Looking for a starter solenoid that mounts on the firewall and energizes the solenoid on the starter motor
on this truck
http://www.t137.com/cpg/albums/userpics/10010/Ed_s_GMC_side.jpg

1951 GMC 650 diesel 4-71engine.
Any help locating one or a part number would be Greatly appreciated.
There's no numbers on the old one and can't seem to match it in Napa or Car Quest books.

Thanks,
TGP

1951 GMC 650 Diesel
1958 GMC 550 Wrecker
1964 Chev C-80 427cid Tandem
1947 Dodge WDX Power Wagon
1977 Chev K-30 400 cid
1984 Chev K-30 Cummins 6BTA