• Isuzu 4JJ1 DMAX 2017 - 2020 Injectors - Common Rail Cowboys
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Denso

Isuzu 4JJ1 DMAX 2017 - 2020 Injectors

Isuzu 4JJ1 DMAX 2017 - 2020 Injectors

$4,469.00 NZD
$4,469.00 NZD
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Available to Order – ETA Pending

Isuzu 4JJ1 D-MAX Injectors – 2017–2020 (DPF)

🚚 Free Express AU 💳 Afterpay • Humm • Klarna • Zip 🛠 Direct Replacement

Brand new Genuine Denso injector set (4x) for 2017–2020 Isuzu D-MAX 4JJ1 DPF models. Perfect OEM-quality replacement for high-km or faulty injectors — no exchange required.

🧩 Overview

These injectors restore factory fuel delivery, performance, emissions behaviour and reliability. Ideal for touring, towing and tuned setups needing dependable OEM hardware.

🆔 Part Numbers
  • Denso: 295050-2420
  • Isuzu / GM: 8-98317930-0

Compensation Codes: Stamped on top of the injector — start with 9F….

🔧 Suits / Compatibility
  • Isuzu D-MAX 4JJ1-TCX — 2017–2020 (DPF)

If unsure, message us with your VIN or injector code and we’ll confirm fitment.

✨ Why Choose Genuine Denso?
  • Exact OEM fitment
  • Correct spray pattern & fuel delivery
  • Reliable for towing, off-road & tuned setups
  • No coding issues when programmed correctly
📦 What’s Included
  • 4 × Genuine Denso injectors
  • Individual compensation codes
🛠 Install Notes
  • Always program each injector’s compensation code to the ECU
  • Use new seat washers with proper torque
  • Keep injector bores clean and free of carbon
💳 Payment & 🚚 Shipping
  • Afterpay • Humm • Klarna • Zip available
  • Free Express Shipping Australia-wide

❓ FAQs

Are these injectors new or reconditioned?
These are brand new Genuine Denso injectors, not reconditioned, not exchange units.
Do I need to program the codes?
Yes. Each injector has a unique 9F… compensation code that must be entered into the ECU.
Will these fit my 2015 D-MAX?
No — these suit 2017–2020 DPF models. The 2012–2016 injectors are different.
Do they come with seals?
No — seat washers should be replaced during installation. Add a washer kit if required.
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