Source for Vintage Receiver (Marantz) Parts

Hi folks,
I am in desperate need of a source for vintage Marantz receiver parts. Specifically, I am looking for a volume pot for a Marantz 2325, Part number RM05030610 Dual 50K Ohm volume pot. This is what it looks like. uci84uwz79yk.png
Thanks
Living Room
Parasound Model 2250v2 amplifier
Parasound P5 preamp
Turntable 1 - Technics SL-1210Mk2 turntable with Shure V-15 Type III cartridge
Turntable 2 - Dual 1229 turntable, Dual AS-12 45 RPM stacker, Shure V-15 Type III cartridge
Schiit Mani Phono Preamp for Turntable 2
Oppo UDP-205 CD/SACD USB and FLAC duties
Technics RS-1500US reel to reel
Polk SDA SRS (2nd Gen) fully modded

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