Vaico
VAICO

Vaico V45-50001 Engine Water Pump

Brand Vaico V45-50001
Heating/Cooling Metal impeller
Height [mm] 85
Impeller Diameter [mm] 65
Length [mm] 195
Operating Mode Mechanical
Packaging height [cm] 18,2
Packaging width [cm] 18
Supplementary Article/Supplementary Info with seal
Weight [kg] 1.330
Width [mm] 175
Product line VAICO
Fits Porsche · 33 vehicles

Metal impeller. Mechanical water pump for efficient coolant circulation.

With seal. Includes the seal needed for a complete replacement.

VAICO line. Built under a brand known for OE-style replacement parts.

Cross-references Airtex AW9475, Dorman - HELP 42579 and Graf PA1081 for the same application. See all 18.

$168.86Free shipping
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Engine Water Pump for Porsche 911 and Boxster

The Vaico V45-50001 engine water pump is a mechanical cooling component built with a metal impeller and supplied with a seal. It is a direct-fit replacement for select Porsche 911 and Porsche Boxster applications, helping maintain proper coolant circulation in the engine cooling system.

VAICO product line parts are selected for application-specific fitment and OE-style serviceability, making this water pump a practical choice for Porsche 911 and Boxster cooling system repairs.

Key Features

  • Mechanical engine water pump for coolant circulation
  • Metal impeller construction for durable operation
  • Includes seal for installation on the pump assembly
  • Dimensions: 195 mm length, 175 mm width, 85 mm height
  • Impeller diameter: 65 mm
  • Fits select 1997-2004 Porsche Boxster and 1999-2005 Porsche 911 applications
  • Vaico part number V45-50001

Detailed Description

The Vaico V45-50001 is an engine water pump designed for mechanical operation in Porsche cooling systems. Its metal impeller supports consistent coolant movement through the engine, while the included seal helps support a proper pump-to-engine interface during service. This part is listed for 1999-2005 Porsche 911 and 1997-2004 Porsche Boxster models, making it a focused replacement option for common Porsche cooling system maintenance.

This water pump cross-references Graf PA1081 for the same application. The part number V45-50001 is also useful when searching for a Porsche 911 water pump or Porsche Boxster engine water pump by OE-style replacement reference.

What It Helps Address

  • Coolant circulation problems caused by a worn water pump
  • Engine overheating related to reduced pump performance
  • Coolant leaks at the pump sealing surface
  • Noise or bearing wear from an aging mechanical pump
  • Cooling system service on Porsche 911 and Boxster models

Installation Notes and Tips

Verify engine code and cooling system configuration before installation. Inspect the mating surface, hoses, thermostat, and drive components during service, and replace contaminated coolant as part of the repair. Confirm fitment against the vehicle’s model year and cooling system layout before ordering the Vaico V45-50001.

Quality Assurance

VAICO is an aftermarket brand focused on application-specific replacement parts for European vehicles. This water pump is built with a metal impeller and supplied with a seal to support a proper cooling system repair on compatible Porsche applications.

This part fits 33 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2005Porsche911Carrera 4SCoupe3.6LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2005Porsche911Convertible3.6LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2004Porsche911Carrera3.6LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2004Porsche911Carrera 4S3.6LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2004Porsche911Carrera 43.6LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2004Porsche91140th Anniversary Edition3.6LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2004PorscheBoxsterS3.2LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2004PorscheBoxsterS Special Edition3.2LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2004PorscheBoxsterBase2.7LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2003Porsche911Carrera3.6LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2003Porsche911Carrera 4S3.6LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2003Porsche911Carrera 43.6LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2003PorscheBoxsterRoadster S3.2LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2003PorscheBoxsterRoadster2.7LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2002Porsche911Targa3.6LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2002Porsche911Carrera3.6LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2002Porsche911Carrera 4S3.6LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2002Porsche911Carrera 43.6LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2002PorscheBoxsterRoadster S3.2LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2002PorscheBoxsterRoadster2.7LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2001Porsche911Carrera3.4LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2001Porsche911Carrera 43.4LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2001PorscheBoxsterRoadster S3.2LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2001PorscheBoxsterRoadster2.7LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2000Porsche911Carrera3.4LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2000Porsche911Carrera 43.4LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2000PorscheBoxsterRoadster S3.2LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
2000PorscheBoxsterRoadster2.7LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
1999Porsche911Carrera3.4LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
1999Porsche911Carrera 43.4LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
1999PorscheBoxsterBase2.5LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
1998PorscheBoxsterBase2.5LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
1997PorscheBoxsterBase2.5LH6N/AGrade: Aftermarket; Material Type: Metal Impeller; Incl.Pulley; VAICO
Directly replaces or cross-references 18 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Airtex — AW9475Dorman - HELP — 42579Graf — PA1081996 106 011 51996 106 011 52996 106 011 53996 106 011 54996 106 011 55996 106 011 5620824452515715821312307558352473108102099610601157P596WP9379