Gates 31064 Engine Crankcase Breather Cap

Oil Breather Cap for Classic GM and Ford Applications

The Gates 31064 oil breather cap is an engine crankcase breather cap built for emission control systems on late model cars and light trucks, with coverage that also extends across many classic Buick, Chevrolet, Ford, Mercury, and Pontiac applications. Its specific-fit design, metal housing, and rubber seal help provide a secure crankcase venting solution where the original cap style is required.

Key Features

• Gates Oil Breather Cap, part number 31064
• Crankcase breather cap for emission control system service
• Specific fit design for listed vehicle applications
• Metal housing with silver finish
• Rubber gasket/seal for a tighter seal at the neck
• Cam twist style for secure retention
• Shell diameter: 2.41 in; neck diameter: 1.18 in; neck depth: 2.07 in

Product Details

Gates 31064 is an engine crankcase breather cap designed to meet the requirements of emission control systems while maintaining broad application coverage. The silver metal housing and rubber sealing material are selected for durability and fit at the valve cover or breather opening, and the cam twist design helps lock the cap in place. This part number 31064 is listed for a wide range of vehicles, including 1964-1967 Chevrolet Bel Air, 1967 Chevrolet Camaro, and 1967 Ford Mustang, along with many Buick, Mercury, and Pontiac models. This part cross-references Dorman - HELP 31064 for the same application.

What It Helps Address

• Missing or damaged crankcase breather cap
• Loose sealing at the breather opening
• Oil vapor venting issues at the valve cover
• Incorrect cap style on emission-controlled engines
• Fitment problems on listed classic car and light truck applications

Installation Notes and Tips

Verify the neck diameter, shell diameter, and cam twist style before installation. This Gates 31064 breather cap is listed as a specific fit, so confirm your vehicle’s emission system and engine configuration against the fitment notes, especially for applications marked W/O California emission system, W/O closed PCV system, or W/O valve cover vents. Compatible With 1964-1967 Chevrolet Bel Air, 1967 Chevrolet Camaro, and 1967 Ford Mustang applications as listed in the fitment data.

• Fits 1967-1968 Chevrolet C10 Suburban, N/A
• Fits 1967-1968 Chevrolet C20 Suburban, N/A
• Fits 1967-1968 Chevrolet K10 Suburban, N/A
• Fits 1967-1968 Chevrolet K20 Suburban, N/A
• Fits 1968 Pontiac Bonneville, N/A
• Fits 1968 Pontiac Catalina, N/A
• Fits 1968 Pontiac Firebird, N/A
• Fits 1968 Pontiac Grand Prix, N/A
• Fits 1968 Pontiac GTO, N/A
• Fits 1964-1967 Buick LeSabre, N/A
• Fits 1964-1967 Buick Riviera, N/A
• Fits 1964-1967 Buick Skylark, N/A
• Fits 1964-1967 Chevrolet Bel Air, N/A
• Fits 1967 Chevrolet Camaro, N/A
• Fits 1964-1967 Chevrolet El Camino, N/A
• Fits 1964-1967 Chevrolet Impala, N/A
• Fits 1964-1967 Chevrolet Malibu, N/A
• Fits 1965-1967 Ford F-100, N/A
• Fits 1965-1967 Ford F-250, N/A
• Fits 1965-1967 Ford F-350, N/A
• Fits 1967 Ford Mustang, N/A
• Fits 1965-1967 Ford Thunderbird, N/A
• Fits 1965-1967 Mercury Colony Park, N/A
• Fits 1967 Mercury Cougar, N/A
• Fits 1967 Mercury Marquis, N/A
• Fits 1966-1967 Pontiac Acadian, N/A
• Fits 1966-1967 Pontiac Bonneville, N/A
• Fits 1966-1967 Pontiac Catalina, N/A
• Fits 1967 Pontiac Firebird, N/A
• Fits 1966-1967 Pontiac Grand Prix, N/A
• Fits 1966-1967 Pontiac GTO, N/A
• Fits 1966-1967 Pontiac Laurentian, N/A
• Fits 1964-1967 Pontiac LeMans, N/A
• Fits 1966-1967 Pontiac Parisienne, N/A
• Fits 1964-1967 Pontiac Tempest, N/A
• Fits 1965-1966 Ford LTD, N/A
• Fits 1965-1966 Mercury Marauder, N/A
• Fits 1964-1965 Pontiac Acadian, N/A
• Fits 1964-1965 Pontiac Bonneville, N/A
• Fits 1964-1965 Pontiac Catalina, N/A
• Fits 1964-1965 Pontiac Grand Prix, N/A
• Fits 1964-1965 Pontiac Laurentian, N/A
• Fits 1964-1965 Pontiac LeMans, N/A
• Fits 1964-1965 Pontiac Parisienne, N/A
• Fits 1964-1965 Pontiac Tempest, N/A
• Fits 1964 Pontiac Acadian, N/A
• Fits 1963-1964 Pontiac Laurentian, N/A
• Fits 1963-1964 Pontiac LeMans, N/A
• Fits 1963-1964 Pontiac Parisienne, N/A
• Fits 1963-1964 Pontiac Tempest, N/A
• Fits 1959-1963 Buick LeSabre, N/A
• Fits 1963 Buick Riviera, N/A
• Fits 1961-1963 Buick Skylark, N/A
• Fits 1956-1963 Chevrolet Bel Air, N/A
• Fits 1958-1963 Chevrolet Impala, N/A
• Fits 1961-1963 Pontiac Bonneville, N/A
• Fits 1961-1963 Pontiac Catalina, N/A
• Fits 1962-1963 Pontiac Grand Prix, N/A
• Fits 1961-1963 Pontiac Laurentian, N/A
• Fits 1963 Pontiac LeMans, N/A
• Fits 1961-1963 Pontiac Parisienne, N/A
• Fits 1961-1963 Pontiac Tempest, N/A
• Fits 1958-1960 Pontiac Bonneville, N/A
• Fits 1959-1960 Pontiac Catalina, N/A
• Fits 1959-1960 Pontiac Laurentian, N/A
• Fits 1959-1960 Pontiac Parisienne, N/A
• Fits 1956-1958 Buick Century, N/A
• Fits 1956-1958 Buick Roadmaster, N/A
• Fits 1950-1952 Buick Roadmaster, N/A
• Fits 1957 Pontiac Bonneville, N/A
• Fits 1955-1957 Pontiac Laurentian, N/A
• Fits 1955 Buick Century, N/A
• Fits 1955 Buick Roadmaster, N/A
• Fits 1955 Chevrolet Bel Air, N/A
• Fits 1955 Chevrolet Corvette, N/A

Quality Assurance

Gates manufactures this breather cap to meet emission control system requirements for the listed applications. The part is built with a metal housing and rubber seal to support consistent fit and function in service.