Our Services

A Mechanic Uses a Calliper to Measure a Metal Part at a Workbench — JNL Crankshaft Services in Palmerston City, NT

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Complete Engine Solutions

At JNL Crankshaft Services in Darwin, we handle everything your engine needs, all under one roof. From full engine reconditioning and cylinder head repairs to specialised cleaning, testing and parts supply, we make the process simple and efficient. Our workshop is set up with advanced equipment, allowing us to work across everyday vehicles, heavy machinery and performance engines with precision.


We also carry a large range of serviced auto parts in stock, helping reduce downtime and keep jobs moving. For more specialised work, we offer acid bath cleaning, pressure and hardness testing and even saw blade sharpening using rare equipment.


Whether you’re a tradie, operator or everyday driver, we focus on fast turnaround and reliable results. Call JNL Crankshaft Services on (08) 8931 1990 to get started.

Our Services

Engine Reconditioning

Restore performance and reliability with complete engine reconditioning, including detailed inspection, precision machining, parts replacement and careful reassembly to extend engine life and improve overall efficiency.

Specialised Cleaning

Remove stubborn carbon, oil and contaminants with specialised acid bath cleaning, restoring components to a clean condition and allowing for more accurate inspection, repair and improved performance outcomes.

Cylinder Head Reconditioning

Improve engine performance with cylinder head reconditioning, including resurfacing, valve work and repairs to restore compression, reduce wear and ensure smooth, efficient engine operation over time.

Auto Parts / Serviced Auto Parts

Access a wide range of quality auto parts and serviced components ready for installation, helping minimise downtime and keep your repairs moving with reliable, readily available solutions.

Engine Pressure Testing

Detect leaks and structural issues with accurate engine pressure testing, ensuring components can handle operating conditions and helping prevent costly failures or unexpected breakdowns down the track.

Hardness Testing

Verify the strength and durability of engine components with precise hardness testing, ensuring materials meet required standards and are suitable for reuse in high-performance or demanding applications.

Saw Blade Sharpening

Maintain cutting accuracy with specialised saw blade sharpening, restoring edge precision, improving efficiency and extending the lifespan of blades used across automotive, trade and industrial applications.

Get Your Engine Sorted Today