Dayco 71421 lower radiator coolant hose for the 1988-1993 Chevrolet C1500 V6 4.3L and other vehicles carries coolant from the radiator back to the engine. Use this Dayco radiator coolant hose when the original has split, softened or started to leak.
- Dual I.D. hose with 1 1/2 in and 1 3/4 in diameters
- Protective sleeve on the hose
- EPDM hose material
- Built to SAE J20R4 Class D-1 and SAE J1684 Type EC
Quick facts
- Part: Dayco 71421 radiator coolant hose
- Fits: 1988-1993 Chevrolet C1500 V6 4.3L and other vehicles
- Position: Lower
- Material: EPDM
- Condition: New
A lower hose that leaks at the ends, feels soft or swollen, or shows cracks can mean it needs replacing. A failing thermostat, a leaking radiator or a weak water pump can be behind coolant loss and overheating too, so find the cause before buying. The 1988-1993 Chevrolet C1500 V6 4.3L takes one.
Fits
This lower radiator coolant hose fits the 1988-1993 Chevrolet C1500 V6 4.3L, the 1988-1993 Chevrolet K1500 V6 4.3L and the 1994-1999 Chevrolet P30 V6 4.3L, along with many other Chevrolet and GMC models. Driving something else? Enter your own year and engine in the "Vehicles it fits" section to see if it takes this hose.
Specifications
Fit and size
- Position: Lower
- Quantity per vehicle: 1
- Diameters: 1 1/2 in (1.50 in) and 1 3/4 in (1.75 in)
- Trunk height: 21 in
Build and materials
- Hose type: Dual I.D. hose
- Material: EPDM
- Protective sleeve: included
- SAE specification: SAE J20R4 Class D-1, SAE J1684 Type EC
- Condition: New
In the box
One radiator coolant hose with a protective sleeve. A heat shield is not included.
Interchange: 26157X · 26284X · MC201 · 21718 · 22169 · 61455 · 377 · 8408 · 9638 · 41455
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
26157X, 26284X, MC201, 21718, 22169, 61455, 377, 8408, 9638, 41455, 15548679, 15567835, 15592592, 15607231, 15607232, 15655153, 15659491, 15671759, 15958019, 15972896
Frequently Asked Questions
Does the Dayco 71421 lower radiator coolant hose fit the 1988-1993 Chevrolet K1500 V6 4.3L?
Yes. Dayco 71421 is a lower hose that fits the 1988-1993 Chevrolet K1500 V6 4.3L, and that truck takes one.
Does this Dayco coolant hose come with a protective sleeve?
Yes. This lower hose includes a protective sleeve. A heat shield is not included.
What diameters does this dual I.D. radiator hose have?
Dayco 71421 has 1 1/2 in (1.50 in) and 1 3/4 in (1.75 in) diameters, and its trunk height is 21 in.
How can I tell if a lower radiator hose is going bad?
With the engine off and cool, look for cracks, a swollen or soft spot, or coolant seepage at the ends. If you can't see the source of a leak, a shop can pressure-test the system.
Does Dayco 71421 meet an SAE standard?
Yes. Dayco 71421 carries SAE J20R4 Class D-1 and SAE J1684 Type EC specifications.
