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Description
xPremium aluminum air valve knobs for trucks
Upgrade your cab and trailer with Xintre aluminum air valve knobs, designed to pair with Peterbilt, Kenworth, and Freightliner models. The chrome stainless finish catches the light while the knobs are engineered for rugged road use, offering a balance of style and sturdiness without overpromising results.
Each 2‑piece set includes two aluminum alloy air valve knobs and two chrome plaques for both the tractor and trailer, ready for quick replacement. The design emphasizes reliable operation and a seamless look across vehicle interfaces.
Key specifications and fitment
- Product size: total height 47.4 mm; placement 45.4 mm; plaques 44.9 mm; inner diameter 18.5 mm — please verify size against your truck components before ordering.
- Fitment: compatible with Peterbilt 379/389/579, Kenworth T680, Freightliner, Western Star, and other similar models. Important: not suitable for trucks with pin-style valves.
Durability and material quality
- Manufactured from high‑quality aluminum alloy, offering stronger hardness and improved oxidation resistance compared with many market options.
- Chrome stainless plaques provide a polished look that resists dulling in varied driving conditions.
Easy installation and usage
- Simple swap: remove the old parts and install the Xintre knobs and plaques without any vehicle modification.
- No special tools required for typical installation; designed for a straightforward replacement process with a secure fit.
Tips: Before you order, double-check the size to ensure a proper fit. This set is designed to deliver a reliable upgrade while maintaining a clean, consistent appearance for both tractor and trailer applications.
FAQ
Q: Which truck models are compatible with these Xintre air valve knobs?
A: Compatible with Peterbilt 379/389/579, Kenworth T680, Freightliner, Western Star, and similar models; please confirm size before ordering.
Q: Is installation difficult or require modifications to the truck?
A: No modification is needed; just replace the old parts with these knobs and plaques using the included components.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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