Standard Ignition PVS43 Ported Vacuum Switch

Reliable Ported Vacuum Switch for Select GM Vehicles

The Standard Ignition PVS43 ported vacuum switch is designed to provide precise vacuum control for a range of Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models. Engineered with durable materials and specific hose and thread sizes, this switch ensures proper operation in your vehicle's vacuum system.

• Includes one ported vacuum switch
• Equipped with two hose connectors
• Hose size: 3/16" x 3/16" for accurate vacuum line fitment
• Thread size: 1/2" - 14 NPT for secure installation
• Compatible with multiple GM makes and models including Chevrolet Camaro, Buick LeSabre, Pontiac Firebird, and GMC C10

Product Details and Specifications

The PVS43 ported vacuum switch from Standard Ignition is built to meet OEM specifications for vacuum control in various electrical and engine management systems. Featuring two 3/16" hose connectors, it allows for efficient vacuum routing and control. The 1/2" - 14 NPT threaded connection ensures a tight and leak-free fit when installed. This part is suitable for a wide range of GM vehicles such as the Chevrolet Impala, Pontiac Grand Prix, Buick Century, and GMC K20 Suburban, making it a versatile replacement component.

Applications and Common Issues Addressed

• Restores proper vacuum switching function in emission control systems
• Resolves vacuum leaks caused by worn or damaged switches
• Improves engine performance by maintaining correct vacuum routing
• Prevents erratic operation of vacuum-operated actuators
• Supports reliable operation of HVAC vacuum controls in compatible models

Installation Notes and Tips

When installing the Standard Ignition PVS43 ported vacuum switch, ensure that the 3/16" vacuum hoses are securely connected to the two hose connectors. Use thread sealant or Teflon tape on the 1/2" - 14 NPT threaded fitting to prevent leaks. Verify vacuum line routing matches the vehicle’s factory configuration for optimal performance. This part is compatible with various GM models including the Chevrolet C10 Suburban and Pontiac Firebird, so consult your vehicle’s service manual for specific installation instructions.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The PVS43 ported vacuum switch undergoes rigorous quality control testing to maintain consistent functionality. This product is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use.