Part Type: Engine Coolant Temperature Sender. Coolant Temp Sender. 1982 Pontiac 6000 Engine: 2.5L L4;EngineVIN: R; with 3/8 In. x 18 Threads;. 1982 Pontiac 6000 Engine: 2.8L V6; with 3/8 In. 1983 Pontiac 6000 Engine: 2.5L L4;EngineVIN: R; with 3/8 In.