Find aftermarket gauges for your Kenworth W990 from 4 State Trucks. We carry oil temperature senders, pyro sender probes, 2 wire gauge light kits, axle load gauges, 0-1800 degree pyrometer, 60-0-60 amp gauges, electric oil temperature gauges, fuel pressure gauges, water temperature gauges, turbo pressure gauges, digital clock gauges and voltmeters.