 is engineered for reliable engine coolant bypass in select Ford and Mazda vehicles. Designed with durable EPDM material, this black single inside diameter hose ensures consistent performance under typical operating conditions.

  • Constructed from EPDM for heat and chemical resistance
  • Black color for standard OEM appearance
  • 9/32 inch inside diameter on both ends
  • Single inside diameter hose type for precise fit
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 3 5/64 inches for proper routing

Detailed Product Description

The Dayco Curved Radiator Hose 71348 is part of the Curved Radiator Hose product line, which focuses on delivering hoses designed to accommodate specific engine coolant bypass requirements. This hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for maintaining engine temperature stability. The hose features a consistent 9/32 inch inside diameter on both ends, ensuring a secure and leak-free connection. Its black color matches OEM standards, and the single inside diameter design simplifies installation and compatibility. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems.

Compatible Vehicles and Applications

This engine coolant bypass hose is compatible with various Ford and Mazda models, including the Ford Aspire and Mazda 323, B2000, and MX-3. It is designed to replace worn or damaged hoses in these vehicles, maintaining proper coolant flow and engine temperature regulation.

  • Replaces cracked or leaking engine coolant bypass hoses
  • Prevents coolant loss and overheating issues
  • Restores proper coolant circulation in Ford Aspire and Mazda 323, B2000, MX-3
  • Addresses hose swelling or hardening due to age or heat exposure
  • Eliminates coolant contamination from hose deterioration

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71348, ensure the engine is cool to avoid burns. Verify the hose routing matches the original configuration to prevent kinks or interference with other engine components. Use appropriate clamps to secure both ends of the hose firmly. Inspect adjacent hoses and connections for wear during installation to maintain overall cooling system integrity.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71348 to meet industry SAE specifications, ensuring reliable performance in compatible Ford and Mazda vehicles. While specific warranty details are not provided, Dayco products typically adhere to strict quality control standards to support durability and function in automotive cooling systems.

BrandDayco
Part Number71348
PositionCurved Radiator Hose
ColorBlack
End 1 Inside Diameter9/32
End 2 Inside Diameter9/32
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height3 5/64

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1997FordAspireN/ACurved Radiator Hose
1996FordAspireN/ACurved Radiator Hose
1996MazdaMX-3N/ACurved Radiator Hose
1995FordAspireN/ACurved Radiator Hose
1995Mazda3231.6LL4N/ACurved Radiator Hose
1995MazdaMX-31.6LL4N/ACurved Radiator Hose
1994FordAspireN/ACurved Radiator Hose
1994Mazda3231.6LL4N/ACurved Radiator Hose
1994MazdaMX-31.6LL4N/ACurved Radiator Hose
1993Mazda3231.6LL4N/ACurved Radiator Hose
1993MazdaMX-31.6LL4N/ACurved Radiator Hose
1992Mazda3231.6LL4N/ACurved Radiator Hose
1992MazdaMX-31.6LL4N/ACurved Radiator Hose
1991Mazda3231.6LL4N/ACurved Radiator Hose
1990Mazda3231.6LL4N/ACurved Radiator Hose
1989Mazda323N/ACurved Radiator Hose
1988Mazda323N/ACurved Radiator Hose
1987Mazda323N/ACurved Radiator Hose
1987MazdaB2000N/ACurved Radiator Hose
1986Mazda323N/ACurved 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:

14023S

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.