Mitsubishi 4A91 and 4A92 Rocker Cover Gasket

Mitsubishi engine code 4A91 and 4A92 is under the same family of engine, the details on the Mitsubishi 4A9 series of engine can be found in Wikipedia link here.

The 4A91 is a 1,499cc engine which use in Mitsubishi Colt and Lancer while 4A92 is a 1,590cc engine which use in Mitsubishi ASX and Lancer, there are actually one more variant of 1,332cc Mitsubishi Colt under 4A90 engine.

Although this 3 engine, 4A90, 4A91 and 4A92 share the same type of cylinder head gasket, but there are 2 variant of rocker cover gasket, in the photo above is for the variant 4A90 and 4A91 under part number MN158200, while the photo below is for the 4A92 version under part number 1035A991.