HOSE 4531611 - Caterpillar

Table 1
Required Parts
Qty New Part Number Part Name Former Part Number(1)
1 030-7955 Flared Tee -
2 124-0501 Cone -
2 124-0502 Tapered Cup -
2 133-4292 Lip Type Seal -
1 20R-0128 Transfer Case As 134-9817
1 2K-4472 O-Ring Seal -
1 334-3888 Transfer Gear 123-2877
2 334-6034 Roller Bearing As 124-0503
1 340-7300 Tube As -
- 345-2394 Transfer Case Assembly 134-9817
1 346-6619 Bearing Cage Assembly 123-2997
1 346-6671 Tube As -
1 3J-1907 O-Ring Seal -
1 419-8133 Transfer Case As 134-9817
1 5P-2587 O-Ring Seal -
1 5P-8286 O-Ring Seal -
1 6Y-6328 Shim Pack -
1 7L-2181 O-Ring Seal -
2 8S-8820 Clip -
(1) The former part number listed is for reference only and may differ.To accommodate the new bearing design using the parts mentioned in Table 1, the following items must be updated:
Case Assembly
Bearing Cage
Oil Lines
Idler Gear
Fasteners
Fixed Gap Speed Sensors Implemented.Note: The former 345-2394 Transfer Case As is replaced with 419-8133 Transfer Case As. The 419-8133 Transfer Case As has changes for improved manufacturing. Either 345-2394 Transfer Case As or 419-8133 Transfer Case As may be used for this update.Note: 20R-0128 Transfer Case As is available as the Reman service replacement for both 345-2394 Transfer Case As and 419-8133 Transfer Case As. One 134-9817 Transfer Case As is required as a core return when purchasing a 20R-0128 Transfer Case As.Note: The bearing design that is used on the idler gear no longer requires end play adjustment. The design still requires end play to be checked. Ensure that no preload is present. The former 230-6346 Transmission Ar will be replaced by 347-0183 Transmission Ar. The 347-0183 Transmission Ar will contain 345-2392 Output Transfer Gear Gp which uses the straight roller bearings. The Specification manual will contain all necessary information regarding end play measurements. Refer to the Disassembly and Assembly manuals for instructions on assembling the new design of the output transfer case.