NEW Genuine Nissan engine block heater for 1983.5 through 84 model year 720 Nissan trucks with SD25 diesel engine. New in box, complete with instruction sheet.Part # 99998-10244 No reserve auction, Shipping will be $5.00. Thanks for looking. E-mail me if you have questions.
Philip, can you see any reason why this wouldn't fit the SD22? Are the casting plugs a different size?
FWIW, that part No. does seem to be good, and still available.
99998-10244 Eng Blk Heater, $14