- OEM Parts
- Engine Mechanical
- Piston, Crankshaft & Flywheel
Product Description
This is a set of OEM FRONT Main Bearings. This set consists of the upper and lower halves (2 pieces).
There are 3 types of Main Bearings; One Front, Two Middle and One Rear Bearing. The Front Main Bearing part number will be 12207-30P0* where * indicates the grade number. The Middle Two Main Bearing part numbers will be 12207-30P2* where * indicates the grade number. Notice this part number is different from the front by only one number, do not get these mixed up. The Rear Main (thrust) Bearing part number will be 12263-30P0* where * indicates the grade number. To make this more complicated, Nissan also used different suffixes to the part numbers over time. This means that in these part numbers 30P can be substituted with F65 and used interchangeably.
Fits:
- 1990-1996 Nissan 300ZX (Z32)
NOTE:
- Grade 0 Front Main Bearings have been discontinued by Nissan.
- Grade 2 Front Main Bearings have been discontinued by Nissan.
- Grade 4 Front Main Bearings have been discontinued by Nissan.
How to find Grade Numbers:
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Main Journal Grade Numbers from Crankshaft:
Read from Left to Right with the letter 'F' indicating the Front of the Engine as shown in the image below.
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Main Journal Numbers from Engine Block:
Read from Left to Right with the Front of the Block facing Left as shown in the image below.
Block Grade Numbers may be stamped upside down.
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Select your bearing grade from the options below.
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Aric
May 30, 2022
I was skeptical at first because I called and didn't get a lot of help with customer service. BUT, when the part came in, I was like "Yo, they actually had it) Then I seent that the part # was different on the box and from the bearing. So I tried it away and found it was the exact clearance needed. After all that I did se research and found the the part # was updated to that one I received. In all everything worked out!
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