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Marshall 604 Engine Parts

Browse the following links to view Tractor Spare Parts Ltd’s range of spares for the Marshall Engine Parts, specially selected to provide lasting performance and to be as close to the original as possible. Whether you’re looking for a complete engine kit, head gasket or cylinder head valves, you can count on us.
Tractors can have replacement engines in them over time, so it is important that we get the engine serial number off the side of the block so we can work out which parts you need - see here).

37H7937 - Fuel filter (long)
37H7937 - Fuel filter (long)
New
£6.85 exc VAT
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37H7946 - Oil pump bush
37H7946 - Oil pump bush
New
£4.13 exc VAT
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37H825  - Cold start spring Made in UK
37H825 - Cold start spring
New
£3.81 exc VAT
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3H2963 - Hose clip 16-22mm Made in UK
3H2963 - Hose clip 16-22mm
New
£1.68 exc VAT
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42H1022 - Sump plug magnetic
42H1022 - Sump plug magnetic
New
£8.75 exc VAT
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7123-340U - Head & Rotor
7123-340U - Head & Rotor
New
£137.50 exc VAT
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78G1395 - Head gasket set Made in UK
78G1395 - Head gasket set
New
£34.95 exc VAT
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80K2786 - Hose heater
80K2786 - Hose heater
New
£7.95 exc VAT
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83H158 - Injector nozzle
83H158 - Injector nozzle
New
£29.95 exc VAT
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Marshall 604 Engine Parts

At Tractor Spare Parts Ltd, we understand time is money so we have a large stock of Marshall 604 Engine parts available for immediate dispatch, getting you the spares to get your tractor in top working condition, worldwide.
Carefully selected to ensure the highest quality, our wide range includes complete engine kits, built to your engine serial number, crankshaft bearings, both main bearings and con-rod bearings, cylinder head components, UK made gaskets and everything else that you could need for your Marshall 604 tractor with a 4/98 engine in it. Thanks to our workshop, we have built up a vast database of engine serial numbers, and which variations of components fit with which serial numbers. With 5 variations of engine kit for the Leyland 4/98 engine, it is always good to check the engine serial number so that we can ensure that you get the right parts first time. Now, occasionally there will be serial numbers that do not match with what we would expect or what you find in the engine already, so in this case we can work with you to ensure that you are getting the pars that you need for your engine rebuild. With years of workshop experience, we can help you get the right parts first time.
Searching for a rare spare part? Making more wholesale changes? Find everything you need right here in our range. From cooling systems, cylinder heads, engine gaskets, fuel systems and more, browse our range or contact us to find the perfect product for you. We have plenty more parts than we have listed on our website, so if you cannot find what you need then let us find the part for you. Pictures are brilliant in cases like this, so send us a picture through our website and we will get in touch with  you to sort out the part.
Marshall 604 and other Marshall Engine Parts at Tractor Spares Ltd
In addition to the Marshall 604 Engine, we stock spare parts for all Leyland Engines fitted to the Leyland tractor and Marshall Harvest Gold range of tractors.
Simply purchase the spare part you need directly using our online store. Any questions regarding our products or services? Please, get in touch. Thanks to our years of experience and passion for restoring tractors, we guarantee the ultimate customer experience (Feefo platinum award, 2021 & 2022).
If you need a part but you’re having trouble figuring out what it is, try our ‘identify a tractor part’ section or send us an image and we will be more than happy to help!

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