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Service bulletin 98-034

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11027064
Published by NHTSA2026-01-06
Manufacturer's number98-034
Manufacturer's date2025-12-03
Campaign id or software version98-034
NHTSA componentELECTRICAL SYSTEM; ENGINE

NHTSA's summary

A new Level 1 required MX-11 and MX-13 Oil Pressure Switch Breakout Harness is now available for order.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine

Vehicles listed
PACCAR MX-112020 to 2021
PACCAR MX-132020 to 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.