Description
Nothing’s more frustrating than finding oil spots under your David Brown or dealing with that smell of burning oil when you’re working hard. A missing or damaged oil filler cap might seem like a minor issue, but it’s actually critical for keeping your engine running right. This vented breather cap maintains proper crankcase pressure while keeping dirt, chaff, and moisture out of your oil—protecting one of farming’s most dependable tractor lines.
What You’re Getting
- Proper venting that prevents blown seals and oil leaks from pressure buildup
- Rubber gasket that keeps oil vapors in and contaminants out
- Heat-resistant construction that won’t crack or warp in hot engine bays
- Direct replacement design that installs in seconds without modifications
Built for Real Farm Work
Whether you’re running a trusty 990 on daily chores, a 1390 handling loader work, or a 1494 pulling heavy implements, your David Brown needs proper crankcase ventilation. These British-built tractors were designed for mixed farming operations—from cultivation and hay work to livestock management—and they’ll keep going strong when their engine oil stays clean and properly ventilated.
Made to Last
This cap handles the temperature swings and chemical exposure that destroy cheaper replacements. The materials resist hot oil vapors while the seal stays flexible through sub-zero winters and summer heat. Built to match the quality standards David Brown tractors are known for.
Good to Know
Clean the filler neck thoroughly before installation—old gasket material defeats the purpose of a new cap. Some models use quarter-turn bayonet caps while others thread on, so double-check which type you need. If your old cap was missing for a while, consider an oil change since contamination may have already occurred.




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