The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they are used to directly turn the compressor off to avoid compressor failure.
HVAC Pressure Switch
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Package Information
Orderable Status:YesQuantity:1Package UOM:Smallest Pack (Consumer Level)Package Level GTIN:00844434010057Weight Variance:1.000000000Stacking Factor:4Inner Quantity:1 Each
Extended Information
Country of Origin (Primary):CNHarmonized Tariff Code (HTS):8415908045Life Cycle Status Code:Available to OrderNational Popularity Code:Top 60% of Product Group Sales Value (Units x $, Hits, etc.)Taxable:YesWarranty Time:12Warranty Time UOM:Month
Interchange
1-800-Radiator:SW3111-800-Radiator:SW-311ACDelco Professional:1551289ACDelco Professional:15-51289ACDelco Professional:155742ACDelco Professional:15-5742Chevrolet:13587697Chevrolet:22664328Chevrolet:92145716Chevrolet:95018104Chevrolet:96448991Fiat:68127833AAFour Seasons:20955Four Seasons:36698GMC:13587697GMC:22664328GMC:92145716GMC:95018104GMC:96448991International Harvester (IHC):3546241C1Isuzu:8226643280Isuzu:8-22664-328-0NAPA Temp:207698NAPA Temp:207767Omega Environmental Technologies:2930095Omega Environmental Technologies:29-30095Omega Environmental Technologies:E965168Omega Environmental Technologies:E96-5168Omega Environmental Technologies:MT1339Omega Environmental Technologies:MT133910Omega Environmental Technologies:MT1339-10Omega Environmental Technologies:MT133920Omega Environmental Technologies:MT1339-20Omega Environmental Technologies:MT13395Omega Environmental Technologies:MT1339-5Ranshu:43MT1339Ranshu:43-MT1339Ranshu:SW1571966Ranshu:SW-15-71966Ranshu:TL8507907Ranshu:TL850-7907Reach Cooling:ACC1110213Reach Cooling:ACC11-10213Saab:4868360Saab:9131721Santech:2930095Santech:29-30095Santech:E965168Santech:E96-5168Santech:MT1339Santech:MT133910Santech:MT1339-10Santech:MT133920Santech:MT1339-20Santech:MT13395Santech:MT1339-5UAC:96448991