CUP-BEARING 4L7249 - Caterpillar

Engine:
3508 (S/N: 3PS1-UP)
3508B (S/N: S2B1-UP; S2D1-UP; S2E1-UP; S2F1-UP; 3DM1-UP; 7SM1-UP; 3DW1-UP)
3508C (S/N: TTA1-UP; TTB1-UP)
3512B (S/N: S2J1-UP; S2K1-UP; S2L1-UP; S2M1-UP; 7HM1-UP; 8EM1-UP; 4TN1-UP; 2GW1-UP; 2EZ1-UP)
3512C (S/N: TTC1-UP; TTE1-UP; TTF1-UP; TTG1-UP; MKH1-UP; SLM1-UP; E3Y1-UP)
3516B (S/N: 8KN1-UP; S2P1-UP; S2R1-UP; S2S1-UP; S2T1-UP; S2W1-UP; 4BW1-UP; S2X1-UP)
3516C (S/N: PAG1-UP; TTJ1-UP)
The new exhaust seals are made of Inconel Alloy 718 and provide a longer service life.The new exhaust seals and the original exhaust seals are listed in Table 1.The new exhaust seals are adaptable to the above engines back to first production.
Table 1
New Part Number    Original Part Number    
397-7255 Seal     229-5333 Exhaust Seal    
420-5734 Seal     248-5012 Seal    
420-5735 Seal     229-5332 Exhaust Seal