Original OEM Chevrolet inline 6 water pump. Removed years ago and has been in dry storage. This is an original GM single-groove water pump for Chevrolet 235/261 inline 6 engines. The shaft is stuck, so I am selling it as a rebuildable core or for parts. Condition: * Original GM cast iron housing * Single-groove pulley * Shaft is stuck * Sold as a rebuildable core * Please review all photos for condition and to verify compatibility with your application Great original core for someone restoring a Chevrolet 235 or 261 engine. Sold exactly as pictured. No returns. Rejiv500