Perma-Cool Adjustable Fan Controller 170-210 Degree F Activation Range 3/8" NPT Temperature Sensor Harness - 21 amp Relay H76203FL They are coated with a

They are coated with a special sealer to promote sealing and give a great look

Low Oil Sensor Plug

1980-1986 GMC B6000

Numbers 64-81

Perma-Cool Adjustable Fan Controller 170-210 Degree F Activation Range 3/8" NPT Temperature Sensor Harness - 21 amp Relay H76203FL They are coated with aProduct Description: Fan Controller Adjustable 170 210 Degree F Activation Range 3 8 in NPT Temperature Sensor Harness 21 amps Relay Using the knowledge gained from years of motorsports involvement, Perma Cool has developed an extensive, high quality product line. Along with its race proven oil and Transmission coolers, Perma Cool offers electric and mechanical fans, oil adapters and filter mounts, complete filtering systems, specialty coolers and