Denso Injector Set suitable for Isuzu 4JJ1 DPF Models 2016–2019
Injector failure on the 4JJ1 DPF engine shows up fast: rough idle, excessive smoke, misfires, or high long-term fuel trims. These are brand new Denso injectors, part number 8-89317930-0, from the same manufacturer that supplies Isuzu from the factory. Full set of four to sort the job in one go.
🚗 Suitable for:
- Isuzu D-Max 3.0L 4JJ1-TC Turbo Diesel DPF 2016–2019
- Isuzu MU-X 3.0L 4JJ1-TC Turbo Diesel DPF 2016–2019
- All 4JJ1 DPF model vehicles 2016–2019
📦 What’s Included:
- 4x brand new Denso fuel injectors (8-89317930-0)
🔧 Fitment Details:
- Direct OEM replacement for 4JJ1 DPF model injectors 2016–2019
- Confirm your engine is the DPF equipped 4JJ1 before ordering; pre-DPF 4JJ1 injectors differ
- Return lines, seals, and copper washers are NOT included
⚙️ Why Choose Denso:
- Denso is the OEM injector supplier to Isuzu for the 4JJ1 platform
- Brand new units, not remanufactured or reconditioned
- Japanese manufactured to OEM specification and flow rates
- Part no. 8-89317930-0, direct genuine Denso reference
📦 Dispatch Information:
In stock in Brisbane. Order before midday for same-day dispatch.
❓ FAQs:
Q: Are these remanufactured or brand new?
A: Brand new. These are not reconditioned or remanufactured units.
Q: Does this kit include return lines, seals, or copper washers?
A: No. The set includes the four injectors only. Return lines, seals, and copper washers need to be sourced separately.
Q: Will these suit pre-2016 4JJ1 models without DPF?
A: No. This part number is specific to the DPF equipped 4JJ1 from 2016–2019. Pre-DPF 4JJ1 injectors are a different part.











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