Injector Fitting Kit suitable for Isuzu 4JJ1 – Pre-2014

When replacing injectors on a 4JJ1 engine, a fitting kit is essential to prevent leaks and ensure everything seals up properly. Isuzu updated the rocker cover design in 2014, which changed the injector seals and gaskets used. This kit is designed specifically for Pre-2014 models with the 3-bolt rocker cover.

🚗 Suitable for:

• Isuzu D-MAX 3.0L 4JJ1-TC (up to 06/2014)
• MU-X 3.0L 4JJ1 (up to 06/2014)
• Holden Colorado / Rodeo 3.0L 4JJ1 2008-2012
• Pre 06/2014 changeover

📦 What’s in the kit:

• 1x Rocker cover gasket
• 4x Leak Off Washers
• 4x Injector Solenoid Seal
• 4x Injector Seal

🛠️ Fitment details:

• This kit is to suit pre 06/2014 model 4JJ1 engines with the “3-Bolt” Rocker cover. (3 bolts across the front)
• NOTE: 2014 is a change over year, so VIN is required to see if correct fitting kit is supplied.
• Required whenever fitting new or reconditioned injectors

💡 Why you need this kit:

• Prevents compression leaks (“blow-by”) and oil leaks around injectors
• All new genuine parts inside
• Replaces seals that cannot be reused once disturbed
• Protects new injectors and ensures long-term reliability