Genuine Gates 31066 Oil Filler Cap (NOS)
Prevent oil leaks and crankcase contamination with this genuine Gates 31066 Oil Filler Cap. This is a vintage New Old Stock (NOS) part, designed to meet original equipment specifications for fit and sealing. It features a durable metal construction with a twist-lock cam mechanism, ensuring a secure seal on the valve cover of many classic domestic vehicles.
This part is designed for the valve cover on a wide range of 1964-1985 General Motors (Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac), 1966-1982 AMC, and 1991-1995 Jeep vehicles requiring a standard 1.18" twist-lock cap.
Key Features:
- Part Number: 31066 (Gates)
- Interchange Part: Stant 10066, AC Delco FC66
- Type: Twist-Lock Oil Cap
- Size: Fits 1.18" (30mm) Neck
- Origin: Made in USA (Vintage Stock)
- Condition: New Old Stock (NOS)
Verified Vehicle Fitment:
| Make |
Model |
Year |
Notes |
| AMC |
Ambassador, Gremlin, Hornet, Javelin |
1966-1978 |
Most Models |
| Buick |
Electra, LeSabre, Riviera, Skylark |
1964-1985 |
Twist-Lock |
| Cadillac |
DeVille, Eldorado, Fleetwood |
1968-1983 |
All Models |
| Chevrolet |
Camaro, Chevelle, Impala, Nova |
1967-1979 |
Small Block V8 |
| Jeep |
Wrangler (YJ), Cherokee |
1991-1995 |
2.5L, 4.0L |
Fits Years:
1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985
Unbeatable Prices & Expectations
We scour the country to find the best deals on NOS and NORS parts so we can pass the savings on to you. Our prices are often significantly lower than major competitors.
Please Note: All vehicle fitment data is manually researched from vintage catalogs. While we strive for accuracy, historical data can sometimes be imperfect. Additionally, this part may fit other vehicle makes, models, and years not explicitly listed. We strongly encourage you to perform your own due diligence by comparing our provided photos and specifications to your original part to ensure proper fitment before purchasing.
