With the preamble that I know nothing about DRASH units;
I don't have a TM for that unit, but I do have some related information.
The LPW4 takes, I think, a 3/4-16 thread, with a 2.75" gasket diameter.
Lister lists an oil bracket part number 751-15490. There's one for sale on eBay (UK) at the moment;
Oil filter housing - X Lister LPWS4 engine ..SNF / 15490 / 751..........£40+VAT | eBay
Removed in working order, from a starting, running Lister LPWS4 engine, 4 cylinder, non turbo diesel, year 1990, fitted in a Beaver T24 (rebadged hayter T224 ) mower, showing 2712 working hours that had suffered bottom end/ crank failure.
www.ebay.com
Ford made one as well, F4UE6884BA, shown here
Installation of 90 degree oil filter adapter on 1FZFE
Installed a Ford Racing 90 degree oil filter adapter (M-6880-A50) today on my 96 FZJ-80. Debated between a remote filter and this adapter but went with this one to keep it simple; the threads for the 1FZFE oil filter pipe are 3/4x16 inch, same as the Ford adapter. Due to the adapter being...
forum.ih8mud.com
I think it has been replaced with this M-6880-B50, which goes from 3/4-16 to 22mm metric threads, I.e, different filter, e.g. Fl-500A, or FL-820
BILLET 90 DEGREE OIL FILTER ADAPTOR FOR PUSHROD V8 ENGINES
BILLET 90 DEGREE OIL FILTER ADAPTOR FOR PUSHROD V8 ENGINES|Ford Performance Parts
performanceparts.ford.com
What I don't know for the non-Lister parts, is whether the filter diameters match, and would fit on the LPW4/LPW2 engine block.
@Light in the Dark Thanks for all of your great posts on the forum. I do find them very, ...enlightening! I really appreciate it.
All the best,
2Pbfeet