20 Most Recent Honda Water Pump Impeller Outboard 35, 40, 45, 50 Hp 18-3248 19210-zv5-003 Questions & Answers


Go to http://marine.honda.com/support/manuals and search your engine. Also try http://m.marine.honda.com/support/manuals

Honda Water Pump... | Answered on Aug 08, 2014


I can only help on a Honda 50hp 2003. Any Honda center or parts center. That's all I know. JMC

Honda Water Pump... | Answered on Jun 29, 2014


Remove the spark plug, this will rule out hydrostatic load on the engine. Try to pull it again. If it is still stuck, You will need to try to turn the pump.

Make sure there is engine oil too.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/matt_8dbc24bf722649ac

Honda Plumbing | Answered on Feb 18, 2014


Visit Lowes or Northern Tools stores to ask for assistance.

Plumbing | Answered on Sep 09, 2020


The pressure produced by a pump depends on it's capacity and efficiency, the power of the motor driving the pump and the resistance of the pipework.
Without the resistance provided by the usual pipework the pump produces negligible pressure and just merely moves the liquid.

Given the motor power and pump capacity/efficiency are fixed values, the only reason the pressure would increase is the resistance provided by the pipework has increased.

Plumbing | Answered on Jul 30, 2020


If it isn't too late, I have a single crystal knob also. Couldn't find another when one of mine broke, so I bought two in the chrome finish. Let me know if you're interested in my (unbroken!) crystal knob.

Plumbing | Answered on Jun 30, 2020


  1. Step 1: TURN OFF WATER.
  2. Step 2: PRY OFF HANDLE.
  3. Step 3: REMOVE HANDLE FROM ASSEMBLY.
  4. Step 4: REMOVE THE RETAINING NUT.
  5. Step 5: REMOVE THE RETAINING CLIP.
  6. Step 6: REMOVE THE O-RING.
  7. Step 7: REPLACE THE CARTRIDGE.
  8. Step 8: REINSTALL THE O-RING.

Plumbing | Answered on Jun 17, 2020

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