• 4JJ1 +30/+50 Injectors – (2006–2012) - Common Rail Cowboys
  • 4JJ1 Injector Upgrade - Isuzu Dmax - Common Rail Cowboys
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Denso

4JJ1 +30/+50 Injectors – (2006–2012)

4JJ1 +30/+50 Injectors – (2006–2012)

(2)

$3,550.00 AUD
$3,550.00 AUD
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Taxes included. Shipping calculated at checkout.

Injector Type
Available to Order – ETA Pending

4JJ1 +30 / +50 Injectors – (2006–2012)

 

🚚 Free Express AU 💳 Afterpay • Humm • Klarna • Zip ⚡ Performance Upgrade

 

4 × Genuine Denso injector bodies modified to +30 or +50 flow for serious 4JJ1 builds. Supports 200–300+ RWHP with the right turbo (F44/F55), intercooler and tune.

🔧 Suits / Compatibility
  • Isuzu D-MAX 4JJ1-TC — 2006–2012
  • Holden Colorado RC 4JJ1-TC — 2008–2012
  • Holden RA7 Rodeo 4JJ1-TC — 2007–2008

Guide only — send VIN or current injector code to confirm.

⚠ Injector Disclaimer

When a modified “+size” injector is sold as Genuine, that refers to the injector body only. The nozzle is replaced/modified to achieve the flow increase, so overall specs differ from OEM.

⚙ Specs & Notes
  • Available in +30 or +50 flow
  • High-boost capable (≈ up to 45 PSI with correct tune)
  • ECU tuning required for safe AFR/EGT
  • Ideal for turbo/intercooler/tuned builds
🆔 Cross-Reference Part Numbers

Denso base: 095000-6980 (comp code typically starts “5F”)

Alternate Denso: 095000-6100, 095000-6983

Isuzu/GM: 98011604, 8-98011604-0/-1/-2/-3/-4/-5

🛠 Install Tips
  • Code each injector to the ECU
  • Fit new seat washers/seals; keep everything surgically clean
  • Prime system; check return flow & rail control on first start
💳 Payment & 🚚 Shipping
  • Afterpay • Humm • Klarna • Zip
  • Free Express Shipping Australia-Wide — fast, trackable dispatch

❓ FAQs

Do I need a tune?
Yes — +30/+50 injectors require an ECU remap to control fueling and keep AFR/EGT in check.
Are these brand new?
Yes — genuine Denso bodies with performance nozzles (+30/+50) fitted.
How do I confirm fitment?
Check your existing part/code or send VIN/reg. Pre-DPF 4JJ1 typically uses a code starting with “5F”.
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