# Service bulletin CPI426392

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.

- Type: Service bulletin
- NHTSA id: 10165569
- Published by NHTSA: 2019\-10\-04
- Manufacturer's number: CPI426392
- Manufacturer's date: 2019\-09\-24
- NHTSA component: EQUIPMENT; ENGINE AND ENGINE COOLING

## NHTSA's summary

Roller pin wear has been seen on the 4535998 lifter. Parts have been returned and confirmed to have poor surface finish on the inner diameter of the roller on the failed units. Supplier shipping components not to print. Continuous Product Improvement \(CPI\) project to change roller pin material to a more wear resistant material.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10165569-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10165569-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Equipment and accessories

## Vehicles listed

- CATERPILLAR C7
- CATERPILLAR C9

JSON: [/v1/bulletins/10165569](/v1/bulletins/10165569)

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