Water Pump Assembly For Honda VTX1800 C/S/R/N/F/T All Edition 2002-2008 19200-MCH-000
Brand Name: M MATI
Origin: Mainland China
For ATV Brand/Model: HONDA
Special Features: Water Pump Assy
MPN : 19200-MCH-000
Package : Water Pump Assembly x1
Warranty : 1 year
Condition: New
🛠️ Installation Tips
-
Completely Drain & Flush: Before installation, drain the old coolant and flush the system with distilled water. Debris or scale from the old system can damage the new pump's mechanical seal.
-
O-Ring Lubrication: This pump typically uses multiple O-rings on the water pipes. Apply a thin coat of coolant or silicone grease to the O-rings before sliding the pipes into the pump to prevent them from pinching or tearing.
-
Verify Gear Alignment: The water pump is driven by the engine's internal gears. When inserting the pump, ensure the drive slot/gear aligns perfectly. Do not force it; it should slide in smoothly when properly aligned.
-
Replace the Gaskets: Always use a new mounting gasket and ensure the engine casing surface is perfectly clean and free of old gasket material.
-
Proper Bleeding: After refilling with Honda-compatible (silicate-free) coolant, follow the factory procedure to bleed air bubbles from the cooling system. Air pockets can cause localized overheating and pump cavitation.
Fit for following HONDA Motorcycle
- VTX1800C 2002-2008 (All Edition)
* VTX1800S 2002-2006 (All Edition)
* VTX1800R 2002-2008 (All Edition)
* VTX1800N 2004-2008 (All Edition)
* VTX1800F 2005-2008 (All Edition)
* VTX1800T 2007-2008 (All Edition)
🔍 Troubleshooting Guide
| Issue | Possible Cause | Solution |
| Coolant Leaking from Weep Hole | Mechanical seal failure. | A small amount of "weeping" is normal during the first few miles (break-in). If it persists or is a steady drip, the mechanical seal is compromised. |
| Overheating at Idle | Air trapped in system or faulty thermostat. | Ensure the cooling system was properly bled. Also, check the thermostat and radiator fan switch, as they often fail alongside the pump. |
| Whirring or Grinding Noise | Bearing failure or gear misalignment. | Check if the pump was bolted down evenly. A crooked installation puts stress on the bearings, leading to premature noise and failure. |
| Oil and Coolant Mixing | Failed internal oil seal. | If you see "milky" oil or oil in the radiator, the internal oil seal on the pump shaft is leaking. Replace the pump unit immediately. |
| Reduced Coolant Flow | Clogged radiator or hose kink. | Ensure all hoses are routed correctly without kinks. If the pump is spinning but flow is low, the radiator may be partially blocked by scale. |






Description
Brand Name: M MATI
Origin: Mainland China
For ATV Brand/Model: HONDA
Special Features: Water Pump Assy
MPN : 19200-MCH-000
Package : Water Pump Assembly x1
Warranty : 1 year
Condition: New
🛠️ Installation Tips
-
Completely Drain & Flush: Before installation, drain the old coolant and flush the system with distilled water. Debris or scale from the old system can damage the new pump's mechanical seal.
-
O-Ring Lubrication: This pump typically uses multiple O-rings on the water pipes. Apply a thin coat of coolant or silicone grease to the O-rings before sliding the pipes into the pump to prevent them from pinching or tearing.
-
Verify Gear Alignment: The water pump is driven by the engine's internal gears. When inserting the pump, ensure the drive slot/gear aligns perfectly. Do not force it; it should slide in smoothly when properly aligned.
-
Replace the Gaskets: Always use a new mounting gasket and ensure the engine casing surface is perfectly clean and free of old gasket material.
-
Proper Bleeding: After refilling with Honda-compatible (silicate-free) coolant, follow the factory procedure to bleed air bubbles from the cooling system. Air pockets can cause localized overheating and pump cavitation.
Fit for following HONDA Motorcycle
- VTX1800C 2002-2008 (All Edition)
* VTX1800S 2002-2006 (All Edition)
* VTX1800R 2002-2008 (All Edition)
* VTX1800N 2004-2008 (All Edition)
* VTX1800F 2005-2008 (All Edition)
* VTX1800T 2007-2008 (All Edition)
🔍 Troubleshooting Guide
| Issue | Possible Cause | Solution |
| Coolant Leaking from Weep Hole | Mechanical seal failure. | A small amount of "weeping" is normal during the first few miles (break-in). If it persists or is a steady drip, the mechanical seal is compromised. |
| Overheating at Idle | Air trapped in system or faulty thermostat. | Ensure the cooling system was properly bled. Also, check the thermostat and radiator fan switch, as they often fail alongside the pump. |
| Whirring or Grinding Noise | Bearing failure or gear misalignment. | Check if the pump was bolted down evenly. A crooked installation puts stress on the bearings, leading to premature noise and failure. |
| Oil and Coolant Mixing | Failed internal oil seal. | If you see "milky" oil or oil in the radiator, the internal oil seal on the pump shaft is leaking. Replace the pump unit immediately. |
| Reduced Coolant Flow | Clogged radiator or hose kink. | Ensure all hoses are routed correctly without kinks. If the pump is spinning but flow is low, the radiator may be partially blocked by scale. |























