Confirm this item fits

Add your vehicle to make sure this item fits and qualifies for free returns.

8% OFF WITH DREAMPARTXMAS25 (Max £100 off)See all eligible items and terms

BLACK OVERFLOW COOLANT TANK CAP 4M0121321K FOR AUDI A4 A5 Q5 A8 PORSCHE BENTLEY

DREAM-PARTS
(13058)
Business
Registered as a business seller
£5.99
or Best Offer
Condition:
New
More than 10 available6 sold
Breathe easy. Returns accepted.
People are checking this out. 2 have added this to their Watchlist.
Postage:
Doesn't post to United States.
Located in: Wenzhou, Zhejiang, China
Delivery:
Varies
Returns:
30 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
Payments:
    Diners Club

Shop with confidence

eBay Money Back Guarantee
Get the item you ordered or your money back. Learn moreeBay Money Back Guarantee - opens new window or tab
Seller assumes all responsibility for this listing.
eBay item number:257077184069
Last updated on 08 Dec, 2025 14:36:12 GMTView all revisionsView all revisions

Compatibility

This part is compatible with 459 vehicle(s)
MakeModelYearVariantTypeChassisEngineNotes
AudiA42024Diesel Estate45 TDI quattroAWD B9 8W5,8WD2967cc 170KW 231HP DCPESEND VIN OR CHASSIS
AudiA42024Diesel Estate50 TDI quattroAWD B9 8W5,8WD2967cc 210KW 286HP DCPCSEND VIN OR CHASSIS
AudiA42024Diesel Saloon45 TDI quattroAWD B9 8W2,8WC2967cc 170KW 231HP DCPESEND VIN OR CHASSIS
AudiA42024Diesel Saloon50 TDI quattroAWD B9 8W2,8WC2967cc 210KW 286HP DCPCSEND VIN OR CHASSIS
AudiA42024Diesel Saloon2.0 TDIFWD B9 8W2,8WC1968cc 140KW 190HP DESA;DFVASEND VIN OR CHASSIS
AudiA42024Diesel Saloon35 TDIFWD B9 8W2,8WC1968cc 110KW 150HP DEUASEND VIN OR CHASSIS
AudiA42024Diesel Saloon40 TDIFWD B9 8W2,8WC1968cc 140KW 190HP DESA;DETASEND VIN OR CHASSIS
AudiA42024Mild Hybrid EstateS4 TDI Mild Hybrid quattroAWD B9 8W5,8WD2967cc 255KW 347HP DEWBSEND VIN OR CHASSIS
AudiA42024Mild Hybrid Estate35 TFSI Mild HybridFWD B9 8W5,8WD1984cc 110KW 150HP CVKC;DLVB;DMSBSEND VIN OR CHASSIS
AudiA42024Mild Hybrid Estate40 TFSI Mild HybridFWD B9 8W5,8WD1984cc 140KW 190HP DEMA;DKYA;DLVASEND VIN OR CHASSIS
AudiA42024Mild Hybrid SaloonS4 TDI Mild Hybrid quattroAWD B9 8W2,8WC2967cc 255KW 347HP DEWBSEND VIN OR CHASSIS
AudiA42024Mild Hybrid Saloon35 TDI Mild HybridFWD B9 8W2,8WC1968cc 120KW 163HP DEZE;DTNASEND VIN OR CHASSIS
AudiA42024Mild Hybrid Saloon35 TFSI Mild HybridFWD B9 8W2,8WC1984cc 110KW 150HP CVKC;DLVB;DMSBSEND VIN OR CHASSIS
AudiA42024Mild Hybrid Saloon40 TFSI Mild HybridFWD B9 8W2,8WC1984cc 140KW 190HP DEMA;DKYA;DLVASEND VIN OR CHASSIS
AudiA42024Petrol EstateRS4 quattroAWD B9 8W5,8WD2894cc 331KW 450HP DECASEND VIN OR CHASSIS
AudiA42024Petrol EstateS4 quattroAWD B9 8W5,8WD2995cc 260KW 354HP CWGDSEND VIN OR CHASSIS
AudiA42024Petrol Estate2.0 TFSIFWD B9 8W5,8WD1984cc 140KW 190HP CVKB;DBPA;DKYASEND VIN OR CHASSIS
AudiA42024Petrol Estate40 TFSI g-tronFWD B9 8W5,8WD1984cc 125KW 170HP CVLA;DRXASEND VIN OR CHASSIS
AudiA42024Petrol Saloon2.0 TFSI quattroAWD B9 8W2,8WC1984cc 185KW 252HP CYMC;CYRBSEND VIN OR CHASSIS
AudiA42024Petrol Saloon2.0 TFSIFWD B9 8W2,8WC1984cc 140KW 190HP CVKB;DBPASEND VIN OR CHASSIS
Portions of the information contained in this table have been provided by dr-vehicle-parts

Item specifics

Condition
New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging ...
Country/Region of Manufacture
Unknown
Country of Origin
PRC
Modified Item
No
Custom Bundle
No
Brand
DREAM-PARTS
Manufacturer Part Number
DR-CTC003
Reference OE/OEM Number
4M0121321Q, 4M0121321J, 4M0121321E, 4M0121321K, 4M0121321H
Classic Part
No
Attachment Type
Screw-On
Colour
Black
Features
100% Leak tested, No Drilling or Modifications Needed for Installation, Durability Tested
Interchange Part Number
4M0 121 321 Q, 4M0 121 321 J, 4M0 121 321 E, 4M0 121 321 K, 4M0 121 321 H
Manufacturer Warranty
3 Years
Items Included
Gasket
Material
Plastic, Rubber
Pressure Rating
1.6 bar
Type
Coolant Expansion Tank Cap
Category

Item description from the seller

Seller business information

I certify that all my selling activities will comply with all EU laws and regulations.
VAT number: GB 317110155

Safety and accessibility information

About this seller

DREAM-PARTS

99.6% positive Feedback

Joined Feb 2016
Usually responds within 24 hours
Registered as a business seller
Welcome to DREAM-PARTS! We are specializes in Automobile wiper system parts and Sensors for many years. Professional & High quality, competitive prices, and reliability have won confidence and ...
See more

Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable postage cost
5.0
Delivery time
4.9
Communication
5.0

Seller Feedback (13,449)

All ratingsselected
Positive
Neutral
Negative
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Outstanding!!! Perfect communication, item arrived on time, well packaged, perfect description & great price, updates during process. One of the best customer service experiences I’ve had on eBay (& I’ve been on here for years) Thanks
  • 1***s (771)- Feedback left by buyer.
    Past month
    Verified purchase
    Ordered a geniune VW Audi fuel actuator.Dream Parts the seller asked me for the vin number of my car. Only then the correct Audi actuator part was sent out. Great communication fairly quick delivery from China. 5 star seller really happy .Fitted the actuator with some help from some Youtube videos. It is fidley to do but if you can do it yourself and save £80 in labour. Thank you Dream Parts.
  • g***a (1156)- Feedback left by buyer.
    Past month
    Verified purchase
    As described, Godd value for money, Fast delivery 🚚 good packaging recommend eBayer
See all Feedback