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ACDelco 15776431 - Fuel Tank Sending Unit Lock Ring

GM Original Equipment


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.

Availability: Call to check stock.
Shipping: 1 to 3 Day Delivery to Most Locations Within The Continental United States!
Pricing: $14.04


Fuel Tank Sending Unit Lock Ring

Warranty: 24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see for more details.

Features & Benefits:

  • Help seal out contaminants
  • Help retain fuel tank sending unit
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function


Q: Should the lock ring and seal be reused?
A: No. It is best to replace these components when servicing, or replacing the sending unit.

Maintenance & Troubleshooting

Signs of Wear & Troubleshooting

  • Signs of wear for fuel tank sending unit lock rings include but are not limited to:
    • Leaking fuel and odors
    • Malfunction Indicator Lamp is on

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.

California Proposition 65

California Prop 65WARNING: Cancer & Reproductive Harm -


  • 15776431
  • 15776431
  • 707773948019
  • ACDelco
  • Call to check stock.
  • New


Shipping Information

  • Item Requires Shipping
  • 0.5 lbs.
  • W6.5000” x H0.3000” x L6.5000”
  • 1 to 3 Day Delivery to Most Locations Within The Continental United States!

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California Residents: Prop 65

WARNING: Cancer and Reproductive Harm -