Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA) Diesel Injector
Cross-Reference & Technical Specs
Authoritative technical specifications, verified Bosch part numbers, control valve stamping codes, nozzle spray orifices, and hold-down tightening torque for the Audi / Porsche EA839 diesel engine family.
All Verified Part Numbers for Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA)
The following 5 common-rail injector assemblies are calibrated for this engine family. Click any SKU to view individual test bench flow curves, sister cross-references, and vehicle applications.
Integrated Solenoid Quantity Control Valve (N290)Nozzle Code: See Product DetailLaser-Drilled Micro-Orifice Solenoid ValveNozzle Code: See Product DetailLaser Micro-Orifice Fast-Response Electromagnetic SolenoidNozzle Code: See Product DetailIntegrated Solenoid Quantity Control Valve (N290)Nozzle Code: See Product DetailIntegrated Solenoid Quantity Control Valve (N290)Nozzle Code: See Product Detail| Part Number (SKU) | Primary OE Reference | Control Valve | Nozzle Code |
|---|---|---|---|
| 06M127025K, 06M127025Q, 06M127025R | Integrated Solenoid Quantity Control Valve (N290) | See Product Detail | |
| 06M906036AE, 0261500478, 0261500479 | Laser-Drilled Micro-Orifice Solenoid Valve | See Product Detail | |
| 06M906036AA, 06M906036F, 0261500473 | Laser Micro-Orifice Fast-Response Electromagnetic Solenoid | See Product Detail | |
| 9A712702502, 06M127025Q, 06M127025R | Integrated Solenoid Quantity Control Valve (N290) | See Product Detail | |
| 06M127025B, HPP0047, GDP225 | Integrated Solenoid Quantity Control Valve (N290) | See Product Detail |
Verified Vehicle Compatibility
| Make / Manufacturer | Vehicle Model & Platform | Engine Specification | Model Years |
|---|---|---|---|
| Porsche | Macan GTS / Turbo 2.9T | Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA) | 2019-2023 |
| Audi | S4 / S5 3.0T B9 | Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA) | 2017-2023 |
| Audi | RS4 / RS5 2.9T B9 | Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA) | 2018-2023 |
| Audi | S4 / S5 B9 3.0T | 3.0L EA839 CWGD 260kW | 2017-2023 |
| Audi | RS4 / RS5 B9 2.9T | 2.9L EA839 DECA 331kW | 2018-2023 |
| Porsche | Panamera 971 2.9T | 2.9L V6 Twin-Turbo 324kW | 2017-2023 |
| Porsche | Macan GTS | Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA) | 2019-2024 |
| Audi | RS4 Avant B9 | Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA) | 2018-2024 |
| Porsche | Cayenne PO536 | Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA) | 2018-2024 |
Installation, Tightening Torque & Re-torque Protocol
Strict torque compliance is mandatory on Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA) common-rail cylinder heads. Over-torquing stretches the injector body or strips the head clamping threads, while under-torquing allows combustion blow-by past the copper sealing washer:
- Hold-down clamp bolt: 9 N·m (cold state). Always clean the cylinder head recess with an injector seat reamer.
- High-pressure rail flare nut: 25-30 N·m using a dedicated 17 mm line wrench.
- Return leak-off banjo bolt: 9-12 N·m with fresh copper washers on both sides of the banjo union.
After fitting replacement injectors on Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA), generate or program the cylinder-specific IMA calibration code into the engine ECU using an OEM-level scan tool (Bosch KTS, Renault CLIP, or VAG-COM) to prevent cylinder power imbalance and rough idle.
Technical Diagnostics FAQ for Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA)
What DTC fault codes indicate a failing injector on Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA)?
The most frequent fault codes are P0201 through P0204 (Injector Circuit Malfunction on Cylinders 1-4), P2146/P2149 (Injector Group Supply Voltage Error), and P0087 (Fuel Rail Pressure Low due to excessive internal leak-off). Measure solenoid coil resistance across the pins (0.5-1.5 Ω) and perform a graduated-bottle dynamic leak-back test to pinpoint the leaking cylinder.
Can sister SKUs within the Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA) family be interchanged?
Not unless explicitly confirmed on the vehicle build plate. While sister SKUs share the same physical outer envelope and Integrated Solenoid Quantity Control Valve (N290) control valve, they differ in nozzle spray orifice angle and factory IMA flow calibration. Mixing sister SKUs on the same engine block can trigger rough idle, elevated exhaust gas temperatures (EGT), and MOT emissions failure.
Which specific Bosch injectors fit the Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA) engine?
The verified genuine Bosch common-rail injectors engineered for the Audi / Porsche EA839 (2.9L BiTurbo & 3.0L V6 Turbo TFSI CWGD / DECA) engine family are:
- Bosch 06M127025G Common Rail Injector → (OE: 06M127025K, 06M127025Q, 06M127025R, 0261520448) — Control Valve: Integrated Solenoid Quantity Control Valve (N290),
- Bosch 06M906036P Common Rail Injector → (OE: 06M906036AE, 0261500478, 0261500479) — Control Valve: Laser-Drilled Micro-Orifice Solenoid Valve,
- Bosch 06M906036AD Common Rail Injector → (OE: 06M906036AA, 06M906036F, 0261500473) — Control Valve: Laser Micro-Orifice Fast-Response Electromagnetic Solenoid,
- Bosch 9A712702500 Common Rail Injector → (OE: 9A712702502, 06M127025Q, 06M127025R, 0261520473, GDP216) —
- Bosch 06M127025F Common Rail Injector → (OE: 06M127025B, HPP0047, GDP225) —