ALLISON HT 748 B solenoid part number

[rgrimard]

Good morning,
After a week of troubleshooting my 54 code on my HT748 i have an open B solenoid. I have the troubleshooting manual but not a parts manusl for this trannt...uggh. By any chance does anyone out there have a parts book with the HT700 series B solenoid part number? Thanks in advance
Regards,
Ray

[daveola]

There are two solenoids for the HT740/747/750/754.  Don't know if this is different from the 748.

Part numbers:

White (6 needed)   181421
Black (3 needed)   181421A

[rgrimard]

thank you very much.
Ray