Water Pump Impeller Kit For Mercury Mariner 4/4.5/7.5/9.8 HP 46-70941A3, 18-3446
Water Pump Impeller Kit For Mercury Mariner 4/4.5/7.5/9.8 HP 46-70941A3, 18-3446
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Water Pump Impeller Kit for Mercury Mariner
Replacement water pump impeller kit for Mercury Mariner outboards, includes impeller and gaskets, cross-references OEM 46-70941A3 and 18-3446.
Overview
This water pump impeller kit is designed for Mercury Mariner outboards, providing reliable cooling system performance. The water pump impeller kit ensures proper water circulation to prevent overheating. Suitable for Mercury Mariner 4, 4.5, 7.5, and 9.8 HP models.
Built For Performance
- Precision-molded rubber impeller for efficient water flow
- Includes gaskets and seals for a complete repair
- Direct replacement for OEM part numbers 46-70941A3 and 18-3446
- Durable construction resists wear from debris and heat
- Easy to install with basic hand tools
Fits These Machines
- for Mercury Mariner 4 HP outboard
- for Mercury Mariner 4.5 HP outboard
- for Mercury Mariner 7.5 HP outboard
- for Mercury Mariner 9.8 HP outboard
On-The-Job Use
- Freshwater and saltwater cooling system maintenance
- Annual impeller replacement for outboard motors
- Restores cooling performance on older engines
- Works for fishing boats, dinghies, and small craft
Specs At A Glance
| Part Number(s) | 46-70941A3, 18-3446 |
| HP Range | 4, 4.5, 7.5, 9.8 HP |
| Brand Compatibility | for Mercury Mariner |
Good To Know
Q: Does this kit include the impeller housing? A: No, it includes the impeller, gaskets, and seals; the housing is reused from your existing pump.
Q: Will this fit a Mercury 8 HP model? A: This kit is specified for 4, 4.5, 7.5, and 9.8 HP models only; confirm your engine's serial number for compatibility.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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