Homeβ€Ί Belts and Cooling > Hoses and Pipesβ€Ί Dayco 70463 Radiator Coolant Hose - Upper
Part #: 70463

Dayco 70463 Radiator Coolant Hose - Upper

Curved Radiator Hose, Upper
101 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
$24.67Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock Β· Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement β€” Bolt-on fit, no modifications needed
Curved Radiator Hose, Upper
Fitment: Chrysler, Dodge, Plymouth, Chevrolet, Pontiac, and Buick, Cordoba, LeBaron, Aspen, Diplomat, Magnum, St. Regis, Caravelle, Volare, Town & Country, B100, B200, B300, CB300, Charger, Monaco, RD200, Fury, PB100, PB200, PB300, Coronet, Dart, Duster, Scamp, Valiant, Royal Monaco, B100 Van, B200 Van, B300 Van, Challenger, Barracuda, Cuda, PB100 Van, PB200 Van, PB300 Van, Satellite, Polara, Fury I, Fury II, Fury III, Gran Fury, Newport, D100 Pickup, D200 Pickup, D300 Pickup, M300, MB300, P200, P300, W100 Pickup, W200 Pickup, W300 Pickup, Belvedere, C10 Pickup, C10 Suburban, C20 Pickup, C20 Suburban, C30 Pickup, K10 Pickup, K10 Suburban, K20 Pickup, K20 Suburban, K30 Pickup, LeMans, Tempest, Belvedere II, Electra, Riviera, and Wildcat
Easy Returns β€” Return within 60 days for a full refund
Fast Shipping β€” Most orders ship same business day before 1pm CST

Overview of Dayco Curved Radiator Hose 70463

The Dayco Curved Radiator Hose 70463 is designed to provide reliable coolant flow for a range of classic and modern vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

  • Constructed from high-quality EPDM material for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • Inside diameter of 1 1/2 inches on both ends for uniform coolant flow
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose type with a trunk height of 17 inches

Detailed Product Description

The Dayco Curved Radiator Hose 70463 is part of the Curved Radiator Hose product line, which focuses on delivering hoses with precise bends and dimensions to fit specific vehicle cooling systems. This hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling applications. The hose features a consistent 1 1/2 inch inside diameter on both ends, ensuring a secure and leak-free connection within the cooling system. Its black color and curved shape are designed to match the original equipment specifications for a range of vehicles.

Compatible Vehicles and Applications

This radiator coolant hose is compatible with various makes and models, including Buick, Chevrolet, Chrysler, Dodge, and Pontiac. Specific models include Aspen, B100, B200, B300, C10 Suburban, C20 Suburban, Challenger, Charger, Dart, K10 Suburban, K20 Suburban, LeBaron, LeMans, Magnum, Monaco, Newport, Riviera, Tempest, and Town & Country. The Dayco 70463 hose is ideal for replacing worn or damaged radiator hoses in these vehicles to maintain proper engine cooling.

  • Replaces cracked or leaking radiator hoses
  • Prevents coolant loss and engine overheating
  • Restores proper coolant flow in curved hose applications
  • Eliminates hose collapse or swelling under pressure
  • Ensures compatibility with original cooling system design

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 70463, ensure the engine is cool before removal of the old hose to avoid burns. Inspect hose clamps and replace if necessary to secure the new hose properly. Verify that the hose routing matches the original path to prevent kinks or interference with other engine components. Lubricating the hose ends with a small amount of coolant or water can ease installation. After installation, refill the cooling system and check for leaks during engine operation.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70463 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 against heat, pressure, and chemical exposure. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to maintain reliability in automotive applications.

BrandDayco
Part Number70463
PositionCurved Radiator Hose, Upper
ColorBlack
End 1 Inside Diameter1 1/2
End 2 Inside Diameter1 1/2
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height17

This part fits 101 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1979ChryslerLeBaron5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1979DodgeAspen5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1979DodgeMagnum5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1978ChryslerLeBaron5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1978ChryslerTown & Country5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1978DodgeAspen5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1978DodgeB1005.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1978DodgeB1005.2LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1978DodgeB1005.9LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1978DodgeB1005.9LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1978DodgeB2005.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1978DodgeB2005.2LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1978DodgeB2005.9LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1978DodgeB2005.9LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1978DodgeB3005.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1978DodgeB3005.2LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1978DodgeB3005.9LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1978DodgeB3005.9LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1978DodgeCharger5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1978DodgeMagnum5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1978DodgeMonaco5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1977ChryslerLeBaronUpperFits vehicles without air conditioning.; Curved Radiator Hose
1977DodgeAspen5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1977DodgeB1005.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1977DodgeB1005.2LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1977DodgeB1005.9LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1977DodgeB1005.9LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1977DodgeB2005.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1977DodgeB2005.2LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1977DodgeB2005.9LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1977DodgeB2005.9LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1977DodgeB3005.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1977DodgeB3005.2LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1977DodgeB3005.9LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1977DodgeB3005.9LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1977DodgeCharger5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1977DodgeMonaco5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1976DodgeAspen5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1976DodgeB1005.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1976DodgeB1005.2LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1976DodgeB1005.9LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1976DodgeB1005.9LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1976DodgeB2005.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1976DodgeB2005.2LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1976DodgeB2005.9LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1976DodgeB2005.9LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1976DodgeB3005.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1976DodgeB3005.2LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1976DodgeB3005.9LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1976DodgeB3005.9LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1976DodgeCharger5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1976DodgeDart5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1976DodgeMonaco5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1975DodgeB1005.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975DodgeB1005.2LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1975DodgeB2005.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975DodgeB2005.2LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1975DodgeB2005.9LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975DodgeB2005.9LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1975DodgeB3005.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975DodgeB3005.2LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1975DodgeB3005.9LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1975DodgeB3005.9LV8Upperw/o A.C., H.D. Cool; Curved Radiator Hose
1975DodgeCharger5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1975DodgeDart5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1975DodgeMonaco5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1974DodgeChallenger5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1974DodgeCharger5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1974DodgeDart5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1973DodgeChallenger5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1973DodgeCharger5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1973DodgeDart5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1973DodgeMonaco5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1973DodgeMonaco5.9LV8Upperw/o A.C., w/o A.P.; Curved Radiator Hose
1972ChryslerNewport5.9LV8Upperw/o A.C., Early; Curved Radiator Hose
1972DodgeChallenger5.2LV8Upperw/o A.C., Early; Curved Radiator Hose
1972DodgeCharger5.2LV8Upperw/o A.C., Early; Curved Radiator Hose
1972DodgeDart5.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1972DodgeDart5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1972DodgeMonaco5.2LV8Upperw/o A.C., Early; Curved Radiator Hose
1972DodgeMonaco5.9LV8Upperw/o A.C., Early; Curved Radiator Hose
1971ChryslerNewport5.9LV8Upperw/o A.C., Early; Curved Radiator Hose
1971DodgeChallenger5.2LV8Upperw/o A.C., Early; Curved Radiator Hose
1971DodgeChallenger5.6LV8Upperw/o A.C., Early; Curved Radiator Hose
1971DodgeCharger5.2LV8Upperw/o A.C., Early; Curved Radiator Hose
1971DodgeDart5.2LV8Upperw/o A.C., Early; Curved Radiator Hose
1971DodgeDart5.6LV8Upperw/o A.C., Early; Curved Radiator Hose
1971DodgeMonaco5.9LV8Upperw/o A.C., Early; Curved Radiator Hose
1970DodgeChallenger5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1970DodgeDart5.2LV8UpperFits vehicles without air conditioning.; Curved Radiator Hose
1969ChevroletC10 Suburban4.8LL6UpperCurved Radiator Hose
1969ChevroletC20 Suburban4.8LL6UpperCurved Radiator Hose
1969ChevroletK10 Suburban4.8LL6UpperCurved Radiator Hose
1969ChevroletK20 Suburban4.8LL6UpperCurved Radiator Hose
1969DodgeCharger5.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1969DodgeMonaco5.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1969PontiacLeMans4.1LL6UpperFits vehicles without air conditioning.; Curved Radiator Hose
1969PontiacTempest4.1LL6UpperFits vehicles without air conditioning.; Curved Radiator Hose
1968DodgeCharger5.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1967DodgeCharger5.2LV8UpperCompatible with vehicles containing air conditioning.; Curved Radiator Hose
1966BuickRiviera7.0LV8UpperCompatible with vehicles containing air conditioning.; 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:

24019L

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