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High Quality OEM Idler Pulley 3933395 3978324 4990020 for Cummins Engine ISB QSB ISD Series, with main list of Cummins idler pulleys, in below:
Engine | Description | Part # | Part # | Part # | Part # | Part # |
L8.9 | Idler pulley | 3979428 | ||||
ISB6.7 | Idler pulley | 4892356 | 4987968 | 4936437 | 5256103 | 4991240 |
ISB6.7 | Idler pulley | 3978324 | 4936439 | 4897031 | 4891159 | |
ISF | Idler pulley | 5254599 | 5254598 | 5309066 | 3970945 | |
ISF | Idler pulley | 5262658 | 5262659 | |||
K38 | Idler pulley | 3016766 | 3009483 | |||
K50 | Idler pulley | 3016766 | 3009480 | 3635034 | ||
N855 | Idler pulley | 215397 |