Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A) 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 Honda 2.4L Earth Dreams diesel engine family.
All Verified Part Numbers for Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A)
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 Electromagnetic Flow Control SolenoidNozzle Code: See Product Detail10-Hole Precision Multi-Dispersal Micro-Droplet Atomization DirectorNozzle Code: See Product DetailIntegrated Electromagnetic Flow Control SolenoidNozzle Code: See Product DetailIntegrated Electromagnetic Flow Control SolenoidNozzle Code: See Product DetailIntegrated Electromagnetic Flow Control SolenoidNozzle Code: See Product Detail| Part Number (SKU) | Primary OE Reference | Control Valve | Nozzle Code |
|---|---|---|---|
| GE190-019, 296100-0040 | Integrated Electromagnetic Flow Control Solenoid | See Product Detail | |
| 16450-R40-A01, FJ1045, 842-12365 | 10-Hole Precision Multi-Dispersal Micro-Droplet Atomization Director | See Product Detail | |
| 16450-RAA-A01, FJ484, 842-12270 | Integrated Electromagnetic Flow Control Solenoid | See Product Detail | |
| 16010-5LA-305, FJ1218, 842-12380 | Integrated Electromagnetic Flow Control Solenoid | See Product Detail | |
| 16010-5A2-A51, 16010-5A2-A50, 16010-5A2-305 | Integrated Electromagnetic Flow Control Solenoid | See Product Detail |
Verified Vehicle Compatibility
| Make / Manufacturer | Vehicle Model & Platform | Engine Specification | Model Years |
|---|---|---|---|
| Honda | Accord IX 2.4L | 2.4L K24W1/K24W2 136kW | 2013-2017 |
| Honda | CR-V IV 2.4L | 2.4L K24W9 136kW | 2015-2016 |
| Honda | Odyssey V 2.4L | 2.4L K24W5 137kW | 2015-2019 |
| Honda | Accord Mk8 / CR-V | Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A) | 2008-2014 |
| Acura | TSX CU2 | Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A) | 2009-2014 |
| Honda | Civic Si | Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A) | 2012-2015 |
Installation, Tightening Torque & Re-torque Protocol
Strict torque compliance is mandatory on Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A) 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: 12 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 Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A), 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 Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A)
What DTC fault codes indicate a failing injector on Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A)?
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 Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A) family be interchanged?
Not unless explicitly confirmed on the vehicle build plate. While sister SKUs share the same physical outer envelope and Integrated Electromagnetic Flow Control Solenoid 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 Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A) engine?
The verified genuine Bosch common-rail injectors engineered for the Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A) engine family are:
- Bosch 16790-5A2-A01 Common Rail Injector → (OE: GE190-019, 296100-0040) — Control Valve: Integrated Electromagnetic Flow Control Solenoid,
- Bosch 16450-R40-003 Common Rail Injector → (OE: 16450-R40-A01, FJ1045, 842-12365) — Control Valve: 10-Hole Precision Multi-Dispersal Micro-Droplet Atomization Director,
- Bosch 16450-PPA-A01 Common Rail Injector → (OE: 16450-RAA-A01, FJ484, 842-12270) —
- Bosch 16450-5LA-A01 Common Rail Injector → (OE: 16010-5LA-305, FJ1218, 842-12380, 16450-5LA-A02) —
- Bosch 16010-5A2-A52 Common Rail Injector → (OE: 16010-5A2-A51, 16010-5A2-A50, 16010-5A2-305, 06160-5A2-A52, FJ1217) —