MAN 81552100024 valve seat

Description

The MAN 81552100024 valve seat is a critical component within the cylinder head of an engine, responsible for creating a gas-tight seal between the valve and the valve guide. This ensures optimal compression and combustion efficiency. Measuring 35 x 35 x 41 mm, this part contributes to improved engine performance, reduced emissions, and extended engine life by maintaining a consistent and reliable seal. It's a durable and precisely engineered component designed for consistent operation.

Key Features & Benefits

This little piece is where the valve actually seals against the cylinder head. Think of it like the rim of a glass meeting a coaster—it creates that tight seal. It's machined to a very precise angle, and that’s super important for how well the valve closes. It's what allows the engine to build compression, which ultimately makes power. Different engines use different types – some are swirled, some are stepped, and materials vary too – but they all do that basic sealing job. It’s a critical part inside the engine, specifically within the cylinder head. Every time the engine fires, the valves are opening and closing, and the valve seat is taking a beating. It’s part of the whole combustion process – air and fuel come in, get ignited, and exhaust goes out. Without a good valve seal, that process just doesn’t happen efficiently. It's a pretty small part, but it's working constantly whenever the engine is running.

Symptoms, Risks & Replacements

Honestly, it’s hugely important. If a valve seat gets worn, damaged, or burned, you'll lose compression. You’ll notice if it’s bad – things like rough idling, a loss of power, or even the engine misfiring. It can also cause increased emissions. A bad valve seat can eventually lead to more serious engine damage if left unchecked. They’re typically replaced when you’re doing a valve job or a head rebuild, but sometimes you’ll replace just the seats if they’re the only thing damaged. You can find them on sites like Fixparts Online, and there’s a lot of variation based on your specific engine, so getting the right one is key.

Warranty Information

MAN valve seat (MPN 81552100024) comes with a 1-year warranty.