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- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
The BOSCH Coolant Pump Auxiliary Heating is a premium OEM-quality auxiliary coolant pump manufactured by Bosch, designed to circulate coolant through the vehicle’s auxiliary heating and thermal management systems. Unlike the primary engine water pump, this electric auxiliary pump continues to move coolant independently of engine speed, helping to maintain consistent cabin heating performance and efficient coolant circulation during specific operating conditions.
Fits:
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Diagram Ref No 19
This pump plays an important role in vehicles equipped with auxiliary heating, heater booster systems, or advanced thermal management systems. Manufactured to Bosch’s exacting OEM standards, it provides reliable coolant flow, efficient operation, and long-term durability in demanding automotive environments.
What This Product Does:
- Circulates coolant through the auxiliary heating system
- Supports efficient cabin heating performance
- Maintains coolant flow independently of engine speed
- Assists the vehicle’s thermal management system
- Improves heat distribution during cold weather operation
- Helps maintain consistent coolant circulation when required by the ECU
Symptoms Of Wear Or Failure:
- Reduced or inconsistent cabin heating performance
- Slow heater warm-up times Insufficient heat output at idle speeds
- Coolant circulation faults or warning messages
- Whining, buzzing, or abnormal pump noises
- Coolant leaks around the pump housing
- Auxiliary heating system malfunction
- Fault codes relating to coolant circulation or auxiliary pump operation
Why Replacement Matters:
- Restores proper coolant circulation through the heating system
- Improves cabin heating performance and comfort
- Supports efficient operation of the vehicle's thermal management system
- Helps maintain consistent coolant flow under varying operating conditions
- Reduces the risk of heating system faults and warning messages
- Prevents excessive strain on related cooling and heating components
- Ensures reliable operation during cold weather conditions
- Maintains OEM-level performance, reliability, and efficiency
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95557215008
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Fits:
Porsche 958 Cayenne 3.0L DIESEL 2012-18
Porsche 970 Panamera 3.0L DIESEL 2012-16 (model: CRCC 184kW / CRCB 155kW)
Porsche 95B Macan 3.0L S 2014>>
Signs of a Failing Engine Water Pump
• Coolant Leaking From the Weep Hole
Fluid coming from the weep hole is a strong indication that the pump’s internal seals have deteriorated.
• Excessive Play in the Pump Pulley
Movement or wobbling at the pulley shaft suggests a worn bearing, which can lead to pump failure.
• Squeaking or Chirping Noise at Idle
A failing bearing often produces high-pitched noises when the engine is idling.
• Engine Overheating
If the pump can’t circulate coolant properly, the engine may begin to overheat.
• Low Coolant Warning Light
A cooling system leak—often caused by a worn water pump—may trigger a low coolant alert on the instrument cluster.
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810603331
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Fits:
Porsche 958 Cayenne 3.0L DIESEL 2012-18
Porsche 970 Panamera 3.0L DIESEL 2012-16 (model: CRCC 184kW / CRCB 155kW)
Porsche 95B Macan 3.0L S 2014>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810603331
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Fits:
Porsche 958 Cayenne 3.0L DIESEL 06/2010>>
Porsche 970 Panamera 3.0L DIESEL 2012-16 (model: CRCC 184kW / CRCB 155kW)
Porsche Macan 3.0L S DIESEL 02/2014>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
NOTE: Water Pump COMES WITH MOUNTING GASKET.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95810603331
The product you are viewing cross references to these numbers