FASWORX 46-99157T2 Upper Water Pump Repair Kit for Mercury Mariner 9.9 15 20 25 HP Outboards, Replaces 46-99157A2, 46-99157A02, 85098A2, Fits 2-Stroke & 4-Stroke 323cc Bigfoot Models

Maximize Engine Longevity with FASWORX Professional Cooling Solutions Protect your investment and prevent overheating with the FASWORX Upper Water Pump Repair Kit. Specifically designed for the 9.9HP through 25HP Mercury/Mariner range, this kit is the definitive choice for boaters who demand reliability beyond the standard OEM specifications. Why FASWORX Engineering Matters In the marine environment, "good enough" leads to downtime. We focus on material science to deliver parts that outlast the competition. By utilizing 316 Stainless Steel for our wear plates and EPDM rubber for our impellers, we ensure your engine stays cool even during extended high-speed runs or in silt-heavy waters. Technical Fitment Data: Mercury/Mariner 2-Stroke: 15HP, 18HP, 20HP, 25HP, and 25HP Sea Pro/Marathon models. Mercury/Mariner 4-Stroke: 8HP, 9.9HP, and 15HP models (including 323cc Bigfoot units 1998 & newer). Force Outboards: 20HP and 25HP models (1995–1999). Package Includes: (1) Upper Pump Housing, (1) Premium Impeller, (1) Stainless Steel Wear Plate, (1) Water Tube Guide, and all required gaskets and seals. Note: Please verify your engine serial number prior to purchase to ensure compatibility with your specific gearcase configuration.

• EXACT OEM SPECIFICATION: Engineered as a direct replacement for part numbers 46-99157A02 46-99157T2, 46-99157A2, 99157T2, 99157A2, 99157A02, 85098A2. This kit ensures a precise fit and seamless installation for select Mercury, Mariner, and Force outboard engines.
• 316 STAINLESS STEEL HARDWARE: Featuring a high-grade 316 stainless steel wear plate, this kit is built to withstand the harshest salt and brackish water environments, preventing corrosion and extending the life of your cooling system.
• EPDM RUBBER IMPELLER: Our high-performance impeller is molded from premium EPDM rubber. Unlike standard neoprene, it resists thermal fatigue and "blade set," maintaining its shape and flexibility for consistent water flow and cooling.
• HIGH-IMPACT POLYMER HOUSING: The included pump housing is manufactured from reinforced, heat-resistant polymers to prevent warping and cavitation under high-pressure conditions, ensuring peak performance at all RPM ranges.
• COMPLETE MAINTENANCE SOLUTION: This all-in-one upper pump kit includes the housing, impeller, wear plate, guide sleeve, gaskets, and O-rings. Everything you need for a professional-grade overhaul in one package.