BorgWarner K04-023 Turbocharger 53049880023 / 06A145704Q for Audi S3 TT 1.8T
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| Turbo Model | K04-023 |
| Manufacturer Part Number | 53049880023 |
| Original Replacement Number | 06A145704Q / 06A145704QX / 06A145704QV |
| Compatible Engine Displacement | 1.78L（1781cc） |
| Engine Power Range | 155-225kW（210-306PS） |
| Applicable Year | 1999-2009 |
| Turbo Shell Material | High-Nickel Cast Iron |
| Impeller Material | Heat Resistant Alloy Steel/Titanium Aluminum |
| Bearing System | Floating Journal Bearing |
| Turbo Shell A/R Value | 5cm |
| Actuator Opening Pressure | 0.5 bar |
| Cooling Type | Oil Cooling + Water Cooling Dual Cooling |
| Maximum RPM | >150,000 rpm |
| Weight | 23.1 kg (including packaging) |
Manufacturer No.
53049880023530497000235304988002053049880022
OEM Part No.
06A145704Q06A145704QX06A145704QV
Engine Part No.
BAMBFVAMKAPYAPXAUL1.8-5V quer/transversal
Interchange No.
5304 988 00235304 970 0023T-535091
Fitment Vehicles
Audi A3 S3 8L 1.8TAudi TT 8N 1.8TAudi TT Quattro 8NSeat Leon Cupra R 1.8T
Exhaust and Intake System - Industrial Encyclopedia
Purchase the BorgWarner OEM standard K04-023 turbocharger, part number 53049880023 / OEM 06A145704Q. Designed specifically for the 1.8T transverse engine (BAM/BFV/AMK/APY, etc.) of Audi S3 (8L), TT (8N) and Seat Leon Cupra R, displacement 1.78L, power range 155-225kW (211-306PS). Equipped with wear-resistant cast iron turbine housing and heat-resistant alloy impeller, oil-cooled + water-cooled dual cooling, providing stable boost and reliable lifespan. Can replace early part numbers such as 53049700023, an ideal choice for maintenance and replacement.