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Details
| Specification | Value |
|---|---|
| Brand | METZGER AUTOTEILE |
| Opening Pressure [bar] | 1.2 bar |
OE numbers (7)
Search by this OE number to find compatible parts
- VAG—171 121 321B
- VAG—171 121 321C
- VAG—171 121 321D
- VAG—171 121 321F
- VAG—443 121 321
- VAG—443 121 321A
- VAG—547 121 321
Where this part fits
Original-fit position for OE 443121321. The red ring marks where this part installs on the vehicle.
About this product
METZGER AUTOTEILE Cap Coolant Tank (2140050) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Material: Plastic, Thread Type: Copper, Opening Pressure [bar]: Steel, Aluminium bar — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with AUDI, VW 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: 00253, 002-60-02032, 01371, 02269 and 104 more. Matching these numbers confirms a like-for-like replacement with no loss of function. METZGER AUTOTEILE 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Equivalent products (108)
Show all 108 OE numbers
Cap Coolant Tank METZGER AUTOTEILE 2140050 — compatible car models
| Car models | AUDI: 100 C2 Avant (435, 436), 100 C2 Saloon (431, 433, 434), 100 C3 Avant (445, 446), 100 C3 Saloon (443, 444), 100 C4 Avant (4A5), 100 C4 Saloon (4A2), 200 C2 Saloon (437, 438), 200 C3 Avant (447, 448), 200 C3 Saloon (447, 448), 50 (863) (+16 more); VW: CADDY I (14), DERBY (86), DERBY (86C, 80), GOLF I (17) |
|---|---|
| Engines | 1.6; 1.8; 2.0 E; 2.0; 2.1 5E; 2.1 Turbo quattro; 1.1; 1.3; 1.4; 1.6 E; 1.6 TD; 2.5 TDI; 2.1 20V Turbo; 3.6 quattro; 1.5 (+2 more) |
| Year of manufacture | 1974-2008 |
| Manufacturer article number (MPN) | 2140050 |
| OE part numbers | 171 121 321B, 171 121 321C, 171 121 321D, 171 121 321F, 443 121 321, 443 121 321A, 547 121 321 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
METZGER AUTOTEILE 2140050 GREENPARTS. Material: 6. Opening Pressure [bar]: 1,2 bar. Thread Type: 4
- 1x Cap Coolant Tank
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- 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 Cap Coolant Tank compatible with my car?
This Cap Coolant Tank fits AUDI, VW 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 METZGER AUTOTEILE Cap Coolant Tank have?
This METZGER AUTOTEILE Cap Coolant Tank has the following specifications: Material: 6; Thread Type: 4; Opening Pressure [bar]: 1,2 bar. Check the full specifications table above for complete details.
What OE part numbers does this Cap Coolant Tank replace?
This Cap Coolant Tank replaces OE part numbers: 171 121 321B, 171 121 321C, 171 121 321D, 171 121 321F, 443 121 321, 443 121 321A, 547 121 321. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Cap Coolant Tank cost?
This METZGER AUTOTEILE Cap Coolant Tank is available for £6.99. Cap Coolant Tank prices vary depending on brand, specifications, and vehicle compatibility. METZGER AUTOTEILE parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Cap Coolant Tank?
Regular inspection of your Cap Coolant 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 Cap Coolant 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 Cap Coolant Tank fitted by a professional mechanic.
Can I use this part as a replacement for OE 171 121 321B?
Yes, this METZGER AUTOTEILE Cap Coolant Tank is a direct replacement for OE part number 171 121 321B. 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 METZGER AUTOTEILE 2140050 the same as the METZGER AUTOTEILE 2140037?
No, while both are Cap Coolant Tank parts, they are different products. The METZGER AUTOTEILE 2140050 has Material: 6, Thread Type: 4, Opening Pressure [bar]: 1,2 bar. The METZGER AUTOTEILE 2140037 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.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
