Coolant Temperature Regulator 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, less environmental impact, and reuse UNITS:US METRIC Height (mm): 129.5 Length (mm): 129.5 Width (mm): 73.7 Compatible Models: 3500 G3516, G3512, G3520B, G3516B, G3520C, G3508 IENG G3508B, G3520B, G3512B, G3508, G3512, G3516, G3516B, C15, G3508J SPF343C G3516J, SPF343 EPG G3516, G3512, G3520B, G3516B, G3520C, G3508