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Part #: 35757

Four Seasons 35757 HVAC Cut-Off Switch

Pressure Switch
⚙️ 124 vehicles fit this part
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📦Pressure Switch
🚗Fitment: Audi, Buick, Chevrolet, Oldsmobile, Pontiac, GMC, and Cadillac, 5000, Skylark, Nova, 98, Cutlass Salon, Cutlass Supreme, Delta 88, Omega, Starfire, Toronado, Firebird, Phoenix, Riviera, C10, C10 Suburban, C20, C20 Suburban, C30, Chevette, K10, K10 Suburban, K20, K20 Suburban, K30, K5 Blazer, Monza, C15, C15 Suburban, C25, C25 Suburban, C35, Jimmy, K15, K15 Suburban, K25, K25 Suburban, K35, DeVille, Eldorado, Fleetwood, Seville, Caprice, El Camino, Impala, Malibu, Monte Carlo, Vega, Cutlass, Astre, Sunbird, Grand Prix, LeMans, Blazer, C10 Pickup, C20 Pickup, C30 Pickup, K10 Pickup, K20 Pickup, K30 Pickup, C15/C1500 Pickup, C15/C1500 Suburban, C25/C2500 Pickup, C25/C2500 Suburban, C35/C3500 Pickup, K15/K1500 Pickup, K15/K1500 Suburban, K25/K2500 Pickup, K25/K2500 Suburban, and K35/K3500 Pickup
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Not what you need? Click here for all HVAC Cut-Off Switch options

Overview of Four Seasons Pressure Switch 35757

The Four Seasons Pressure Switch 35757 is a reliable HVAC cut-off switch designed for system-mounted applications. Engineered to meet or exceed OEM standards, this pressure switch is compatible with a range of GM vehicles including Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models.

  • Brand: Four Seasons
  • Brand Line: Pressure Switch
  • Part Number: 35757
  • Type: Low cut-out pressure switch
  • Fitting Thread Size: 3/8 in. x 24
  • Material: Steel construction
  • Number of Terminals: 2
  • Connector Shape: Open
  • Weather Pack Compatible
  • Operate PSI Low Off: 24 PSI
  • Operate PSI Low On: 25 PSI
  • Harness Connector Included: Part 37219

Four Seasons Pressure Switch Product Line Details

The Four Seasons Pressure Switch line focuses on precision HVAC cut-off switches designed to protect and regulate automotive air conditioning systems. The 35757 model is a pressure-based low cut-out switch that ensures system safety by activating or deactivating based on pressure thresholds. This product line emphasizes durability and compatibility with original equipment specifications, making it suitable for system-mounted installations in various GM vehicles.

Detailed Product Description

This HVAC cut-off switch features a steel body with a 3/8 inch x 24 fitting thread size, ensuring a secure and durable connection within the air conditioning system. The switch operates between 24 PSI (low off) and 25 PSI (low on), providing precise pressure control to prevent system damage. It includes two terminals and an open connector shape compatible with the Weather Pack harness connector (part number 37219). Designed for system-mounted installation, the Four Seasons 35757 pressure switch is engineered to meet or exceed OEM requirements, ensuring reliable performance in vehicles such as the Chevrolet Blazer, Cadillac DeVille, Pontiac Firebird, and GMC K10 Suburban.

Common Applications and Issues Addressed

  • Prevents compressor damage due to low refrigerant pressure
  • Protects HVAC system from pressure-related failures
  • Ensures proper cycling of the air conditioning compressor
  • Helps maintain consistent cabin temperature control
  • Addresses HVAC system cut-off malfunctions in GM vehicles

Installation Notes and Tips

When installing the Four Seasons Pressure Switch 35757, ensure the system is depressurized and the vehicle is turned off. The switch mounts directly to the system using the 3/8 in. x 24 fitting thread. Verify the connector shape matches the existing harness connector (part 37219) for proper electrical connection. Tighten securely to avoid leaks but avoid over-torquing to prevent damage. After installation, test the HVAC system to confirm correct operation of the pressure switch.

Quality Assurance and Warranty

The Four Seasons Pressure Switch 35757 is manufactured from durable steel and designed to meet or exceed OEM specifications for HVAC cut-off switches. This ensures consistent performance and longevity in demanding automotive environments. The product includes a warranty that covers defects in materials and workmanship, providing confidence in its reliability for use in Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac vehicles.

BrandFour Seasons
Part Number35757
PositionPressure Switch
Comp Open/ClosedOpen
Connector ShapeOpen
DescriptionSwitch-Pressure /System Mount
Fitting Thread Size3/8 in. x 24
Harness Connector[37219] / Harness Connector
Item Included A Desc24606
Item Included A Qty.1
MaterialSteel
Meets / Exceeds OEM?YES
Mnt Sys LocSystem Mounted
Number of Terminals2
Operate Psi Low Off24
Operate Psi Low On25
StylePressure
TypeLow Cut-Out
Weather Pack?Yes

This part fits 124 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1979BuickSkylarkN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1979ChevroletNovaN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1979Oldsmobile98N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1979OldsmobileCutlass3.8LV6N/Awithout Valves in Receiver (VIR) Assembly; Pressure Switch
1979OldsmobileCutlass Salon3.8LV6N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1979OldsmobileCutlass Supreme3.8LV6N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1979OldsmobileDelta 883.8LV6N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1979OldsmobileOmegaN/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1979OldsmobileStarfireN/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1979OldsmobileToronadoN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1979PontiacFirebirdN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1979PontiacPhoenixN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978BuickRivieraN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1978BuickSkylarkN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1978ChevroletC10N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978ChevroletC10 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978ChevroletC20N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978ChevroletC20 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978ChevroletC30N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978ChevroletChevetteN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1978ChevroletK10N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978ChevroletK10 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978ChevroletK20N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978ChevroletK20 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978ChevroletK30N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978ChevroletK5 BlazerN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978ChevroletMonzaN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1978ChevroletNovaN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1978GMCJimmyN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978Oldsmobile98N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1978OldsmobileCutlass3.8LV6N/Awithout Valves in Receiver (VIR) Assembly; Pressure Switch
1978OldsmobileCutlass Salon3.8LV6N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1978OldsmobileCutlass Supreme3.8LV6N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1978OldsmobileDelta 883.8LV6N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1978OldsmobileOmegaN/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1978OldsmobileStarfireN/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1978OldsmobileToronadoN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978PontiacFirebirdN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1978PontiacPhoenixN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977BuickRivieraN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977BuickSkylarkN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977CadillacDeVilleN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977CadillacEldoradoN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977CadillacFleetwood75N/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977CadillacFleetwood75 FormalN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977CadillacFleetwoodFormalN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977CadillacSevilleN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977ChevroletC10N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977ChevroletC10 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977ChevroletC20N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977ChevroletC20 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977ChevroletC30N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977ChevroletCapriceN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977ChevroletChevetteN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977ChevroletEl CaminoN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977ChevroletImpalaN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977ChevroletK10N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977ChevroletK10 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977ChevroletK20N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977ChevroletK20 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977ChevroletK30N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977ChevroletK5 BlazerN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977ChevroletMalibuN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977ChevroletMonte CarloN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977ChevroletMonzaN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977ChevroletNovaN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1977GMCJimmyN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977Oldsmobile98N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1977OldsmobileCutlass3.8LV6N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1977OldsmobileCutlass Supreme3.8LV6N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1977OldsmobileDelta 883.8LV6N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1977OldsmobileOmegaN/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1977OldsmobileStarfireN/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1977OldsmobileToronadoN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977PontiacFirebirdN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1977PontiacSunbirdN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976BuickSkylarkN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1976ChevroletC10N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976ChevroletC10 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976ChevroletC20N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976ChevroletC20 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976ChevroletC30N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976ChevroletChevetteN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1976ChevroletK10N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976ChevroletK10 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976ChevroletK20N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976ChevroletK20 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976ChevroletK5 BlazerN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976ChevroletMonzaN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1976ChevroletNovaN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1976GMCJimmyN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976OldsmobileCutlass4.1LL6N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1976OldsmobileCutlass Supreme4.1LL6N/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1976OldsmobileOmegaN/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1976OldsmobileStarfireN/ALow Pressure A/C System Mounted; Liquid Line; Excl. VIR (Valve In Reciever); Pressure Switch
1976OldsmobileToronadoN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976PontiacFirebirdN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976PontiacGrand PrixN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976PontiacLeMansN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1976PontiacSunbirdN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1975ChevroletC10N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1975ChevroletC10 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1975ChevroletC20N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1975ChevroletC20 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1975ChevroletC30N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1975ChevroletK10N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1975ChevroletK10 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1975ChevroletK20N/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1975ChevroletK20 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1975ChevroletK5 BlazerN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1975ChevroletMonzaN/AMount the Low Pressure A/C Cut-Off Switch on the HVAC system.; Pressure Switch
1975GMCJimmyN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1974ChevroletBlazerN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1974ChevroletC10 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1974ChevroletC20 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1974ChevroletK10 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1974ChevroletK20 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1974GMCJimmyN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1973ChevroletBlazerN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1973ChevroletC10 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1973ChevroletC20 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1973ChevroletK10 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1973ChevroletK20 SuburbanN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch
1973GMCJimmyN/ALow Pressure A/C System Mounted Liquid Line - HVAC Cut-Off Switch; Pressure Switch

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

01478132111357571130171183563118356341350015214715510681711253191893282070702111742121742202852270229300013397333984835757370117431959483A503662626466272089701762A7245AC8302AM80812E807346HS174MT0499SW2147SW2147C

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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