Description
When your David Brown starts burning oil, blowing blue smoke, or losing compression, worn piston rings are usually the culprit. Low compression means hard starting, poor performance, and fuel getting wasted—not something you want when there’s work to be done. This complete ring set gets your engine sealed up tight and running like it should again.
What You’re Getting
- Complete ring set for 100.046mm bore engines—everything needed for a proper rebuild
- Precision-manufactured rings that restore proper compression and oil control
- Quality construction designed to handle the demands of diesel farm work
- Direct replacement for worn rings—fits right into your existing cylinders
Built for Real Farm Work
This ring set fits the heart of David Brown’s most popular tractor lines—the workhorses that powered farms through decades of plowing, cultivating, and harvesting. These 4-cylinder diesel engines were known for their reliability and torque, whether you were pulling implements through tough ground or running a PTO-driven baler all day long.
Made to Last
Piston rings take a beating in diesel engines, especially when they’re working hard in dusty conditions. These rings are built to maintain their seal and spring tension through thousands of hours of operation. The materials resist wear from combustion heat and pressure while keeping oil where it belongs—in the crankcase, not burning in the combustion chamber.
Good to Know
Installing piston rings requires engine disassembly and proper tools for the job. Make sure your cylinders are within specifications before installing new rings—sometimes a bore and hone is needed for best results. It’s also a good time to check your pistons, bearings, and other internal components while you’ve got the engine apart.






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