FILTER-AIR-CU26

Diagnosing inconsistent operation can come down to one worn component—Filter Air CU26 (part 02-4308-01) is a common replacement item. The listing name references model(s) CU26. Replace this part when you see inconsistent operation, visible damage, cracks, corrosion, stripped fasteners, or a component that won’t stay seated. After replacement, run at least one full cycle and recheck for leaks, vibration noise, and anything that loosens during operation. Even simple parts can cause major downtime when they loosen, leak, or interfere with movement. Use part number 02-4308-01 as the primary identifier, compare the replacement to the original, and install with careful alignment and routing. A correct-fit replacement helps restore predictable operation and reduces repeat service calls. Clean the area around the repair so debris doesn’t interfere with fitment or sealing surfaces. Clean the area around the repair so debris doesn’t interfere with fitment or sealing surfaces. Take a photo before disassembly so you can confirm orientation and fastener locations during reassembly. Clean the area around the repair so debris doesn’t interfere with fitment or sealing surfaces. Recheck fasteners after a short run-in period; vibration can loosen hardware if it isn’t seated correctly. Recheck fasteners after a short run-in period; vibration can loosen hardware if it isn’t seated correctly. Recheck fasteners after a short run-in period; vibration can loosen hardware if it isn’t seated correctly. If the part interacts with water, do a leak check during the first run and again after a short operating period. Clean the area around the repair so debris doesn’t interfere with fitment or sealing surfaces. Take a photo before disassembly so you can confirm orientation and fastener locations during reassembly.