FASWORX 817275A5 Complete Water Pump Rebuild Impeller Kit Replaces 817275Q05, 18-3147 - Compatible with MerCruiser Alpha One Gen 2, Vazer Drives & Mercury Mariner 200 225 250 HP 3.0L V6 Outboard

FASWORX Premium Complete Water Pump Rebuild Kit (Replaces 817275Q05) Protect your marine engine from costly overheating damage with the FASWORX Complete Water Pump Rebuild Kit. Designed for high-performance cooling, this comprehensive 11-piece service kit contains all the necessary components to completely overhaul the upper water pump on compatible MerCruiser stern drives and Mercury outboards. Constructed with a heavy-duty, corrosion-resistant housing and a premium neoprene impeller, FASWORX marine parts are engineered to withstand extreme freshwater and saltwater conditions while maintaining optimal water flow. Crucial Fitment Information: Marine model years are often inaccurate for part identification. Always verify compatibility using your drive or engine serial number prior to purchase. Compatible Applications: MerCruiser Alpha One Gen II: Fits Serial Numbers 0D469859 & Up (Note: This kit is entirely different from and will NOT fit Alpha One Gen I drives) MerCruiser Vazer Drives: Fits all standard models Mercury & Mariner Outboards: Fits 200 HP, 225 HP, and 250 HP models equipped with the 3.0L V6 block. Replaces Part Numbers: OEM: 817275Q05, 817275K05, 817275A5, 817275A4, 817275A3, 817275Q4, 817275T4 Aftermarket: Sierra 18-3147, GLM 12043, Mallory 9-48315

• VERIFY BY SERIAL NUMBER: Model years are estimates and can lead to incorrect orders. Always confirm fitment via your engine or drive's serial number. This kit strictly fits MerCruiser Alpha One Gen II (S/N 0D469859 & Up), Vazer drives, and Mercury 3.0L V6. DOES NOT fit Gen I drives.
• DIRECT OEM REPLACEMENT: Engineered to seamlessly replace OEM part numbers 817275Q05, 817275K05, 817275A5, 817275A4, 817275A3, 817275Q4, 817275T4. Also replaces aftermarket cross-references including Sierra 18-3147, GLM 12043, and Mallory 9-48315.
• COMPLETE 11-PIECE OVERHAUL KIT: Everything required to service your lower unit water pump is included. Comes with (1) upper housing, (1) neoprene impeller, (1) wear plate, (1) key, (1) base gasket, plus all necessary O-rings and guide fittings.
• MARINE-GRADE DURABILITY: Built for the harshest saltwater and freshwater environments. Features a corrosion-resistant upper housing and a heavy-duty neoprene rubber impeller designed to deliver maximum cooling flow rates and prevent engine overheating.
• FASWORX RELIABILITY: Manufactured to meet or exceed original equipment specifications. Restore your marine engine's cooling system to peak operating performance with precision-engineered aftermarket components you can trust on the water.