HomeGlobal Parts 1711421 HVAC Pressure Switch
Part #: 1711421

Global Parts 1711421 HVAC Pressure Switch

33 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, 190E, 300SD, 300SE, 300SL, 380SE, 380SL, E300, E320, E420, E500, SL320, SL500, and SL600
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Overview of Global Parts HVAC Pressure Switch 1711421

The Global Parts HVAC Pressure Switch 1711421 is designed for precise pressure monitoring in Mercedes-Benz HVAC systems. This binary normal open switch ensures reliable operation within specified high and low pressure thresholds, making it suitable for various Mercedes-Benz models including the 190E, 300SD, and SL500.

  • Type: Binary normal open switch
  • Connection: 3/8"-24 male fitting
  • High pressure open at 398 psi
  • High pressure close at 312 psi
  • Compatible with multiple Mercedes-Benz models

Technical Details and Specifications

The HVAC Pressure Switch 1711421 from Global Parts operates as a binary normal open type, meaning it remains open until the pressure reaches a set high point. It features a 3/8"-24 male threaded connection for secure installation. The switch activates at a high pressure open point of 398 psi and resets at 312 psi, providing accurate pressure control within the HVAC system. This pressure switch is engineered to maintain system integrity by monitoring both high and low pressure conditions, ensuring optimal performance in Mercedes-Benz vehicles.

Compatible Mercedes-Benz Models

This HVAC pressure switch is compatible with a range of Mercedes-Benz vehicles, including but not limited to the 190E, 300SD, 300SE, 300SL, 380SE, 380SL, E300, E320, E420, E500, SL320, SL500, and SL600. The part number 1711421 is specifically designed to meet the OEM specifications for these models, ensuring proper fit and function within their HVAC systems.

Common Applications and Problem Resolution

  • Prevents HVAC system failure due to incorrect pressure levels
  • Protects compressor by monitoring high pressure cut-off
  • Ensures efficient air conditioning performance in Mercedes-Benz 300SE and SL500 models
  • Helps avoid costly repairs related to pressure switch malfunction
  • Maintains system safety by detecting abnormal pressure fluctuations

Installation Notes and Tips

When installing the Global Parts HVAC Pressure Switch 1711421, ensure the 3/8"-24 male fitting is properly tightened to avoid leaks. Verify compatibility with your specific Mercedes-Benz model before installation. It is recommended to inspect the HVAC system for any underlying issues that may affect pressure readings prior to replacing the switch. Proper torque specifications should be followed to maintain system integrity.

Quality Assurance and Warranty

Global Parts manufactures the HVAC Pressure Switch 1711421 to meet industry standards for durability and reliability. While specific warranty details are not provided, Global Parts products typically undergo rigorous quality control to ensure consistent performance. Using this part helps maintain the operational safety and efficiency of your Mercedes-Benz HVAC system.

BrandGlobal Parts
Part Number1711421
TypeBinary normal open; 3/8"-24 male; hp op 398psi; hp cl 312psi; lp

This part fits 33 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995Mercedes-BenzE3003.0LL6N/AHVAC binary operation pressure switch.
1995Mercedes-BenzSL3203.2LL6N/AHVAC binary operation pressure switch.
1995Mercedes-BenzSL5005.0LV8N/AHVAC binary operation pressure switch.
1995Mercedes-BenzSL6006.0LV12N/AHVAC binary operation pressure switch.
1994Mercedes-BenzE3203.2LL6N/AHVAC binary operation pressure switch.
1994Mercedes-BenzE4204.2LV8N/AHVAC binary operation pressure switch.
1994Mercedes-BenzE5005.0LV8N/AHVAC binary operation pressure switch.
1994Mercedes-BenzSL3203.2LL6N/AHVAC binary operation pressure switch.
1994Mercedes-BenzSL5005.0LV8N/AHVAC binary operation pressure switch.
1994Mercedes-BenzSL6006.0LV12N/AHVAC binary operation pressure switch.
1993Mercedes-Benz190E2.3LL4N/AHVAC binary operation pressure switch.
1993Mercedes-Benz300SD3.4LL6N/AHVAC binary operation pressure switch.
1993Mercedes-Benz300SE3.2LL6N/AHVAC binary operation pressure switch.
1993Mercedes-Benz300SL3.0LL6N/AHVAC binary operation pressure switch.
1992Mercedes-Benz190E2.3LL4N/AHVAC binary operation pressure switch.
1992Mercedes-Benz300SD3.4LL6N/AHVAC binary operation pressure switch.
1992Mercedes-Benz300SE3.2LL6N/AHVAC binary operation pressure switch.
1992Mercedes-Benz300SL3.0LL6N/AHVAC binary operation pressure switch.
1991Mercedes-Benz190E2.3LL4N/AHVAC binary operation pressure switch.
1991Mercedes-Benz300SE3.0LL6N/AHVAC binary operation pressure switch.
1991Mercedes-Benz300SL3.0LL6N/AHVAC binary operation pressure switch.
1990Mercedes-Benz300SE3.0LL6N/AHVAC binary operation pressure switch.
1990Mercedes-Benz300SL3.0LL6N/AHVAC binary operation pressure switch.
1989Mercedes-Benz300SE3.0LL6N/AHVAC binary operation pressure switch.
1988Mercedes-Benz190E2.3LL4N/AHVAC binary operation pressure switch.
1988Mercedes-Benz300SE3.0LL6N/AHVAC binary operation pressure switch.
1987Mercedes-Benz190E2.6LL6N/AHVAC binary operation pressure switch.
1987Mercedes-Benz190E2.3LL4N/AHVAC binary operation pressure switch.
1986Mercedes-Benz190E2.3LL4N/AHVAC binary operation pressure switch.
1985Mercedes-Benz190E2.3LL4N/AHVAC binary operation pressure switch.
1985Mercedes-Benz380SE3.8LV8N/AHVAC binary operation pressure switch.
1985Mercedes-Benz380SL3.8LV8N/AHVAC binary operation pressure switch.
1984Mercedes-Benz190E2.3LL4N/AHVAC binary operation 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:

15-5112915-59251551129155925207457211-72021172036574ASW80-1938MC-1137MC1137SW-4SW10068SW10068CSW4

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