Keep coolant moving between the engine and the radiator with the Gates Radiator Coolant Hose 22187, the upper radiator hose for the listed 1989-1991 Chevrolet and GMC trucks and SUVs. It installs as a direct-fit replacement for the 1989-1991 Chevrolet Blazer and Suburban (R1500, R2500, V1500, V2500 and Suburban) and the 1989-1991 GMC Jimmy and Suburban (R1500, R2500, V1500, V2500) — see the Buyer's Guide tab for the full application list.
- Upper radiator hose: carries engine coolant to the radiator's upper connection as part of the cooling circuit, helping maintain proper coolant flow and engine temperature.
- Direct-fit replacement: a service replacement for the original upper hose on the listed applications.
- Signs this hose may need replacing: cracked, bulging, swollen, soft or hardened rubber, coolant seepage at the hose ends, coolant loss, or engine overheating.
A radiator hose deteriorates with heat, pressure and age. If a failed or leaking upper hose is the cause of your coolant loss or overheating, this replaces it; diagnose the source of the leak first, since other cooling components can share those symptoms. Inspect the clamps and connections and refill with the correct coolant after installation.
Interchange: 26295X · 71973 · E71973 · 15565359 · 1052 · 62102 · CH3272 · KM-3426 · KM3426 · 8847. Manufacturer part number 22187.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the Gates 22187 radiator hose fit?
It fits the listed 1989-1991 Chevrolet Blazer and Suburban (R1500, R2500, V1500, V2500 and Suburban) and the 1989-1991 GMC Jimmy and Suburban (R1500, R2500, V1500, V2500). See the Buyer's Guide tab for the full list.
Is this the upper or lower radiator hose?
This is the upper radiator coolant hose for the listed applications.
What does this hose do?
It carries engine coolant to the radiator's upper connection as part of the cooling circuit, helping maintain proper coolant flow and engine operating temperature.
How do I know if my radiator hose needs replacing?
Look for cracked, bulging, soft or hardened rubber, coolant seepage at the hose ends, coolant loss, or overheating. Diagnose the leak source first, since other cooling parts can cause similar signs.
What part numbers does this hose interchange with?
It replaces 26295X, 71973, E71973, 15565359, 1052, 62102, CH3272, KM-3426 (KM3426) and 8847. The manufacturer part number is 22187.
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