Dorman - OE Solutions Fuel Tank Lock Ring P/N:579-102
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Keep the fuel pump module locked down and the tank opening sealed with the Dorman - OE Solutions Fuel Tank Lock Ring 579-102. It drops in as a direct-fit replacement for a long list of GM cars, trucks, and vans — including the 2004-2017 Chevrolet Silverado 1500, 2004-2017 Cadillac Escalade, 2005-2016 Buick LaCrosse, 2010-2017 Chevrolet Camaro, and 2007-2016 GMC Acadia. With 110 applications in total, see the Buyer's Guide tab for the full list.
The lock ring is the retainer that holds the fuel pump module or sending unit in the top of the fuel tank, keeping the assembly clamped so its seal stays compressed against the tank. If a corroded or damaged ring is preventing a secure, sealed fit, this replaces it.
Secures the assembly: holds the fuel pump module or sending unit firmly in the tank opening.
Replaces a worn original: swaps in for a ring that is corroded, cracked, or has broken or stripped locking tabs.
Simplifies pump service: a fresh ring restores a clean, secure hold when installing a new fuel pump module.
Interchange: 10325852 · 94702378 · LO164 Manufacturer part number 579-102 (also 579102)
This part cross-references / interchanges with the following part numbers:
10325852, 94702378, LO164
Frequently Asked Questions
What does a fuel tank lock ring do?
It's the retainer that locks the fuel pump module or sending unit into the top of the fuel tank, holding the assembly clamped in place so its seal stays compressed.
Will this fit my vehicle?
It's a direct-fit replacement for 110 GM applications across many Chevrolet, GMC, Buick, and Cadillac models. Check the Buyer's Guide tab to confirm your exact year, make, and model.
Does this include a tank seal or O-ring?
This listing is for the fuel tank lock ring 579-102. Consult your vehicle service information to see whether the repair also calls for a new tank seal, O-ring, or other components.
What are the signs the lock ring may need replacing?
Signs may include a ring that won't lock securely, cracked or stripped locking tabs, or fuel odor and seepage around the top of the tank after fuel pump service.
What part numbers does this interchange with?
It interchanges with 10325852, 94702378, and LO164. Its own manufacturer part number is Dorman 579-102.
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Dorman
Dorman - OE Solutions Fuel Tank Lock Ring P/N:579-102
A recommended replacement whenever the sending unit is serviced, this fuel tank lock ring is a direct match for the original part. Designed for a secure fit, it's manufactured from durable materials...
WARNING:
These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov.
