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Porsche > Panamera 970 MK1 (2009-2013) > 970.1 Panamera V6 3.6L 2WD 2009-13 > Engine Cooling >

Water / Coolant Pumps

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Water pump. Porsche 970 Panamera 2 / Panamera 4 - 94610603300
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Water pump. Porsche 970 Panamera 2 / Panamera 4
94610603300/2
Product Information
Product Information
Engine cooling water pump (coolant pump).
OE Match replacement engine cooling water pump engineered to replicate the fit and performance of the original Porsche coolant pump used on Panamera 970 models with 3.6L engines. It circulates coolant through the engine’s cooling system to maintain proper operating temperature and prevent overheating.

Fits:
Porsche 970.1 Panamera 2 3.6L 2011 - 2016
Porsche 970.1 Panamera 4 3.6L 2011 - 2016

Diagram ref no 1

The water pump is a critical component of the engine’s cooling system. It drives coolant flow from the radiator through the engine block and head, then back to the radiator. This constant circulation ensures the engine stays within optimal temperature range under all driving conditions, protecting internal components and preventing overheating.

Function:
• Circulates coolant through the engine and radiator to regulate temperature
•  Maintains even heat distribution throughout the engine block and heads
•  Supports reliable engine thermals for performance and emissions control
•  Helps prevent overheating, especially under high load and warm ambient conditions.

Without a functioning water pump, coolant cannot flow effectively, leading to rapid temperature rise and potential engine damage.

The water pump is essential for engine cooling and longevity. Over time, the pump’s internal bearings, impeller, and seals can wear, leading to:
•  Coolant leaks
•  Bearing noise or play
•  Reduced coolant flow
•  Overheating and thermal stres.

A failing water pump can quickly lead to engine damage if not addressed. Installing an OE Match water pump during cooling system service helps restore proper circulation and protects the engine from heat-related failure.

When to replace. Replace the water pump if:
•  You notice coolant leakage at the pump housing
•  There’s noise or rough operation from the pump area
•  The engine shows signs of overheating or rising temperature
•  You are performing timing belt/chain or cooling system overhaul
•  The existing pump is old, corroded, or service life has expired.

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94610603300
94610603300

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About Water / Coolant Pumps

Water / Coolant Pumps – Reliable Engine Cooling for Porsche Vehicles

Water / coolant pumps are at the heart of your Porsche’s cooling system. Their job is to circulate coolant through the engine, radiator, and heater core, maintaining the correct operating temperature and preventing overheating. A properly functioning water pump ensures efficient heat transfer, optimal performance, and long-term engine reliability.

At Design911, we supply a wide range of genuine and high-quality water pumps for Porsche models including 911, Boxster, Cayman, Cayenne, Macan, Panamera and the transaxle cars. Each pump is precision-engineered to deliver consistent coolant flow, high durability, and dependable performance - ensuring your Porsche’s engine stays cool under all driving conditions.

What Do Water Coolant Pumps Do?

Water pumps are a critical part of your engine’s temperature control system. They:

  • Circulate coolant between the engine block, radiator, and heater system.
  • Regulate temperature by dispersing heat efficiently throughout the system.
  • Maintain coolant pressure for consistent engine operation.
  • Support performance and longevity, preventing damage from excessive heat.

Without a properly working water pump, coolant circulation stops — leading to overheating, loss of performance, and potential engine failure.

Why Do Water Coolant Pumps Fail?

Even the most durable water pumps can fail over time due to heat, age, and coolant contamination. Common causes of failure include:

  • Bearing wear or seal leaks caused by prolonged use or poor coolant quality.
  • Corrosion or pitting from old or incompatible coolant mixtures.
  • Cracked impellers or worn components reducing flow efficiency.
  • Coolant leaks around the housing or pulley.
  • Age-related wear, especially in high-mileage vehicles.

Signs of failure include visible coolant leaks, high engine temperature, whining noises from the pump area, or reduced cabin heating.

Why Replace a Faulty Water Coolant Pump?

A failing water pump can cause severe engine overheating, loss of coolant, or total breakdown. Replacing a worn pump restores reliable cooling and helps protect your engine from costly damage.

Benefits of replacement include:

  • Restored coolant circulation and cooling efficiency.
  • Improved engine reliability and performance.
  • Prevention of leaks, overheating, and corrosion.
  • Long-lasting, high-quality construction for dependable operation.

All water pumps in this range are built using high-strength materials, precision impellers, and sealed bearings designed to deliver durability, quiet operation, and efficient coolant flow over time.


Porsche Water Pumps: Common Issues, Fixes, and Upgrades #porsche #porscheparts #porscheupgrade

In this tech talk, Lawrence from Design 911 breaks down everything you need to know about water pumps for Porsche models. From the iconic 911 to the Cayenne and Macan, discover why the water pump is one of the most crucial components in your car’s cooling system. 

Learn how water pumps work, the common signs of failure, and why regular replacement is essential to avoid catastrophic engine damage.

Whether you're maintaining your Porsche or considering a water pump upgrade, this video covers original and aftermarket options, as well as the pros and cons of plastic vs. metal impellers. Watch now to keep your Porsche running at its best!
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