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Details
| Specification | Value |
|---|---|
| Brand | THERMOTEC |
| MPN | dwm178tt |
| Outer Diameter [mm] | 14 mm |
| Packaging width [cm] | 16 cm |
| Packaging height [cm] | 3 cm |
| Packaging Depth [cm] | 41 cm |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—203 501 00 25
- MERCEDES-BENZ—A 203 501 00 25
Where this part fits
Original-fit position for OE 2035010025. The red ring marks where this part installs on the vehicle.
About this product
THERMOTEC Breather Hose Expansion Tank (DWM178TT) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Outer Diameter [mm]: Nylon mm, Packaging width [cm]: Silicone cm, Packaging height [cm]: Cast Iron cm, Packaging Depth [cm]: 41 cm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with MERCEDES-BENZ vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 203 501 00 25, A 203 501 00 25. Matching these numbers confirms a like-for-like replacement with no loss of function. THERMOTEC 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.
Suitable cars
No equivalent parts found.
Breather Hose Expansion Tank THERMOTEC DWM178TT — compatible car models
| Car models | MERCEDES-BENZ: C-CLASS Coupe (CL203), C-CLASS T-Model (S203), C-CLASS (W203), CLC-CLASS (CL203), CLK (C209), CLK Convertible (A209) |
|---|---|
| Engines | C 160 Kompressor (203.730); C 180 Kompressor (203.246); C 180 Kompressor (203.046); CLC 180 Kompressor (203.746); CLK 200 CGI (209.343) |
| Year of manufacture | 2000-2011 |
| Manufacturer article number (MPN) | DWM178TT |
| OE part numbers | 203 501 00 25, A 203 501 00 25 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
THERMOTEC dwm178tt . Outer Diameter [mm]: 14 mm. Packaging Depth [cm]: 41 cm. Packaging height [cm]: 3 cm. Packaging width [cm]: 16 cm
- 1x Breather Hose Expansion Tank
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 Breather Hose Expansion Tank compatible with my car?
This Breather Hose Expansion Tank fits MERCEDES-BENZ 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 THERMOTEC Breather Hose Expansion Tank have?
This THERMOTEC Breather Hose Expansion Tank has the following specifications: Outer Diameter [mm]: 14 mm; Packaging width [cm]: 16 cm; Packaging height [cm]: 3 cm; Packaging Depth [cm]: 41 cm. Check the full specifications table above for complete details.
What OE part numbers does this Breather Hose Expansion Tank replace?
This Breather Hose Expansion Tank replaces OE part numbers: 203 501 00 25, A 203 501 00 25. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Breather Hose Expansion Tank cost?
This THERMOTEC Breather Hose Expansion Tank is available for £35.99. Breather Hose Expansion Tank prices vary depending on brand, specifications, and vehicle compatibility. THERMOTEC parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Breather Hose Expansion Tank?
Regular inspection of your Breather Hose Expansion Tank 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 Breather Hose Expansion Tank?
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 Breather Hose Expansion Tank fitted by a professional mechanic.
Can I use this part as a replacement for OE 203 501 00 25?
Yes, this THERMOTEC Breather Hose Expansion Tank is a direct replacement for OE part number 203 501 00 25. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the THERMOTEC DWM178TT the same as the THERMOTEC 1.11720?
No, while both are Breather Hose Expansion Tank parts, they are different products. The THERMOTEC DWM178TT has Outer Diameter [mm]: 14 mm, Packaging width [cm]: 16 cm, Packaging height [cm]: 3 cm. The THERMOTEC 1.11720 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
