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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03L121132Q

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 2465016

Mini Cooper R50 R52 Thermostat Housing Water Pump Cooling System 2465016

€37.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8472105

Mini F54 F55 F56 F60 B47 Thermostat Housing Engine Cooling 8472105

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 2S4Q8594AB

Ford Transit Connect 1.8 TDCi Thermostat Coolant Housing Diesel 2S4Q-8594-AB

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A2662030475

Engine Cooling Thermostat Mercedes W169 W245 M266 Petrol A2662030475

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 059121111N

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

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8472111-1

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A2662030675

Thermostat Housing Mercedes W169 W245 M266 Petrol Coolant A2662030675

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03H121121C

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 022121117C

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

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 2126629

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

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 82009543288

Nissan Qashqai Thermostat Housing Cover 1.5 DCi 82009543288

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 06A121133AL

Audi A3 8P 1.6 MPI BSE Petrol Coolant Thermostat Housing Sensor 06A121133AL

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7834051

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 2283787

BMW E90 E92 E93 LCI M3 Regulator Oil Level Temperature Heat Exchanger

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 06E121161AN

Audi S4 B8 Engine Water Coolant Flange Housing 3.0 TFSI Petrol 06E121161AN

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7835220

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03F121111A

Audi Seat Skoda Volkswagen 1.2 Petrol Thermostat Housing 03F121111A

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. THE0040

Engine Cooling Coolant Thermostat DriveTec THE0040 Plastic Thermostat 105°C

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L121026F

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A1122030275

Mercedes W208 W209 W220 Water Pump Thermostat Housing A1122030275

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 94810601603

Porsche Cayenne 9PA Thermostat Housing Coolant Pipe 4.5 Petrol 94810601603

€47.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 46338853

Fiat Ducato Mk3 Coolant Thermostat Housing Assembly 46338853

€37.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 045121121A

VW Polo Mk4 9N Seat 1.4 TDI BMS Coolant Flange Thermostat Housing 045121121A

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A1602000315

Smart Fortwo 450 Thermostat Housing Coolant Flange 0.7 Petrol Engine A1602000315

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. BK2Q-8A586-AB

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8631943-7

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1890165

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 99610601359

Porsche Cayman 987C Carrera 996 Coolant Regulator Thermostat Housing 99610601359

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1767974

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 2152998

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

€56.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 210474640R-1

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8530102

BMW i3 I01 Hybrid Engine Thermostat Water Pump Coolant Unit 8530102

€47.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7536655

BMW E60 E61 E63 E81 E87 E90 E91 E93 Petrol Thermostat Housing Unit 7536655

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 059121111AA

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. YC1Q-9K478BB

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

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8200074349

Renault Trafic Opel Vivaro Water Coolant Thermostat Housing 8200074349

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 2271499

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

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 2118104

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 6C1Q-8A586-BD

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

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. LR073694-2

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

€94.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 06F121111H

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 2018382-1

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A2702002200

Mercedes W176 Petrol Engine M270 Coolant Thermostat A2702002200

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8200674369

Renault Trafic Coolant Thermostat Cooling Unit 8200674369

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A2712030282

Thermostat Pipe Mercedes W204 M271 Petrol Flange Hose Line Coolant A2712030282

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. AH22-8575-AF

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. BBT487

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

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8058643

BMW X3M F97 X4M F98 Alternator Generator Wiring Harness Cable 8058643

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 06F121133H

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

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. KK2Q-9K478-CA

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

€42.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7809191-1

BMW Mini Cooper D R55 R56 Engine Thermostat Hose Pipe 7809191

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. TH712583C

Nissan Qashqai 1.5 dCi Thermostat Coolant Valve Housing TH712583C

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8200801570

Thermostat Nissan Qashqai Renault 2.0 dCi Thermostat Housing 8200801570

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. YC1Q8594-BA

Ford Transit MK 6 2.4 Tdci Diesel Engine Coolant Thermostat YC1Q8594-BA

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03D121026F

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7558267

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A6422001615

Mercedes W204 W212 W221 OM642 Thermostat Water Coolant Diesel Heat Management

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 99610601355

Porsche Boxster 986 Engine Thermostat Housing 99610601355

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1505640

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7549476

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7586885

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1433077

BMW 1 3 5 7 SERIES E60 E61 E65 E70 E87 E90 Temperature Sensor Coolant 1433077

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7805192

BMW E60 E61 E81 E87 E90 E91 E92 E93 LCI N47 Diesel Thermostat 7805192

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A2722000415

Mercedes W204 W209 M272 Engine Coolant Thermostat Cooling Housing A2722000115

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7633477

BMW F20 F22 F30 F32 N20 Engine Cooling Pump Thermostat Housing 7633477

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A6462000015

Mercedes W204 W211 Thermostat Water Coolant Pump OM646 Diesel Engine A6462000015

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 057121111B

Audi Q7 4L 4.2 TDI Diesel Engine Water Coolant Thermostat Housing 057121111B

€113.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7598865

Thermostat Coolant Pump BMW F20 F21 F30 F32 N55 Petrol Engine Cooling 2394968

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7H32-8575-AD

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

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8512445

Thermostat Housing Mini Cooper R55 R56 R57 LCI Coolant Cover 8512445

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A2742000215-2

Thermostat Pipe Mercedes W205 Engine Coolant Hose Line Tube Pipe A2742000215

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A6072000415-1

Mercedes Citan W415 OM607 Renault Megane III 1.5 dCi Thermostat A6072000415

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. LR073694-1

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

€56.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 06E121161BB

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03L121132A

Audi A4 B8 2.0 TDI Diesel Thermostat Coolant Housing 03L121132A

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8642559

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

€75.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 9684588980-1

Citroen Peugeot 1.6 HDI Thermostat Coolant Unit Housing Diesel 9684588980

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 5N0971349BQ

Volkswagen Sharan 7N Alternator Generator Wiring Harness Cable 5N0971349BQ

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A6072000315

Mercedes W176 OM607 Diesel Coolant Thermostat Cooling Unit 110609813R

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 9670253780

Peugeot 3008 5008 Citroen C4 1.6 Diesel Thermostat Housing 9670253780

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8576289

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

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 9091603147

Toyota Yaris P9 Thermostat Module Unit Housing Mount Bracket Petrol 9091603147

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1437040

BMW E39 E46 E60 E65 E53 E83 E36 Coolant Thermostat Housing 1437040

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 5Q0121113F

Audi Q7 4M Water Coolant Thermosat Regulator Valve 5Q0121113F

€70.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A2642001501

Mercedes W205 Thermostat Housing M264 Petrol Cooling Unit Pump A2642001501

€132.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 032121111CG

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 05L121111Q

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

€75.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. BK3Q-8A586-AB

Ford Transit Mk7 Thermostat Oil Cooler Housing Diesel BK3Q-8A586-AB

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A6512001100

Mercedes W910 OM651 Diesel Coolant Thermostat Housing Unit A6512001100

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8671516

Thermostat BMW F10 F12 F07GT F06 Petrol N55 Coolant Thermostat 8671516

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A2538300101

Mercedes C253 GLC 350 d Coolant Hose Line Pipe Wire A2538300101

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7512734

Mini Cooper S R52 R53 Thermostat Housing Engine Cooling 7512734

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A2742000615-1

Mercedes W204 W205 W212 W213 M274 Petrol Coolant Thermostat Housing A2742000615

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7510959-1

BMW 1 3 X3 Series E46 E83 E87 E90 E91 Water Thermostat Petrol N46 7510959

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A6112000715

Mercedes Vito W639 Diesel OM646 Coolant Water Thermostat A6112031975

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 06E121111M

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7647751

Mini Cooper R55 R56 LCI Engine Cooling Thermostat With Housing 7647751

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

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