KIT-ENGINE OVERHAUL 3934717 - Caterpillar

Table 2
3516B Engines    
Left Hand Service     Right Hand Service    
Former Part     New Part     Former Part     New Part    
153-1246     237-2717     153-1246     237-2717    
8N-6297     237-2719     111-3819     237-2712    
153-1245     237-2716     153-1245     237-2716    
8N-6296     237-2718     8N-6325     237-2715    Note: If any one of the former part numbers is replaced by a new part number, all of the other corresponding former part numbers must be replaced. For example, if you install the 237-2713 Tube As on a 3508B Engine with Right Hand Service, you must also install the 237-2712 Tube As, the 237-2714 Tube As, and the 237-2715 Tube As .Table 3 lists the serial number effectivity for first production of the fuel supply tubes in 3500B Engines.
Table 3
Serial Number Effectivity for 3500B Engines    
Sales Model     Serial Number Range    
3508B     (S/N: 1FZ01871-UP)    
3508B     (S/N: 1TW00347-UP)    
3508B     (S/N: 2HW00248-UP)    
3508B     (S/N: 3DM00451-UP)    
3508B     (S/N: 3DW00175-UP)    
3508B     (S/N: 5PS00316-UP)    
3508B     (S/N: 6PN00853-UP)    
3508B     (S/N: 7SM00913-UP)    
3508B     (S/N: BGX00116-UP)    
3508B     (S/N: CBB00189-UP)    
3512B     (S/N: 1GZ01501-UP)    
3512B     (S/N: 1PW00427-UP)    
3512B     (S/N: 2EZ00334-UP)    
3512B     (S/N: 2GW00403-UP)    
3512B     (S/N: 3ZW00476-UP)    
3512B     (S/N: 4AW00817-UP)    
3512B     (S/N: 4TN00787-UP)    
3512B     (S/N: 5AW00135-UP)    
3512B     (S/N: 8DF00187-UP)    
3512B     (S/N: 8EM00513-UP)    
3512B     (S/N: 8RM00754-UP)    
3512B     (S/N: BRN00191-UP)    
3512B     (S/N: FFG00018-UP)    
3512B     (S/N: PWG00110-UP)    
3516B     (S/N: 1HZ02452-UP)    
3516B     (S/N: 1NW00145-UP)    
3516B     (S/N: 2JW00409-UP)    
3516B     (S/N: 3CW00254-UP)    
3516B     (S/N: 3XS00408-UP)    
3516B     (S/N: 4BW00545-UP)    
3516B     (S/N: 7RN01951-UP)    
3516B     (S/N: 8KN00567-UP)    
3516B     (S/N: 9AN00358-UP)    
3516B     (S/N: BCK00274-UP)    
3516B     (S/N: BMB00130-UP)    
3516B     (S/N: CBN00312-UP)