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Perkins 4.108M Engine Parts

The Perkins 4.108M engine is renowned for robust simple construction and reliability. These four-cylinder diesel engines have been powering a wide range of marine vessels, for decades. They were manufactured by Perkins for 30 years until the late 1980's.  Their durability makes them a trusted choice. 

Keep your Perkins 4.108M engine operating at peak performance with our comprehensive range of genuine and aftermarket parts. From essential maintenance items to specialised components, we have everything you need to ensure your engine continues to deliver reliable power.

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Perkins Raw Water Pump Screws

Original price £4.00 - Original price £4.00
Original price
£4.00
£4.00 - £4.00
Current price £4.00
in stock

A set of 6 raw water pump impeller end cover plate screws. High quality brass screws, manufactured for Parts4engines. Well worth keeping a spare se...

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Original price £4.00 - Original price £4.00
Original price
£4.00
£4.00 - £4.00
Current price £4.00

Perkins 4.108 Temperature Sender Adapter

Original price £4.99 - Original price £4.99
Original price
£4.99
£4.99 - £4.99
Current price £4.99
in stock

Aftermarket Perkins 4.108 Temperature sender adapter; thread size 1/2" to 3/8"NPT UK, European and Worldwide shipping available

Original price £4.99 - Original price £4.99
Original price
£4.99
£4.99 - £4.99
Current price £4.99

Nautilus Marine 51mm Wet Exhaust Hose - Lloyds Approved

Original price £35.00 - Original price £210.00
Original price
£35.00 - £210.00
£35.00 - £210.00
Current price £35.00
in stock

Lloyds Approved Nautilus Marine Exhaust Hose. This is a strong but flexible rubber hose manufactured from synthetic textile fabrics and reinforced...

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Original price £35.00 - Original price £210.00
Original price
£35.00 - £210.00
£35.00 - £210.00
Current price £35.00

Perkins 4.108 Bowman Exhaust Outlet Kit

Original price £78.00 - Original price £98.00
Original price
£78.00 - £98.00
£78.00 - £98.00
Current price £78.00
in stock

A Perkins 4.108 Exhaust Outlet elbow, this is a robust 'budget' aftermarket alternative, available in two versions, straight and 45 degree. Details...

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Original price £78.00 - Original price £98.00
Original price
£78.00 - £98.00
£78.00 - £98.00
Current price £78.00

Perkins 4.108 Water Inlet Connector

Original price £12.00 - Original price £12.00
Original price
£12.00
£12.00 - £12.00
Current price £12.00
in stock

High quality aftermarket Perkins 4.108 coolant inlet connector. This is the short tube that is pressed into the block just below the alternator pos...

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Original price £12.00 - Original price £12.00
Original price
£12.00
£12.00 - £12.00
Current price £12.00

Perkins 4.108 Jabsco Raw Water Pump Mounting Kit

Original price £82.99 - Original price £82.99
Original price
£82.99
£82.99 - £82.99
Current price £82.99
in stock

Quality aftermarket Perkins 4.108 raw water pump connecting kit enables you to attach or replace the standard Jabsco raw water pump fitted to these...

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Original price £82.99 - Original price £82.99
Original price
£82.99
£82.99 - £82.99
Current price £82.99

Perkins 4.108 Early Coolant Hose Set (For Front Mounted Exchanger)

Original price £25.00 - Original price £40.00
Original price
£25.00 - £40.00
£25.00 - £40.00
Current price £25.00
Out of stock

Quality aftermarket Perkins 4.108M (Marine version to fit front mounted heat exchanger) coolant hose replacement kit, contains 5 hoses with stainl...

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Original price £25.00 - Original price £40.00
Original price
£25.00 - £40.00
£25.00 - £40.00
Current price £25.00
Sold out

Perkins 4.108 Thermostat Housing Kit

Original price £73.99 - Original price £73.99
Original price
£73.99
£73.99 - £73.99
Current price £73.99
in stock

A quality aftermarket aluminium thermostat housing to fit Perkins 4.108 marine engines. Kit includes: Thermostat housing Housing gasket Free 5ml H...

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Original price £73.99 - Original price £73.99
Original price
£73.99
£73.99 - £73.99
Current price £73.99

Perkins 4.108 Raw Water Pump Mounting Plate Gasket Kit

Original price £7.99 - Original price £7.99
Original price
£7.99
£7.99 - £7.99
Current price £7.99
in stock

High quality aftermarket Perkins 4.108 raw water pump mounting gaskets, to fit a 'Jabsco' raw water Pump Kit contains: x1 Pump to mounting plate g...

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Original price £7.99 - Original price £7.99
Original price
£7.99
£7.99 - £7.99
Current price £7.99

Perkins 4.108 Bowman Heat Exchanger Filler Neck Assembly

Original price £28.00 - Original price £28.00
Original price
£28.00
£28.00 - £28.00
Current price £28.00
Only 3 left!

A genuine Bowman Filler neck assembly for a Bowman type heat exchanger as fitted on later versions of the Perkins 4.108 engine. Thread size 1 1/4 ...

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Original price £28.00 - Original price £28.00
Original price
£28.00
£28.00 - £28.00
Current price £28.00

Perkins 4.108 Oil Pressure Switch

Original price £9.99 - Original price £9.99
Original price
£9.99
£9.99 - £9.99
Current price £9.99
in stock

Standard single spade aftermarket oil pressure switch for Perkins 4.108 engines. Tapered screw thread Single spade type electrical connection ...

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Original price £9.99 - Original price £9.99
Original price
£9.99
£9.99 - £9.99
Current price £9.99

Perkins 4.108 Ignition Switch

Original price £13.00 - Original price £13.00
Original price
£13.00
£13.00 - £13.00
Current price £13.00
in stock

Aftermarket starter/ignition switch for Perkins 4.108 engines, including marine versions. We offer two switch options, which have either 4 pin or 6...

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Original price £13.00 - Original price £13.00
Original price
£13.00
£13.00 - £13.00
Current price £13.00

MPM Propeller Shaft Grease

Original price £7.00 - Original price £15.00
Original price
£7.00 - £15.00
£7.00 - £15.00
Current price £7.00
in stock

MPM propeller shaft grease is specially developed for marine applications. The grease has a very high resistance to water washout and is therefore ...

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Original price £7.00 - Original price £15.00
Original price
£7.00 - £15.00
£7.00 - £15.00
Current price £7.00

Perkins 4.108 Water Temperature Sender

Original price £8.80 - Original price £8.80
Original price
£8.80
£8.80 - £8.80
Current price £8.80
in stock

Good quality aftermarket water temperature sender that fits the majority of early Perkins 4.107 engines. Details: Spade type electrical connection...

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Original price £8.80 - Original price £8.80
Original price
£8.80
£8.80 - £8.80
Current price £8.80

Water Temperature Gauge with Sender

Original price £28.00 - Original price £34.00
Original price
£28.00 - £34.00
£28.00 - £34.00
Current price £28.00
in stock

Universal 12V to 24V waterproof Temperature gauge with sender. This high quality product has been manufactured solely for Parts4engines and is desi...

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Original price £28.00 - Original price £34.00
Original price
£28.00 - £34.00
£28.00 - £34.00
Current price £28.00

Perkins Digital Tachometer & Hour Meter Gauge

Original price £70.00 - Original price £70.00
Original price
£70.00
£70.00 - £70.00
Current price £70.00
in stock

This high quality waterproof tachometer and hour meter has been manufactured solely for Parts4engines and is designed to operate in the harsh marin...

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Original price £70.00 - Original price £70.00
Original price
£70.00
£70.00 - £70.00
Current price £70.00

Lucas 12V Heavy Duty Relay

Original price £39.50 - Original price £39.50
Original price
£39.50
£39.50 - £39.50
Current price £39.50
Only 4 left!

A Lucas heavy duty relay with detachable mounting bracket. These high quality waterproof relays were extensively used on Perkins marine wiring loom...

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Original price £39.50 - Original price £39.50
Original price
£39.50
£39.50 - £39.50
Current price £39.50

Perkins 4.108 High Water Temperature Alarm

Original price £25.99 - Original price £25.99
Original price
£25.99
£25.99 - £25.99
Current price £25.99
in stock

A quality aftermarket bulkhead mounted warning alarm for Perkins 4.108, supplied with a high temperature switch. Ideal for marine use, as it gives ...

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Original price £25.99 - Original price £25.99
Original price
£25.99
£25.99 - £25.99
Current price £25.99

Heavy Duty Propeller Shaft Zinc Anode

Original price £22.00 - Original price £22.00
Original price
£22.00
£22.00 - £22.00
Current price £22.00
Only 5 left!

A quality aftermarket heavy duty zinc shaft anode. Manufactured to US military specification by Tecnoseal in Italy, one of the worlds leading suppl...

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Original price £22.00 - Original price £22.00
Original price
£22.00
£22.00 - £22.00
Current price £22.00

Perkins Engine Paint

Original price £15.50 - Original price £16.50
Original price
£15.50 - £16.50
£15.50 - £16.50
Current price £15.50
in stock

A range of quality aftermarket enamel engine paints which are an accurate match for the original Perkins paints and are manufactured in the UK sole...

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Original price £15.50 - Original price £16.50
Original price
£15.50 - £16.50
£15.50 - £16.50
Current price £15.50

Liqui Moly Battery Clamp Grease 50g

Original price £3.20 - Original price £3.20
Original price
£3.20
£3.20 - £3.20
Current price £3.20
Only 3 left!

Liqui Molly Battery Clamp Grease. A Specially formulated grease that protects battery terminals and electrical contacts from corrosion and oxidatio...

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Original price £3.20 - Original price £3.20
Original price
£3.20
£3.20 - £3.20
Current price £3.20

Engine Paint Primer (Aerosol)

Original price £15.50 - Original price £15.50
Original price
£15.50
£15.50 - £15.50
Current price £15.50
in stock

Engine enamel paint primer manufactured as a match for our top coat colours. Mid Grey This is a high quality, '2 hour' drying time one-part Syn...

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Original price £15.50 - Original price £15.50
Original price
£15.50
£15.50 - £15.50
Current price £15.50

Perkins 4.108 Lowline Heat Exchanger Anode

Original price £5.00 - Original price £5.00
Original price
£5.00
£5.00 - £5.00
Current price £5.00
in stock

A pair of (pencil style) Perkins 4.108 Lowline heat exchanger Anodes. This Anode is located inside a blanking plug (see photo). Quality product fr...

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Original price £5.00 - Original price £5.00
Original price
£5.00
£5.00 - £5.00
Current price £5.00

Perkins 4.108 Glowplug

Original price £20.99 - Original price £20.99
Original price
£20.99
£20.99 - £20.99
Current price £20.99
in stock

A quality aftermarket glowplug for Perkins 4.108 engines. Fits late type cylinder heads, where the glowplug is directly screwed into the cylinder ...

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Original price £20.99 - Original price £20.99
Original price
£20.99
£20.99 - £20.99
Current price £20.99

Perkins 4.108 Glowplug Adapter

Original price £13.99 - Original price £13.99
Original price
£13.99
£13.99 - £13.99
Current price £13.99
in stock

Quality aftermarket adapter sleeve for the glowplug on marine versions of the Perkins 4.108. These heat resistant plastic adapters are designed to ...

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Original price £13.99 - Original price £13.99
Original price
£13.99
£13.99 - £13.99
Current price £13.99

Perkins 4.108 Glowplug Thermostart

Original price £11.00 - Original price £11.00
Original price
£11.00
£11.00 - £11.00
Current price £11.00
in stock

Quality aftermarket Perkins 4.108 12v heater plug (thermostart). It can be supplied with either the 'spade' or alternative 'screw' type electrical ...

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Original price £11.00 - Original price £11.00
Original price
£11.00
£11.00 - £11.00
Current price £11.00

Perkins 4.108 Low Oil Pressure Alarm

Original price £9.00 - Original price £17.00
Original price
£9.00 - £17.00
£9.00 - £17.00
Current price £9.00
in stock

Aftermarket Low oil pressure alarm for Perkins 4.108 is a quality bulkhead mounted warning alarm, to be used in conjunction with an oil pressure sw...

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Original price £9.00 - Original price £17.00
Original price
£9.00 - £17.00
£9.00 - £17.00
Current price £9.00

Perkins 4.108 Alternator 12V, 65+ Amp

Original price £95.00 - Original price £110.00
Original price
£95.00 - £110.00
£95.00 - £110.00
Current price £95.00
in stock

Quality aftermarket 12 volt 65+ amp, 'high output' alternators fit all versions (including marine) of Perkins 4.108 engines set up for a 'three lug...

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Original price £95.00 - Original price £110.00
Original price
£95.00 - £110.00
£95.00 - £110.00
Current price £95.00

Perkins 4.108 Bowman Oil Cooler End Cover Set

Original price £24.00 - Original price £24.00
Original price
£24.00
£24.00 - £24.00
Current price £24.00
in stock

Genuine Bowman 3366 oil cooler end cover for Perkins 4.108Dimensions are: Internal hole size 52 mm and 28 mm length 55 mm UK, European and Worldw...

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Original price £24.00 - Original price £24.00
Original price
£24.00
£24.00 - £24.00
Current price £24.00

Liqui Moly Anti-Bacteria 'Diesel Bug' Additive 1L

Original price £28.00 - Original price £28.00
Original price
£28.00
£28.00 - £28.00
Current price £28.00
Out of stock

Liqui Molly Anti-bacterial Diesel additive is a highly effective biocide designed to protect against bacteria, yeast and mold. Ideally suited for p...

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Original price £28.00 - Original price £28.00
Original price
£28.00
£28.00 - £28.00
Current price £28.00
Sold out

12V Heavy Duty Relay (100 Amp)

Original price £16.00 - Original price £16.00
Original price
£16.00
£16.00 - £16.00
Current price £16.00
Only 4 left!

High performance electrical relay with mounting bracket suitable for high current switching. Details: 12v 100 amp Dimensions 4.5cm x 4.5cm x 7cm C...

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Original price £16.00 - Original price £16.00
Original price
£16.00
£16.00 - £16.00
Current price £16.00

JB Marine Weld

Original price £9.80 - Original price £9.80
Original price
£9.80
£9.80 - £9.80
Current price £9.80
Only 2 left!

JB Marine Weld is a specially formulated two-part steel reinforced epoxy cold weld system that provides for strong, lasting repairs for bonding dif...

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Original price £9.80 - Original price £9.80
Original price
£9.80
£9.80 - £9.80
Current price £9.80

MPM Antifreeze Concentrate 5L

Original price £20.00 - Original price £20.00
Original price
£20.00
£20.00 - £20.00
Current price £20.00
Only 5 left!

Standard ethylene glycol concentrate (antifreeze) from MPM, can be used throughout the whole year in the cooling systems of petrol and diesel engin...

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Original price £20.00 - Original price £20.00
Original price
£20.00
£20.00 - £20.00
Current price £20.00

Antifreeze & Coolant 2L

Original price £9.50 - Original price £9.50
Original price
£9.50
£9.50 - £9.50
Current price £9.50
Only 3 left!

A Mono Ethylene Glycol (MEG) based engine coolant and anti-freeze concentrate from Comma. Gives up to 2 years protection against freezing and overh...

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Original price £9.50 - Original price £9.50
Original price
£9.50
£9.50 - £9.50
Current price £9.50

70 Amp Alternator (Insulated Earth)

Original price £175.99 - Original price £175.99
Original price
£175.99
£175.99 - £175.99
Current price £175.99
Only 3 left!

Quality aftermarket 14 Volt 70 Amp Insulated return alternator 'three lug' mounted alternator. The adjuster arm securing bolt is at a 120 degree an...

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Original price £175.99 - Original price £175.99
Original price
£175.99
£175.99 - £175.99
Current price £175.99

Perkins 4.108M Exhaust Outlet Elbow

Original price £144.00 - Original price £334.00
Original price
£144.00 - £334.00
£144.00 - £334.00
Current price £144.00
Only 1 left!

Genuine Perkins 4.108M replacement Exhaust outlet elbow. We offer two options with different positions for the water pipe connection, top or side. ...

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Original price £144.00 - Original price £334.00
Original price
£144.00 - £334.00
£144.00 - £334.00
Current price £144.00

Perkins 4.108 Alternator High Output Isolated Earth 90A

Original price £160.00 - Original price £160.00
Original price
£160.00
£160.00 - £160.00
Current price £160.00
Only 3 left!

High quality aftermarket 12 volt 90 amp high output alternators fit all versions Perkins 4.108 (including marine) of these engines set up for a 'th...

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Original price £160.00 - Original price £160.00
Original price
£160.00
£160.00 - £160.00
Current price £160.00

Perkins 4.108 Lowline Alternator

Original price £115.99 - Original price £115.99
Original price
£115.99
£115.99 - £115.99
Current price £115.99
Only 3 left!

High quality aftermarket This 12 volt Perkins alternator fits the Perkins 4.108 'lowline' marine engine. The adjuster arm securing bolt is at a 180...

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Original price £115.99 - Original price £115.99
Original price
£115.99
£115.99 - £115.99
Current price £115.99

Alternator 'Euro Connector' Plug Kit

Original price £3.99 - Original price £3.99
Original price
£3.99
£3.99 - £3.99
Current price £3.99
Out of stock

Aftermarket alternator wiring connector kit, commonly known as a 'euro connector'. Fits many standard 3 pin alternators. UK, European and Worldwide...

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Original price £3.99 - Original price £3.99
Original price
£3.99
£3.99 - £3.99
Current price £3.99
Sold out

Engine Paint Primer (Tin)

Original price £16.50 - Original price £16.50
Original price
£16.50
£16.50 - £16.50
Current price £16.50
in stock

Engine enamel paint primer manufactured as a match for our top coat colours. Mid Grey This is a high quality, '2 hour' drying time one-part Synth...

View full details
Original price £16.50 - Original price £16.50
Original price
£16.50
£16.50 - £16.50
Current price £16.50

JB Marine Weld Syringe

Original price £9.80 - Original price £9.80
Original price
£9.80
£9.80 - £9.80
Current price £9.80
Only 3 left!

JB MarineWeld is a specially formulated two part Cold-Weld adhesive system that provides strong, lasting repairs for bonding different or similar s...

View full details
Original price £9.80 - Original price £9.80
Original price
£9.80
£9.80 - £9.80
Current price £9.80

Liqui Moly Engine Assembly Paste 50g

Original price £7.80 - Original price £7.80
Original price
£7.80
£7.80 - £7.80
Current price £7.80
in stock

Liqui Molly installation paste. A high-performance tungsten disulfide paste for heavy-duty applications. Adheres even to apparently smooth surfaces...

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Original price £7.80 - Original price £7.80
Original price
£7.80
£7.80 - £7.80
Current price £7.80

Liqui Moly Marine Grease 250g

Original price £8.00 - Original price £8.00
Original price
£8.00
£8.00 - £8.00
Current price £8.00
Only 1 left!

Liqui Molly Marine Grease, is a long-lasting heavy-duty grease that reduces friction and wear. It has excellent aging and shear stability. Liqui M...

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Original price £8.00 - Original price £8.00
Original price
£8.00
£8.00 - £8.00
Current price £8.00

Liqui Moly Marine Multi-Spray 400ml

Original price £8.00 - Original price £8.00
Original price
£8.00
£8.00 - £8.00
Current price £8.00
Only 5 left!

Liqui Molly Marine Multi-spray aerosol, specifically designed for marine purposes to protect and preserve. Keeps moving parts moving and protects a...

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Original price £8.00 - Original price £8.00
Original price
£8.00
£8.00 - £8.00
Current price £8.00

Liqui Moly Marine ATF Oil 1L

Original price £12.00 - Original price £12.00
Original price
£12.00
£12.00 - £12.00
Current price £12.00
Only 4 left!

Liqui Molly Marine ATF oil is specially developed for the marine sector and is based on synthetic technology and the latest additive technology. It...

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Original price £12.00 - Original price £12.00
Original price
£12.00
£12.00 - £12.00
Current price £12.00

Perkins 4.108, 12V 150A Insulated Earth Starter Solenoid

Original price £27.99 - Original price £27.99
Original price
£27.99
£27.99 - £27.99
Current price £27.99
in stock

Quality aftermarket 12 Volt, 150 Amp starter solenoid. This solenoid is for use with an Inertia type of starter motor. It requires a direct earth c...

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Original price £27.99 - Original price £27.99
Original price
£27.99
£27.99 - £27.99
Current price £27.99

Liqui Moly Diesel Purge 1L

Original price £13.00 - Original price £13.00
Original price
£13.00
£13.00 - £13.00
Current price £13.00
in stock

Liqui Molly Diesel Purge additive is designed to remove deposits on injection nozzles and combustion chambers as well as boosting the cetane number...

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Original price £13.00 - Original price £13.00
Original price
£13.00
£13.00 - £13.00
Current price £13.00

Enfield / Sonic Flexible Shaft Coupling

Original price £85.00 - Original price £85.00
Original price
£85.00
£85.00 - £85.00
Current price £85.00
Only 2 left!

A quality flexible drive shaft coupling for connecting the gearbox output flange to the propeller drive flange. Manufactured by R & D Marine th...

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Original price £85.00 - Original price £85.00
Original price
£85.00
£85.00 - £85.00
Current price £85.00

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