Standard Ignition PVS20 Ported Vacuum Switch

Ported Vacuum Switch for Ford and Jeep Applications

Standard Ignition PVS20 is a ported vacuum switch built to OE specification for precise fit and consistent operation. It uses a brass body with a high-temperature plastic housing and thermal elements engineered for improved performance in emission-control vacuum circuits.

• Ported vacuum switch for emission-system vacuum routing
• Brass and high-temperature plastic construction
• OE-spec fit and performance
• 3 hose connectors with 1/4-inch hose size
• 3/8"-18 NPT thread size
• Direct replacement for many Ford, Mercury, Lincoln, and Jeep applications

Detailed Product Overview

The Standard Ignition PVS20 is designed for vehicles that use a yellow, 3-port vacuum switch to control vacuum flow based on operating temperature. It is commonly used on Ford Mustang, Ford F-150, Ford Bronco, Jeep CJ5, and other classic Ford, Mercury, Lincoln, and Jeep models listed in the fitment data. This part cross-references Carlson 13303 and Gates 36616 for the same application.

Built with controlled manufacturing and component-level quality checks, the PVS20 supports accurate vacuum switching in EGR and related emission systems. For shoppers searching for a ported vacuum switch for 1974-1988 Ford F-150, a replacement vacuum switch for 1974-1988 Ford Bronco, or a 3-port vacuum switch for 1972-1974 Jeep CJ5, this part number is a direct catalog match for the listed vehicles.

What This Part Helps Address

• Incorrect vacuum routing in temperature-controlled emission systems
• Hard-to-diagnose EGR switching issues
• Vacuum leaks at a worn or cracked switch body
• Failed thermal response in a ported vacuum switch
• Replacement needs for yellow 3-port Ford and Jeep vacuum switch applications

Installation Notes and Tips

Verify the vehicle’s original switch style, port count, hose size, and thread size before installation. Match the yellow 3-port configuration shown in the fitment notes, and confirm the application-specific emissions setup, especially on California-emissions vehicles and models with special notes such as High Swirl Combustion. Use the existing vacuum hose routing as a reference to avoid cross-connection during replacement.

Quality Assurance

Standard Ignition manufactures emission components with process control from component production through final assembly. The PVS20 is built to OE specification using brass and high-temperature plastic materials for consistent fit and performance across the listed Ford Mustang, Ford F-150, Ford Bronco, and Jeep applications.

Compatible Vehicles

• Fits 1989-1995 Ford Mustang, N/A; Yellow; 3 Port
• Fits 1979-1995 Ford Mustang, N/A; Yellow; 3 Ports
• Fits 1987-1991 Mercury Colony Park, N/A; Yellow; 3 Port
• Fits 1987-1991 Mercury Colony Park, N/A; Yellow; 3 Ports
• Fits 1986-1988 Ford Aerostar, N/A; Yellow; 3 Ports
• Fits 1974-1988 Ford Bronco, N/A; Yellow; 3 Ports
• Fits 1984-1988 Ford Bronco II, N/A; Yellow; 3 Ports
• Fits 1975-1988 Ford E-150 Econoline, N/A; Yellow; 3 Ports
• Fits 1975-1988 Ford E-150 Econoline Club Wagon, N/A; Yellow; 3 Ports
• Fits 1975-1988 Ford E-250 Econoline, N/A; Yellow; 3 Ports
• Fits 1975-1988 Ford E-250 Econoline Club Wagon, N/A; Yellow; 3 Ports
• Fits 1975-1988 Ford E-350 Econoline, N/A; Yellow; 3 Ports
• Fits 1977-1988 Ford E-350 Econoline Club Wagon, N/A; Yellow; 3 Ports
• Fits 1975-1988 Ford F-150, N/A; Yellow; 3 Ports
• Fits 1974-1988 Ford F-250, N/A; Yellow; 3 Ports
• Fits 1974-1988 Ford F-350, N/A; Yellow; 3 Ports
• Fits 1987-1988 Ford LTD Crown Victoria, N/A; Yellow; 3 Ports
• Fits 1983-1988 Ford Ranger, N/A; Yellow; 3 Ports
• Fits 1974-1988 Ford Thunderbird, N/A; Yellow; 3 Ports
• Fits 1974-1988 Mercury Cougar, N/A; Yellow; 3 Ports
• Fits 1975-1988 Mercury Grand Marquis, N/A; Yellow; 3 Ports
• Fits 1986-1988 Mercury Sable, N/A; Yellow; 3 Ports
• Fits 1974-1986 Ford LTD, N/A; Yellow; 3 Ports
• Fits 1986 Ford Taurus, N/A; Yellow; 3 Ports
• Fits 1982-1986 Lincoln Continental, N/A; Yellow; 3 Ports
• Fits 1974-1980 Lincoln Continental, N/A; Yellow; 3 Ports
• Fits 1984-1986 Lincoln Mark VII, N/A; Yellow; 3 Ports
• Fits 1981-1986 Lincoln Town Car, N/A; Yellow; 3 Ports
• Fits 1979-1986 Mercury Capri, N/A; Yellow; 3 Ports
• Fits 1976-1977 Mercury Capri, N/A; Yellow; 3 Ports
• Fits 1974 Mercury Capri, N/A; Yellow; 3 Ports
• Fits 1974-1986 Mercury Marquis, N/A; Yellow; 3 Ports
• Fits 1981-1985 Ford Escort, N/A; Yellow; 3 Ports
• Fits 1984-1985 Ford Tempo, N/A; Yellow; 3 Ports
• Fits 1981-1985 Mercury Lynx, N/A; Yellow; 3 Ports
• Fits 1985 Mercury Topaz, N/A; Yellow; w/ High Swirl Combustion; 3 Ports
• Fits 1984 Mercury Topaz, N/A; Yellow; 3 Ports
• Fits 1974-1983 Ford E-100 Econoline, N/A; Yellow; 3 Ports
• Fits 1975-1983 Ford E-100 Econoline Club Wagon, N/A; Yellow; 3 Ports
• Fits 1974-1983 Ford F-100, N/A; Yellow; 3 Ports
• Fits 1978-1983 Ford Fairmont, N/A; Yellow; 3 Ports
• Fits 1980-1983 Lincoln Mark VI, N/A; Yellow; 3 Ports
• Fits 1982-1983 Mercury LN7, N/A; Yellow; 3 Ports
• Fits 1978-1983 Mercury Zephyr, N/A; Yellow; 3 Ports
• Fits 1982 Mercury Cougar, N/A; Yellow; 3 Port
• Fits 1974-1980 Ford Pinto, N/A; Yellow; 3 Ports
• Fits 1974-1980 Jeep Cherokee, N/A; Yellow; 3 Ports
• Fits 1980 Jeep CJ5, N/A; Yellow; 3 Ports
• Fits 1976-1978 Jeep CJ5, N/A; Yellow; 3 Ports
• Fits 1972-1974 Jeep CJ5, N/A; Yellow; 3 Ports
• Fits 1974-1980 Jeep J10, N/A; Yellow; 3 Ports
• Fits 1975-1980 Jeep J20, N/A; Yellow; 3 Ports
• Fits 1975-1980 Jeep Wagoneer, N/A; Yellow; 3 Ports
• Fits 1971-1973 Jeep Wagoneer, N/A; Yellow; 3 Ports
• Fits 1977-1980 Lincoln Versailles, N/A; Yellow; 3 Ports
• Fits 1980 Mercury Bobcat, N/A; Yellow; w/ Calif. Emissions; 3 Ports
• Fits 1980 Mercury Capri, N/A; Yellow; w/ Calif. Emissions; 3 Ports
• Fits 1975-1980 Mercury Monarch, N/A; Yellow; 3 Ports
• Fits 1980 Mercury Zephyr, N/A; Yellow; w/ Calif. Emissions; 3 Ports
• Fits 1978-1979 Jeep CJ7, N/A; Yellow; 3 Ports
• Fits 1976 Jeep CJ7, N/A; Yellow; 3 Ports
• Fits 1975-1979 Mercury Bobcat, N/A; Yellow; 3 Ports
• Fits 1974-1976 Mercury Montego, N/A; Yellow; 3 Ports