• FuseTech 4JJ1 Stroker Fuel Pump, new Denso upgraded fuel pump with improved performance, shown in a detailed close-up image.
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FuseTech

4JJ1 Stroker Pump - New Denso Pump (Upgraded)

4JJ1 Stroker Pump - New Denso Pump (Upgraded)

$2,523.50 AUD
$2,523.50 AUD
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Built to order

4JJ1 Stroker Pump - New Denso Pump (Upgraded) - High Flow HP3 Upgrade

✅ Built for 450+ RWHP | ✅ High-Flow HP3 | ✅ Free Express Shipping

🔥 4.7mm Stroker Shaft 🔧 New HP3 Pump 💳 Afterpay • Humm • Klarna • Zip
🧩 Product Overview

This 4JJ1 Stroker Pump is a New Denso HP3 fitted with a 4.7 mm Stroker Shaft, designed to deliver the fuel volume needed for 450+ RWHP performance builds.

Ideal for high-boost, big-turbo, compound, and race setups.

🚙 Vehicle Compatibility
  • Holden Colorado RC 2008 - 4JJ1
  • Isuzu Dmax 2007-2016 - 4JJ1 (Pre DPF)
  • Isuzu MU-X 2012-2016 - 4JJ1 (Pre DPF)
💨 Why Upgrade to a 4.7 mm Stroker Pump?
  • ✅ Supports 350–380 RWHP depending on tuning & injectors
  • ✅ Increased plunger stroke = higher fuel delivery
  • ✅ Maintains rail pressure under high boost
  • ✅ Perfect for big turbo or compound builds
  • ✅ Direct replacement for factory HP3 pump
📦 Product Details
  • New Denso HP3 body - Denso Part Number: 294000-1400
  • Upgraded 4.7 mm Fuse Tech Stroker Shaft installed
  • New components
💳 Payment & 🚚 Shipping
  • Afterpay, Humm, Klarna & Zip available
  • Free Express Shipping Australia-Wide
  • Fast dispatch on all in-stock units
❓ FAQs
What power can this support?
Typically 400-450 RWHP depending on injectors, turbo size and tuning.
Is tuning required?
Yes. A custom tune is required to take advantage of increased fuel volume.
Will this fit all 4JJ1 models?
Most common-rail 4JJ1 HP3 systems (Pre DPF)
Is this brand new?
Yes — this is a New HP3 pump with upgraded internals.

👉 Upgrade your 4JJ1 today — unleash the fuel volume your high-power build needs.

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