HPD Side Exit Crankcase Breather –

4JJ1 / 4JJ3

✅ Side Exit Design | ✅ Bolt-On Fitment | ✅ Free Express Shipping Australia-Wide

Upgrade your 4JJ breather system with the HPD Side Exit Crankcase Breather – designed specifically for 4JJ1 and 4JJ3 engines. Perfect for custom catch can setups or high-performance builds requiring a clean breather exit point.

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

🔧 Suits the Following Vehicles:

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

* Note: Requires 4 × 8G (4.2 × 30 mm) pan-head self-tapping stainless screws (max head Ø 8.5 mm).

❌ Not compatible with 4JJ1-TC models running the factory top-mount intercooler.

📦 What You Need to Know:

• Made by HPD Special Parts – Thai import
• Side exit design for cleaner routing and catch can setups
• For 4JJ3 models, suitable mounting screws are required (not included)

💳 Flexible Payment Options:

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

🚚 Free Express Shipping Australia-Wide

Typically ships same or next business day – unless out of stock.

⚠️ Stock Notice

These are usually in stock. Occasionally, a 1–3 week wait may apply depending on demand. Need it urgently? Shoot us a message through the store chat before ordering!