PART NO.  SPL.PAGE  DESCRIPTION                                                                     
2A939     16.A.24   Seal-oil-crankcase front cover (rubber) Com.(E)16GC/8263 -(was 2K7140)
2K7140    15.A.7    Ring -crankcase front cover (felt) -(engine unit, 1500)
2K7140    sup.8     Ring -(felt) -(crankcase front cover, engine unit, sup)
2K7140    16.A.7    Ring -crankcase front cover (felt) -(engine unit, 1600)
2K7140    16.A.14   Ring -crankcase front cover (felt) -(engine unit, 1600)
2K7140    16.A.28   Ring -crankcase front cover (felt) -(eng.unit, 1622)-Fin.(E)16GC/8262-
    changed to 2A939 Com.(E)16GC/8263
2K7140    16.A.34   Ring -crankcase front cover (felt) -(eng.unit, 1622)
AEJ5       TC.A.6    Oil seal (case -front timing, camshaft drive, engine, Twin Cam)

2A939 Oil Seal for late production MGA (other than Twin Cam), all MGB and some MG Midgets.

Size is: 1-9/16" ID x 2-21/64" OD x 3/8" Thick.
(2-5/16" OD when installed)

For Alternate Part numbers and Sleedi-Sleeve information,see engine tech CS-101A.

2K7140 Ring, felt -seal,for crankcase front cover.
For MGA 1500, 1600, 1622 early, Fin.(E)16GC/8262.

For rmore information, see CS-100 Felt Timing Cover Seal Installation.