Gates 21234 radiator coolant hose for the 1994-1997 Mazda Miata 4-cylinder 1.8L and other vehicles carries engine coolant through the cooling system. It is a molded EPDM hose listed for the upper and lower positions, engine to pipe.
- Materials engineered to resist collapse under vacuum
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- Pre-shaped molded hose that seals tightly at the connections
- EPDM tube with synthetic fiber knit reinforcement and a heat-, ozone- and chemical coolant-resistant EPDM cover
- Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
- Temperature range: -40 °F to +257 °F (-40 °C to +125 °C)
Quick facts
- Part: Gates 21234 radiator coolant hose
- Fits: the 1994-1997 Mazda Miata 4-cylinder 1.8L and other vehicles
- Position: Upper, lower - engine to pipe
- Material: EPDM
- Condition: New
A cracked, bulging or soft hose, or coolant dripping at the hose ends, can mean the hose is worn. Before you replace this hose, rule out a loose clamp or a leak at the radiator or the pipe fitting, since either one can also leave coolant on the ground.
Fits
This molded EPDM radiator coolant hose also fits the 1987-1993 Volkswagen Fox 4-cylinder 1.8L, the 1980 Subaru GL H4 1.6L, the 1980-1989 GL H4 1.8L and the 1986-1987 GL H4 1.6L, and each of those takes a single hose.
Specifications
Fit and size
- Position: Upper, lower - engine to pipe
- Quantity per vehicle: 1
- Centerline length: 20.6 in (523 mm)
- End 1 inside diameter: 1.12 in (28 mm)
- End 2 inside diameter: 1.12 in (28 mm)
Build and materials
- Construction: Molded
- Material: EPDM
- Contains spring: No
- Condition: New
- Country of origin: United States
Installation notes
- Replace the hose clamps each time a new coolant hose is installed.
- Not for fuel or oil transfer applications.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Is this Gates coolant hose 21234 right for the 1994-1997 Mazda Miata 4-cylinder 1.8L?
Yes. Gates 21234 fits the 1994-1997 Mazda Miata 4-cylinder 1.8L, and that car takes one hose. For any other car, look it up in the Vehicles it fits section on this page.
Which positions does this Gates lower radiator hose cover?
Gates 21234 is listed for the upper and lower positions, engine to pipe. This listing is a single hose, and the cars it fits take one.
How long is the Gates molded coolant hose 21234, and what size are its ends?
Gates 21234 has a centerline length of 20.6 in (523 mm). Both ends have a 1.12 in (28 mm) inside diameter.
What shows a radiator coolant hose is worn out?
With the engine off and cool, look for cracks, bulges or coolant residue at the hose ends. A shop can test the cooling system if the cause is unclear.
Should the clamps be replaced when installing this coolant hose?
Yes. Replace the hose clamps each time a new coolant hose goes on. This hose is not for fuel or oil transfer applications.
