Good Maintenance Practices:
- These lock rings may be reused if they are not damaged or warped.
- Refer to your Vehicle Owner's manual for additional vehicle maintenance practices.

GM Part #84666903
ACDelco Part #84666903
ACDelco GM Original Equipment Fuel Tank Sending Unit Lock Rings are GM-recommended replacements for your vehicle's original components. These rings help seal out contaminants, and help retain your vehicle's fuel tank sending unit. These original equipment lock rings have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)
Please visit our warranty page on Gmparts.com for full warranty details.
No. It is best to replace these components when servicing, or replacing the sending unit.