Description
When your David Brown starts smoking black or you’re losing power on hills, a cracked exhaust manifold is often the culprit. This heavy-duty cast iron manifold channels exhaust gases away from your engine efficiently, keeping your 4-cylinder running cool and performing like it should. Nothing’s worse than hearing that distinctive exhaust leak sound when you’re trying to get field work done.
What You’re Getting
- Heavy-duty cast iron construction that handles the heat cycling and stress of farm work
- Factory-spec design ensures proper exhaust gas flow for optimal engine performance
- Precision-machined mounting surfaces for a tight seal against the cylinder head
- Direct replacement that bolts on using your existing exhaust system connections
Built for Real Farm Work
This manifold fits the workhorses of many farming operations – David Brown’s reliable 4-cylinder tractors including the 900 series (990, 995, 996), 1200 series (1200, 1210, 1212), and 90 series models (1290, 1390). These tractors are the backbone of medium-sized farms, handling everything from hay operations and cultivation to loader work and general farm duties.
Made to Last
Cast iron construction means this manifold can handle the constant heat cycling from cold morning starts to hot afternoon fieldwork. The thick walls resist cracking better than cheaper alternatives, and the material naturally dampens vibration that can cause premature failure. This is the same quality you’d get from the factory.
Good to Know
You’ll want to replace the manifold gaskets when installing this part – the old ones rarely come off in one piece. Take time to clean the mating surfaces thoroughly, removing all old gasket material. A wire brush and scraper work well, but avoid gouging the surfaces. Don’t forget to check your exhaust pipe connections while you’re at it.
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