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.

More information

Find it faster

Match to your vehicle

Make

Seat Ibiza 6J Polo 6R Thermostat Housing Cover 1.4 Petrol CGGB 032121111CG

€23.95

Part no. 7834051

BMW 5 6 Series E60 M5 E63 M5 Waterpump Thermostat Connector Cylinder 6-10

€23.95

Part no. 5Q0121113F

Audi Q7 4M Water Coolant Thermosat Regulator Valve 5Q0121113F

€70.95

Part no. 7835220

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

€23.95

Part no. 7512734

Mini Cooper S R52 R53 Thermostat Housing Engine Cooling 7512734

€23.95

Part no. 9896577

BMW F74 U06 X1 U11 Thermostat Housing Heat Management Module 9896577

€175.95

Part no. 1495275

Ford Kuga Mk1 Radiator Pipe Top Upper Coolant Hose Line Diesel 8V41-8286-AA

€23.95

Part no. TH712583C

Nissan Qashqai 1.5 dCi Thermostat Coolant Valve Housing TH712583C

€23.95

Part no. LR073694

Land Rover Discovery Sport L550 Thermostat Housing Box G4D3-8575-BE

€99.95

Part no. AH22-8K515-AA

Land Rover Discovery 4 L319 Coolant Thermostat Housing 3.0 Diesel AH22-8K515-AA

€23.95

Part no. 8575625-1

Thermostat Housing BMW F20 F21 LCI B37 Diesel Engine Cooling Unit 8575625

€28.95

Part no. 289355520R

Mercedes Vito W447 Engine Cooling Thermostat Water Coolant Pipe OM622 289355520R

€66.95

Part no. A2662030475

Engine Cooling Thermostat Mercedes W169 W245 M266 Petrol A2662030475

€23.95

Part no. LR073372

Land Range Rover Sport L320 L494 Thermostat Housing Diesel 4H2Q-8592-BG

€28.95

Part no. 7588876

Mini Cooper S R56 LCI N18 Engine Cooling Thermostat With Housing 7588876

€37.95

Part no. 82009543288

Nissan Qashqai Thermostat Housing Cover 1.5 DCi 82009543288

€23.95

Part no. 1357091

Land Rover Discovery 4 L319 Thermostat Housing Water Outlet 2.7 TDV6 1357091

€28.95

Part no. 03D121026F

VW Volkswagen Fox 5Z 1.2 CHFB Petrol Water Pipe Thermostat Housing 03D121026F

€23.95

Part no. 05L121111Q

Audi Q2 GA 3.0 TDI DTTC Diesel Engine Coolant Thermostat Housing 05L121111Q

€75.95

Part no. 06F121111H

Audi A3 S3 8P 2.0 TFSI Coolant Thermostat Housing Unit 06F121111H

€23.95

Part no. A6462001215

Mercedes Sprinter W906 Coolant Thermostat Housing Cooling Unit A6462001215

€23.95

Part no. 04L121026Q

Audi TT FV A3 8V Water Pump Thermostat Housing Pipe Connector 04L121026Q

€23.95

Part no. 55206391

Opel Combo Corsa 1.3 CDTi Diesel Thermostat Coolant Unit Housing 55206391

€23.95

Part no. 04L121111H

Audi A4 B8 TT FV Thermostat Coolant Housing Valve 2.0 TDI 04L121111H

€23.95

Part no. 04L121111-1

Volkswagen Tiguan 5N Thermostat Coolant Housing Valve 2.0 TDI Diesel 04L121111

€23.95

Part no. 8631943-6

BMW X1 F48 Mini F56 Petrol Thermostat Housing Part F-610472.06-0091

€23.95

Part no. 038121132G

Audi Seat Skoda VW Golf MKV Coolant Flange Thermostat Housing Flange 038121132G

€23.95

Part no. 7644811-1

Thermostat Water Pump BMW F20 F21 F30 F31 LCI B38 B48 Petrol Engine 7644811

€113.95

Part no. 04L121111A

Volkswagen Audi Seat Skoda Coolant Thermostat Housing Pipe 2.0 TDI 04L121111A

€23.95

Part no. 8631943-5

BMW X1 F48 Mini F56 Petrol Thermostat Housing Coolant Connector F-610472.05-0071

€23.95

Part no. 07K121111C

Audi RS3 8V Engine Coolant Thermostat Housing 2.5 TFSI DAZA 07K121111C

€332.95

Part no. HPLA-8575-AB

Range Rover Evoque L538 Thermostat Housing Cover 3.0 Diesel HPLA-8575-AB

€23.95

Part no. 8058643

BMW X3M F97 X4M F98 Alternator Generator Wiring Harness Cable 8058643

€32.95

Part no. 8472105

Mini F54 F55 F56 F60 B47 Thermostat Housing Engine Cooling 8472105

€28.95

Part no. A2812030161

Smart A453 Thermostat Flange Housing M281 Petrol A2812030161 110603999R

€23.95

Part no. A2722000415

Mercedes W204 W209 M272 Engine Coolant Thermostat Cooling Housing A2722000115

€23.95

Part no. 8631943-3

BMW X1 F48 Mini F56 Petrol Thermostat Actuator F-610472.07-0900

€28.95

Part no. 1096283-1

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

€23.95

Part no. 03L121132

Audi A3 8P 2.0 TDI CBAB Coolant Thermostat Housing Flange 03L121132DE

€23.95

Part no. A1192011530

Mercedes C140 CL420 M119 Water Coolant Thermostat Housing Cover A1192011530

€132.95

Part no. 6C1Q-8A586-BD

Ford Transit Mk7 TDCi Thermostat Coolant Housing Diesel 6C1Q-8A586-AC

€32.95

Part no. A6542004000

Mercedes W177 Thermostat Housing OM654 Diesel Engine A6542004000

€199.95

Part no. 8631943-2

BMW X1 F48 Mini F56 Petrol Thermostat Housing 8631943

€37.95

Part no. 170741R

Mercedes W415 109CDI Diesel Engine Cooling Thermostat Housing 170741R

€28.95

Part no. 8576289

Thermostat BMW G20 G21 G30 G31 B57 Water Coolant Thermostat Housing 7552067

€28.95

Part no. 8619408

Connector Water Pipe BMW F20 F30 LCI M140i 340i B58 Coolant Hose Line 8619408

€23.95

Part no. A2722000515

Mercedes W164 W212 C216 W221 W906 Thermostat Petrol Engine A2722000515

€28.95

Part no. 06E121111AD

Porsche Cayenne S 92A Thermostat Housing Assembly 3.0 TFSI 06E121111AD

€23.95

Part no. 06F121111G

VW Eos 1f Audi A3 8P Thermostat Housing Bracket Cover 2.0 FSI 06F121111G

€23.95

Part no. 95510611100

Porsche Cayenne 9PA Thermostat Housing 3.2 V6 Petrol 022121121D

€28.95

Part no. 06A121121C

Audi Seat Skoda VW Golf MKV Coolant Flange Thermostat Housing Flange 06A121121C

€23.95

Part no. A2722000015

Thermostat Mercedes W211 Petrol Engine M272 Coolant Thermostat A2722000015

€23.95

Part no. A6512001715

Mercedes W204 W212 Coolant Thermostat Cooling Unit OM651 Diesel A6512001715

Product currently unavailable

Part no. 8631943

BMW X1 F48 Mini F56 Petrol Thermostat Housing Heat Management Module 8631943

Product currently unavailable

Part no. A6512001651

Mercedes W204 Engine Coolant Water Pump Pipe Line OM651 Diesel A6512001651

Product currently unavailable

Part no. A6512001500

Mercedes Sprinter W906 OM651 Diesel Coolant Thermostat Cooling Unit A6512001500

Product currently unavailable

Part no. A6462030031

Coolant Pump Stub Mercedes Vito W639 Water Pump OM646 Diesel A6462030031

Product currently unavailable

Part no. 8674895

Mini Cooper R60 Coolant Cooling Thermostat Housing N16 N18 Engine 8674895

Product currently unavailable

Part no. 5N0971349BA

Volkswagen Sharan 7N Alternator Generator Wiring Harness Cable 5N0971349BA

Product currently unavailable

Part no. 7573212

BMW E82 E90 E91 E92 135i 335i N54 Engine Coolant Thermostat Housing 7573212

Product currently unavailable

Part no. 04B121111C

Volkswagen Polo Mk5 Coolant Regulator Thermostat Housing Pipe 1.4 TDI 04B121111C

Product currently unavailable

Part no. 7502779

BMW 5 6 7 X5 Series E53 E60 E61 E63 E64 E65 E70 F01 F10 F11 Thermostat 7502779

Product currently unavailable

Part no. 7831103

Thermostat Housing BMW M3 E46 Z4 M3 E85 E86 Petrol S54 Coolant Line 7831103

Product currently unavailable

Part no. A6512000251

Water Pump Hose Mercedes W204 OM651 Diesel Engine Coolant Line A6512000251

Product currently unavailable

Part no. 03C121111H

Volkswagen Golf Mk5 Audi A3 8P Thermostat Housing 1.6 FSI BLF 03C121111H

Product currently unavailable

Part no. A6292000315

Mercedes X164 OM629 Thermostat A6292000315

Product currently unavailable

Part no. 7588876-1

Coolant Thermostat Mini Cooper S R56 LCI N18 Engine Cooling Housing 7588876

Product currently unavailable

Part no. 8200907243

Renault Trafic II Opel Vivaro A 2.0 DCI Thermostat Coolant Housing 8200907243

Product currently unavailable

Part no. A6562002200

Mercedes W213 W222 OM656 Diesel Water Coolant Thermostat Housing A6562000015

Product currently unavailable

Part no. 7510959

Thermostat BMW E46 E83 E87 E90 Coolant Unit Water Petrol N46 7510959

Product currently unavailable

Part no. 2396366

Ford Transit Custom Ranger Mk6 Thermostat Housing 2.0 Diesel KK3Q-9K478-CA

Product currently unavailable

Part no. 8516206

BMW F10 F30 F32 N57N 330d 430d 530d Diesel Thermostat Housing 8516206

Product currently unavailable

Part no. 7549476-2

Thermostat BMW E60 E61 E63 E65 E87 E90 E91 E93 N52 Water Pump Unit 7549476

Product currently unavailable

Part no. A1112001303-2

Thermostat Housing Mercedes W202 W203 W210 Petrol M111 Coolant Tube A1112030573

Product currently unavailable

Part no. 7572859

Housing BMW E81 E88 E87 E90 Petrol N45 N45N N46 Thermostat Housing 7572859

Product currently unavailable

Part no. A6542000115

Mercedes W213 W447 OM654 Diesel Coolant Thermostat Housing Unit A6542000115

Product currently unavailable

Part no. A2662030775

Mercedes W169 W245 M266 Coolant Thermostat Housing Cooling Unit A2662030575

Product currently unavailable

Part no. 2354056

BMW X5 E39 E46 E53 Diesel M57 Engine Thermostat Housing 2354056

Product currently unavailable

Part no. A6512002800-1

Mercedes W204 Diesel OM651 Engine Coolant Thermostat Temp Sensor A6512002800

Product currently unavailable

Part no. A6512001956

Mercedes W212 Diesel OM651 Coolant Pipe Fuel Filter Bracket A6512001956

Product currently unavailable

Part no. 03G121121C

Audi A4 B7 2.0 TDI BRE Diesel Engine Water Coolant Thermostat Housing 03G121121C

Product currently unavailable

Part no. 7550172

Thermostat Water Pump BMW X5 E70 3.0si N52N Petrol Engine Cooling Unit 7550172

Product currently unavailable

Part no. 6C108A586BD

Ford Transit Mk7 2.2L Diesel Thermostat Housing 6C108A586BD

Product currently unavailable

Part no. 7519704-4

BMW Z4 E85 Engine Cooling Radiator Fan Shroud 400W 7519704 6925702

Product currently unavailable

Part no. A2602002600

Mercedes W177 W247 M260 Petrol AMG Thermostat Coolant Housing A2602002600

Product currently unavailable

Part no. 5157411

Ford Focus ST Mk3 Water Coolant Thermostat Housing 2.0 Petrol CJ5E-8575-AA

Product currently unavailable

Part no. 2247723

BMW E39 E46 Diesel Thermostat Coolant Housing EGR Valve Cooler 2247723

Product currently unavailable

Part no. 18711-PWA-000

Honda Jazz EGR Passage Unit Petrol Engine Exhaust Gas Connector 18711-PWA-000

Product currently unavailable

Part no. 7L0317027A

VW Volkswagen Touareg 7L Porsche Cayenne 9PA Thermostat Oil Cooler Radiator

Product currently unavailable

Part no. BK3Q-8A544-AC

Ford Transit Mk7 Thermostat Oil Cooler Housing Diesel BK3Q-8A544-AC

Product currently unavailable

Part no. 7552067

Thermostat BMW X1 E84 Petrol N46N Water Coolant Thermostat Housing 7552067

Product currently unavailable

Part no. A1645010265

Mercedes W164 Thermostat Oil Cooler Housing Diesel A1645010265

Product currently unavailable

Part no. 8629123

BMW F20 F21 F30 LCI Connector Engine M140i 340i B58 8629123

Product currently unavailable

Part no. 7519704-3

BMW Z4 E85 E86 1 Engine Cooling Radiator Fan Shroud 400W 7519704 6925702

Product currently unavailable

Part no. 07K121111E

Audi RS3 8Y Thermostat Housing Coolant Unit 2.5 TFSI Petrol 07K121111E

Product currently unavailable

Part no. 1475897

Ford Mondeo Mk4 S-Max Galaxy Thermostat Water Hose Pipe 2.0 TDCi 1475897

Product currently unavailable

Part no. 7642854-3

BMW F20 F21 F30 LCI Petrol B58 M140i 340i Electric Thermostat Module 7642854

Product currently unavailable

Part no. A2762000515

Mercedes W212 W221 W204 Thermostat Coolant Housing Cooling Pipe A2762000515

Product currently unavailable

Part no. 03F121111A

Audi Seat Skoda Volkswagen 1.2 Petrol Thermostat Housing 03F121111A

Product currently unavailable

Showing 199-297 of 398 products