The stock Datsun 1200 Rocker cover uses a push-and-twist oil cap. It is a classic all-chrome cap and seals with a simple round gasket. Some other Datsuns use a threaded cap that will not work in a 1200. By the way, this is where you add oil to the engine.
2-3/4" Oil Filler Cap (1-13/32" x 1-19/64" Cam Twist)
RockAuto.com
- 15255-B3430 Cap-oil Filler $12.35
- replaced 15255-15953 CAP-oil
- NOT BECK/ARNLEY Part # 0160048 screw-in cap (fits L-series)
- STANT Part # 10102
- GATES Part # 31088
B10 Elephant Cap
B10 Datsun 1000 Vented Oil Cap
(Datsun 1200 caps are sealed)
Late Model Sunny Caps