VAG Upgraded Black Coolant Cap V2 – New Style, OEM+ Engine Bay Upgrade
Refresh your engine bay with a sleek, modern touch. Our Upgraded Black Coolant Cap V2 replaces the outdated blue or older-style caps with an all-black design that delivers both function and form. Built to OEM standards and pressure-rated to 23 PSI, it’s the perfect blend of style and reliability.
🖤 Stealth Black Finish – A clean, modern look that instantly enhances the appearance of your engine bay.
⚙️ Upgraded V2 Design – Improved construction over older models for better aesthetics and long-term durability.
🔥 Pressure Rated to 23 PSI – Built to handle OEM cooling system requirements without compromise.
🛠️ Direct Replacement – Simply remove your existing cap and swap it—no tools, no hassle.
✅ OEM Fitment Across VAG Group – Compatible with most VW, Audi, Skoda, and SEAT models using part number 2Q0121321.
⚡ Sleek, simple, and functional—upgrade your coolant cap and clean up your bay in seconds.
What's included?
- 1x VAG Upgraded Black Coolant Cap V2
Compatibility
- Fits most VW cars
- Fits most Audi cars
- Fits most Skoda cars
- Fits most Seat cars
- Fits most VAG cars
✔️ Compatible with the majority of VAG group vehicles
(If unsure, just drop us a message—we’re happy to confirm fitment for your exact model.)
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Next working day delivery
Let customers speak for us
Bought eyelids for the golf and they are excellent, totally transformed the look for little money. Fast delivery and they for perfectly and the quality is very good! Easy to fit. Can’t complain thank you.
Quick delivery, little hand written note with the order, great quality items. Keep up the good work everyone 👏🏻 next up you gotta come up with an organiser or something for the mk5 doors 👀
Great personal service. Cup holder was a perfect fit
Super fast delivery, easy to install. Very practical upgrade.
Cup holder is so much more practical, than standard cup holder & is 100% worth the purchase. Arrived fast & was east to fit, would definitely recommend.
Cup holder that actually does the job. Slick and very effective, fits perfectly also. Would definitely recommend
Looks good & Clean filling up now and stands out really well! Plus great price for Real weave carbon fibre, great packaging and fast delivery!
Great fit and decent quality, OEM+ vibe
Straight fit no messing around good quality materials used will be buying more from this company thanks again
Stopped my drinks falling over. Great product for the money. Speedy delivery
Really wasn’t a fan of the stock silver mirrors on my gloss black R, these look 100x better and fit perfectly
Another flawless OEM design by high on boost. Never had a bad experience. Will continue to use your products! Keep them coming 😊
Easy install, insane look, finishes off the interior perfect. High on boost always for mod parts!
Fits bang on👍 nice packaging and fast delivery
Hand product to add a bit of extra storage to the scirocco, only downside is colour isn’t a straight match to OEM plastic, otherwise no issues whatsoever.
Easy install and quick delievry
What customers think about the store
The store offers top-notch products with quality craftsmanship and great fitment, ensuring customer satisfaction through responsive support and speedy delivery. Customers appreciate the innovative designs, ease of installation, and attention to detail, making ...
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