Fuel Filter - Honda Acty Truck HA3, HA4 Models - 1990-1999

This fuel filter fits the Honda Acty Truck HA3, HA4 (1990-1999). It traps rust and sediment before fuel reaches the carburetor.

Vehicle Fitment & Compatibility

Confirm your chassis code against the table below before ordering.

Signs you need this fuel filter

• Hesitation, stumble, or power loss under load
• Hard starting or stalling
• A filter that looks dark or full of sediment
• Old fuel or a tank that has sat

Features & Function

• Protects the carburetor from rust and grit
• Restores steady fuel delivery
• Cheap insurance on a truck that often sits

Installation Specifications

• Difficulty: Easy.
• Estimated time: about 20 to 30 minutes.
• Required tools: Hose clamp pliers, a rag, and a small catch pan.

Frequently Asked Questions

How often should the fuel filter be changed?

Every couple of years, or sooner if the truck sat with old fuel. It is a cheap part that prevents carb trouble.

Which way does it install?

Note the flow-direction arrow and match it to the fuel path from the tank to the carburetor.

How do I test if my fuel filter is clogged?

A clogged filter shows as hesitation or power loss under load and hard hot restarts. With the engine off you can crack the outlet line into a container and check for strong flow, or simply replace it if the truck has sat with old fuel.

Fitment verified by the Kei truck specialists at Oiwa Garage · Listing updated June 2026.