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ENGINE FAMILY SPECIFICATIONBOSCH COMMON RAILEuro 4 / Euro 5

Weichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial) 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 Weichai WP10 diesel engine family.

Primary OEMBOSCH
Control ValveF00RJ02472
Nozzle CodeDLLA150P2142
Peak Pressure1600 bar
Hold-Down Torque35 N·m
View All 5 Compatible SKUs ↓
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All Verified Part Numbers for Weichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)

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.

OE Numbers: 1112BF11010, 612600080611
Control Valve: F00RJ02472Nozzle Code: DLLA150P2142
OE Numbers: 612600080977, 612600080618, DZ91189360055
Control Valve: F00RJ01692Nozzle Code: DLLA151P2182
OE Numbers: 612600080977, 612600080618, DZ91189360055
Control Valve: F00RJ01692Nozzle Code: DLLA151P2182
OE Numbers: 612630090028, 612630090001, 612630090012
Control Valve: F00RJ01727Nozzle Code: DLLA148P2221
OE Numbers: 612600080618, 612600080971, 0445120227, 0445120228
Control Valve: F00RJ01692Nozzle Code: DLLA150P1828
Part Number (SKU)Primary OE ReferenceControl ValveNozzle Code
0445120183 →
1112BF11010, 612600080611F00RJ02472DLLA150P2142
0445120227 →
612600080977, 612600080618, DZ91189360055F00RJ01692DLLA151P2182
0445120228 →
612600080977, 612600080618, DZ91189360055F00RJ01692DLLA151P2182
0445120265 →
612630090028, 612630090001, 612630090012F00RJ01727DLLA148P2221
0445120134 →
612600080618, 612600080971, 0445120227F00RJ01692DLLA150P1828
02

Verified Vehicle Compatibility

Make / ManufacturerVehicle Model & PlatformEngine SpecificationModel Years
DongfengDFL Kingrun / T-Lift / Cargo TruckWeichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2008-present
DongfengDFL Series Medium Duty CommercialWeichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2009-present
FotonAuman / Forland Commercial TrucksWeichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2010-present
ShacmanDelong F2000 / F3000 / M3000 Heavy TruckWeichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2008-2018
FotonAuman ETX / GTL Heavy Duty TruckWeichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2009-2019
SinotrukHowo / Steyr King Commercial TruckWeichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2008-2017
BeibenV3 / 2638 Heavy Haul TractorWeichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2008-2018
ShacmanDelong F3000 / X3000 Heavy TruckWeichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2011-2022
SinotrukHowo A7 / T7H Commercial TractorWeichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2012-2021
FotonAuman GTL / EST Heavy Duty HaulerWeichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2013-2022
BeibenV3 Heavy Haul TractorWeichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2012-2021
ShacmanDelong Heavy Trucks (F3000, X3000)Weichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2009-2020
SinotrukHOWO A7 / T7H Commercial VehiclesWeichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2010-2019
FotonAuman GTL / ETX Dump TrucksWeichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2010-2020
BeibenHeavy Duty Tractors (2638, 2642)Weichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)2010-2021
03

Installation, Tightening Torque & Re-torque Protocol

Strict torque compliance is mandatory on Weichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial) 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:

🔧 Recommended Assembly Torques:
  • Hold-down clamp bolt: 35 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.
⚠️ ECU IMA Coding Requirement:

After fitting replacement injectors on Weichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial), 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.

04

Technical Diagnostics FAQ for Weichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)

What DTC fault codes indicate a failing injector on Weichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial)?

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 Weichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial) family be interchanged?

Not unless explicitly confirmed on the vehicle build plate. While sister SKUs share the same physical outer envelope and F00RJ02472 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 Weichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial) engine?

The verified genuine Bosch common-rail injectors engineered for the Weichai WP10 / WP12 (9.7L & 11.6L Heavy Commercial) engine family are: