• HPD Crankcase Breather Adapter - 4JJ1 - 4JJ3 - -10AN Push In Adapter - Common Rail Cowboys
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HPD Special Parts

HPD Crankcase Breather Adapter - 4JJ1 - 4JJ3 - -10AN Push In Adapter

HPD Crankcase Breather Adapter - 4JJ1 - 4JJ3 - -10AN Push In Adapter

$67.50 AUD
$67.50 AUD
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HPD Crankcase Breather Adapter – 4JJ1 / 4JJ3 (-10AN Push-In)

 

✅ -10AN Push-In Adapter | ✅ Suits 4JJ1 & 4JJ3 | ✅ Free Express Shipping Australia-Wide

Upgrade your crankcase ventilation setup with this HPD Crankcase Breather Adapter, designed to convert the factory 4J breather outlet to a high-flow -10AN fitting. Perfect for catch can setups and custom breather solutions, this push-in adapter delivers both clean fitment and race-ready function.

🔧 Suits the Following 4J Models
  • Holden Rodeo RA7 – 2007–2008
  • Holden Colorado RC – 2008–2012
  • Isuzu D-MAX 4JJ1 – 2008–2020
  • Isuzu D-MAX 4JJ3 – 2020 Onward
  • Isuzu MU-X 4JJ1 – 2013–2020
  • Isuzu MU-X 4JJ3 – 2020 Onward
  • Mazda BT-50 4JJ3-TCX – 2020 Onward

Not all models have a hole for this breather adapter, if you have a plastic cover with a barb, this will not fit.

💪 Why Use a -10AN Adapter?
  • Push-in design — no welding or thread tapping needed
  • Clean, leak-free fitment — ideal for custom catch-can installs
  • Built by HPD — Aussie-tested parts from trusted brands
📦 What’s in the Box
  • 1× HPD -10AN push-in breather adapter
🧩 Fitment Notes
  • Adapts OEM rocker cover breather to -10AN hose/fittings
  • Check clearance with TMIC/aftermarket piping before final tighten
  • Use quality clamps/AN fittings to ensure a sealed system
🛠️ Install Overview
  1. Remove factory breather outlet and clean sealing area
  2. Lightly spread RTV on fitting
  3. Install fitting allowing RTV to set
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