Gates Engine Coolant Bypass Hose,HVAC Heater Hose P/N:18421
Keep coolant, water, or air moving through tight, modern-style engine bays with the Gates Engine Coolant Bypass Hose / HVAC Heater Hose (MPN 18777) — a factory-molded, OEM-style molded hose that installs as a direct-fit replacement across the listed applications, including the 1985-1991 Chevrolet Corvette [V8-5.7L], 1989-1995 Ford Taurus [V6-3.0L], 1993-1995 Mazda RX-7 [R2-1.3L], 1981-1987 Isuzu Pickup [L4-2.2L], and the 1980-1984 Volkswagen Rabbit [L4-1.5L, L4-1.6L, L4-1.7L, L4-1.8L]. See the Buyer's Guide tab for the full list of 25 applications.
This molded shape suits a range of positions such as heater-to-engine, heater-to-pipe, engine-to-pipe, throttle-body-to-intake-manifold, and pipe-to-pipe routings. Gates recommends replacing the hose clamps each time a new coolant hose is installed. Country of origin: United States.
Interchange: 14097S · 92406N9602 · J2406N9600 · 87653 · B87653 · E9DZ 8548 A · E9DZ8548A · 10108509 · 63251 · 5093610240 · FD0161212A · FD0161212B · 10777. Manufacturer part number 18777.
This part cross-references / interchanges with the following part numbers:
What is the Gates 18777 hose?
It is a factory-molded, OEM-style Gates molded hose listed as both an Engine Coolant Bypass Hose and an HVAC Heater Hose, used to carry coolant, water, or air on the listed applications.
What is it made of and how is it rated?
It has an EPDM tube, synthetic fiber knit reinforcement, and an EPDM cover. It meets SAE 20R3 Type EC Class D-1 and D-2 with a temperature range of -40°F to 275°F (-40°C to 135°C).
Which vehicles does it fit?
It is a direct-fit replacement for the 25 listed applications, including the Chevrolet Corvette [V8-5.7L], Ford Taurus [V6-3.0L], Mazda RX-7 [R2-1.3L], and Volkswagen Rabbit. Check the Buyer's Guide tab for the full list.
Can I use it for fuel or oil lines?
No. Gates states this hose must not be used for fuel or oil transfer applications. It is approved for coolant, water, and air, including marine applications.
Do I need to replace the hose clamps?
Gates recommends replacing the hose clamps each time a new coolant hose is installed to help ensure a proper, leak-free connection.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.