• Isuzu D-MAX – 4JJ3TCX 3.0L 4-Cylinder Turbo Diesel | 2020+
• Isuzu MU-X – 4JJ3TCX 3.0L 4-Cylinder Turbo Diesel | 2020+
• Mazda BT-50 – 4JJ3TCX 3.0L 4-Cylinder Turbo Diesel | 2020+

✅ Tailor-made for perfect fit – no cutting, no guesswork

How It Works: Installed between the fuel tank and factory filter, the Fuel Manager blocks water and particulates before they reach your injectors—providing industry-trusted water/fuel separation that protects your 4JJ3's advanced common rail system.

Key Features:

• 95% water separation — keeps injectors safe from contamination
• Superior particle filtration before OEM filter
• Clear drain bowl — easily spot and drain water build-up
• No bypass system — never sends dirty fuel to engine
• Prevents injector and fuel pump wear
• Protects against corrosion and abrasive damage
• Water-in-fuel alarm compatible (sold separately)

💡 Why This Matters: Water contamination is one of the leading causes of expensive injector failures in modern common rail systems like the 4JJ3. With repair costs that can exceed $10,000, the Fuel Manager is essential protection for touring, towing, and daily driving.

How It Works: Proven oil vapour separation and pressure control—the ProVent captures oil vapours before they reach your intake, preventing sludge build-up in your EGR, intercooler, and intake manifold.

Key Features:

• 98% oil separation efficiency
• Prevents oil and soot entering clean air intake
• Protects turbocharger, EGR, and intake system
• Keeps intercooler and intake manifold clean
• Reduces carbon build-up — prevents gradual power loss
• Regulates crankcase pressure
• Improves combustion and efficiency
• Cleaner fuel and air = more power and better economy
• Extends engine life

💡 Why This Matters: Oil vapour causes carbon deposits that coat sensors, restrict airflow, and foul your turbo. The ProVent keeps your 4JJ3's intake system cleaner, avoiding costly intake cleaning, turbo fouling, and performance loss over time.

Fuel Manager Pre-Filter:

• Water Separation: 95% efficiency
• Filter Type: Replaceable element with clear bowl
• Clear bowl design for visual inspection
• No bypass valve — full filtration always active
• Designed for 4JJ3 fuel system specifications

ProVent Ultimate Catch Can:

• Oil Separation: 98% efficiency
• Filter: MANN+HUMMEL media
• Drain tap for oil collection
• Optional return line to sump
• Engineered specifically for 4JJ3 crankcase system
• Built to handle tough Aussie conditions

Fuel Manager Pre-Filter Kit:

• Fuel Manager filter assembly with clear bowl
• 4JJ3-specific vehicle mounting bracket (no cutting required)
• Complete fuel line and fitting kit
• High-quality fittings made to last
• Hose clamps and connectors
• Drain plugs
• Engine bay and windscreen warning labels
• Installation guide

ProVent Ultimate Catch Can Kit:

• MANN+HUMMEL ProVent catch can
• 4JJ3-specific vehicle mounting bracket (direct-fit installation)
• Complete hose and fitting kit
• Drain tap assembly with hose
• Optional sump return line components
• Mounting hardware (bolts, washers, nuts)
• Spring clamps and cable ties
• Installation guide

✅ Vehicle-specific brackets and hoses — built for direct-fit installation with no cutting or guesswork

Recommended: Competent qualified mechanic

Combined DIY Time: 4–5 hours (both systems)

Fuel Manager Installation:

• Mounts in engine bay between fuel tank and OEM filter
• Uses 4JJ3-specific mounting bracket for perfect fitment
• No cutting or modification required
• Fuel line connections with supplied fittings
• Clear bowl positioned for easy drainage access

ProVent Installation:

• Mounts in engine bay
• Connects to crankcase ventilation system
• Direct-fit installation with vehicle-specific brackets
• Drain tap routed for easy access
• Optional return line to sump can be configured
• All hoses and fittings included

Important: This kit is tailor-made for the 4JJ3 platform with no cutting required. Both systems can be installed separately or together. Detailed installation guides included.

Fuel Manager Pre-Filter:

• Check clear bowl regularly for water accumulation
• Drain water bowl as needed (simple drain plug)
• Replace filter element per vehicle service schedule
• Optional water alarm (FMALARM) provides automatic warning
• Takes just minutes to check and drain

ProVent Catch Can:

• Check oil level every 5,000–10,000 km
• Drain collected oil via drain tap when needed
• If using sump return line, oil automatically recirculates
• Replace filter element every 40,000 km (replacement elements available)

💡 Pro Tip: Regular maintenance is quick and easy. The transparent Fuel Manager bowl lets you see water at a glance, and the ProVent drain tap makes oil removal effortless. Perfect for touring, towing, and daily driving under harsh Aussie conditions.

Q: Will this void my Isuzu or Mazda warranty?

A: No. Aftermarket protection devices don't void warranty under Australian Consumer Law. These systems protect your engine without interfering with factory components.

Q: Will this kit fit all 4JJ3 models?

A: Yes — this kit is designed for Isuzu D-MAX 4JJ3TCX, MU-X 4JJ3TCX, and Mazda BT-50 4JJ3TCX from 2020 onwards. The brackets and fittings are vehicle-specific for perfect fitment.

Q: Does the kit require cutting or custom work?

A: No — the kit is tailor-made for a perfect fit with no cutting or guesswork required. All brackets are vehicle-specific and use factory mounting points where possible.

Q: What protection does the dual kit provide?

A: The Fuel Manager pre-filter blocks water and particulates, while the ProVent catch can captures oil vapours — preventing sludge, injector wear, turbo fouling, and costly damage. Together they provide comprehensive engine protection.

Q: How often do I need to drain the Fuel Manager?

A: It depends on your fuel quality. The clear bowl lets you visually inspect for water. Check regularly, especially when touring or fueling at remote stations. The optional water alarm (FMALARM) can alert you automatically.

Q: Can I install these systems myself?

A: If you're mechanically competent and comfortable working with fuel lines, yes. Most DIYers complete installation in 4-5 hours. Otherwise, any qualified mechanic can handle it. Detailed installation guides are included.

Q: Do I need both systems or can I buy them separately?

A: You can buy either system separately, but the combo kit offers better value and comprehensive protection. The Fuel Manager protects your fuel system, while the ProVent protects your intake system—together they deliver complete engine protection.

Q: Does the ProVent return oil to the sump automatically?

A: The kit includes components for an optional sump return line. You can configure it to either: (a) collect oil in the catch can for periodic draining, or (b) return clean oil back to the sump automatically. Your choice based on preference.

Q: Is this suitable for towing and touring?

A: Absolutely. This kit is designed for tough Aussie conditions including towing, touring, and daily driving. The 4JJ3 platform benefits greatly from this dual protection system, especially under heavy loads or in remote areas with variable fuel quality.

Q: Will this improve my fuel economy?

A: While not primarily designed for fuel economy, both systems help maintain optimal engine performance. Cleaner fuel and air means more efficient combustion, which can contribute to better economy over the long term.

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• Buy Now, Pay Later: Afterpay • Zip • Humm • Klarna
• ✓ Free Express Shipping Australia-Wide
• ✓ Fast, trackable delivery
• ✓ Generally shipped same or next business day if in stock