From here...
http://www.jeep4.0performance.4mg.com/tech_specs.html
'91-'93, ........33007127, ...Brown, .......39psi, .................21.0lb/hr
'94-'95, ........53030343, ...Tan, ...........39psi, .................21.0lb/hr
Part numbers are different, but specs are the same. Are they...