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Continental 63489 Engine Coolant Bypass Hose
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Continental 63489 Engine Coolant Bypass Hose

Continental 63489 Engine Coolant Bypass Hose

Continental 63489 Engine Coolant Bypass Hose

Continental 63489 is a molded engine coolant bypass hose built for glycol-based cooling systems. With a 0.594-inch inside diameter at both ends and a 5.120-inch length, it is sized for direct coolant routing between the heater core, radiator bypass circuit, and related engine cooling components.

Compatible With select Buick, Chevrolet, Oldsmobile, Pontiac, Ford, Mercury, and Jeep applications, this Continental Molded hose is engineered to meet SAE 20R3EC Class D1 and D2 specifications and resist electrochemical degradation. If you are replacing a molded coolant bypass hose on a classic GM or Ford cooling system, part number 63489 provides the correct formed shape for the application.

Key Features

  • Molded engine coolant bypass hose for cooling-system routing
  • 0.594-inch inside diameter at both ends
  • 5.120-inch hose length
  • Built for glycol-base coolant transfer to and from the heater core and radiator bypass path
  • Meets SAE 20R3EC Class D1 and D2 specifications
  • Resistant to electrochemical degradation for added cooling-system durability

Product Details

The Continental Molded line focuses on formed coolant hoses that match the routing needs of specific vehicles. This hose is shaped for bypass and heater-core coolant flow, helping maintain proper circulation in systems that require a molded replacement rather than a straight universal hose. Part number 63489 is a practical choice for restoration work and maintenance on older domestic vehicles where hose shape and diameter matter.

This part cross-references Dayco 70459 and Dorman - HELP 80330 for the same application.

Common Cooling Issues It Can Address

  • Cracked or leaking molded bypass hose
  • Coolant seepage at the heater-core or bypass connection
  • Restricted coolant flow caused by aged hose collapse
  • Improper hose routing after a previous repair
  • Cooling-system service on vehicles requiring a formed hose profile

Installation Notes and Tips

Verify hose inside diameter, length, and molded shape before installation. For best results, compare the removed hose to Continental 63489 and confirm the vehicle’s bypass routing, especially on applications such as 1986 Ford Aerostar, 1976 Ford Pinto, 1975-1976 Mercury Bobcat, and 1966-1971 Jeep CJ5. On GM applications including Chevrolet S10, Buick Riviera, and Pontiac Grand Prix, confirm the molded configuration matches the original hose path before final fitment.

  • Fits 1986 Ford Aerostar, Tee To Water Pump
  • Fits 1983-1984 Chevrolet S10, N/A
  • Fits 1983-1984 Chevrolet S10 Blazer, N/A
  • Fits 1983-1984 GMC S15, N/A
  • Fits 1983-1984 GMC S15 Jimmy, N/A
  • Fits 1984 Oldsmobile Cutlass Calais, S-shaped; Bypass; Molded
  • Fits 1978-1983 Buick Riviera, N/A
  • Fits 1964 Buick Riviera, N/A
  • Fits 1982 Buick LeSabre, N/A
  • Fits 1964-1980 Buick LeSabre, N/A
  • Fits 1973-1982 Buick Regal, N/A
  • Fits 1982 Chevrolet Caprice, N/A
  • Fits 1980 Chevrolet Caprice, N/A
  • Fits 1978-1982 Chevrolet El Camino, N/A
  • Fits 1982 Chevrolet Impala, N/A
  • Fits 1978-1982 Chevrolet Malibu, N/A
  • Fits 1978-1982 Chevrolet Monte Carlo, N/A
  • Fits 1982 Oldsmobile Cutlass Calais, Bypass; Molded
  • Fits 1982 Oldsmobile Cutlass Cruiser, Bypass; Molded
  • Fits 1977-1982 Oldsmobile Cutlass Supreme, N/A
  • Fits 1982 Oldsmobile Delta 88, N/A
  • Fits 1977-1980 Oldsmobile Delta 88, N/A
  • Fits 1982 Pontiac Bonneville, N/A
  • Fits 1978-1980 Pontiac Bonneville, N/A
  • Fits 1977-1982 Pontiac Grand LeMans, N/A
  • Fits 1978-1982 Pontiac Grand Prix, N/A
  • Fits 1982 Pontiac Parisienne, N/A
  • Fits 1973-1981 Buick Century, N/A
  • Fits 1980-1981 Chevrolet Camaro, N/A
  • Fits 1977-1981 Oldsmobile Cutlass, N/A
  • Fits 1978-1981 Oldsmobile Cutlass Calais, N/A
  • Fits 1980-1981 Oldsmobile Cutlass Cruiser, N/A
  • Fits 1977-1981 Pontiac Firebird, N/A
  • Fits 1977-1981 Pontiac LeMans, N/A
  • Fits 1978-1980 Chevrolet Monza, N/A
  • Fits 1979-1980 Oldsmobile Cutlass Salon, N/A
  • Fits 1977-1980 Pontiac Catalina, N/A
  • Fits 1975-1979 Buick Skyhawk, N/A
  • Fits 1975-1979 Buick Skylark, N/A
  • Fits 1964-1972 Buick Skylark, N/A
  • Fits 1975-1979 Oldsmobile Omega, N/A
  • Fits 1975-1979 Oldsmobile Starfire, N/A
  • Fits 1979 Pontiac Grand Am, N/A
  • Fits 1977-1979 Pontiac Phoenix, N/A
  • Fits 1979 Pontiac Sunbird, N/A
  • Fits 1976 Pontiac Sunbird, N/A
  • Fits 1978 Oldsmobile Custom Cruiser, N/A
  • Fits 1976 Ford Pinto, Pipe To Water Pump
  • Fits 1975-1976 Mercury Bobcat, Heater Outlet
  • Fits 1966-1971 Jeep CJ5, Cut to Fit; Molded

Quality Assurance

Continental manufactures this hose to SAE 20R3EC Class D1 and D2 requirements and specifies resistance to electrochemical degradation, two important factors for long-term cooling-system service. The molded construction and application-specific dimensions support accurate replacement on vehicles that use a formed bypass hose such as the Buick Skylark, Chevrolet Camaro, and Pontiac Firebird.

$6.65

Original: $19.01

-65%
Continental 63489 Engine Coolant Bypass Hose—

$19.01

$6.65

Continental 63489 Engine Coolant Bypass Hose

Continental 63489 Engine Coolant Bypass Hose

Continental 63489 is a molded engine coolant bypass hose built for glycol-based cooling systems. With a 0.594-inch inside diameter at both ends and a 5.120-inch length, it is sized for direct coolant routing between the heater core, radiator bypass circuit, and related engine cooling components.

Compatible With select Buick, Chevrolet, Oldsmobile, Pontiac, Ford, Mercury, and Jeep applications, this Continental Molded hose is engineered to meet SAE 20R3EC Class D1 and D2 specifications and resist electrochemical degradation. If you are replacing a molded coolant bypass hose on a classic GM or Ford cooling system, part number 63489 provides the correct formed shape for the application.

Key Features

  • Molded engine coolant bypass hose for cooling-system routing
  • 0.594-inch inside diameter at both ends
  • 5.120-inch hose length
  • Built for glycol-base coolant transfer to and from the heater core and radiator bypass path
  • Meets SAE 20R3EC Class D1 and D2 specifications
  • Resistant to electrochemical degradation for added cooling-system durability

Product Details

The Continental Molded line focuses on formed coolant hoses that match the routing needs of specific vehicles. This hose is shaped for bypass and heater-core coolant flow, helping maintain proper circulation in systems that require a molded replacement rather than a straight universal hose. Part number 63489 is a practical choice for restoration work and maintenance on older domestic vehicles where hose shape and diameter matter.

This part cross-references Dayco 70459 and Dorman - HELP 80330 for the same application.

Common Cooling Issues It Can Address

  • Cracked or leaking molded bypass hose
  • Coolant seepage at the heater-core or bypass connection
  • Restricted coolant flow caused by aged hose collapse
  • Improper hose routing after a previous repair
  • Cooling-system service on vehicles requiring a formed hose profile

Installation Notes and Tips

Verify hose inside diameter, length, and molded shape before installation. For best results, compare the removed hose to Continental 63489 and confirm the vehicle’s bypass routing, especially on applications such as 1986 Ford Aerostar, 1976 Ford Pinto, 1975-1976 Mercury Bobcat, and 1966-1971 Jeep CJ5. On GM applications including Chevrolet S10, Buick Riviera, and Pontiac Grand Prix, confirm the molded configuration matches the original hose path before final fitment.

  • Fits 1986 Ford Aerostar, Tee To Water Pump
  • Fits 1983-1984 Chevrolet S10, N/A
  • Fits 1983-1984 Chevrolet S10 Blazer, N/A
  • Fits 1983-1984 GMC S15, N/A
  • Fits 1983-1984 GMC S15 Jimmy, N/A
  • Fits 1984 Oldsmobile Cutlass Calais, S-shaped; Bypass; Molded
  • Fits 1978-1983 Buick Riviera, N/A
  • Fits 1964 Buick Riviera, N/A
  • Fits 1982 Buick LeSabre, N/A
  • Fits 1964-1980 Buick LeSabre, N/A
  • Fits 1973-1982 Buick Regal, N/A
  • Fits 1982 Chevrolet Caprice, N/A
  • Fits 1980 Chevrolet Caprice, N/A
  • Fits 1978-1982 Chevrolet El Camino, N/A
  • Fits 1982 Chevrolet Impala, N/A
  • Fits 1978-1982 Chevrolet Malibu, N/A
  • Fits 1978-1982 Chevrolet Monte Carlo, N/A
  • Fits 1982 Oldsmobile Cutlass Calais, Bypass; Molded
  • Fits 1982 Oldsmobile Cutlass Cruiser, Bypass; Molded
  • Fits 1977-1982 Oldsmobile Cutlass Supreme, N/A
  • Fits 1982 Oldsmobile Delta 88, N/A
  • Fits 1977-1980 Oldsmobile Delta 88, N/A
  • Fits 1982 Pontiac Bonneville, N/A
  • Fits 1978-1980 Pontiac Bonneville, N/A
  • Fits 1977-1982 Pontiac Grand LeMans, N/A
  • Fits 1978-1982 Pontiac Grand Prix, N/A
  • Fits 1982 Pontiac Parisienne, N/A
  • Fits 1973-1981 Buick Century, N/A
  • Fits 1980-1981 Chevrolet Camaro, N/A
  • Fits 1977-1981 Oldsmobile Cutlass, N/A
  • Fits 1978-1981 Oldsmobile Cutlass Calais, N/A
  • Fits 1980-1981 Oldsmobile Cutlass Cruiser, N/A
  • Fits 1977-1981 Pontiac Firebird, N/A
  • Fits 1977-1981 Pontiac LeMans, N/A
  • Fits 1978-1980 Chevrolet Monza, N/A
  • Fits 1979-1980 Oldsmobile Cutlass Salon, N/A
  • Fits 1977-1980 Pontiac Catalina, N/A
  • Fits 1975-1979 Buick Skyhawk, N/A
  • Fits 1975-1979 Buick Skylark, N/A
  • Fits 1964-1972 Buick Skylark, N/A
  • Fits 1975-1979 Oldsmobile Omega, N/A
  • Fits 1975-1979 Oldsmobile Starfire, N/A
  • Fits 1979 Pontiac Grand Am, N/A
  • Fits 1977-1979 Pontiac Phoenix, N/A
  • Fits 1979 Pontiac Sunbird, N/A
  • Fits 1976 Pontiac Sunbird, N/A
  • Fits 1978 Oldsmobile Custom Cruiser, N/A
  • Fits 1976 Ford Pinto, Pipe To Water Pump
  • Fits 1975-1976 Mercury Bobcat, Heater Outlet
  • Fits 1966-1971 Jeep CJ5, Cut to Fit; Molded

Quality Assurance

Continental manufactures this hose to SAE 20R3EC Class D1 and D2 requirements and specifies resistance to electrochemical degradation, two important factors for long-term cooling-system service. The molded construction and application-specific dimensions support accurate replacement on vehicles that use a formed bypass hose such as the Buick Skylark, Chevrolet Camaro, and Pontiac Firebird.

Product Information

Shipping & Returns

Description

Continental 63489 Engine Coolant Bypass Hose

Continental 63489 is a molded engine coolant bypass hose built for glycol-based cooling systems. With a 0.594-inch inside diameter at both ends and a 5.120-inch length, it is sized for direct coolant routing between the heater core, radiator bypass circuit, and related engine cooling components.

Compatible With select Buick, Chevrolet, Oldsmobile, Pontiac, Ford, Mercury, and Jeep applications, this Continental Molded hose is engineered to meet SAE 20R3EC Class D1 and D2 specifications and resist electrochemical degradation. If you are replacing a molded coolant bypass hose on a classic GM or Ford cooling system, part number 63489 provides the correct formed shape for the application.

Key Features

  • Molded engine coolant bypass hose for cooling-system routing
  • 0.594-inch inside diameter at both ends
  • 5.120-inch hose length
  • Built for glycol-base coolant transfer to and from the heater core and radiator bypass path
  • Meets SAE 20R3EC Class D1 and D2 specifications
  • Resistant to electrochemical degradation for added cooling-system durability

Product Details

The Continental Molded line focuses on formed coolant hoses that match the routing needs of specific vehicles. This hose is shaped for bypass and heater-core coolant flow, helping maintain proper circulation in systems that require a molded replacement rather than a straight universal hose. Part number 63489 is a practical choice for restoration work and maintenance on older domestic vehicles where hose shape and diameter matter.

This part cross-references Dayco 70459 and Dorman - HELP 80330 for the same application.

Common Cooling Issues It Can Address

  • Cracked or leaking molded bypass hose
  • Coolant seepage at the heater-core or bypass connection
  • Restricted coolant flow caused by aged hose collapse
  • Improper hose routing after a previous repair
  • Cooling-system service on vehicles requiring a formed hose profile

Installation Notes and Tips

Verify hose inside diameter, length, and molded shape before installation. For best results, compare the removed hose to Continental 63489 and confirm the vehicle’s bypass routing, especially on applications such as 1986 Ford Aerostar, 1976 Ford Pinto, 1975-1976 Mercury Bobcat, and 1966-1971 Jeep CJ5. On GM applications including Chevrolet S10, Buick Riviera, and Pontiac Grand Prix, confirm the molded configuration matches the original hose path before final fitment.

  • Fits 1986 Ford Aerostar, Tee To Water Pump
  • Fits 1983-1984 Chevrolet S10, N/A
  • Fits 1983-1984 Chevrolet S10 Blazer, N/A
  • Fits 1983-1984 GMC S15, N/A
  • Fits 1983-1984 GMC S15 Jimmy, N/A
  • Fits 1984 Oldsmobile Cutlass Calais, S-shaped; Bypass; Molded
  • Fits 1978-1983 Buick Riviera, N/A
  • Fits 1964 Buick Riviera, N/A
  • Fits 1982 Buick LeSabre, N/A
  • Fits 1964-1980 Buick LeSabre, N/A
  • Fits 1973-1982 Buick Regal, N/A
  • Fits 1982 Chevrolet Caprice, N/A
  • Fits 1980 Chevrolet Caprice, N/A
  • Fits 1978-1982 Chevrolet El Camino, N/A
  • Fits 1982 Chevrolet Impala, N/A
  • Fits 1978-1982 Chevrolet Malibu, N/A
  • Fits 1978-1982 Chevrolet Monte Carlo, N/A
  • Fits 1982 Oldsmobile Cutlass Calais, Bypass; Molded
  • Fits 1982 Oldsmobile Cutlass Cruiser, Bypass; Molded
  • Fits 1977-1982 Oldsmobile Cutlass Supreme, N/A
  • Fits 1982 Oldsmobile Delta 88, N/A
  • Fits 1977-1980 Oldsmobile Delta 88, N/A
  • Fits 1982 Pontiac Bonneville, N/A
  • Fits 1978-1980 Pontiac Bonneville, N/A
  • Fits 1977-1982 Pontiac Grand LeMans, N/A
  • Fits 1978-1982 Pontiac Grand Prix, N/A
  • Fits 1982 Pontiac Parisienne, N/A
  • Fits 1973-1981 Buick Century, N/A
  • Fits 1980-1981 Chevrolet Camaro, N/A
  • Fits 1977-1981 Oldsmobile Cutlass, N/A
  • Fits 1978-1981 Oldsmobile Cutlass Calais, N/A
  • Fits 1980-1981 Oldsmobile Cutlass Cruiser, N/A
  • Fits 1977-1981 Pontiac Firebird, N/A
  • Fits 1977-1981 Pontiac LeMans, N/A
  • Fits 1978-1980 Chevrolet Monza, N/A
  • Fits 1979-1980 Oldsmobile Cutlass Salon, N/A
  • Fits 1977-1980 Pontiac Catalina, N/A
  • Fits 1975-1979 Buick Skyhawk, N/A
  • Fits 1975-1979 Buick Skylark, N/A
  • Fits 1964-1972 Buick Skylark, N/A
  • Fits 1975-1979 Oldsmobile Omega, N/A
  • Fits 1975-1979 Oldsmobile Starfire, N/A
  • Fits 1979 Pontiac Grand Am, N/A
  • Fits 1977-1979 Pontiac Phoenix, N/A
  • Fits 1979 Pontiac Sunbird, N/A
  • Fits 1976 Pontiac Sunbird, N/A
  • Fits 1978 Oldsmobile Custom Cruiser, N/A
  • Fits 1976 Ford Pinto, Pipe To Water Pump
  • Fits 1975-1976 Mercury Bobcat, Heater Outlet
  • Fits 1966-1971 Jeep CJ5, Cut to Fit; Molded

Quality Assurance

Continental manufactures this hose to SAE 20R3EC Class D1 and D2 requirements and specifies resistance to electrochemical degradation, two important factors for long-term cooling-system service. The molded construction and application-specific dimensions support accurate replacement on vehicles that use a formed bypass hose such as the Buick Skylark, Chevrolet Camaro, and Pontiac Firebird.

Continental 63489 Engine Coolant Bypass Hose | PartCatalog