Bearing Set (S530058/S643233/S633398) - M20 MAIN, Thrust Washers ARE NOT Included
These 0.020 under bearings fit A65 through 0200 engines. They could be A4 (with locating dowel), A5 (with locating notch), or A6 (with offset tabs). Your case may require modification to use this bearing set. The flange bearing is removed per the STC. Please advise our Sales Dept. of your crank case set up. Our sales staff will assist you in determining which one of the three style thrust-washers is right for your engine.
A5 style (with locating notch) uses (4) 35552 thrust-washers
A6 style (with offset tabs) uses (4) 633141 thrust-washers
Some crankshaft/crankcase combinations use the 627246 (or earlier part number 40237) front main bearing, which has integral flanges. Front main bearings of this type are available in standard and M10 only. They are not available in M20.
PMA Supplement: O-200 Bearing, Rod, Main
Enter the part number without the leading prefix.
Example: LW10207, enter as 10207.
This will provide all equivalent options: LW-10207, AEL10207, SL10207 and ASC10207 plus any over/under sizes.
Curious about acronyms and part numbers? Check out our cheatsheet!