The Scheppach MS139-42 petrol lawn mower is designed for regular maintenance of gardens and lawns. With its 42 cm cutting width, it offers an excellent balance between manoeuvrability and mowing efficiency. Like any petrol lawn mower, it requires regular maintenance and the replacement of certain wear parts to maintain good cutting performance and reliable operation season after season.

In this category, you will find a selection of replacement parts for the Scheppach MS139-42 lawn mower, as well as components compatible with certain versions such as the MS139-42S. These parts allow you to service, repair and restore your lawn mower without having to replace the entire machine.

A wide range of replacement parts for the Scheppach MS139-42

Many lawn mower components are subject to wear, vibration, impacts and natural ageing. Some parts may therefore need to be replaced after several seasons of use.

Our range of parts for the Scheppach MS139-42 includes:

• Lawn mower blades.

• Blade holders.

• Blade bolts, washers and fixing hardware.

• Front and rear wheels.

• Drive belts.

• Transmission gearboxes.

• Drive cables.

• Bowden cables.

• Control and brake levers.

• Air filters.

• Air filter housings.

• Spark plugs.

• Ignition coils.

• Carburettors.

• Primer bulbs.

• Recoil starters.

• Fuel hoses.

• Grass collectors and related components.

• Handles and handlebar components.

• Springs, nuts, clips and fixing hardware.

• Other mechanical components for Scheppach lawn mowers.

This wide selection makes it possible to repair the cutting system, engine, transmission, controls and various structural components of your lawn mower.

Blade and blade holder for Scheppach MS139-42

The blade is one of the most heavily used components on a lawn mower. Over time, it can become blunt, bent or damaged after hitting stones, branches or other obstacles.

A blade in poor condition can result in an uneven cut, tear the grass instead of cutting it cleanly and cause abnormal vibrations.

The blade holder should also be inspected after a significant impact. This component connects the engine shaft to the blade and plays an important role in the correct operation of the cutting system.

When replacing a blade or blade holder, it is important to check the exact reference required for your version of the Scheppach MS139-42.

Parts for the transmission and self-propelled drive system

On versions equipped with a self-propelled system, several components transfer power to the drive wheels.

Depending on your lawn mower version, it may be necessary to replace:

• The drive belt.

• The drive cable.

• The drive control lever.

• The transmission gearbox.

• The wheels or their components.

• Related control components.

If the lawn mower engine operates normally but the machine no longer moves forward correctly, one of these components may be worn or damaged.

Before replacing a part, it is advisable to inspect the complete drive mechanism to identify the exact cause of the problem.

Engine parts for Scheppach MS139-42

The petrol engine also requires regular maintenance. Certain components should be cleaned, checked or replaced periodically to ensure easy starting and smooth engine operation.

You may find parts such as:

• Air filters.

• Spark plugs.

• Ignition coils.

• Carburettors.

• Primer bulbs.

• Recoil starters.

• Fuel hoses.

• Fuel system components.

A clogged air filter can restrict airflow to the engine, while a worn spark plug can make starting more difficult. A dirty or faulty carburettor can also cause irregular engine operation, starting problems or loss of power.

Why regularly maintain your lawn mower?

Regular maintenance helps preserve the performance of your Scheppach MS139-42 and prevents a small worn component from causing damage to other parts.

We recommend:

• Cleaning the cutting deck after use.

• Regularly checking the condition of the blade.

• Checking that all fasteners are correctly tightened.

• Inspecting the air filter.

• Checking the condition of the spark plug.

• Inspecting the wheels and transmission.

• Checking the control and drive cables.

• Replacing heavily worn components without delay.

Preventive maintenance helps maintain consistent cutting performance and extends the service life of your lawn mower.

Pay attention to the different Scheppach MS139-42 versions

The same lawn mower model may have been manufactured over several years, and some components may have changed during production.

Part compatibility can therefore depend on:

• The exact machine model.

• Month of manufacture.

• Year of manufacture.

• Serial number.

• Lawn mower version.

• Part number shown on the exploded parts diagram.

Two lawn mowers carrying the MS139-42 designation may therefore use different part numbers for certain components.

How do you identify the correct replacement part?

Before ordering a part for your Scheppach MS139-42 lawn mower, we recommend checking the machine identification plate and the part number shown on the exploded parts diagram.

This is particularly important for blades, blade holders, wheels, drive belts, carburettors, filters, cables and transmission components, which may vary depending on the production series.

Each product page provides the available compatibility information to help you select the correct part for your machine.

Repair your Scheppach MS139-42 instead of replacing it

Replacing a worn or faulty component can significantly extend the service life of your lawn mower.

Replacing a blade, blade holder, cable, wheel, filter, spark plug, carburettor or transmission component can restore your Scheppach MS139-42 to proper working condition and avoid the premature replacement of the complete machine.

Browse our selection of replacement parts for Scheppach MS139-42 and MS139-42S lawn mowers and identify the correct part according to your machine model, manufacturing date and serial number.