Description
This radiator hose fits the Honda Acty Truck HA3, HA4 (1990-1999). It carries coolant between the engine and radiator on the Acty cooling circuit.
In Stock - ships from our California (USA) warehouse
Fast, reliable delivery - no overseas backorder wait.
Vehicle Fitment & Compatibility
Confirm your chassis code against the table below before ordering.
100% Fitment Guarantee
Not sure about fit? Add your chassis/VIN number at checkout and we confirm it before we ship. If a part does not fit your Acty, we exchange it or refund you in full.
Signs you need this radiator hose
- A swollen, cracked, or weeping hose
- Coolant loss or overheating
- Soft, mushy, or hardened rubber
- A hose overdue on an old truck
Features & Function
- Carries coolant on the Acty circuit
- Correct shape and length for this position
- Restores a sealed cooling path
Installation Specifications
- Difficulty: Easy.
- Estimated time: about 30 to 45 minutes.
- Required tools: Hose clamp pliers, a coolant catch pan, and a rag.
Oiwa Garage Tech Note
"This is the radiator inlet hose. These are molded to a shape, so route it without kinks so it does not collapse under suction at higher revs."
Frequently Asked Questions
Do I need to bleed the system after?
Yes. Refill and bleed the air out so the cooling system works and the engine does not overheat.
How do I check my radiator hoses?
Squeeze each hose cold - a good hose is firm and springy, while a mushy, swollen, or rock-hard hose is failing. Look for cracks and weeping at the ends and clamps.
Should I renew the clamps with the hose?
Yes - rusty clamps do not re-tension well and are the usual weep point, so fit fresh clamps with the hose.
Fitment verified by the Kei truck specialists at Oiwa Garage · Listing updated June 2026.