Gates Engine Coolant Bypass Hose,HVAC Heater Hose 18777
Gates Engine Coolant Bypass Hose,HVAC Heater Hose 18777

Gates Engine Coolant Bypass Hose,HVAC Heater Hose P/N:18777

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$14.99
MPN: 18777
Item Package Quantity: 1
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Gates Engine Coolant Bypass Hose,HVAC Heater Hose P/N:18777
Gates Engine Coolant Bypass Hose,HVAC Heater Hose P/N:18777
$14.99

Keep coolant flowing quietly through tight, modern engine bays with the Gates Molded Coolant Bypass / Heater Hose (MPN 18777) — a factory-molded, OEM-style hose cataloged under the connection points HEATER TO ENGINE, HEATER TO PIPE, ENGINE TO PIPE, PIPE TO PIPE and THROTTLE BODY TO INTAKE MANIFOLD. It's listed under both names — engine coolant bypass hose and HVAC heater hose. This small I.D. molded hose is a direct-fit replacement for the listed applications including the 1985-1991 Chevrolet Corvette, 1989-1995 Ford Taurus, 1981-1987 Isuzu Pickup, 1993-1995 Mazda RX-7, 1982-1983 Nissan 200SX, 1981-1984 Volkswagen Jetta and 1980-1984 Volkswagen Rabbit — see the Buyer's Guide tab for the full list.

  • Molded to fit: factory-molded to suit today's smaller, tighter-fitting engine compartments; usable for coolant, water and air, and approved for marine applications.
  • Electrochemical resistance: engineered to resist electrochemical degradation, the leading cause of hose failure.
  • Construction: EPDM tube, synthetic fiber knit reinforcement and EPDM cover; meets SAE 20R3 Type EC Class D-1 and D-2 specifications.
  • Rated: temperature range of -40°F to 275°F (-40°C to 135°C).

Gates recommends replacing hose clamps each time a new coolant hose is installed. Caution: do not use for fuel or oil transfer applications.

Interchange: E9DZ 8548 A
E9DZ8548A · 14097S · 92406N9602 · J2406N9600 · 87653 · B87653 · 10108509 · 63251 · 5093610240 · FD0161212A · FD0161212B · 10777

This part cross-references / interchanges with the following part numbers:

14097S, 18777, 92406N9602, J2406N9600, 87653, B87653, E9DZ 8548 A, 10108509, 63251, 5093610240, FD0161212A, FD0161212B, 10777

Frequently Asked Questions

What is this hose used for?

It's a factory-molded coolant bypass / heater hose that carries engine coolant, water or air between the connection points such as heater-to-engine, engine-to-pipe and throttle body-to-intake manifold. Not for fuel or oil transfer.

What is the hose made of?

It has an EPDM tube, synthetic fiber knit reinforcement and an EPDM cover, and meets SAE 20R3 Type EC Class D-1 and D-2 specifications.

What temperature can it handle?

Gates rates this hose for a temperature range of -40°F to 275°F (-40°C to 135°C).

Should I replace the clamps too?

Yes. Gates recommends replacing the hose clamps each time a new coolant hose is installed.

Will this fit my vehicle?

It's a direct-fit replacement for the listed applications, including the Chevrolet Corvette, Ford Taurus, Isuzu Pickup, Mazda RX-7, Nissan 200SX and several Volkswagen models. Check the Buyer's Guide tab for the full list.

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