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Service bulletin L1055, Rev. E

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 id10126523
Published by NHTSA2017-12-22
Manufacturer's numberL1055, Rev. E
Manufacturer's date2017-10-01
NHTSA componentSUSPENSION

NHTSA's summary

Operation Name: Hendrickson Trailer Commercial Vehicle Systems Document Name: Parts List - SURELOK Summary: This document provides parts lists for Hendrickson SURELOK ride height lock mechanisms.

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

Suspension

Vehicles listed
UTILITY UTILITY

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