Audi / VW / Porsche EA837 3.0L V6 Supercharged TFSI (CGWB / CTUB / CREC) 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 diesel engine family.
All Verified Part Numbers for Audi / VW / Porsche EA837 3.0L V6 Supercharged TFSI (CGWB / CTUB / CREC)
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.
High-Pressure Solenoid Actuated Multi-Hole NozzleNozzle Code: See Product DetailIntegrated Fuel Metering Solenoid Valve N290Nozzle Code: See Product DetailHigh-Pressure Solenoid Actuated Multi-Hole NozzleNozzle Code: See Product DetailHigh-Pressure Solenoid Actuated Multi-Hole NozzleNozzle Code: See Product DetailHigh-Pressure Solenoid Actuated Multi-Hole NozzleNozzle Code: See Product Detail| Part Number (SKU) | Primary OE Reference | Control Valve | Nozzle Code |
|---|---|---|---|
| 0261500076, 0261500077, 06E906036C | High-Pressure Solenoid Actuated Multi-Hole Nozzle | See Product Detail | |
| 06E127025N, 06E127025AB, 06E127025J | Integrated Fuel Metering Solenoid Valve N290 | See Product Detail | |
| 06E906036C, 0261500043, 0261500044 | High-Pressure Solenoid Actuated Multi-Hole Nozzle | See Product Detail | |
| 06E906036K, 06E906036Q, 0261500160 | High-Pressure Solenoid Actuated Multi-Hole Nozzle | See Product Detail | |
| 06E127025AC, 0261520228, HPP0012 | High-Pressure Solenoid Actuated Multi-Hole Nozzle | See Product Detail |
Verified Vehicle Compatibility
| Make / Manufacturer | Vehicle Model & Platform | Engine Specification | Model Years |
|---|---|---|---|
| Audi | S4 (B8 / B8.5) | 3.0 TFSI Supercharged EA837 | 2010-2016 |
| Audi | A6 3.0T (C7) | 3.0 TFSI Supercharged EA837 | 2012-2018 |
| Audi | Q7 3.0T (4L) | 3.0 TFSI Supercharged EA837 | 2011-2015 |
| Porsche | Cayenne S E-Hybrid (92A) | 3.0L Supercharged V6 + Hybrid | 2011-2018 |
| Audi | S4 / S5 B8 B8.5 | Audi / VW / Porsche EA837 3.0L V6 Supercharged TFSI (CGWB / CTUB / CREC) | 2010-2017 |
| Audi | A6 C7 / A7 4G8 | Audi / VW / Porsche EA837 3.0L V6 Supercharged TFSI (CGWB / CTUB / CREC) | 2012-2018 |
| Audi | Q7 4L / SQ5 8R | Audi / VW / Porsche EA837 3.0L V6 Supercharged TFSI (CGWB / CTUB / CREC) | 2011-2017 |
| Porsche | Cayenne / Panamera | Audi / VW / Porsche EA837 3.0L V6 Supercharged TFSI (CGWB / CTUB / CREC) | 2011-2018 |
Installation, Tightening Torque & Re-torque Protocol
Strict torque compliance is mandatory on Audi / VW / Porsche EA837 3.0L V6 Supercharged TFSI (CGWB / CTUB / CREC) 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: 10 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 / VW / Porsche EA837 3.0L V6 Supercharged TFSI (CGWB / CTUB / CREC), 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 / VW / Porsche EA837 3.0L V6 Supercharged TFSI (CGWB / CTUB / CREC)
What DTC fault codes indicate a failing injector on Audi / VW / Porsche EA837 3.0L V6 Supercharged TFSI (CGWB / CTUB / CREC)?
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 / VW / Porsche EA837 3.0L V6 Supercharged TFSI (CGWB / CTUB / CREC) family be interchanged?
Not unless explicitly confirmed on the vehicle build plate. While sister SKUs share the same physical outer envelope and High-Pressure Solenoid Actuated Multi-Hole Nozzle 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 / VW / Porsche EA837 3.0L V6 Supercharged TFSI (CGWB / CTUB / CREC) engine?
The verified genuine Bosch common-rail injectors engineered for the Audi / VW / Porsche EA837 3.0L V6 Supercharged TFSI (CGWB / CTUB / CREC) engine family are:
- Bosch 06E906036E Common Rail Injector → (OE: 0261500076, 0261500077, 06E906036C) — Control Valve: High-Pressure Solenoid Actuated Multi-Hole Nozzle,
- Bosch 06E127025G Common Rail Injector → (OE: 06E127025N, 06E127025AB, 06E127025J, HPP0007, HM10017, FI1534) — Control Valve: Integrated Fuel Metering Solenoid Valve N290,
- Bosch 06E906036AF Common Rail Injector → (OE: 06E906036C, 0261500043, 0261500044, FJ1049) —
- Bosch 06E906036AJ Common Rail Injector → (OE: 06E906036K, 06E906036Q, 0261500160, FJ1021) —
- Bosch 06E127025AB Common Rail Injector → (OE: 06E127025AC, 0261520228, HPP0012) —