Gates 21145 radiator coolant hose for the 1997-2001 Ford Explorer V6 4.0L and other vehicles and equipment carries coolant between the engine and the rest of the cooling system. This Gates coolant hose is a molded EPDM hose.
- Specifically-engineered materials resist collapse under vacuum
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- Synthetic fiber knit reinforcement under 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 21145 radiator coolant hose
- Fits: 1997-2001 Ford Explorer V6 4.0L and other vehicles and equipment
- Position: Lower; lower, engine to pipe; upper, pipe to engine
- Material: EPDM
- Condition: New
A leaking, cracked, swollen or collapsed hose can mean it is due for replacement, though the same signs can come from other cooling parts. With the engine off and cool, look along the hose and at its ends for cracks, bulges and wet coolant stains; if the hose looks sound, a shop can test the rest of the system.
Fits
The vehicles and equipment it fits include the 1997-2001 Ford Explorer V6 4.0L, the 1998-2001 Mercury Mountaineer V6 4.0L and the 1977-1997 Belarus 800 tractor. If yours is not one of these, look it up in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: Lower; lower, engine to pipe; upper, pipe to engine
- Quantity per application: 1
- Centerline length: 7.6 in (193 mm)
- End 1 inside diameter: 1.5 in (38 mm)
- End 2 inside diameter: 1.5 in (38 mm)
Build and materials
- Material: EPDM
- Construction: molded, without spring
- Condition: New
- Country of origin: United States
In the box
One radiator coolant hose. This listing holds one hose, and the application takes one.
Installation notes
- Hose clamps should be replaced each time a new coolant hose is installed.
- Not for fuel or oil transfer applications.
Interchange: 142-5248 · L34-4770 · KM-3104 · 54-04278
20120S · 60510278 · 62561 · 62835 · 72022 · B72022 · F11002 · 887115521 · 7851 · 1657261030 · C1145
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
20120S, 60510278, 142-5248, 21145, 62561, 62835, 72022, B72022, F11002, L34-4770, 887115521, KM-3104, 7851, 1657261030, C1145, 54-04278
Frequently Asked Questions
Does the Gates 21145 radiator coolant hose fit the 1997-2001 Ford Explorer V6 4.0L?
Yes, Gates 21145 fits the 1997-2001 Ford Explorer V6 4.0L and the 1998-2001 Mercury Mountaineer V6 4.0L; other vehicles and equipment are in the "Vehicles it fits" section.
Is this a Gates lower radiator hose?
Yes, Gates 21145 is listed for lower use, engine to pipe, and also for the upper pipe-to-engine position. This listing is one hose.
What temperature range does the Gates molded coolant hose cover?
This molded EPDM hose handles -40 °F to +257 °F (-40 °C to +125 °C). It meets SAE 20R4 class D2 and DIN 73411 class A, except for tolerances.
Should I replace the hose clamps when installing Gates 21145?
Yes, replace the hose clamps whenever a new coolant hose goes on. This listing is one hose, and the application takes one.
Can I use this coolant hose for fuel or oil lines?
No. This hose is made for coolant and is not for fuel or oil transfer applications.
