HPD Top Exit Crankcase Breather –

4JJ1 / 4JJ3

✅ Top Exit Design | ✅ High-Quality Finish | ✅ Free Express Shipping Australia-Wide

Upgrade your breather system with the HPD Top Exit Crankcase Breather – built for performance and reliability. This breather is designed to work with HPD 4JJ1 / 4JJ3 rocker covers and suits high-performance catch can setups or custom routing applications.

Need the matching push-in -10AN adapter? Click here.

🔧 Suits the Following Vehicles:

• Holden Rodeo RA7 – 2007–2008
• Holden Colorado RC – 2008–2012
• Isuzu D-MAX – 2008–2020
• Isuzu D-MAX (4JJ3) – 2020 onwards
• Isuzu MU-X (4JJ1) – 2013–2019
• Isuzu MU-X (4JJ3) – 2020 onwards
• Mazda BT-50 – 4JJ3-TCX – 2020 onwards

📦 Key Features:

• Top-exit outlet – ideal for compact or upward catch can routing (doesn't work with top mount intercooler)
• Made by HPD Special Parts Thailand
• Designed to work with HPD’s alloy rocker covers for 4JJ1 / 4JJ3

🛠️ 4JJ3 Owners: Suitable bolts required for install (not included).

💳 Flexible Payment Options

Afterpay, Humm, Klarna, and Zip available at checkout.

🚚 Free Express Shipping Australia-Wide

Fast, trackable delivery – typically dispatched same or next business day.

⚠️ Stock & Availability

Generally in stock – Some items may have a 1–3 week wait depending on demand. If urgent, please message us before placing your order 😊