Pair Turbo Turbocharger compatible for Audi RS4 S4 A6 Allroad Quattro 2.7L K04-025 K04-026

  • * OEM-Quality. Direct Replacement
  • * Ductile Iron QT450-10 - High temperature resistance (up to 700℃)
  • * K418 Alloy - Stable & High Oxidation & Temperature Resistance(up to 900℃)
  • * Cast Aluminium Blade - Good Air Tightness & Corrosion Resistance
Item Number 3002037223
Stock In Stock

Combination offer

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OEM-quality and size with little modification
Turbine housing uses cast iron withstand temperatures up to 700℃
Steel Turbine Wheel made from the special K418 alloy to achieve high oxidation resistance and stability under high temperatures up to 900℃
Cast aluminium blades with good gas tightness and corrosion resistance


Looking to boost your car's horsepower? Is your car's original turbocharger not performing well or need replacing? Maxpeedingrods stocks all the best OEM-quality turbochargers and turbo parts to give your car the power, performance, and reliability you deserve. Maxpeedingrods aftermarket replacement turbos provide the perfect solution by delivering a high-quality turbo at a budget-friendly price.


Compatible for Audi RS4 V6 Bi-turbo 2.7L P with AZR/ASJ Engine 2000-05
Compatible for Audi A4 V6 Bi-turbo with AZR/ASJ Engine 2000-05
Note: For the car model below need modification:
Compatible for AUDI A6 2.7T QUATTRO 2.7L P AJK 97 - 01
Compatible for AUDI S4 BI TURBO 2.7L P AGB/AZB 97 - 01

Turbo Model

K04 -025, K04-026

Engine Code


Turbo Part Number & OEM Number

OE/PN Number:
5304-988-0025, 5304-988-0026,
5304-970-0025, 5304-970-0026,
078145701M, 078145702M,
078145703M, 078145703MX, 078145703MV
078145704M, 078145704MX, 078145704MV,
Note: For the OE/PN number below need modification:
53039880016, 53039880017,
53039700016, 53039700017,
078145701S, 078145702S, 078145703S, 078145704S,
078145701R, 078145702R, 078145703R, 078145704R,
078145701H, 078145702H, 078145703H, 078145704H,
078145701L, 078145702L, 078145703L, , 078145704L,
078145703C, 078145704C,
078145703D, 078145704D,
* This K04-025/026 turbo can replace the k03-016/017 turbocharger, but you may need replace the intake hose of the cold side.
* For 2003-2005 A6 & Allroad, these will not fit on Automatic Transmission Models without Modifications


Turbo Model: K04-025 /K04-026
Engine: ASJ / AZR
Cooling Type:Water Cooling
Bearing Type: Journal Bearing
Thrust Bearing: 270 Degrees
Horsepower: 280KW/380PS
Condition: Brand New
Accessories: You will get exactly as shown in the picture above
Package Size: 49x 32 x 30 cm
Package Weight: 13700 g


* Product Material
1. Turbine housing: Ductile iron QT450-10- temperature resistant up to 700℃
2. Steel turbine wheel: K418 alloy - high oxidation stability and resistance up to 900℃
3. Compressor housing: ZL104 aluminium with lightweight
4. Compressor wheel/blades: Cast aluminium blades – superior airtightness & corrosion resistance
* Product Performance
1. OEM quality and size with little modification
2. Rich experience in turbo production and own factory
3. High-Speed oil seal ring and Precision clearance
* Product Certification: TÜV ISO 9001 CERTIFIED
* Technology Advantage:
1. 100% balancing Test by TURBO TECHNICS VSR3
2. G3-min-Flow VNT Turbo testing
3. Advanced Actuator Tester/Programmer


*Please check the Turbo Model, Turbo Part Number and OEM Part Number on your original Turbo to make sure this turbo is the correct one for your engine. If you need assistance finding the correct turbo for your car, please feel free to contact us.
*Professional installation is highly recommended (No Instructions are Included)

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Return Policy

We committed to provide good quality products to all our customers. We accept return or exchange within 30 days. No hassle for refund, 15 business days money back guarantee after we received the returned items. We hope that you will be pleased with your purchase. We want you to be happy with the products you got. Your satisfaction is our top priority.
If you are not satisfied with your purchase, please contact us as soon as possible after you received the item. Return shipping address will be provided and you will get the refund after we received the return item. All returned items must be in brand-new condition, unused and with original tags and packaging.
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4. Upon receipt, all products will be inspected at our discretion in 3-5 business days. Then, the updated result will be informed.
If you have made a mistake on purchase and wish to cancel the order before it is dispatched please contact us by email as quickly as possible.


1. We will ship your order in one business day once the payment is cleared.
2. Tracking number will be uploaded to your MXR customer account within 24 hours after shipment. Meanwhile, you will get the logistics notification mail.
3. Shipping time usually takes 3-7 business days when products available in local warehouses, and 5-25 business days to International addresses.
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