Injector o-ring/oil leak/fire
Defect Summary
Certain caterpillar c9 diesel engines manufactured between september 2003 and january 2006 installed for use as original equipment on certain transit buses. injector o-ring failures can result in oil being discharged through the valve cover.
Safety Consequence
A fire can occur.
Corrective Action
Caterpillar will notify its owners and repair the engines free of charge. the recall began on september 14, 2006. owners may contact caterpillar at 1-800-447-7332.
Similar Recalls
Other recalls from Caterpillar, Inc. or involving Engine And Engine Cooling.
FAQ: Recall 06E046000
Your rights, the repair process, and what each field on this page means.
What is recall 06E046000?
NHTSA recall 06E046000 was issued by Caterpillar, Inc. on May 24, 2006. It addresses: Injector o-ring/oil leak/fire. The recall affects approximately 722 vehicles, with the defect involving the Engine And Engine Cooling component.
How do I get this recall repaired?
Contact any authorized Caterpillar, Inc. dealer and reference NHTSA recall ID 06E046000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.