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coolant expansion tank MAHLE CRT 255 000S — no image available

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Specs, fitment data and pricing remain accurate.
BrandMAHLE
MPNCRT 255 000S
OE refs4
SKU0287-CRT 255 000S
GTIN / EAN4057635238045

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Details

SpecificationValue
BrandMAHLE
MPNcrt255000s
Categorycoolant expansion tank
Length [mm]260 mm
Width [mm]185 mm
Height [mm]244 mm
Capacity [litre]2.1 l
Packaging length [cm]26.0 cm
Packaging width [cm]18.50 cm
Packaging height [cm]24.40 cm
Net Weight [g]660 g

OE/OEM numbers (4)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 8W0121405G. The red ring marks where this part installs on the vehicle.

Reservoir D - 14.01.2019>> - 15.06.2020 — A5 A5/S5 Coupe/Sportback F5 Facelift (2017–2025) — Reservoir Additional cooler for coolant Individual parts
A5 A5/S5 Coupe/Sportback F5 Facelift (2017–2025) · Reservoir Additional cooler for coolant Individual partsPosition 10

About this product

MAHLE coolant expansion tank (CRT 255 000S) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Length [mm]: 260 mm, Width [mm]: 185 mm, Height [mm]: 244 mm, Capacity [litre]: Aluminium, Steel l, Colour: Brass — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with AUDI, AUDI (FAW) 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: 100 223 0020, 119 644, 183400, 2140256 and 7 more. Matching these numbers confirms a like-for-like replacement with no loss of function. MAHLE 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.

About MAHLE

MAHLE, founded in 1920 in Stuttgart, Germany, is a global leader in engine components and filtration systems. MAHLE specialises in pistons, cylinder liners, gaskets, turbocharger components, oil filters, air filters, and fuel filters. As an OE supplier to nearly every car and truck manufacturer worldwide, MAHLE products are engineered to exact factory specifications. Trusted by professional workshops and racing teams alike, MAHLE delivers outstanding engine performance and filtration efficiency across millions of applications.

Suitable cars

Equivalent products (7)

MEYLE100 223 0020
NRF454133£77.99
SWAG33 10 8941

coolant expansion tank MAHLE CRT 255 000Scompatible car models

Car modelsAUDI: A4 Allroad B9 (8WH, 8WJ), A4 B9 (8W2, 8WC), A4 B9 Avant (8W5, 8WD), A5 Convertible (F57, F5E), A5 (F53, F5P), A5 Sportback (F5A, F5F); AUDI (FAW): A4L B9 (868, 86L)
Engines2.0 TDI quattro; 1.4 TFSI; 2.0 TDI; 35 TFSI
Year of manufacture2015-2016
Manufacturer article number (MPN)CRT 255 000S
OE part numbers8W0121405E, 8W0121405F, 8W0121405G, 8W0121405L
Compatibility check

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Description and what's included

MAHLE crt255000s BEHR. Capacity [litre]: 2,1 l. Colour: 10. Height [mm]: 244 mm. Length [mm]: 260 mm. Material: 6. Net Weight [g]: 660 g. Packaging height [cm]: 24,40 cm. Packaging length [cm]: 26,0 cm

What's included:
  • 1x coolant 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 coolant expansion tank compatible with my car?

This coolant expansion tank fits AUDI, AUDI (FAW) 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 MAHLE coolant expansion tank have?

This MAHLE coolant expansion tank has the following specifications: Length [mm]: 260 mm; Width [mm]: 185 mm; Height [mm]: 244 mm; Capacity [litre]: 2,1 l; Colour: 10; Material: 6. Check the full specifications table above for complete details.

What OE part numbers does this coolant expansion tank replace?

This coolant expansion tank replaces OE part numbers: 8W0121405E, 8W0121405F, 8W0121405G, 8W0121405L. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a coolant expansion tank cost?

This MAHLE coolant expansion tank is available for £34.99. Coolant expansion tank prices vary depending on brand, specifications, and vehicle compatibility. MAHLE parts offer a balance of quality and value, backed by our 14-day money-back guarantee.

How do I know when to replace my coolant expansion tank?

Regular inspection of your coolant 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 coolant expansion tank?

Tools needed: hose clamp pliers, flat-head screwdriver, 8mm socket, coolant top-up bottle. Difficulty: Easy DIY. Safety warning: Only open the expansion tank cap when the engine is completely cold -- coolant system is under pressure when hot and will spray scalding fluid if opened.

Can I use this part as a replacement for OE 8W0121405E?

Yes, this MAHLE coolant expansion tank is a direct replacement for OE part number 8W0121405E. 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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