1999 Pontiac Firebird Gas Caps

Keep Your 1999 Pontiac Firebird 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 1999 Pontiac Firebird 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.

Top-Rated Gas Caps from Trusted Brands

Looking for a reliable Gas Cap? We’ve got you covered with options from brands you know and trust like Carquest Premium. For example, Carquest Premium Gas Caps start at just $17.79 with an average 4.4 star rating. With over 540 reviews and a solid 4 star average, you can shop with confidence knowing other Pontiac Firebird owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1999 Pontiac Firebird Gas Cap at Advance Auto Parts is around $22.35, with a range that starts at $17.79 and goes up to $24.99. With 5 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Non-Locking Tethered Fuel Tank Cap and Locking Fuel Tank Cap start at just $20.99 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 Oxygen Sensors. At Advance Auto Parts, we’re here to help you keep your 1999 Pontiac Firebird in peak condition, inside and out.

Essential 1999 Pontiac Firebird Gas Caps

Carquest Premium – Locking Fuel Tank Cap (Part No.10591)

Locking Fuel Tank Cap

from

$23.99
Product Features:
  • Protects your fuel from theft and vandalism
  • 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
See More

Carquest Premium – Locking Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10504)

Locking Fuel Cap: Screw On, Direct Fit, Provides Tight Seal, 1 Pack

from

$21.79
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.

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
See More

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17504)

Keyed Alike Locking Fuel Cap

from

$7.99
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:
  • Passes all state and federal emissions tests
  • Independently tested for emission control
  • Independently tested for emission control
  • Protects your fuel from theft and vandalism
  • Reduces air pollution with proper sealing and venting
  • Manufactured from durable, long-life materials
See More

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17507)

Keyed Alike Locking Fuel Cap

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.

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

Motorad – Non-Locking Tethered Fuel Tank Cap (Part No.MGC834T)

Non-Locking Tethered Fuel Tank Cap

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.

Product Features:
  • Come pre-assembled for quick and easy installation.
  • Several fastener options to work with any fuel cap compartment configuration
  • Fits vehicles orginally equipped with tether
  • Reduces air pollution with proper sealing and venting
  • Manufactured from durable, long-life materials
See More

Carquest Premium – Fuel Cap: Round, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10837)

Fuel Cap: Round, Direct Fit, Provides Tight Seal, 1 Pack

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.

Product Features:
  • 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
See More

Carquest Premium – Fuel Cap (Part No.10822)

Fuel Cap

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.

Product Features:
  • 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
See More

Carquest Premium – Locking Fuel Tank Cap (Part No.10522)

Locking Fuel Tank Cap

from

$22.99
Product Features:
  • Reduces air pollution with proper sealing and venting
  • 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
See More

Carquest Premium – Fuel Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10846)

Fuel Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

from

$13.49
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.

Product Features:
  • 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
See More

Carquest Premium – Locking Fuel Tank Cap (Part No.10506)

Locking Fuel Tank Cap

from

$24.99
Product Features:
  • Protects your fuel from theft and vandalism
  • 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
See More

Carquest Premium – Locking Fuel Tank Cap (Part No.10501)

Locking Fuel Tank Cap

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.

Product Features:
  • Protects your fuel from theft and vandalism
  • 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
See More

Carquest Premium – Non-Locking Fuel Tank Cap (Part No.10834)

Non-Locking Fuel Tank Cap

from

$15.49
Product Features:
  • Reduces air pollution with proper sealing and venting
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
See More

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17591)

Keyed Alike Locking Fuel Cap

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.

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

Carquest Premium – Locking Fuel Tank Cap (Part No.10594)

Locking Fuel Tank Cap

from

$19.99
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
See More

Carquest Premium – Non-Locking Fuel Tank Cap (Part No.10819)

Non-Locking Fuel Tank Cap

from

$16.99
Product Features:
  • Passes all state and federal emissions tests
  • 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
See More

Carquest Premium – Locking Fuel Cap: Push In, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10571)

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

from

$25.99
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
See More

Carquest Premium – Locking Fuel Tank Cap (Part No.10517)

Locking Fuel Tank Cap

from

$20.99
Product Features:
  • Protects your fuel from theft and vandalism
  • 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
See More

Carquest Premium – Locking Fuel Tank Cap (Part No.10507)

Locking Fuel Tank Cap

from

$22.99
Product Features:
  • Protects your fuel from theft and vandalism
  • 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
See More

Carquest Premium – Locking Fuel Cap (Part No.10516)

Locking Fuel Cap

from

$16.49
Deters vandalism and fuel theft. 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
See More

Carquest Premium – Non-Locking Fuel Tank Cap (Part No.10836)

Non-Locking Fuel Tank Cap

from

$17.79
Product Features:
  • Manufactured from durable, long-life materials
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
See More

Carquest Premium – Fuel Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10646)

Fuel Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

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.

Product Features:
  • 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
See More

Carquest Premium – Locking Fuel Cap: 10492, Push Fit, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10492)

Locking Fuel Cap: 10492, Push Fit, Direct Fit, Provides Tight Seal, 1 Pack

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.

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
See More

Carquest Premium – Gas Cap: Twist On, Reduces Air Pollution, 1 Pack (Part No.10817)

Gas Cap: Twist On, Reduces Air Pollution, 1 Pack

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.

Product Features:
  • 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
See More

Carquest Premium – Fuel Cap (Part No.10807)

Fuel Cap

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.

Product Features:
  • 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
See More

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17505)

Keyed Alike Locking Fuel Cap

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.

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

Motorad – Non-Locking Tethered Fuel Tank Cap (Part No.MGC817T)

Non-Locking Tethered Fuel Tank Cap

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.

Product Features:
  • Come pre-assembled for quick and easy installation.
  • Several fastener options to work with any fuel cap compartment configuration
  • Fits vehicles orginally equipped with tether
  • Reduces air pollution with proper sealing and venting
  • Manufactured from durable, long-life materials
See More

Most Popular Gas Caps for 1999 Pontiac Firebirds

Enhance your 1999 Pontiac Firebird with one of the 5 Gas Caps we have in stock, starting at just $17.79.

Carquest Premium – Non-Locking Fuel Tank Cap (Part No.10836)

Non-Locking Fuel Tank Cap

from

$17.79
Product Features:
  • Manufactured from durable, long-life materials
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
See More

Carquest Premium – Locking Fuel Tank Cap (Part No.10506)

Locking Fuel Tank Cap

from

$24.99
Product Features:
  • Protects your fuel from theft and vandalism
  • 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
See More

Carquest Premium – Locking Fuel Tank Cap (Part No.10522)

Locking Fuel Tank Cap

from

$22.99
Product Features:
  • Reduces air pollution with proper sealing and venting
  • 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
See More

Motorad – Non-Locking Tethered Fuel Tank Cap (Part No.MGC834T)

Non-Locking Tethered Fuel Tank Cap

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.

Product Features:
  • Come pre-assembled for quick and easy installation.
  • Several fastener options to work with any fuel cap compartment configuration
  • Fits vehicles orginally equipped with tether
  • Reduces air pollution with proper sealing and venting
  • Manufactured from durable, long-life materials
See More

Carquest Premium – Locking Fuel Tank Cap (Part No.10517)

Locking Fuel Tank Cap

from

$20.99
Product Features:
  • Protects your fuel from theft and vandalism
  • 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
See More

Top-Rated Gas Cap Brands For Your 1999 Pontiac Firebird

When it comes to finding the perfect Gas Cap for your 1999 Pontiac Firebird, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Gas Cap brands including Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $17.79. Purchasing a Gas Cap from us here at Advance Auto Parts is a smart move for both you and your 1999 Pontiac Firebird, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 1999 Pontiac Firebird Gas Caps

If you’re looking for a top-quality Gas Cap for your 1999 Pontiac Firebird, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Gas Caps. We have 2 Carquest Premium Gas Caps in stock for this fitment, all known for their durability and precision fit. With prices starting at just $17.79 and an average cost of $21.39, you’ll find the perfect Gas Cap for your needs and budget. Carquest Premium Gas Caps for the 1999 Pontiac Firebird come highly rated, with over 175 customer reviews and an impressive average rating of 4.4 stars. Choosing a Carquest Premium Gas Cap from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Non-Locking Fuel Tank Cap
from $17.79
(139)
Non-Locking Fuel Tank Cap
“fit A+”
Locking Fuel Tank Cap
from $24.99
(36)
Locking Fuel Tank Cap
“It really locks!!!”

FAQs for 1999 Pontiac Firebird Gas Caps

What are the best-selling Gas Caps for 1999 Pontiac Firebirds?

Out of 5 Gas Caps that fit 1999 Pontiac Firebirds, the following parts are the top sellers:

What’s the price range for 1999 Pontiac Firebird Gas Caps?

The prices of Gas Caps for the 1999 Pontiac Firebird range from $17.79 up to $24.99 for the most premium parts.

What is the average price of a Gas Cap for a 1999 Pontiac Firebird?

The average price for Gas Caps for the 1999 Pontiac Firebird is $22.35. 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 Pontiac Firebird model years?

Yes, we carry Gas Caps for 34 model years of Pontiac Firebirds between 1967 and 2002. The following model years are the most popular for Gas Cap purchases: 2002, 2001, 2000, 1998, 1997, 1996, 1995, 1994, and 1993.

What are the cheapest Gas Caps for my 1999 Pontiac Firebird?

The cheapest 1999 Pontiac Firebird Gas Caps we carry are:

Does Advance Auto Parts sell Gas Caps for any other 1999 Pontiac models?

Yes. We stock Gas Caps for 4 other popular 1999 Pontiac models. Some of the most popular are 1999 Grand Prix Gas Caps, 1999 Bonneville Gas Caps, 1999 Grand Am Gas Caps, 1999 Montana Gas Caps, and 1999 Sunfire Gas Caps.

What are the top-rated Gas Caps that fit the 1999 Pontiac Firebird?

The one 1999 Pontiac Firebird Gas Cap we have in stock is the Non-Locking Fuel Tank Cap. It is rated 4.5 stars and costs $17.79.

What types of Gas Caps do you sell for my 1999 Pontiac Firebird?

We currently have just 1 Gas Cap in stock for a 1999 Pontiac Firebird, and as of 11/2/25, it is a Gas Cap.

Can I get help with 1999 Pontiac Firebird Gas Cap orders?

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

What is your return policy for Pontiac Firebird Gas Caps?

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