Description
The WSM Replacement Jet Pump Housing w/Wear Ring for Yamaha 1800 (14-19) (160mm) is the right fix when your original pump housing is worn scored or out of spec. A damaged housing can cause cavitation vibration and inconsistent hookup even with a good impeller. Replacing the housing and wear ring together restores proper clearance so the pump can seal and move water efficiently.
This is a strong choice for rebuilds after sand ingestion or when the ski has many hours. A fresh housing helps the impeller run true and keeps the pump load stable at launch and at speed.
Size: 160mm. Confirm your exact model and year before ordering and match the pump size in your service manual.
- Replacement pump housing with wear ring for a complete refresh
- Helps correct excessive clearance that leads to cavitation and slip
- Supports smoother acceleration and more consistent top end load
- Ideal during impeller changes pump rebuilds and shaft service
- Designed for marine exposure heat cycling and constant vibration
- Quality controlled to WSM standards for fit and durability
Install notes: Inspect the impeller shaft and pump shoe surfaces. Clean all mating areas and assemble square. Verify free rotation after assembly and recheck for leaks after the first ride.
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