1981 Mazda RX-7 Gas Caps
Keep Your 1981 Mazda RX-7 in Top Shape with Quality Gas Caps
Whether you’re repairing or upgrading your Gas Cap, using high-quality parts is key to keeping your 1981 Mazda RX-7 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Gas Caps. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 1981 Mazda RX-7 Gas Cap at Advance Auto Parts is around $25.49, with a range that starts at $11.99 and goes up to $38.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Carquest Non-Locking Fuel Tank Cap, 10725 and Carquest Locking Fuel Cap, 10563 start at just $11.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Gas Cap, don’t forget to check out other key components like Fuel Pumps and Fuel Tanks. At Advance Auto Parts, we’re here to help you keep your 1981 Mazda RX-7 in peak condition, inside and out.
Find Your Specific 1981 Mazda RX-7 Gas Caps
Looking for the perfect Gas Cap for your 1981 Mazda RX-7? You’re in the right place. Below, you’ll find links to various types of Gas Caps that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Gas Caps, ensuring durability and a precise fit for your Mazda RX-7. Whether you’re driving a 1981 model or another popular model year like
1986,
1987,
1988,
1989,
1990,
1991,
1993,
1994, and
1995, we’ve got you covered. Purchasing Gas Caps from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Gas Caps that fit your vehicle.
Essential 1981 Mazda RX-7 Gas Caps
Carquest Premium – Carquest Fuel Cap: Round, Direct Fit, Provides Tight Seal, 1 Pack, 10837 (Part No.10837)
from
$14.99
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.
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Carquest Premium – Carquest Non-Locking Fuel Tank Cap, 10834 (Part No.10834)
from
$9.99
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.
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Carquest Premium – Carquest Locking Diesel Fuel Tank Cap, 10501D (Part No.10501D)
from
$31.99
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.
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Carquest Premium – Carquest Locking Fuel Tank Cap, 10507 (Part No.10507)
from
$23.99
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.
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Carquest Premium – Carquest Non-Locking Fuel Tank Cap, 10827 (Part No.10827)
from
$16.49
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.
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Carquest Premium – Carquest Locking Fuel Cap, 10563 (Part No.10563)
from
$38.99
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.
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Carquest Premium – Carquest Gas Cap: Twist On, Reduces Air Pollution, 1 Pack, 10817 (Part No.10817)
from
$15.99
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.
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Carquest Premium – Carquest Keyed Alike Locking Fuel Cap, 17591 (Part No.17591)
from
$11.99
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.
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Carquest Premium – Carquest Locking Fuel Tank Cap, 10597 (Part No.10597)
from
$22.99
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.
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Carquest Premium – Carquest Non-Locking Fuel Tank Cap, 10819 (Part No.10819)
from
$16.99
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.
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Carquest Premium – Carquest Keyed Alike Locking Fuel Cap, 17507 (Part No.17507)
from
$11.79
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.
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Carquest Premium – Carquest Locking Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack, 10504 (Part No.10504)
from
$23.99
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.
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Motorad – Motorad Direct Fit Tethered Non-Locking Gas Fuel Tank Cap:, MGC817T (Part No.MGC817T)
from
$24.29
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.
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Carquest Premium – Carquest Keyed Alike Locking Fuel Cap, 17597 (Part No.17597)
from
$15.99
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.
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Motorad – Motorad Non-Locking Tethered Fuel Tank Cap:, MGC827T (Part No.MGC827T)
from
$8.99
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.
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Carquest Premium – Carquest Locking Fuel Tank Cap, 10501 (Part No.10501)
from
$24.99
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.
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Carquest Premium – Carquest Locking Fuel Tank Cap, 10591 (Part No.10591)
from
$23.99
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.
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Carquest Premium – Carquest Keyed Alike Locking Fuel Cap, 17505 (Part No.17505)
from
$10.99
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.
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Carquest Premium – Carquest Non-Locking Fuel Tank Cap, 10725 (Part No.10725)
from
$11.99
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.
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Popular 1981 Mazda RX-7 Gas Caps Categories
Most Popular Gas Caps for 1981 Mazda RX-7s
Enhance your 1981 Mazda RX-7 with one of the 2 Gas Caps we have in stock, starting at just $11.99.
Carquest Premium – Carquest Non-Locking Fuel Tank Cap, 10725 (Part No.10725)
from
$11.99
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.
See More
Carquest Premium – Carquest Locking Fuel Cap, 10563 (Part No.10563)
from
$38.99
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.
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FAQs for 1981 Mazda RX-7 Gas Caps
What are the best-selling Gas Caps for 1981 Mazda RX-7s?
Out of 2 Gas Caps that fit 1981 Mazda RX-7s, the following parts are the top sellers:
- Carquest Non-Locking Fuel Tank Cap, 10725 (18481494) – $11.99
- Carquest Locking Fuel Cap, 10563 (10049335) – $38.99
What’s the price range for 1981 Mazda RX-7 Gas Caps?
The prices of Gas Caps for the 1981 Mazda RX-7 range from $11.99 up to $38.99 for the most premium parts.
What is the average price of a Gas Cap for a 1981 Mazda RX-7?
The average price for Gas Caps for the 1981 Mazda RX-7 is $25.49. Keep in mind the variety of part types within our Gas Cap category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Gas Caps for other Mazda RX-7 model years?
What are the cheapest Gas Caps for my 1981 Mazda RX-7?
The cheapest 1981 Mazda RX-7 Gas Caps we carry are:
- Carquest Non-Locking Fuel Tank Cap, 10725 (18481494) – $11.99
- Carquest Locking Fuel Cap, 10563 (10049335) – $38.99
Does Advance Auto Parts sell Gas Caps for any other 1981 Mazda models?
Yes. We stock Gas Caps for 2 other popular 1981 Mazda models. Some of the most popular are 1981 626 Gas Caps, 1981 GLC Gas Caps, and 1981 B2000 Gas Caps.
What types of Gas Caps do you sell for my 1981 Mazda RX-7?
We currently have just 1 Gas Cap in stock for a 1981 Mazda RX-7, and as of 8/2/26, it is a Gas Cap.
Can I get help with 1981 Mazda RX-7 Gas Cap orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mazda Gas Caps and more.
What is your return policy for Mazda RX-7 Gas Caps?
Advance Auto Parts keeps returns simple. For new Mazda RX-7 Gas Caps and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.