Supercedes to 20-1542.
- (1) Automatic Transmission Pan Gasket
300ZX automatic transmissions should be serviced about every 30,000 miles. Typical servicing includes changing the fluid and inspecting/cleaning the filter. The transmission pan must be removed in order to remove the filter for inspection. This gasket should be replaced any time the transmission fluid pan is removed. This is the genuine, original equipment (OEM) pan gasket.
This part number is “superceded”. Most of our supercessions originated with Nissan. A part made for a Z31, for instance, may actually be the same as the part made for the Z32, but it was given a different number. Nissan would then later supercede the number, so that if you ordered the part number for the Z32, what you would actually get is the original part number for the Z31 (or vice-versa), as they are the same part. Other times, supercessions can exist between different parts on the same car, as is often the case with hardware of the same size. These supercessions were Nissan decisions, where replacing the “superceded from” part with the “superceded to” part results in identical performance. The vast majority of them are simple numbering changes, where the parts are literally identical. In some cases, the two parts are identical in fit and function, but the finish is slightly different, or the non-critical overall dimensions are slightly different (like one starter housing being Ľ” shorter than the other on the non-attached side). They do not affect the function of the part, and in many cases, the “superceded-to” part improves upon the “superceded-from” part.
1990, 1991, 1992, 1993*