1956 Mercury Custom Gas Caps

Keep Your 1956 Mercury Custom in Top Shape with a Quality Gas Cap

When it comes to maintaining or upgrading your 1956 Mercury Custom, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Gas Cap for your Custom. We currently carry a top Gas Cap in stock that is built to last. Whether you’re replacing a damaged Gas Cap or looking to upgrade, our selection for the 1956 Mercury Custom ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Fuel Pumps to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1956 Mercury Custom running smoothly and looking great.

Most Popular Gas Cap for 1956 Mercury Customs

Enhance your 1956 Mercury Custom with this popular Gas Cap we have in stock, for $28.99.

Carquest Premium – Locking Fuel Cap: 10491, Push In, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10491)

Locking Fuel Cap: 10491, Push In, Direct Fit, Provides Tight Seal, 1 Pack

from

$28.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Protects your fuel from theft and vandalism
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
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FAQs for 1956 Mercury Custom Gas Caps

What’s the price range for 1956 Mercury Custom Gas Caps?

We currently have just one Gas Caps for the 1956 Mercury Custom in stock: Locking Fuel Cap: 10491, Push In, Direct Fit, Provides Tight Seal, 1 Pack and it costs $28.99.

Does Advance Auto Parts sell Gas Caps for any other 1956 Mercury models?

Yes. We stock Gas Caps for 2 other popular 1956 Mercury models. Some of the most popular are 1956 Monterey Gas Caps, 1956 Montclair Gas Caps, and 1956 Medalist Gas Caps.

What types of Gas Caps do you sell for my 1956 Mercury Custom?

We currently have just 1 Gas Cap in stock for a 1956 Mercury Custom, and as of 11/2/25, it is a Gas Cap.

Can I get help with 1956 Mercury Custom Gas Cap orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Gas Caps and more.

What is your return policy for Mercury Custom Gas Caps?

Advance Auto Parts keeps returns simple. For new Mercury Custom Gas Caps and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.