Service bulletins for the 2018 Ram 4500
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.
374 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Engine are shown. Show all
| 22842 | 2018-06-11. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. 05187880AC - Inspect and Return: Relay Assy - Heater Intake Air You have been identified as either having stock, or have stock in transit to your dealership. Please return suspect stock of part number 05187880AC. See attachments for identifying suspect stock. Please return suspect parts back to your facing depot using Return Code 02, before 31st August, 2016. |
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| 20610 | 2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. P/N 04573460 - Inspect &Return: Rocker Assy - Intake Valve RT You have been identified as either having stock, or have stock in transit to your dealership. Please return part number 04573460 which have a packaging date of 2016-06-13. Reference attached picture for reference. Please return suspect parts back to your facing depot using Return Code 02, before 29 August, 2016. |
| 17006 | 2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. 68085119AE,Inspect and Return: Exhaust Pipe Assy - Frt W/Catalytic Converter You have been identified as either having stock, or have stock in transit to your dealership. Please return suspect stock of part number 68085119AE. See attachments for identifying suspect stock. Please return suspect parts back to your facing depot using Return Code 02, before 30 June, 2016. Return any open orders in process too. Direct all questions via email to mopardmail@fcagroup.com. |
| 16887 | 2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE. Return: ALTERNATOR - ENGINE You have been identified as either having stock, or have stock in transit to your dealership. Please return all stock of following part numbers: R4801313AC replacement part number are 04801313AD respectively which are in stock and available. Please return suspect parts back to your facing depot using Return Code 02, before 8 July, 2016. Return any open orders in process too. Direct all questions via email to mopardmail@fcagroup.com |
| 30731 | 2018-06-11. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. 04627694AA Purge Control - Valve You have been identified as either having stock, or have stock in transit to your dealership. Suspect stock of part number: 04627694AA must be returned. See attached for identifying suspect stock. Please return suspect parts back to your facing depot using Return Code 02, before 17 April, 2017. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.