Seller notes

OEM DCEC PULLEY IDLER 3935015 3978019 For Cummins 4B 3.9 6B 5.9L 8.3C QSB ISBBrand New and High QualityDirect ReplacementPart Number: 5256103 Package Included: OEM DCEC PULLEY IDLERIf unsure of fitment, send me your 8 engine digit serial number and I will verify.Thank you for looking!...

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