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CP247
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BrandTOPRAN
MPN638 773
OE refs4
SKU0301-638 773

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Details

SpecificationValue
BrandTOPRAN
Opening Temperature [°C]75 °C

OE/OEM numbers (4)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 4423056. The red ring marks where this part installs on the vehicle.

VALVE,COOLANT FLOW — Opel  VIVARO-B ( 2015 - ) — F COOLING › 2.COOLANT FLOW VALVE
Opel VIVARO-B ( 2015 - ) · F COOLING › 2.COOLANT FLOW VALVEPosition 11

About this product

Sourced from TOPRAN, this thermostat housing (638 773) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Opening Temperature [°C]: 75 °C, Supplementary Article/Info 2: 536, Housing material: 112 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit NISSAN, OPEL, RENAULT, VAUXHALL models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 037-025-0044, 1106 100 Q2E, 1106100Q2E, 1106 154 82R and 56 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TOPRAN is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.

Thermostat Housing buying guide

Why replace this part?

The thermostat housing holds the thermostat and routes coolant between the engine and radiator. Plastic housings are prone to cracking with heat cycling, causing sudden coolant loss and rapid overheating.

Signs you need a replacement

  • Coolant leak at the top of the engine near the thermostat
  • rapid coolant loss
  • white steam from under the bonnet
  • engine temperature swings
  • puddles of coolant after the engine warms up

When to replace

No fixed interval — plastic housings typically last 80,000–120,000 miles before cracking. Replace at first sign of leakage.

Installation difficulty:Moderate — requires basic tools and mechanical knowledge

About TOPRAN

TOPRAN, part of the Hans Thomsen Group headquartered in Hamburg, Germany, is a growing independent aftermarket brand focused on providing quality parts at accessible prices. TOPRAN offers a comprehensive range covering engine, cooling, electrical, braking, and body components for European vehicles. All TOPRAN products are manufactured to meet OE specifications and undergo quality testing before distribution. Combining German quality management with competitive pricing, TOPRAN is an excellent choice for cost-conscious motorists and workshops who do not want to compromise on part quality.

Suitable cars

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Show all 60 OE numbers
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BOGAPR4245107
BORG & BECKBBT529
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FACET7.8976
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FARE-RCH31842
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FISPA94.878
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HEPUTM1224£44.99
HERTH+BUSS JAKOPARTSJ1531058
JAPANPARTSVT-0236
JAPANPARTSVTQ0236
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METZGER AUTOTEILE4006345
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MOTORADCHT894-75K
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NRF725314£42.99
Omnicraft2457978
ORIGINAL IMPERIUM90895
OSSCA61259
PLYOMP772162
QUINTON HAZELLQTH1102K
SERCK AUTOMOTIVECTK1217
SIDAT94.878
STCT431274
TOPRAN1106100Q2E
TOPRAN110615482R
TOPRAN95517869
TRICLO465989
TRISCAN8620 49575
WE PARTS421150508
WILMINK GROUPWG1965501

Thermostat Housing TOPRAN 638 773compatible car models

Car modelsNISSAN: NV300 Kombi (X82), NV300 Platform/Chassis (X82), NV300 Van (X82); OPEL: VIVARO B Bus (X82), VIVARO B Platform/Chassis (X82), VIVARO B Van (X82); RENAULT: ESPACE V (JR), GRAND SCÉNIC IV (R9), MEGANE IV Grandtour (K9A/M/N), MEGANE IV Hatchback (B9A/M/N), SCÉNIC IV (J9), TALISMAN Grandtour (KP), TALISMAN (LP), TRAFIC III Bus (JG), TRAFIC III Van (FG); VAUXHALL: VIVARO B Bus (X82), VIVARO B Platform/Chassis (X82), VIVARO B Van (X82)
Engines1.6 dCi 125; 1.6 dci 125; 1.6 dci 120; 1.6 CDTI (06); 1.6 CDTI (03); 1.6 CDTI (05); 1.6 dCi 160; 1.6 dCi 165; 1.6 dCi 115 (JGMD); 1.6 dCi 115 (FGMD); 1.6 CDTi
Year of manufacture2014-2023
Manufacturer article number (MPN)638 773
OE part numbers1106 100 Q2E, 1106 154 82R, 44 23 056, 95517869
Compatibility check

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Description and what's included

TOPRAN 638773 . Housing material: 112. Opening Temperature [°C]: 75 °C. Supplementary Article/Info 2: 536

What's included:
  • 1x Thermostat Housing
Shipping, returns, warranty

Free UK delivery on orders over £99.00. Express and standard shipping available.

  • Standard delivery: 2-5 business days
  • Express delivery: 1-2 business days
  • Free returns within 14 days
  • All parts backed by manufacturer warranty

Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.

Frequently Asked Questions

Is this Thermostat Housing compatible with my car?

This Thermostat Housing fits NISSAN, OPEL, RENAULT, VAUXHALL vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.

What specifications does this TOPRAN Thermostat Housing have?

This TOPRAN Thermostat Housing has the following specifications: Opening Temperature [°C]: 75 °C; Supplementary Article/Info 2: 536; Housing material: 112. Check the full specifications table above for complete details.

What OE part numbers does this Thermostat Housing replace?

This Thermostat Housing replaces OE part numbers: 1106 100 Q2E, 1106 154 82R, 44 23 056, 95517869. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Thermostat Housing cost?

This TOPRAN Thermostat Housing is available for £36.99. Thermostat Housing prices vary depending on brand, specifications, and vehicle compatibility. TOPRAN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.

How do I know when to replace my Thermostat Housing?

Regular inspection of your Thermostat Housing is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.

What tools do I need to replace a Thermostat Housing?

Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Thermostat Housing fitted by a professional mechanic.

Can I use this part as a replacement for OE 1106 100 Q2E?

Yes, this TOPRAN Thermostat Housing is a direct replacement for OE part number 1106 100 Q2E. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.

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