Spicer New Cast Iron Cover Inter-axle Differential Lockout units - Manual (Page 5)

Listed below is a quick reference chart by part number. Some of the older design repair kits
remain available for service while others have been replaced by retrofit kits. The chart also in-
cludes the lockout design type, axle model & design feature. Kit description and content can be
found in the following pages of this bulletin.
Air Lockout Kit Cross Reference Chart
Kit Part # Replaced By Lockout Type Model Design Feature
34779 Current ORIG 402 Non-pump models
58421 217793
96919 Current ORIG 402 Navistar reverse-air w/o pump
104599 Current ORIG 402 Pump models only
104600 217792
104819 Current ORIG 461
107621 Current ORIG 402 Navistar reverse-air with lube pump
113581 217795
113584 Current ORIG 461 Used in 4x4 & 6x6 front axle lockup
121332 508506
121333 508457
121905 507494
123216 217792
123217 217793
123218 217794
123273 217795
123274 217796
128735 Current CAST 404 Navistar reverse-air w/shift fork
211197 217792
211198 508457
211199 217792
211200 217793
211201 Current ORIG 402/461 Pump & non-pump repair kit
211202 Current ORIG 402 Navistar reverse-air repair kit
216048 Current CAST 404 Navistar reverse-air w/o shift fork
217792 CAST 402 Pump models only w/shift fork
217793 CAST 402 Non-pump models w/shift fork
217794 CAST 461
217795 CAST 402 Used in 4x4 & 6x6 front axle lockup
217796 CAST 461 Used in 4x4 & 6x6 front axle lockup
507494 CAST 404 Kit w/o shift fork
507709 CAST 404 Piston kit
508121 CAST 404 Complete kit w/shift fork
508457 CAST 402/461 461 pump & 402 non-pump lockout kit
508506 CAST 402 Pump models w/o shift fork