Injector Washer Kit suitable for Isuzu 4JJ1
When replacing injectors on your 4JJ1 engine, new washers are a must to ensure a proper seal and prevent compression leaks. This kit is designed to make injector installs trouble-free and is the perfect add-on when purchasing new injectors.
🚗 Suitable for:
Isuzu D-Max 4JJ1 3.0L (2008–2020)
Holden Colorado / Rodeo 4JJ1 3.0L
MU-X 4JJ1 3.0L
📦 What’s in the kit:
4 x Injector sealing washers
4 x Injector return line washers
🛠️ Fitment details:
Required whenever fitting new or serviced injectors
Prevents blow-by and injector seat damage
Direct replacement fit for 4JJ1 engines
💡 Why you need this kit:
Old washers can’t be reused—failure to replace them risks carbon build-up, poor sealing, and costly repairs. This simple kit keeps your new injectors running as intended.
