Aftermarket sources for various Cummins H parts:

The following parts may or may not be available from Cummins, but are available from various aftermarket sources at quite reasonable prices. These sources usually do not have Cummins minimum order quantities or 13% shipping fees, either.

Please note! Cross reference information here is taken from various sources and has NOT all been verified. Please use caution when acquiring parts based on this information; we cannot be responsible for any incorrect information.
Contact info:

S & R Mechanical Services in Columbus, OH, ph 614 755 7603
These guys have a good knowledge and stock of obsolete Cummins parts. Don't expect to get anything inexpensively!
Interstate-McBee
My distributor is Laing Diesel, Williamsport, PA, ph 570 494 0874
FP Diesel (Federal Mogul)
My distributor is Penn Diesel, Harrisburg, PA, ph 800 535 2913
Clevite
My distributor is Penn Diesel, Harrisburg, PA, ph 800 535 2913
McMaster-Carr
several locations nationwide