Description
When your spray gun starts leaking around the connections or you’re losing pressure during applications, it’s usually a worn gasket that’s causing the trouble. This aluminum gasket creates the tight seal needed between tubing connections in your GunJet spray system, keeping chemicals where they belong and maintaining the pressure you need for consistent coverage.
Key Features
- Aluminum construction resists corrosion from agricultural chemicals and won’t degrade over time
- Precision-machined fit creates a reliable seal that handles high-pressure applications
- Direct OEM replacement—fits exactly like the original gasket that came with your system
- Maintains proper flow rates and pressure for consistent spray patterns
Built for Real Farm Work
This gasket is designed specifically for TeeJet GunJet 42 series spray guns, the workhorses you’ll find on farm sprayers, spot treatment rigs, and fence line spray setups. Whether you’re applying herbicides along ditches, treating problem weeds in pastures, or doing precision spraying around buildings, this little gasket keeps your system running smooth.
Made to Last
Aluminum construction means this gasket won’t swell, crack, or deteriorate when exposed to the harsh chemicals and temperature swings that come with agricultural spraying. It’s built to handle the daily use and abuse of farm life while maintaining that critical seal between components.
Good to Know
Keep a spare on hand—gaskets are one of those small parts that can shut down your spraying operation if they fail at the wrong time. Installation is straightforward, but make sure the mating surfaces are clean before installing the new gasket for the best seal.






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