W 250 Pickup L6-359 5.9L DSL (1989)
The low silicon rear end covers have been purged from service parts. There may be some of these low silicon rear end covers left in dealer stock but
these low silicon pieces should not be used when repairing the compressor.
FIGURE 1
The low silicon rear end plates can be identified by the numbers "49751" on the outside of the cover or by the letter "HI" on the inside of the cover. See
Figure 1 for more information.
