OER® reproduction of the original headlamp mounting switch nut designed for use with various 1968-82 GM models. Manufactured to factory specifications, this headlamp switch mounting nut is used to retain the headlamp switch to the instrument panel. Fits a wide variety of GM applications as listed below.
Buick Applications:
Cadillac Applications:
Chevrolet Applications:
Oldsmobile Applications:
Pontiac Applications:
OER® was established in the early 1980's to manufacture original equipment reproductions where every part is meticulously reproduced to exact factory specifications. All OER® parts are reverse engineered or manufactured using original blueprints when available to ensure the closest possible reproduction available on the market. When available, original factory tooling is utilized to insure complete originality. Our mission is to supply the highest quality parts available for the enthusiast and serious restorer. Whether you're a serious restorer, or just someone who wants a replacement part for your classic vehicle, OER® is the source for the finest quality parts on the market. Today, OER® is the most recognized brand in automotive restoration parts. Choose OER® for all your restoration needs.
Many OER® products are officially licensed by General Motors and the Chrysler Group ensuring the quality and authenticity of these products. The GM Restoration Parts logo and the MOPAR Authentic Restoration Product logo are the true signs of quality. OER® is licensed by GM and the Chrysler Group as an official restoration parts manufacturer.

| Make | Model | Years |
| Buick | Apollo | 1973 - 1974 |
| Buick | Estate Wagon | 1976 - 1980 |
| Buick | LeSabre | 1976 - 1980 |
| Buick | Skylark | 1975 - 1979 |
| Cadillac | Cimarron | 1982 - 1984 |
| Chevrolet | Bel Air | 1968 - 1970 |
| Chevrolet | Biscayne | 1968 - 1970 |
| Chevrolet | Blazer | 1987 |
| Chevrolet | Brookwood | 1969 - 1970 |
| Chevrolet | C10 Suburban | 1978 - 1986 |
| Chevrolet | C10 | 1978 - 1986 |
| Chevrolet | C15 | 1982 - 1987 |
| Chevrolet | C20 Suburban | 1978 - 1986 |
| Chevrolet | C20 | 1978 - 1987 |
| Chevrolet | C30 | 1978 - 1986 |
| Chevrolet | C35 | 1983 - 1987 |
| Chevrolet | Camaro | 1969 - 1981 |
| Chevrolet | Caprice | 1968 - 1982 |
| Chevrolet | Cavalier | 1983 - 1990 |
| Chevrolet | Celebrity | 1982 |
| Chevrolet | Chevelle | 1968 - 1972 |
| Chevrolet | Chevette | 1976 - 1982 |
| Chevrolet | Citation | 1980 - 1982 |
| Chevrolet | Corvair | 1968 - 1969 |
| Chevrolet | El Camino | 1978 - 1987 |
| Chevrolet | Estate | 1969 - 1970 |
| Chevrolet | Impala | 1968 - 1982 |
| Chevrolet | K10 Suburban | 1978 - 1986 |
| Chevrolet | K10 | 1978 - 1986 |
| Chevrolet | K20 Suburban | 1978 - 1986 |
| Chevrolet | K20 | 1978 - 1986 |
| Chevrolet | K30 | 1978 - 1986 |
| Chevrolet | K5 Blazer | 1978 - 1986 |
| Chevrolet | Kingswood | 1969 - 1970 |
| Chevrolet | Malibu | 1978 - 1981 |
| Chevrolet | Monte Carlo | 1970 - 1988 |
| Chevrolet | Monza | 1975 - 1980 |
| Chevrolet | Nova | 1969 - 1979 |
| Chevrolet | R10 Suburban | 1987 |
| Chevrolet | R10 | 1987 |
| Chevrolet | R20 Suburban | 1987 |
| Chevrolet | R20 | 1987 |
| Chevrolet | R30 | 1987 |
| Chevrolet | S10 Blazer | 1983 - 1987 |
| Chevrolet | S10 | 1982 - 1987 |
| Chevrolet | Suburban | 1987 |
| Chevrolet | Townsman | 1969 - 1970 |
| Chevrolet | V10 Suburban | 1987 |
| Chevrolet | V10 | 1987 |
| Chevrolet | V20 Suburban | 1987 |
| Chevrolet | V20 | 1987 |
| Chevrolet | V30 | 1987 |
| Chevrolet | Vega | 1971 - 1977 |
| GMC | Safari | 1987 - 1989 |
| Oldsmobile | 98 | 1976 - 1984 |
| Oldsmobile | Custom Cruiser | 1982 - 1990 |
| Oldsmobile | Delta 88 | 1976 - 1990 |
| Oldsmobile | Omega | 1976 - 1979 |
| Oldsmobile | Starfire | 1976 - 1980 |
| Oldsmobile | Toronado | 1976 - 1982 |
| Pontiac | Astre | 1975 - 1977 |
| Pontiac | Parisienne | 1983 - 1986 |
| Pontiac | Phoenix | 1977 - 1982 |
| Pontiac | Safari | 1987 - 1989 |
| Pontiac | Sunbird | 1976 - 1990 |
| Pontiac | T1000 | 1981 - 1982 |
| Pontiac | Ventura | 1971 - 1977 |
| Height | 3 in |
| Length | 1 in |
| Weight | 0.06 lbs |
| Width | 3 in |