Water Pump Impeller Kit - Compatible with Mercury Marine and Mercruiser - 1991-2021 - Replaces 817275Q05, 817275T4, 18-3147, 9-48315, 12414 - Alpha One Gen 2 Engines - Stern and Vazer Drives

• Replacement Upper Water Pump Repair Kit - Enables the boat to use the water where the boat is floating in. Either salt water or fresh water are both good to use to cool the engine. The impeller pressurizes the water to allow to circulate.
• Compatible with Mercury Marine and Mercruiser - 200, 225, 250, 300 HP 3.0L | Alpha One Gen II outdrives/stern drives from serial number: D469859 and above |. Regular replacement is neccessary to avoid damaging the engine by overheating because of insufficient cooling or because of broken impeller parts being sent to the engine.
• Replaces Part# 817275K05 | 817275Q05 | 817275Q4 | 817275T4 | 817275A4 | 18-3147 | 9-48315 | 12414 |. The water pump is located on the side of the engine connected to the belts. If you are hearing weird noises from the water pump, engine is overheating the pump impeller maybe broken and the housing is scored inside.
• OEM Fit, Quality, Finish - While this is not a genuine part it is a direct replacement and it will fit, work and function like the factory part. This is a complete repair kit manufactured by AA Ignition and includes a water pump impeller, impeller gaskets, impeller housing, seal, keystone, plate, and O-rings.
• 2 Years Warranty - This upper water pump impeller repair kit comes complete with a 2 year warranty. If the part ever fails on your Marine, Alpha 1 Gen 2 stern and vazer drive engine within the warranty period simply contact us for a replacement. Save time and money by purchasing this part, replacing it yourself and taking advantage of our warranty.

The water pump enables the boat to use the water where the boat is floating in. Either salt water or fresh water are both good to use to cool the engine. The impeller pressurizes the water to allow to circulate. Regular replacement is neccessary to avoid damaging the engine by overheating because of insufficient cooling or because of broken impeller parts being sent to the engine. The water pump is located on the side of the engine connected to the belts. If you are hearing weird noises from the water pump, engine is overheating the pump impeller maybe broken and the housing is scored inside. This is a complete repair kit manufactured by AA Ignition and includes a water pump impeller, impeller gaskets, housing, seal, keystone, plate, and O-rings.

Replaces part numbers: 817275K05, 817275Q05, 817275Q4, 817275T4, 817275A4, 18-3147, 9-48315, 12414

This water pump impeller kit is NOT a genuine part, Associated vehicle models are registered trademarks of their respective owners. These trademarks and part numbers are used in this listing only to identify the vehicles this water pump impeller kit fits. AA Ignition is a registered trade mark of GWA Auto Parts Inc.

The water pump enables the boat to use the water where the boat is floating in. Either salt water or fresh water are both good to use to cool the engine. The impeller pressurizes the water to allow to circulate for proper cooling. The water pump is located on the side of the engine connected to the belts. If you are hearing weird noises from the water pump, engine is overheating the pump impeller maybe broken and the housing is scored inside.

Regular replacement is necessary to avoid major damage to the engine caused by overheating due to insufficient cooling or because of broken impeller parts being sent to the engine.

Fits the Following Boat Engines:

• Mercury Mariner 200, 225, 250, 300 HP, 3.0L
• Mercruiser Alpha One Gen II stern drives from s/n D469859 and above

Replaces The Following Part Numbers:

• Mercury Marine: 817275T4, 817275Q05, 817275K05, 817275Q4
• Mallory Marine: 9-48315
• GLM: 12414
• Mercury Marine: 817275A5
• Sierra Marine: 18-3147
• Redline: RL3147

Complete Replacement Part Which Includes:

Experience the AA Ignition Difference!

This water pump impeller kit is NOT a genuine part, Associated vehicle models are registered trademarks of their respective owners. These trademarks and part numbers are used in this listing only to identify the vehicles this water pump impeller kit fits. AA Ignition is a registered trade mark of GWA Auto Parts Inc.