K9K Diesel Injector
Cross-Reference & Technical Specs
Authoritative technical specifications, verified Bosch part numbers, control valve stamping codes, and nozzle spray orifices for the K9K diesel engine family.
All Verified Part Numbers for K9K
The following 3 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.
28239294 / 9308-621CNozzle Code: L096PBD28239294 / 9308-621CNozzle Code: L153PBD28440421 / 9308-625CNozzle Code: L281PRD| Part Number (SKU) | Primary OE Reference | Control Valve | Nozzle Code |
|---|---|---|---|
| EJBR04001D, 8200049873, 8200206565 | 28239294 / 9308-621C | L096PBD | |
| EJBR03101D, 8200421359, 8200676774 | 28239294 / 9308-621C | L153PBD | |
| EJBR05301D, 166006212R, 8200704191 | 28440421 / 9308-625C | L281PRD |
Verified Vehicle Compatibility
| Make / Manufacturer | Vehicle Model & Platform | Engine Specification | Model Years |
|---|---|---|---|
| Renault | Clio II | 1.5 dCi (K9K 700/704) | 2001-2008 |
| Renault | Megane II | 1.5 dCi (K9K 722) | 2002-2008 |
| Renault | Kangoo | 1.5 dCi (K9K 702/710) | 2001-2008 |
| Renault | Scenic II | 1.5 dCi (K9K 722) | 2003-2008 |
| Nissan | Micra (K12) | 1.5 dCi (K9K 704) | 2003-2010 |
| Renault | Clio III | 1.5 dCi (K9K 764) | 2005-2012 |
| Renault | Megane II | 1.5 dCi (K9K 724/732) | 2005-2008 |
| Renault | Scenic II | 1.5 dCi (K9K 732) | 2005-2009 |
| Dacia | Logan | 1.5 dCi (K9K 792/796) | 2006-2012 |
| Dacia | Duster | 1.5 dCi (K9K 796) | 2010-2015 |
| Renault | Clio IV | 1.5 dCi (K9K 838) | 2012-2019 |
| Renault | Captur | 1.5 dCi (K9K 838) | 2013-2019 |
| Renault | Megane III | 1.5 dCi (K9K 836/837) | 2008-2016 |
| Mercedes-Benz | A-Class (W176) | A 180 CDI (OM 607.951) | 2012-2018 |
| Mercedes-Benz | B-Class (W246) | B 180 CDI (OM 607.951) | 2013-2018 |
| Mercedes-Benz | Citan (W415) | 108 / 109 CDI (OM 607.951) | 2012-2021 |
Installation, Tightening Torque & Re-torque Protocol
Strict torque compliance is mandatory on K9K 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: no family-specific value published for K9K - consult the OEM service manual. 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 K9K, 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 K9K
What DTC fault codes indicate a failing injector on K9K?
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 K9K family be interchanged?
Not unless explicitly confirmed on the vehicle build plate. While sister SKUs share the same physical outer envelope and 28239294 / 9308-621C 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 K9K engine?
The verified genuine Bosch common-rail injectors engineered for the K9K engine family are:
- Bosch EJBR01801A Common Rail Injector → (OE: EJBR04001D, 8200049873, 8200206565, 8200365186, 16600-00Q0A, 16600-00Q0C) — Control Valve: 28239294 / 9308-621C, Nozzle Code: L096PBD
- Bosch EJBR05102D Common Rail Injector → (OE: EJBR03101D, 8200421359, 8200676774, 8200815416, 166001137R) — Control Valve: 28239294 / 9308-621C, Nozzle Code: L153PBD
- Bosch 28232251 Common Rail Injector → (OE: EJBR05301D, 166006212R, 8200704191, A6070700187, A6070700087) — Control Valve: 28440421 / 9308-625C, Nozzle Code: L281PRD