Description
If you’ve got smaller diesel engines around the farm—generators, welders, irrigation pumps, or compact equipment—you know how vulnerable those exhaust pipes are to rain and weather. Water sitting in your exhaust system isn’t just annoying; it can cause rust damage, hydrolock your engine, or leave you with expensive repairs when you need that equipment most. This weather cap keeps rain, snow, and debris out of 2-1/2 inch exhaust pipes, protecting your investment from water damage that can happen faster than you’d think.
What You’re Getting
- Gray finish that won’t show dirt and blends with most equipment colors
- Fits exhaust pipes with 2-1/2 to 2-11/16 inch outside diameter for a snug, secure fit
- Simple slip-on design that stays put through vibration and weather conditions
- Durable construction that handles temperature swings and outdoor storage
Built for Real Farm Work
This 2.5-inch size is common on stationary engines, older compact tractors, diesel welders, generators, and industrial equipment. Whether it’s that backup generator that sits most of the year, the irrigation pump engine that runs seasonally, or the diesel welder on your service truck, these smaller engines need protection too. Every farm depends on smaller diesel engines, and these 2.5-inch exhaust systems are particularly vulnerable to rain because they’re often on equipment that sits idle between uses.
Made to Last
This TISCO weather cap is built to handle the realities of farm life—dust, moisture, temperature changes, and the occasional bump. The gray finish resists fading and won’t show every speck of dirt like lighter colors would. It’s designed to stay in place once installed, so you’re not constantly adjusting or replacing caps that work loose.
Installation Notes
Measure your exhaust pipe’s outside diameter carefully before ordering—it should be between 2-1/2 and 2-11/16 inches for proper fit. Pro tip from the field: these smaller caps are easier to lose track of than larger ones, so consider painting yours a bright color or adding a small chain for portable equipment like welders and generators. Also, check them regularly on equipment that sits for months—spiders and wasps love building homes under idle rain caps.






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