John DeereBlocker PlatePart No: T421326

The John Deere Blocker Plate T421326 gives you a clean, solid way to seal off unused ports or control flow in your system. Whether you’re working on a hydraulic line, engine block, or chassis setup, this blocker plate fits right and locks in tight. It’s built from strong materials that hold up to heat, pressure, and wear—perfect for hard-working equipment in tough conditions. If you’ve got a leak, pressure drop, or just need to close off a port safely, this John Deere plate is a smart fix. It installs fast, lines up easily, and stays put once it’s in. Don’t mess with makeshift seals or risky gaps—this plate handles the job clean and simple. Grab the T421326 now before it’s gone, and keep your equipment running with confidence. Small part, big protection.