Product Overview
Impeller Service Kit

Keep your MerCruiser purring like a kitten with the EMP Impeller Service Kit. This essential kit provides everything you need to maintain the critical cooling system of your MC-1 & R/MR/Alpha One water pumps (1978-90 models). Don't let a failing impeller ruin your day on the water – ensure peak engine performance and prevent overheating with this comprehensive and reliable service kit.
Key Features
- **Direct Replacement for Mercury:** Designed as a precise fit for Mercury 89984Q5 | 89984T6 impellers, ensuring seamless compatibility.
- **Broad Compatibility:** Covers 1978-90 MC-1 & R/MR/Alpha One water pumps, keeping a wide range of classic MerCruiser engines cool and running smoothly.
- **Cross-Referenced for Convenience:** Easily find this kit using Sierra (18-3217), GLM (12290), and Mallory (9-48304) part numbers.
- **Prevent Overheating:** A fresh impeller is key to preventing engine overheating, extending the life of your engine and avoiding costly repairs.
- **Easy Installation:** Get back on the water quickly with a straightforward installation process (consult your service manual for specific instructions).
- **Peace of Mind:** Invest in quality and reliability with the EMP brand, ensuring worry-free boating.
Specifications
The Captain's Take
As a seasoned captain, I know that preventative maintenance is the key to a trouble-free boating experience. The EMP Impeller Service Kit is a must-have for any owner of a compatible MerCruiser. It's a small investment that offers huge returns in terms of engine performance and reliability. I highly recommend keeping one onboard for regular maintenance or unexpected emergencies.