Dayco 70748 Radiator Coolant Hose - Lower, Lower - Pipe To Radiator or Upper
OE Quality 60-Day Returns
Dayco
 Curved Radiator Hose

Dayco 70748 Radiator Coolant Hose - Lower, Lower - Pipe To Radiator or Upper

Brand Dayco 70748
Position Upper
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 12
Product line Curved Radiator Hose
Fits Isuzu, Ford, Mercedes-Benz, and Mercury · 31 vehicles

EPDM construction. Resists heat and coolant exposure for dependable hose performance.

Dual I.D. hose. Provides two inside diameters in one curved radiator hose.

SAE J20R4 Class D-1. Built to meet recognized coolant hose specifications.

Cross-references ACDelco 20052S, ACDelco 22087M and ACDelco 22384M for the same application. See all 32.

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Not what you need? See all Radiator Coolant Hose options

Dayco Curved Radiator Hose 70748

Dayco 70748 is a curved radiator coolant hose built for upper and lower cooling-system routing where a dual inside diameter is required. Made from EPDM rubber in black, it follows the shape needed for clean coolant flow in select Ford, Mercury, and Isuzu applications.

The Dayco Curved Radiator Hose line focuses on OE-style hose geometry and material selection for dependable cooling-system service. This 70748 hose uses SAE J20R4 Class D-1 and SAE J1684 Type EC specifications to support proper fit and coolant transfer in the listed vehicles.

Key Features

  • EPDM construction for radiator coolant service
  • Dual I.D. hose design with 1 1/4 in. and 1 1/2 in. end inside diameters
  • Curved hose profile for routed cooling-system connections
  • Black finish for a factory-style appearance
  • Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Fits upper and lower positions depending on application

Fitment Details

  • Fits 1998-2003 Isuzu Rodeo, upper.
  • Fits 2001-2003 Isuzu Rodeo Sport, upper.
  • Fits 1998-2000 Isuzu Amigo, upper.
  • Fits 1977-1982 Ford Courier, lower; compatible with vehicles containing air conditioning.
  • Fits 1974-1980 Ford Pinto, lower; compatible with vehicles containing air conditioning.
  • Fits 1975-1980 Mercury Bobcat, lower; compatible with vehicles containing air conditioning.

What This Hose Helps Address

  • Coolant leaks from a cracked or aged radiator hose
  • Softening, swelling, or collapse in an original hose
  • Poor coolant routing caused by a misshaped hose
  • Overheating concerns related to restricted coolant flow
  • Service replacement for a worn upper or lower radiator hose

Installation Notes and Tips

Verify end diameters, routing, and position before installation. This Dayco 70748 hose is listed for upper and lower applications depending on vehicle, including select Isuzu Rodeo, Isuzu Rodeo Sport, Isuzu Amigo, Ford Courier, Ford Pinto, and Mercury Bobcat models. Inspect hose clamps, mating necks, and nearby cooling components for wear before installing the new hose.

Quality Assurance

Dayco manufactures this radiator coolant hose to meet the listed SAE specifications for cooling-system service. The EPDM construction and curved dual-I.D. design support a direct replacement approach for the specified applications.

Related reading

This part fits 31 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003IsuzuRodeo2.2LL4UpperCurved Radiator Hose
2003IsuzuRodeo Sport2.2LL4UpperCurved Radiator Hose
2002IsuzuRodeo2.2LL4UpperCurved Radiator Hose
2002IsuzuRodeo Sport2.2LL4UpperCurved Radiator Hose
2001IsuzuRodeo2.2LL4UpperCurved Radiator Hose
2001IsuzuRodeo Sport2.2LL4UpperCurved Radiator Hose
2000IsuzuAmigo2.2LL4UpperCurved Radiator Hose
2000IsuzuRodeo2.2LL4UpperCurved Radiator Hose
1999IsuzuAmigo2.2LL4UpperCurved Radiator Hose
1999IsuzuRodeo2.2LL4UpperCurved Radiator Hose
1998IsuzuAmigo2.2LL4UpperCurved Radiator Hose
1998IsuzuRodeo2.2LL4UpperCurved Radiator Hose
1982FordCourier2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1981FordCourier2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1980FordCourier2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1980FordPinto——LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1980MercuryBobcat——LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1979FordCourier2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1979FordPinto2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1979MercuryBobcat2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1978FordCourier2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1978FordPinto2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1978MercuryBobcat2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1977FordCourier2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1977FordPinto2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1977MercuryBobcat2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1976FordPinto2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1976MercuryBobcat2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975FordPinto2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975MercuryBobcat2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1974FordPinto2.3LL4LowerCompatible with vehicles containing air conditioning.; Curved Radiator Hose
Directly replaces or cross-references 32 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 20052SACDelco — 22087MACDelco — 22384MACDelco — 22520MAutoZone — C0883CARQUEST — 20883CARQUEST — 22955Chrysler — 04596752ABChrysler — 04596752ACChrysler — 04596752ADChrysler — 55038116AADuralast — B70748Ford — D4ZE-8B273-EAFord — D4ZZ-8286-DFord — D5ZE-8B273-CAFord — D5ZE-8B273-CHFord — D42E-8B273-EAFord — D52E-8B273-CAFreshstart — 066Gates — 20701Gates — 20883Gates — 21185Gates — 22488Gates — 22955Goodyear — 60894Isuzu — 8-97125-159-0NAPA — 7469NAPA — 7610NAPA — 9121NAPA — 9590Pirelli — MR105Uniroyal — MC146