2026 Lexus RX350 Gas Caps
Keep Your 2026 Lexus RX350 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 2026 Lexus RX350 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 2026 Lexus RX350 Gas Cap at Advance Auto Parts is around $15.49, with a range that starts at $9.99 and goes up to $20.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Carquest Locking Tethered Fuel Tank Cap, MGC7854T and Carquest Tethered Fuel Cap, MGC4854T start at just $9.99 and offer a great balance of form and function.
Find Your Specific 2026 Lexus RX350 Gas Caps
Looking for the perfect Gas Cap for your 2026 Lexus RX350? 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 Lexus RX350. Whether you’re driving a 2026 model or another popular model year like
2012,
2013,
2014,
2015,
2016,
2017,
2018,
2019, and
2022, 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 2026 Lexus RX350 Gas Caps
Carquest Premium – Carquest Tethered Fuel Cap, MGC4854T (Part No.MGC4854T)
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 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 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 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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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 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 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 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 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 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 Tethered Fuel Tank Cap, MGC7854T (Part No.MGC7854T)
from
$20.99
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 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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Popular 2026 Lexus RX350 Gas Caps Categories
Most Popular Gas Caps for 2026 Lexus RX350s
Enhance your 2026 Lexus RX350 with one of the 2 Gas Caps we have in stock, starting at just $9.99.
Carquest Premium – Carquest Locking Tethered Fuel Tank Cap, MGC7854T (Part No.MGC7854T)
from
$20.99
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 Tethered Fuel Cap, MGC4854T (Part No.MGC4854T)
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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FAQs for 2026 Lexus RX350 Gas Caps
What are the best-selling Gas Caps for 2026 Lexus RX350s?
Out of 2 Gas Caps that fit 2026 Lexus RX350s, the following parts are the top sellers:
- Carquest Locking Tethered Fuel Tank Cap, MGC7854T (50168755) – $20.99
- Carquest Tethered Fuel Cap, MGC4854T (50172038) – $9.99
What’s the price range for 2026 Lexus RX350 Gas Caps?
The prices of Gas Caps for the 2026 Lexus RX350 range from $9.99 up to $20.99 for the most premium parts.
What is the average price of a Gas Cap for a 2026 Lexus RX350?
The average price for Gas Caps for the 2026 Lexus RX350 is $15.49. 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 Lexus RX350 model years?
What are the cheapest Gas Caps for my 2026 Lexus RX350?
The cheapest 2026 Lexus RX350 Gas Caps we carry are:
- Carquest Tethered Fuel Cap, MGC4854T (50172038) – $9.99
- Carquest Locking Tethered Fuel Tank Cap, MGC7854T (50168755) – $20.99
What types of Gas Caps do you sell for my 2026 Lexus RX350?
We currently have just 1 Gas Cap in stock for a 2026 Lexus RX350, and as of 8/2/26, it is a Gas Cap.
Can I get help with 2026 Lexus RX350 Gas Cap orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Lexus Gas Caps and more.
What is your return policy for Lexus RX350 Gas Caps?
Advance Auto Parts keeps returns simple. For new Lexus RX350 Gas Caps and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.