Coolant regulator. This part number supersedes to PAB121111B Genuine Porsche part PAC121111C

Keep your Porsche Macan 2.0L running at the correct temperature with this OEM-equivalent engine water pump and thermostat housing assembly. Supplied as a complete module with thermostat, it’s designed as a direct replacement for the factory unit used on the 95B Macan 2.0 from 2015–2018.  

Key Features

• Complete water pump + thermostat + housing assembly
• Direct fit for Porsche 95B Macan 2.0L (petrol) 2015–2018
• Mechanical pump design for reliable coolant circulation
• Integrated thermostat for precise, factory-spec temperature control
• OEM cross-reference: PAC121111C / Porsche 95812101200, 95812111100, 95812111110, 95812111111, PAC121111A/B, PAC121012B
• You can drop this unit straight in place of the original without modification, ideal for both dealer-level and independent workshop repairs.

Fits:
Porsche 95B Macan 2.0L 2015-18

Why this part should be replaced

• On the 2.0-litre Macan, the water pump and thermostat housing is a known weak point. Owners and specialists frequently report:
• Coolant leaks from the pump or the plastic housing seams
• Cracks or warping in the thermostat housing over time
• Internal seal failure, allowing coolant to escape
• Sticking thermostat, causing the engine to run too cold or overheat
• Because the pump, thermostat and housing are integrated, it’s more cost-effective and reliable to replace the complete assembly rather than just the thermostat or pump alone.

Typical reasons to replace:

• Visible coolant leak at the front/right-hand side of the engine
• Repeated “Check coolant level” warnings
• Engine temperature running higher or lower than normal
• Overheating in traffic or under load
• Preventive maintenance when doing major cooling or front-engine work

Diagram ref: 1 & 4

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB121111B

The product you are viewing cross references to these numbers

Thermostat with housing.

Fits:
Porsche 971 Panamera 2.9L V6 Bi Turbo 2017-2020
Porsche 971 Panamera 2.9L Hybrid 2017-2020
Porsche 971 Panamera 3.0L V6 Turbo 2017-2020

Porsche 971.2 Panamera 2.9L 2021>>
Porsche 971.2 Panamera 4 E-Hybrid 2.9L 2021>>

Porsche 9YA Cayenne 2.9L V6 Bi Turbo 2017-2020
Porsche 9YA Cayenne 3.0L V6 Turbo 2017-2020
Porsche 9YA Cayenne E-Hybrid 3.0L V6 Turbo 2019-2023

Porsche 95B.2 Macan 2.9L 2019>>
Porsche 95B.2 Macan 3.0L 2019>>
Porsche 95B.3 Macan 2.9L 2022>>

Diagram ref no 6

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB121115B

The product you are viewing cross references to these numbers

Thermostat with housing.

Fits:
Porsche 971 Panamera 2.9L V6 Bi Turbo 2017-2020
Porsche 971 Panamera 2.9L Hybrid 2017-2020
Porsche 971 Panamera 3.0L V6 Turbo 2017-2020

Porsche 971.2 Panamera 2.9L 2021>>
Porsche 971.2 Panamera 4 E-Hybrid 2.9L 2021>>

Porsche 9YA Cayenne 2.9L V6 Bi Turbo 2017-2020
Porsche 9YA Cayenne 3.0L V6 Turbo 2017-2020

Porsche 95B.2 Macan 2.9L 2019>>
Porsche 95B.2 Macan 3.0L 2019>>
Porsche 95B.3 Macan 2.9L 2022>>

Diagram ref no 6

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB121115B

The product you are viewing cross references to these numbers

Water pump thermostat. Porsche 95B Macan 2.0L

Fits:
Porsche 95B Macan 2.0L 2015 - 2018

Diagram ref no 1

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB121111B

The product you are viewing cross references to these numbers

Keep your Porsche Macan 2.0L running at the correct temperature with this OEM-equivalent engine water pump and thermostat housing assembly. Supplied as a complete module with thermostat, coupling and drive belt it’s designed as a direct replacement for the factory unit used on the 95B Macan 2.0 from 2015–2018.  

Key Features

• Complete water pump + thermostat + coupling + drive belt + housing assembly
• Direct fit for Porsche 95B Macan 2.0L (petrol) 2015–2018
• Mechanical pump design for reliable coolant circulation
• Integrated thermostat for precise, factory-spec temperature control
• OEM cross-reference: PAC121111C / Porsche 95812101200, 95812111100, 95812111110, 95812111111, PAC121111A/B, PAC121012B
• You can drop this unit straight in place of the original without modification, ideal for both dealer-level and independent workshop repairs.

Fits:
Porsche 95B Macan 2.0L 2015-18

Diagram ref: 1, 4, 7 and 9

Why this part should be replaced

• On the 2.0-litre Macan, the water pump and thermostat housing is a known weak point. Owners and specialists frequently report:
• Coolant leaks from the pump or the plastic housing seams
• Cracks or warping in the thermostat housing over time
• Internal seal failure, allowing coolant to escape
• Sticking thermostat, causing the engine to run too cold or overheat
• Because the pump, thermostat and housing are integrated, it’s more cost-effective and reliable to replace the complete assembly rather than just the thermostat or pump alone.

Typical reasons to replace:

• Visible coolant leak at the front/right-hand side of the engine
• Repeated “Check coolant level” warnings
• Engine temperature running higher or lower than normal
• Overheating in traffic or under load
• Preventive maintenance when doing major cooling or front-engine work

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB121111B

The product you are viewing cross references to these numbers

Water Pump With Thermostat.

This OE MATCH water pump with integrated thermostat is a vital component of the engine cooling system, designed to regulate coolant flow and maintain optimal engine operating temperature. This combined unit integrates both the coolant pump and thermostat housing, simplifying installation and ensuring efficient thermal management.

Fits:

• Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
• Porsche 95B.2 Macan Petrol 2.0L (245Bhp) 2019-21

Diagram Ref No 1

What This Product Does:

• Circulates coolant throughout the engine and radiator
• Regulates coolant flow based on engine temperature
• Maintains optimal engine operating temperature
• Prevents overheating and excessive cooling

Symptoms Of Wear Or Failure:

• Engine overheating or fluctuating temperature
• Coolant leaks around the pump or housing
• Unusual noise from the water pump (bearing failure)
• Slow engine warm-up or running too cold (faulty thermostat)
• Warning lights related to engine temperature

Why Replacement Matters:

• Prevents engine overheating and potential damage
• Ensures proper coolant circulation and temperature control
• Improves engine efficiency and performance
• Reduces risk of costly repairs caused by overheating
• Restores reliable operation of the cooling system

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB121111B

The product you are viewing cross references to these numbers