0445110305 Common Rail Injector: Specs, JMC/Isuzu Fitments & Installation Guide

The 0445110305 is a common rail solenoid injector designed for JMC and Isuzu light diesel engines (4JB1, 4JH1). It is widely used in pickups, light trucks, and vans operating in urban and mixed urban‑rural conditions.

This guide provides a complete reference covering specifications, compatible engines, known vehicle fitments, cross-reference numbers, installation checks, common failure symptoms, repair experience, and FAQs.

These injectors are 100% new aftermarket units, tested on imported professional common rail equipment and backed by a 6‑month warranty.

0445110305 Injector

Quick Navigation

  • Technical Specifications

  • Compatible Engines

  • Known Vehicle Fitments

  • Cross-Reference Numbers

  • Pre‑Installation Checklist (5 Steps)

  • Common Failure Symptoms

  • Why Fleets Trust This Injector

  • Repair Shop Experience

  • Frequently Asked Questions

  • Complete Technical Guide

1. Technical Specifications: 0445110305 Injector

All values are industry standard for Bosch CRI2 (CRIN2) injectors. Aftermarket new units meet or exceed these specifications.

  • Bosch numbers: 0445110305 / 0 445 110 305

  • Injector type: High‑pressure common rail solenoid

  • Platform: Bosch CRI2 (CRIN2)

  • Max system pressure: Approx. 1600–1800 bar (common rail operating pressure)

  • Nozzle type: DLLA82P1668 (multi‑hole laser‑drilled)

  • Number of nozzle holes: 6

  • Control valve: F00VC01359

  • Calibration: IQA trim code (printed on injector label)

  • Coil resistance (20°C): 0.2–0.6 Ω

  • Typical return flow at idle: 20–35 ml/min

  • Weight: Approx. 0.6 kg

System pressure refers to common rail operating pressure, not injector opening pressure.

2. Compatible Engines for 0445110305 Injector

  • JMC 4JB1 (2.8L) – JMC pickups, light trucks, vans

  • JMC 4JH1 (3.0L) – JMC commercial vehicles

  • Isuzu 4JB1 / 4JH1 (2.8L / 3.0L) – Various light diesel applications

  • FAW CA4DC – Cross‑reference applications

Always confirm using your engine serial number or original injector part number – regional emission calibrations may vary.

3. Known Vehicle Fitments for 0445110305 Injector

Based on cross‑referenced data from supplier catalogs and e‑commerce platforms, this injector may fit the following models:

  • JMC pickups: JMC Yuhu, JMC Treasure (Baodian) – Euro III / IV versions

  • JMC light trucks: JMC Carrying, JMC Kaiyun

  • JMC vans: JMC Teshun, JMC Quanshun

  • Isuzu platforms: Isuzu light trucks using 4JB1/4JH1 engines

  • FAW light trucks: Select FAW light truck applications

Always confirm compatibility using the original injector number, engine code, or vehicle VIN.

4. Cross‑Reference Numbers for 0445110305 Injector

  • Bosch: 0445110305 / 0 445 110 305

  • Control valve: F00VC01359

  • Nozzle: DLLA82P1668

  • Aftermarket cross: 0986435231 (Bosch aftermarket reference)

5. Pre‑Installation Checklist: 5 Critical Steps Before Installing Bosch 0445110305

Most post‑installation failures are caused by skipped procedures. Use this checklist before fitting the injector.

  • Replace the copper sealing washer
    Always install a new copper washer. Reusing the old washer can cause combustion gas leakage, carbon buildup, and injector seat damage.

  • Clean the injector bore
    Remove dirt and carbon deposits from the injector bore inside the cylinder head. The injector should fit freely without force.

  • Perform a coil resistance test (recommended)
    Use a multimeter across the two electrical terminals. Normal range: 0.2–0.6 Ω. If resistance is open circuit or shorted, do not install the injector.

  • Enter the correct IQA code
    Input the injector’s 7‑digit IQA code into the ECU. Skipping this step may cause rough idle, fuel imbalance, reduced power, and increased fuel consumption.

  • Ensure a clean fuel system
    Dirty fuel is a major cause of injector failure. Before installation: replace fuel filters, inspect for water contamination, and check fuel lines and tank cleanliness.

Free coding guidance is available on request.

6. Common Failure Symptoms of Bosch 0445110305

When injector wear or fuel contamination occurs, typical symptoms may include:

  • Difficult engine starting

  • Rough idle

  • Black exhaust smoke

  • Increased fuel consumption

  • Reduced engine power

  • Engine vibration

  • Excessive injector return flow

  • Misfire under load

Ignoring these symptoms may eventually affect fuel system components, turbocharger performance, and overall engine reliability. Early testing can reduce repair costs.

7. Why Fleets Trust This Injector

The Bosch 0445110305 is a proven injector for JMC and Isuzu light commercial vehicles. It provides:

  • Stable fuel delivery

  • Consistent spray pattern

  • Accurate ECU response

  • Reduced black smoke

  • Lower diagnostic repeat time

With proper pre‑installation testing, return‑flow inspection, and correct IQA coding, expected service life is approximately 150,000–200,000 km, depending on fuel quality and maintenance conditions.

8. Repair Shop Experience: Bosch 0445110305

A repair shop in Guangzhou was working on a 2015 JMC Yuhu pickup (4JB1 engine) with black smoke, rough idle, and power loss. The mechanic had already replaced the injectors twice with remanufactured units, but the problem returned each time.

They ordered a set of 4 new 0445110305 injectors. Before installation, they performed coil resistance and return flow tests (see Section 5).

Test results:

All 4 passed coil resistance (0.3–0.5 Ω).

Three injectors showed return flow of 28–32 ml/min (healthy); one showed 48 ml/min (caution range). A replacement injector (31 ml/min) was sent.

Outcome: After installing the matched set with correct IQA coding, the pickup ran smoothly with no smoke. The shop owner said the extra 10 minutes of testing saved days of rework. The shop now makes pre‑installation testing standard.

9. FAQ – 0445110305 Injector

Q1: Can Bosch 0445110305 be installed without coding?
No. Incorrect or missing IQA coding can result in rough idle, unstable fuel delivery, and reduced performance.

Q2: What is the normal coil resistance of Bosch 0445110305?
Typical resistance at 20°C is 0.2–0.6 Ω. Values outside this range may indicate internal electrical faults.

Q3: How long does a Bosch 0445110305 injector normally last?
Under proper maintenance conditions and clean fuel usage, expected service life is 150,000–200,000 km.

Q4: Can I replace only one injector?
Yes. However, injector balance and ECU coding should be checked after replacement.

Q5: What causes premature injector failure?
Common causes include dirty fuel, water contamination, poor fuel filtration, incorrect installation, and ignoring injector coding procedures.

10. Need Technical Support for Bosch 0445110305?

For the following, inquiries are welcome:

  • 100% new aftermarket injectors

  • Individual injector test reports

  • IQA coding support

  • Fast international shipping

  • 6‑month warranty

  • Technical application guidance

👉 Contact us for pricing, fitment confirmation, or technical support.

👉 Read More: 0445110305 Injector – Complete Guide for JMC & Isuzu Light Diesel Engines






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