Radiator Inline Filler 1.5in Hose to 1.5in Hose - 3423
Radiator Inline Filler 1.5in Hose to 1.5in Hose - 3423
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Ensure optimal engine performance with the HOWE Radiator Inline Filler, designed for seamless connection between 1.5-inch hoses. This essential component helps maintain proper coolant levels, ensuring your vehicle runs smoothly.
- Easy Installation: Fits standard 1.5-inch hoses for a hassle-free setup.
- Durable Construction: Built to withstand high temperatures and pressure, enhancing longevity.
- Improved Cooling Efficiency: Maintains consistent coolant flow, preventing overheating and engine damage.
- Lightweight Design: Weighing only 0.295 lbs, it won’t add unnecessary bulk to your cooling system.
This radiator inline filler is specifically designed for 1.5-inch hose connections, making it a reliable choice for your heating and cooling needs. Trust in HOWE for quality and performance.
Upgrade your vehicle's cooling system with the HOWE Radiator Inline Filler for dependable performance.

About this cooling part
Hoses, the thermostat and the cap age together, so they are often replaced as a group.
Fitment notes
- Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentParts that usually go with it
- Coolant. Use the correct type.
- Thermostat. Cheap while the system is drained.
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