1991 GMC Topkick Cooling System Switches, Sensors & Relays
Select Your Submodel
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ACDelco® - Professional™ Engine Coolant Temperature Sensor$32.62 + Save an extra $2.00 with iD FastTrack -
Four Seasons® - Coolant Temperature Switch$16.25 - $18.36 -
- MotoRad® - Engine Coolant Temperature Sensor$8.71 - $8.91
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- ID Select® - Engine Coolant Temperature Sender$34.48 + Save an extra $1.90 with iD FastTrack
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- Standard® - Engine Coolant Temperature Sender$28.95 + Save an extra $1.90 with iD FastTrack
- Standard® - Engine Coolant Temperature Sensor$19.80 + Save an extra $1.10 with iD FastTrack
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- Standard® - Tru-Tech™ Engine Coolant Temperature Sender$10.16 - $14.96
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- WVE® - Engine Coolant Temperature Sender$15.95 - $16.43
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- Hayden® - Cooling Fan Temperature Switch$22.80 - $42.95
