BorgWarner K04 upgrade turbocharger for the Audi/VW 1.8L 20-valve (5-valve-per-cylinder) TFSI/turbo engine. An OE-quality bolt-on upgrade over the factory K03 that flows more air for added power and response on the 1.8T platform (A4, TT, Golf/Jetta and related).
| Type | K04 upgrade turbocharger |
| Engine | Audi/VW 1.8L 20V (5V) TFSI/turbo |
| Upgrade | Bolt-on over factory K03 |
| Part Number | 53049887501 |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
