Coolant temperature regulators restrict the flow of coolant between engine blocks and radiators until engines reach operating temperatures Attributes: Cat parts are manufactured to precise specifications and are built for durability, reliability, productivity, and less environmental impact UNITS: US Metric Height (mm): 78.7 Length (mm): 160 Width (mm): 104.1 Compatible Models: IENG 3508B, 3516B, 3512B