Toyota LandCruiser 75 Series HZJ75 4.2L 1HZ Diesel (3/1990–9/1999) Muffler & Tailpipe Assembly BM4339 / M5011

The BM4339 / M5011 muffler and tailpipe assembly is a high-quality factory replacement exhaust system engineered to suit Toyota LandCruiser HZJ75 4.2L 1HZ diesel models from March 1990 to September 1999. Designed for Troop Carrier, Ute and Cab Chassis variants, this system offers dependable fitment and durability for both on-road and off-road use.

Built to match the original factory layout, this assembly provides balanced exhaust flow, effective noise reduction and long-term reliability. It is ideal for replacing worn or rusted components, helping restore the vehicle’s exhaust system to proper working condition without modification.

Key Features

• Part Number: BM4339 / M5011
• System Type: Muffler & tailpipe assembly
• Vehicle: Toyota LandCruiser 75 Series HZJ75
• Engine: 4.2L 1HZ Diesel
• Date Range: 3/1990 to 9/1999
• Body Types: Troop Carrier / Ute / Cab Chassis
• Fitment: Direct fit – no cutting or welding required
• Manufacture: Australian Made
• Performance: Restores factory exhaust flow and back-pressure balance

What’s Included

• 1 x SKU: BM4339 / M5011 Muffler & Tailpipe Assembly

Recommended With

• TYG115 – Exhaust gasket
• TYB202 – Mounting rubbers
• 9AB – Exhaust sealant
• PH12700-PHB75 – Pacemaker headers (optional upgrade)

Installation Notes

• Direct bolt-on replacement for listed vehicles.
• Lubricate mounting rubbers and fasteners with WD40 or similar prior to installation.
• Check gasket condition and alignment before final tightening.
• Large item: Contact us to confirm freight costs before ordering.

Why Replace the Muffler & Tailpipe Assembly?

Over time, factory exhaust systems can deteriorate due to heat cycles, moisture and road conditions. Replacing the muffler and tailpipe assembly helps eliminate exhaust leaks, excessive noise and flow restrictions, restoring smooth engine operation and maintaining proper exhaust system performance.

Frequently Asked Questions

Will this fit all 75 Series LandCruiser models?
No. This system suits HZJ75 4.2L 1HZ diesel models (3/1990–9/1999) only.

Is this a bolt-on system?
Yes. It is designed as a direct-fit replacement with no cutting or welding required.

Does this improve performance?
This system is designed to restore factory performance rather than increase it.

Are gaskets and rubbers included?
No. These are available separately and recommended during installation.

Customer Support

For phone orders, advice, or part enquiries – contact us:

📞 Call Now: +61 2 9547 3511 ✉️ Email Us

87A Planthurst Road, Carlton NSW 2218, Australia
Exhaust Systems Since 1983

Workshop hours: Mon–Fri 8:00am–5:00pm (By Appointment Only) | Phone and email enquiries welcome 24 hours