Skip to product information
1 of 1

BorgWarner Turbocharger SX K04 Upgrade for Audi RS4 (Left Side)

BorgWarner Turbocharger SX K04 Upgrade for Audi RS4 (Left Side)

SKU:BWA53049880025

Regular price $15,620.00
Regular price Sale price $15,620.00
(Duties & import taxes included)
Import Duties & Taxes

The displayed price includes import duties and taxes. In principle, no additional payment is required upon delivery. If the shipping carrier nevertheless charges you import duties or taxes upon delivery, please pay the charges first. Shaft Shop will reimburse you for the amount paid.

Sale Sold out
Shipping calculated at checkout.

In stock | Estimated delivery: 5–8 business days

International shipping rates are calculated at checkout.
Authorized U.S. Suppliers Sourced through authorized channels
Tracked International Shipping Track your shipment to your destination
Japanese & English Support Contact us about fitment and delivery
FAQs: Duties, Delivery & Fitment → View full details
BorgWarner is a global leader in turbochargers, supplying almost every OEM vehicle brand. BorgWarner offers a wide portfolio of turbochargers for aftermarket service for the passenger car and light vehicle markets. Distributors and customers can access OE-quality parts for both imported and domestic vehicles, including Volkswagen, Audi, Porsche, BMW, MINI, Land Rover, Volvo, and Hyundai, through our aftermarket channels.


Before Ordering

〇 Regarding Import Consumption Tax
At the Shaft-ya shopping site, we pay the import consumption tax incurred at the time of import on your behalf, so there are no additional charges beyond the total amount paid at checkout.

Verification of Fitment
As our entire product database is based on North American specification vehicles (USDM), please confirm whether parts can be installed on Japanese specification vehicles (JDM) before placing your order. (If you are unsure whether a listed product is compatible with your vehicle, please feel free to contact us. Our support team will investigate for you.)
Please note that if you place an order without confirming fitment, we cannot accept returns due to incompatibility.
Furthermore, even if products are sorted by selecting the year, manufacturer, and vehicle model via the tabs on our top page, please be aware that this does not necessarily mean they are compatible with Japanese models without modification.
All products have been translated into Japanese using translation software. As there may be confusing expressions, please contact us before ordering if you have any questions.

○ Regarding Shipping
Shipping costs are paid at the time of payment. Shipping estimates are automatically calculated once you enter your delivery address on the checkout page. For large items such as body parts, there may occasionally be a significant discrepancy between the automatically calculated shipping cost and the actual cost. In such cases, we will contact you individually via email.

Basically, all products are shipped internationally from our U.S. warehouse. Unlike domestic Japanese shipping, international delivery takes approximately 7 to 14 days, so please allow sufficient time when ordering. If you are in a hurry, please contact us in advance to check the delivery time. Note that all products are transported by air. They are not shipped by sea freight.

○ Regarding Japanese Vehicle Inspection Compliance
Basically, all products handled by our company are designed and manufactured outside of Japan. Please understand that they are not compliant with the "Japanese Vehicle Inspection System," and we cannot provide documents such as strength calculation reports for the Japanese inspection system. Therefore, all parts are sold for the purpose of "use on circuits, private property, or off-road," and installation and use are at your own risk.

○ Regarding Warranty
Please check the contents immediately upon arrival. Since all products are shipped internationally from outside Japan, there may be shipping damage to the packaging or the products themselves. Please understand that we will only provide returns, refunds, or replacements for products with shipping damage, defective products, or items different from what was ordered if you contact us within 7 days of receipt. Furthermore, for products sold through our company, all warranty-related support will be handled "exclusively through our company." Please note that we do not coordinate support through other companies or distributors located within Japan.