Wacker Neuson 5000159331 Precombustion Chamber Tube

The Wacker Neuson Precombustion Chamber Tube is a genuine OEM component designed for the RT82-SC and RT56-SC vibratory trench rollers and the LTC4L light tower. As a direct factory replacement, this part is sourced to the same specifications as the original, ensuring it seats and seals correctly within the engine's combustion system. Confirmed fitment spans both the RT82-SC and RT56-SC remote-controlled trench roller series as well as LTC4L light tower configurations. Keeping the correct tube in service is essential for consistent engine starting, combustion efficiency, and long-term engine health across all covered models.

Key Features

• Genuine OEM Combustion Integrity — Manufactured to exact Wacker Neuson tolerances, ensuring proper heat dispersion and fuel atomization within the precombustion chamber.
• Direct Drop-In Replacement — Engineered to match the original tube geometry, seating directly into the cylinder head without modification to existing hardware.
• Broad Model Coverage — Fits RT82-SC and RT56-SC vibratory trench rollers and LTC4L light towers, covering both compaction and portable power applications.
• Combustion Performance — A correctly installed tube maintains the fuel-air mixture ignition sequence that diesel engines depend on for smooth, consistent power output at the work site.
• Fuel System Safety — A cracked or worn precombustion chamber tube can cause hard starting, misfires, or uncontrolled combustion pressure; replacing it promptly restores safe engine operation.

The precombustion chamber tube is a critical diesel engine component that sits within the cylinder head and forms the pre-chamber where initial fuel ignition occurs. In indirect-injection diesel engines, fuel is injected into this chamber first, where it ignites and expands before entering the main combustion chamber — a process that produces smoother, more controlled combustion and easier cold starting. When the tube cracks, erodes, or seats improperly, compression is lost, combustion timing is disrupted, and the engine may exhibit hard starting, excessive smoke, or loss of power.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

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