Water Pump Impeller Repair Kit – Fits Mercury Marine 4–9.8 HP (Replaces 47-89981Q1, 47-89981T1, 47-89981T2) 3.8L-5.7L including MC-1

including MC-1

and JLM Marine 17400-87L00

It should be snug but not overly tight

35-897575T01

Water Pump Impeller Repair Kit – Fits Mercury Marine 4–9.8 HP (Replaces 47-89981Q1, 47-89981T1, 47-89981T2) 3.8L-5.7L including MC-1Product Details This Water Pump Impeller Repair Kit is designed for Mercury and Mariner 4, 4. 5, 6, 7. 5, and 9. 8 HP 2 stroke outboard motors manufactured between 1975 and 1986. The kit provides all the necessary components for a complete overhaul of the lower unit water pump to restore cooling performance. It serves as a direct replacement for Mercury part numbers 47 89981Q1, 47 89981T1, and 47 89981T2, as well as Sierra 18 3239, GLM 12270, and Soxa