Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E) 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 Cummins ISB / QSB 6.7L diesel engine family.
All Verified Part Numbers for Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E)
The following 2 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.
Bosch 095000-6310 Common Rail Injector for Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E) →
DENSO CRIPlateNozzle Code: DLLA152P879Bosch 0445120357 Common Rail Injector for Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E) →
DENSO CRIF00RJ01692Nozzle Code: DLLA144P1707| Part Number (SKU) | Primary OE Reference | Control Valve | Nozzle Code |
|---|---|---|---|
| 6271-11-3100, 6271-11-3101, 6271-11-3102 | Plate | DLLA152P879 | |
| 4988835, 5263308, 4988834 | F00RJ01692 | DLLA144P1707 |
Verified Vehicle Compatibility
| Make / Manufacturer | Vehicle Model & Platform | Engine Specification | Model Years |
|---|---|---|---|
| Komatsu | Hydraulic Excavators (PC200-8, PC220-8, PC270-8) | Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E) | 2006-2017 |
| Komatsu | Wheel Loaders (WA200-6, WA250-6, WA320-6) | Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E) | 2006-2016 |
| Komatsu | Crawler Dozers (D39-22, D51-22) | Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E) | 2008-2016 |
| Dongfeng | Tianlong / Tianjin Cargo Trucks | Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E) | 2008-2020 |
| Foton | Auman / GTL Commercial Trucks | Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E) | 2009-2019 |
| Yutong | City Transit & Intercity Buses | Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E) | 2009-2021 |
Installation, Tightening Torque & Re-torque Protocol
Strict torque compliance is mandatory on Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E) 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: 34 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 Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E), 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 Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E)
What DTC fault codes indicate a failing injector on Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E)?
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 Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E) family be interchanged?
Not unless explicitly confirmed on the vehicle build plate. While sister SKUs share the same physical outer envelope and Plate 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 Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E) engine?
The verified genuine Bosch common-rail injectors engineered for the Cummins ISB / QSB 6.7L (ISDe / Komatsu SAA6D107E) engine family are:
- Bosch 095000-6310 Common Rail Injector → (OE: 6271-11-3100, 6271-11-3101, 6271-11-3102, 095000-6311, 095000-6312, 095000-6313, DCRI106310) — Control Valve: Plate, Nozzle Code: DLLA152P879
- Bosch 0445120357 Common Rail Injector → (OE: 4988835, 5263308, 4988834, 5263307, C4988835, C5263308) — Control Valve: F00RJ01692, Nozzle Code: DLLA144P1707