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Service bulletin SP-172 RevH

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 id10123463
Published by NHTSA2017-11-14
Manufacturer's numberSP-172 RevH
Manufacturer's date2017-10-01
NHTSA componentSUSPENSION; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

Operation Name: Hendrickson Truck Commercial Vehicle Systems Document Name: Parts List - AIRTEK / SOFTEK Front Suspension Systems for Blue Bird Buses Summary: This document provides parts lists for Hendrickson AIRTEK and SOFTEK front suspension systems equipped on applcable Blue Bird buses.

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

Equipment and accessories, Labels and manuals, Suspension

Vehicles listed
HENDRICKSON UNK

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