BUSHING 5M6637 - Caterpillar

Truck Engine: C15 (S/N: BXS1-UP; MXS1-UP; NXS1-UP)Introduction
There are new air compressor groups that are used for all engines that are listed above. The changes include steel braided hose and new fittings that will add improved life and reliability to the parts. Refer to the following Special Instruction for more information on the changes.Note: If the changes that are documented below have already been completed on your truck, there is no need to complete the changes again.Air Compressor Lines Group Changes
The 240-4861 Air Lines Gp and 240-4862 Air Compressor Lines Gp were changed at change level 11. The old parts and the new parts for 240-4861 Air Lines Gp are listed in table 1. The old parts and the new parts for 240-4862 Air Compressor Lines Gp are listed in table 2. The change was made in order to add fittings and a steel braided hose between the air chamber and the inlet port of the air compressor. When the air compressor is replaced or the tube is damaged exchange the tube and fittings with the new parts.Required Parts
Table 1
240-4861 Air Lines Gp    
Old Parts     New Parts    
Connector     Tube As     Hose     Clamp     Hose As     Elbow    
5P-1230     239-9652     240-4863     284-3502     304-9988     005-3969    
Table 2
240-4862 Air Compressor Lines Gp    
Old Parts     New Parts    
Connector     Elbow     Tube As     Hose     Clamp     Hose As     Elbow     Elbow    
5P-1230     227-5863     239-9653     240-4863