

Radium Engineering Fluid Lock Catch Can Kit for Mitsubishi EVO 4-6
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Description
Radium Fluid Lock Catch Can Kit, Mitsubishi EVO 4-6
Application: Mitsubishi Lancer Evolution IV, V and VI
Part Type: PCV catch can kit with Fluid Lock catch can
Part Number: 20-1333-FL
The Radium EVO 4-6 catch can kit separates oil and water condensation from crankcase gases before they reach the intake manifold, helping prevent build-up on the intake, intercooler walls, throttle body and manifold. The kit mounts next to the firewall and plumbs inline between the PCV valve and the intake manifold, retaining the OEM closed PCV operation and keeping oil vapours out of the cabin.
Radium catch cans are pressure sealed, so they are safe for boosted applications without a check valve. The 7 fl oz Fluid Lock can features a patented mechanism that prevents overfilling and traps fluids until emptied.
Key Features
- Direct Fit: Direct fitment with no drilling required
- Fluid Lock: Patented Fluid Lock system prevents overfilling and traps collected fluids
- Large Ports: 10AN ORB inlet and outlet ports, 4AN ORB drain port
- Separation: 2-step oil separation baffling
- Dipstick: O-ring sealed dipstick for checking fluid level
- Boost Safe: Pressure sealed – no check valve required
What's Included
- Fluid Lock catch can
- Anodised aluminium mount bracket
- Low-profile swivelling banjo fittings
- SAE quick-connector hose ends
- PCV hose
- Stainless steel mounting hardware
Optional Parts
- Radium Catch Can Petcock Drain Kit (20-0024) – optional drain, if there is room underneath the can
Important Notes
- No fixed emptying interval – start checking the dipstick after about 3-4 weeks of driving and repeat as needed
- Empty by unscrewing the lower reservoir, or fit the optional petcock drain kit (not included)
- Excessive collection can indicate an engine problem, e.g. blow-by, overfilled oil, poor breather baffling or a PCV valve that does not close under load
Vehicle Fitment
- Mitsubishi Lancer Evolution IV
- Mitsubishi Lancer Evolution V
- Mitsubishi Lancer Evolution VI
If you're unsure whether this will fit your vehicle, contact our team of experts via email at hello@iilumolab.com and send through a few photos of the car for us to verify fitment.
Installation
We always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us here.
Note
Upon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and/or installation. Returns/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable/new condition.

