{"nhtsa_id":39452,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-11-01","date":"1993-12-01","document_id":"9318","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"A POTENTIAL QUALITY ISSUE HAS BEEN IDENTIFIED WITH CONNECTING RODS USED IN SOME 1994 N14 ENGINES. ENGINES BUILT BETWEEN 05 OCTOBER 1993 AND 22 OCTOBER 1993 MAY CONTAIN CONNECTING RODS BUILT FROM A BATCH OF FORGINGS IDENTIFIED AS HAVING A SUPPLIER QUALITY ISSUE. SOME CONNECTING SOME CONNECTING RODS FROM THIS BATCH, UNDER CERTAIN CONDITIONS, WILL FAIL TO REACH THE CUMMINS STANDARD FOR USEFUL LIFE. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/39452","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"CUMMINS","year_from":1994,"year_to":1994,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}