Description
When you’re tearing down that trusty Massey Ferguson engine for a rebuild, there’s one small but critical part that holds it all together – the valve cotter. This tiny split pin might not look like much, but it’s what keeps your valve springs and retainers in place, and without it working properly, your valves won’t seal right. If you’ve got a rattling engine or you’re losing compression, worn or missing valve cotters could be the culprit.
What You’re Getting
- Precision-made split design that locks valve keepers securely in place
- Heat-treated steel construction that won’t fail under engine stress
- Exact OEM specifications for proper valve train operation
- Direct replacement for original equipment – no modifications needed
Built for Real Farm Work
This valve cotter fits your classic Massey Ferguson tractors including the 35, 135, 148, 240, 250, 550, 560, and 65 series models. These workhorses with their reliable Perkins engines have been keeping farms running for decades, whether you’re cultivating fields, baling hay, or running a front-end loader.
Made to Last
Your Perkins engine runs hot and hard, and every component needs to handle that punishment. These valve cotters are made from quality steel that’s been heat-treated to resist fatigue cracking. They’ll maintain their spring tension through thousands of heat cycles, keeping your valves seated properly so your engine keeps making power when you need it most.
Installation Notes
Installing valve cotters requires some engine work – you’ll need to remove the cylinder head and compress the valve springs to access them. Take your time with the valve spring compressor and make sure the cotters seat fully in the groove. Replace them in sets during any valve job since they’re inexpensive insurance against future problems. A magnetic parts tray is your friend here – these little parts like to disappear into the shop floor.






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