What is the construction and purpose of thermostats and housings in the cooling system?

Thermostats and housings in the cooling system are an assembly responsible for directing coolant flow between the engine and the radiator. A typical set consists of a thermostatic insert, a housing body, a gasket, and connection ports. This element is located in the engine compartment and is mounted in the location provided by the manufacturer for the given cooling circuit.

What is the construction and function of a thermostat gasket?

A thermostat gasket is a sealing element mounted between the housing and the contact surface in the cooling system. Its task is to maintain tightness during changes in temperature and operating pressure. In practice, one must pay attention to the gasket material, its profile, and compatibility with the specific body and OEM number.

How to choose a thermostat or housing for a specific car?

The safest way is to compare the OEM part number, interchangeable numbers, engine version, fuel type, and the layout of ports and mounts. In many cars, the presence of a temperature sensor and the type of seal also matter. When selecting, it is worth checking compatibility by VIN and comparing photos of the element with the removed part.

What symptoms indicate a problem with a thermostat or housing?

The most common symptoms are engine overheating, slow warm-up, fluctuations in temperature readings, and coolant leaks around the housing. Sometimes, weaker interior heating or traces of dried fluid near the ports also appear. Such symptoms should be assessed together with the condition of the hoses, gasket, and fluid level.

What does the proper installation of a thermostat and housing involve?

Installation involves cleaning the contact surfaces, installing the correct gasket, and securing the part without stressing the hoses. After replacement, the coolant must be topped up and the system bled according to the procedure for the specific car version. It is also worth checking for leaks after the engine has warmed up and verifying that the operating temperature returns to stable values.

Thermostats and housings in the cooling system

Q: What are thermostats and housings in the cooling system used for?

Thermostats and housings are used to maintain the proper operating temperature of the engine unit and to control the moment of fluid flow to the radiator. A functional thermostat accelerates reaching operating temperature, and a tight housing prevents fluid loss. Without these elements, the engine may run too cold or overheat, which affects fuel consumption, lubrication, and equipment durability.

At Global Parts, we offer a wide selection of original used car parts, including thermostats and housings for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our thermostats and housings undergo quality control to ensure you receive a top-quality product.

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BMW F01 F10 F11 Petrol Enigne Coolant Cooling System Thermostat Housing 8671517

€23.95

Part no. A2762000115

Mercedes C204 Engine Coolant Thermostat Housing M276 A2762000115

€80.95

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Volkswagen Touareg 7L Coolant Thermostat Housing Assembly 022121111G

€23.95

Part no. 9M5Q8A586BA

Ford Transit Connect Mk2 Engine Cooling Coolant Thermostat Housing 9M5Q-8A586-BA

€28.95

Part no. 06L121111H

VW Volkswagen Golf 5G 2.0 TFSI CHHA Thermostat Coolant Housing Pump 06L121111H

€85.95

Part no. 8671516

Thermostat BMW F10 F12 F07GT F06 Petrol N55 Coolant Thermostat 8671516

€23.95

Part no. 9684588980-1

Citroen Peugeot 1.6 HDI Thermostat Coolant Unit Housing Diesel 9684588980

€23.95

Part no. 1707050-1

Ford Fiesta Mk7 Focus Mk3 B-Max Thermostat Housing Coolant Flange 2S6G-9K478-BD

€23.95

Part no. 06L121111J

Audi S3 8V 2.0 TFSI DJHA Water Pump Thermostat Coolant Regulator 06L121111J

€42.95

Part no. 022121117C

Audi A3 8P 3.2 BMJ Petrol Engine Water Thermostat Coolant Housing 022121117C

€28.95

Part no. LR001312

Land Rover Range Rover Evoque Freelander L359 Thermostat Housing 2.2 LR001312

€28.95

Part no. BK2Q-8A586-AB

Ford Transit MK8 Custom 2.2 TDCi Thermostat Coolant Housing Diesel BK2Q-8A586-AB

€23.95

Part no. 7549476

BMW E60 E61 E63 E65 E81 E87 E90 E91 E93 Petrol Thermostat Housing 7549476

€23.95

Part no. 059121111AA

Audi A5 8T Q5 8R 3.0 TDI Diesel Thermostat Coolant 059121111AA

€23.95

Part no. LR105975

Land Rover Discovery Sport L550 Thermostat Housing AJ200 204DT G4D3-8575-BE

€89.95

Part no. 1096283

Ford Transit Mk7 MK8 Thermostat Coolant Housing 2.2 TDCi CYFB Diesel 1096283

€23.95

Part no. A6112000715

Mercedes Vito W639 Diesel OM646 Coolant Water Thermostat A6112031975

€23.95

Part no. 7809191-1

BMW Mini Cooper D R55 R56 Engine Thermostat Hose Pipe 7809191

€23.95

Part no. 022121121D

Volkswagen Touareg 7L Thermostat Housing 3.2 V6 Petrol 022121121D

€28.95

Part no. 2S4Q9K478AD

Ford Transit Connect 1.8 TDCi Thermostat Coolant Housing Diesel 2S4Q-9K478-AD

€23.95

Part no. 8472111

BMW F40 G20 G21 G30 X3 G01 Mini F55 F56 F60 Coolant Thermostat Housing 8472111

€23.95

Part no. 8601366-2

Thermostat Housing Support Mini F55 F56 F57 BMW F45 F46 Petrol Engine 2381337

€23.95

Part no. 1566316

Ford Focus Mk2 Coolant Cooling Thermostat 2.0 Petrol Engine 4M5G-8575-GA

€23.95

Part no. 7600586-2

BMW F20 F30 F31 N13 Thermostat Coolant Flange 7600586 11537600586

€23.95

Part no. 2465016

Mini Cooper R50 R52 Thermostat Housing Water Pump Cooling System 2465016

€37.95

Part no. 03L121132Q

Skoda Octavia 1Z 2.0 TDI CEGA Water Coolant Thermostat Housing 03L121132Q

€23.95

Part no. 8512234

Thermostat BMW E90 E92 LCI F10 X5 F15 F20 F21 F30 F31 Thermostat Insert 8512234

€23.95

Part no. 7829959-1

Mini Cooper One R50 R52 W10 Thermostat Housing Engine Cooling 7829959

€23.95

Part no. KK2Q-9K478-CA

Ford Transit Mk8 2.0 Ecoblue Thermostat Water Housing KK2Q-9K478-CA

€42.95

Part no. A6072000315

Mercedes W176 OM607 Diesel Coolant Thermostat Cooling Unit 110609813R

€23.95

Part no. 5C0971230J

Volkswagen New Beetle Alternator Generator Wiring Harness Cable 5C0971230J

€28.95

Part no. 03L121111R

Volkswagen Golf Caddy 1.6 TDI CAY Water Coolant Thermostat Housing 03L121111R

€28.95

Part no. 059121111N

Audi Q7 4L Diesel Engine Thermostat Housing 3.0 TDI 059121111N

€28.95

Part no. 03H121121C

VW Passat CC Touareg 7L Thermostat Cover Coolant Pump Regulator 03H121121C

€23.95

Part no. 2126629

Ford Fiesta Mk8 Focus Mk4 Thermostat Housing 1.5 Petrol GN1G-9K478-BA 2126629

€28.95

Part no. 7835220-1

BMW 5 6 E60 M5 E63 M5 Waterpump Thermostat Connector Cylinder 1-5 7833988

€23.95

Part no. A6512001100

Mercedes W910 OM651 Diesel Coolant Thermostat Housing Unit A6512001100

€23.95

Part no. 8200074349

Renault Trafic Opel Vivaro Water Coolant Thermostat Housing 8200074349

€23.95

Part no. 8200801570

Thermostat Nissan Qashqai Renault 2.0 dCi Thermostat Housing 8200801570

€23.95

Part no. THE0040

Engine Cooling Coolant Thermostat DriveTec THE0040 Plastic Thermostat 105°C

€23.95

Part no. 94810601603

Porsche Cayenne 9PA Thermostat Housing Coolant Pipe 4.5 Petrol 94810601603

€47.95

Part no. 46338853

Fiat Ducato Mk3 Coolant Thermostat Housing Assembly 46338853

€37.95

Part no. A1602000315

Smart Fortwo 450 Thermostat Housing Coolant Flange 0.7 Petrol Engine A1602000315

€23.95

Part no. 7596787

Mini R50 R52 R53 Thermostat With Gasket Coolant Unit 7596787

€23.95

Part no. A1122030275

Mercedes W208 W209 W220 Water Pump Thermostat Housing A1122030275

€23.95

Part no. 8631943-7

BMW F44 X1 F48 Mini F55 F56 Thermostat Housing Heat Management Module 8631943

€23.95

Part no. 06F121111F

VW Volkswagen Golf 5 2.0 TFSI BWA Coolant Thermostat Housing 06F121111F

€23.95

Part no. 1890165

Ford Kuga C520 Coolant Thermostat Water Outlet Flange 1.5 EcoBoost DS7G-9K478-DB

€23.95

Part no. 06E121111M

Audi A4 B7 B8 A6 C6 Petrol Engine Water Coolant Thermostat Housing 06E121111M

€23.95

Part no. 99610601359

Porsche Cayman 987C Carrera 996 Coolant Regulator Thermostat Housing 99610601359

€28.95

Part no. 1767974

Ford Focus Mk3 Fiesta Mk7 Thermostat Housing 1.6 Petrol BM5G-9K478-AB

€23.95

Part no. 2152998

Ford Fiesta Mk7 Coolant Thermostat Housing EcoBoost Petrol CM5G-8575-HA

€56.95

Part no. A6512000558

Thermostat Housing Mercedes W176 C117 OM651 Coolant Unit Mount A6512000558

€28.95

Part no. A6462001115

Mercedes C W203 OM646 Diesel Engine Cooling Thermostat Housing A6462001115

€23.95

Part no. 2271499

Ford Fiesta Mk8 ST Thermostat Housing 1.5 EcoBoost Petrol GN1G-8K556-BA

€32.95

Part no. A6682030275

Mercedes W168 OM668 Diesel Thermostat Coolant Housing A6682030275

€23.95

Part no. LR073694-2

Land Rover Discovery Sport L550 Coolant Thermostat Housing Box G4D3-8575-BC

€94.95

Part no. 2118104

Ford Fiesta Mk7 Thermostat Coolant Flange Pipe EcoBoost Petrol CM5G-8A529-GA

€23.95

Part no. 7558267

Thermostat Radiator BMW X5 E70 M57N2 N62N Valve Unit X6 E71 7558267

€23.95

Part no. XS4G9K478BD

Ford Transit Connect 1.8 Duratec Thermostat Coolant Housing Petrol XS4G9K478BD

€23.95

Part no. 059121111L

Audi A4 B7 2.7 TDI BPP Diesel Engine Thermostat Housing 059121111L

€23.95

Part no. 2018382-1

Ford Focus St-2 Mk2 Thermostat Housing Water Outlet 2.5 DURATEC HYDA 2018382

€23.95

Part no. 8472111-2

BMW F40 G20 G21 G30 G01 Mini F55 F60 Coolant Thermostat 8472111

€23.95

Part no. A6072000415

Mercedes W176 W246 OM607 Coolant Thermostat Housing Cooling Unit A6072000415

€23.95

Part no. 8642560-2

BMW X3 G01 G20 G30 Petrol Cooling Module Servo Motor Thermostat Pump 8642560

€32.95

Part no. 210474640R-1

Renault Trafic III Opel Vivaro B 1.6 DCi Thermostat Coolant Housing 210474640R

€23.95

Part no. BBT487

Borg & Beck BMW Mini R55 R57 R58 R60 Thermostat Kit Thermostat Housing BBT487

€28.95

Part no. AH22-8575-AF

Land Rover Discovery 4 L319 Thermostat Housing 3.0 V6 Diesel AH22-8575-AF

€23.95

Part no. 06F121133H

Volkswagen Golf Mk5 Audi TT 8J Water Thermostat Housing 2.0 TFSI 06F121133H

€28.95

Part no. 8472111-1

BMW F40 G20 G21 G30 G01 Mini F55 F60 Coolant Thermostat Top Housing 8472111

€23.95

Part no. 03C121121B

Volkswagen Polo 6R Coolant Thermostat Housing Cover 03C121121B

€23.95

Part no. 8200674369

Renault Trafic Coolant Thermostat Cooling Unit 8200674369

€23.95

Part no. A2742000215-1

Mercedes W205 274920 Engine Coolant Thermostat Petrol Housing Unit A2742000215

€99.95

Part no. 04L121026F

Audi A3 8V 2.0 TDI DGCA Diesel Engine Coolant Thermostat 04L121026F

€23.95

Part no. 8530102

BMW i3 I01 Hybrid Engine Thermostat Water Pump Coolant Unit 8530102

€47.95

Part no. A6262000115

Mercedes W205 Engine Coolant Thermostat Temp Sensor A6262000115

€23.95

Part no. YC1Q-9K478BB

Ford Transit Mk6 2.4 Diesel Oil Cooler Coolant Thermostat Housing YC1Q-9K478BB

€28.95

Part no. A2712030282

Thermostat Pipe Mercedes W204 M271 Petrol Flange Hose Line Coolant A2712030282

€23.95

Part no. 9670253780

Peugeot 3008 5008 Citroen C4 1.6 Diesel Thermostat Housing 9670253780

€23.95

Part no. 110600686R

Renault Trafic III Opel Vivaro B 1.6 DCi Thermostat Coolant Housing 110600686R

€23.95

Part no. 7586885

Coolant Pump Thermostat BMW E53 E60 E61 E63 E65 F01 F07 F10 F11 F15 7586885

€23.95

Part no. 99610601355

Porsche Boxster 986 Engine Thermostat Housing 99610601355

€28.95

Part no. 03C121121C

VW Polo 6R 1.2 CGPB Water Pump Thermostat Cover Housing 03C121121C

€23.95

Part no. 1505640

Ford Mondeo Mk4 Coolant Thermostat Housing Cooling Unit 2.0 Petrol 8G9G-8575-AA

€23.95

Part no. 03L121111AC

Audi A3 8P 2.0 TDI Diesel Thermostat Coolant Housing 03L121111AC

€23.95

Part no. 03C121111B

Volkswagen Polo Mk5 6R Water Coolant Thermostat Housing 03C121111B

€23.95

Part no. 03C121111T

Audi A1 8X 1.4 TSI Petrol Engine Water Coolant Thermostat Housing 03C121111T

€23.95

Part no. A1662030275

Mercedes W168 M166 Thermostat Coolant Housing A1662030275

€23.95

Part no. A2642001501

Mercedes W205 Thermostat Housing M264 Petrol Cooling Unit Pump A2642001501

€132.95

Part no. 7H32-8575-AD

Land Rover Discovery 4 L319 Thermostat Housing 2.7 V6 Diesel 7H32-8575-AD

€32.95

Part no. A2742000215-2

Thermostat Pipe Mercedes W205 Engine Coolant Hose Line Tube Pipe A2742000215

€23.95

Part no. LR073694-1

Land Rover Discovery Sport L550 Coolant Thermostat Housing Box G4D3-8575-BC

€56.95

Part no. 06E121161BB

Audi A5 8T 3.0 TFSI V6 Engine Coolant Flange Housing Cover Trim 06E121161BB

€23.95

Part no. 8642559

BMW G01 G02 G05 G06 G07 G11 LCI G20 Heat Thermostat Housing M40i B58D 8642559

€75.95

Part no. 5N0971349BQ

Volkswagen Sharan 7N Alternator Generator Wiring Harness Cable 5N0971349BQ

€23.95

Part no. A6422000215-1

Mercedes W164 OM642 Diesel Thermostat Coolant Housing Cooling Unit A6422000215

€23.95

Part no. XR841811

Jaguar S-Type XF XJ X350 Thermostat Housing Pipe Hose 2.7 V6 Diesel XR841811

€37.95

Part no. A2742000615-1

Mercedes W204 W205 W212 W213 M274 Petrol Coolant Thermostat Housing A2742000615

€23.95

Part no. 9091603147

Toyota Yaris P9 Thermostat Module Unit Housing Mount Bracket Petrol 9091603147

€23.95

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