1966 Mercury S-55 Fuel Tank Lock Rings

Your 1966 Mercury S-55 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Fuel Tank Lock Rings you desperately need.

We currently carry 2 Fuel Tank Lock Rings to choose from for your 1966 Mercury S-55, and our inventory prices range from as little as $9.99 up to $19.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Fuel Tank Lock Rings for the 1966 Mercury S-55. We only sell parts from trusted brands like Dorman so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 4 reviews on our Fuel Tank Lock Rings for the 1966 Mercury S-55 from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Fuel Tank Lock Rings stock in-person!

Fuel Tank Lock Rings for Your 1966 Mercury S-55

Dorman – Fuel Pump Lock Ring (Part No.579-003)

Fuel Pump Lock Ring

from

$9.99
Recommended for replacement whenever the sending unit is serviced, this fuel tank sending unit lock ring securely retains the fuel pump assembly to the lock. Made of durable materials for reliable service.

Product Features:
  • Direct replacement – this fuel tank sending unit lock ring is made to match the fit and performance of the original ring on specific vehicle applications
  • Recommended for replacement whenever the sending unit is serviced, this fuel tank sending unit lock ring securely retains the fuel pump assembly to the lock
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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KAI – Fuel Tank Lock Ring (Part No.TNKLO03)

Fuel Tank Lock Ring

from

$19.99
New Standard Replacement Lock/O-Ring Set

Product Features:
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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FAQs for 1966 Mercury S-55 Fuel Tank Lock Rings

What are the most popular Fuel Tank Lock Rings for the 1966 Mercury S-55?

With 2 brands you can trust, our most popular Fuel Tank Lock Rings for the 1966 Mercury S-55 parts are:
Fuel Pump Lock Ring
from $9.99
(1)
Fuel Pump Lock Ring
Fuel Tank Lock Rings
Fuel Tank Lock Ring
from $19.99
This product is not rated
Fuel Tank Lock Ring
Fuel Tank Lock Rings