Pontiac GTO Coolant Reservoir Caps
Your Pontiac GTO will be happy to know that the search for the right Coolant Reservoir Caps you’ve been looking for is over! Advance Auto Parts has 3 different Coolant Reservoir Caps for your vehicle, ready for shipping or in-store pick up. The best part is, our Pontiac GTO Coolant Reservoir Caps start from as little as $12.99.
When it comes to your Pontiac GTO, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Coolant Reservoir Caps brands so you can shop with complete confidence. Some of our top Coolant Reservoir Caps brands are Carquest Premium and ACDelco. We’re sure you will get the right product to keep that GTO running for a long time.
We even have reviews of our OEM and aftermarket Coolant Reservoir Caps products to help you buy with confidence. Hear from other customers via the 975 reviews on parts for your Pontiac GTO.
Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Coolant Reservoir Caps for your GTO, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!
Compare 25 Pontiac Coolant Reservoir Caps
Carquest Premium – Radiator Cap: 20 PSI (Part No.10271)
from
$19.79
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
Product Features:
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Product Features:
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.82597)
from
$15.49
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
Product Features:
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Product Features:
- Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
- Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
- Seamless fit – reverse-engineered from the original equipment to fit perfectly
- Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
Carquest Premium – Engine Coolant Reservoir Cap (Part No.10239)
from
$8.29
Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.
Product Features:
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Product Features:
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
Carquest Premium – Engine Coolant Reservoir Cap (Part No.10259)
from
$14.29
Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.
Product Features:
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Product Features:
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
Dorman – Help – Engine Coolant Reservoir Cap: Spring Loaded Twist, Plastic, 1 Pack (Part No.54221)
from
$18.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
Product Features:
See More
Product Features:
- Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
- Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
- Seamless fit – reverse-engineered from the original equipment to fit perfectly
- Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.54217)
from
$21.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
Product Features:
See More
Product Features:
- Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
- Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
- Seamless fit – reverse-engineered from the original equipment to fit perfectly
- Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
Carquest Premium – Radiator Cap: 15 PSI (Part No.10248)
from
$14.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
Product Features:
See More
Product Features:
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
Carquest Premium – Radiator Cap: 16 PSI (Part No.10330)
from
$13.49
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
Product Features:
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Product Features:
- Safety lever to vent coolant pressure before removal
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.82590)
from
$5.79
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
Product Features:
See More
Product Features:
- Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
- Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
- Seamless fit – reverse-engineered from the original equipment to fit perfectly
- Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
Carquest Premium – Radiator Cap: 18 PSI (Part No.10269)
from
$18.29
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
Product Features:
See More
Product Features:
- Maintains proper cooling system pressure
- Easy installation and removal
- Meets all OEM specifications
- 100% tested to ensure proper pressure and longevity
Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.82594)
from
$11.29
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
Product Features:
See More
Product Features:
- Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
- Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
- Seamless fit – reverse-engineered from the original equipment to fit perfectly
- Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
Carquest Premium – Engine Coolant Reservoir Cap (Part No.10236)
from
$9.49
Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.
Product Features:
See More
Product Features:
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
Dorman – Help – Engine Coolant Reservoir Cap: Flip Top, Plastic, 1 Pack (Part No.82724)
from
$13.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
Product Features:
See More
Product Features:
- Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
- Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
- Seamless fit – reverse-engineered from the original equipment to fit perfectly
- Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
Carquest Premium – Engine Coolant Reservoir Cap (Part No.10257)
from
$12.99
Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.
Product Features:
See More
Product Features:
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
Dorman – Help – Engine Coolant Reservoir Cap: Flip Top, Plastic, 1 Pack (Part No.82601)
from
$15.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
Product Features:
See More
Product Features:
- Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
- Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
- Seamless fit – reverse-engineered from the original equipment to fit perfectly
- Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
Dorman – HD Solutions – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.902-5601)
from
$23.79
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
Product Features:
See More
Product Features:
- Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
- Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
- Seamless fit – reverse-engineered from the original equipment to fit perfectly
- Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
Carquest Premium – Engine Coolant Reservoir Cap (Part No.10240)
from
$5.99
Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems.
Product Features:
See More
Product Features:
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.82596)
from
$5.99
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
Product Features:
See More
Product Features:
- Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
- Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
- Seamless fit – reverse-engineered from the original equipment to fit perfectly
- Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
Carquest Premium – Engine Coolant Reservoir Cap (Part No.10261)
from
$23.99
Allows you to test the cooling system and your radiator pressure cap
Product Features:
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Product Features:
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
ACDelco – GM Original Equipment Expansion Tank Cap (Part No.G1040210791ACD)
from
$21.23
An ACDelco GM Original Equipment Expansion Tank Cap is a spring loaded cap that seals the radiator filler neck or surge tank, and is a GM-recommended replacement for your vehicle’s original component. It maintains pressure on the cooling system while the engine is operating, which raises the boiling point of the engine coolant. It also replenishes the system with coolant from the expansion tank (if equipped) when the engine cools off. This original equipment radiator cap has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Get the GM quality you know and trust with ACDelco GM Original Equipment Thermostats and Caps. Stay with the brand of parts your General Motors vehicle came with and get peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Thermostats and Caps are engineered for virtually every model of GM car, light duty truck, and sport utility vehicle.
Product Features:
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Product Features:
- Seal and maintain pressure on the cooling system for vehicle safety
- Raise the boiling point of the engine coolant to maintain efficiency
- Fit most models of GM vehicles for expanded coverage
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
Dorman – Help – Engine Coolant Reservoir Cap: Flip Top, Plastic, 1 Pack (Part No.54215)
from
$16.29
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.
Product Features:
See More
Product Features:
- Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
- Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
- Seamless fit – reverse-engineered from the original equipment to fit perfectly
- Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
Dorman – Expansion Tank Cap (Part No.G1040691091DOR)
from
$9.40
Dorman offers a variety of Engine Coolant Recovery Tank Caps for a range of applications. All Dorman Engine Coolant Recovery Tank Caps are constructed of high-quality plastic. They effectively protect the cooling system by providing a tight seal against the elements.
Product Features:
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Product Features:
- Save time, money and labor by replacing only the Cap – instead of the entire Engine Coolant Recovery Tank
- Direct replacement for a proper fit every time
- A necessary safety item – prevents coolant from splashing and/or leaking
- Available in diverse styles, including screw-on and snap-on
Dorman – Dorman Expansion Tank Cap (Part No.G1040308133DOR)
from
$7.91
Dorman offers a variety of Engine Coolant Recovery Tank Caps for a range of applications. All Dorman Engine Coolant Recovery Tank Caps are constructed of high-quality plastic. They effectively protect the cooling system by providing a tight seal against the elements.
Product Features:
See More
Product Features:
- Save time, money and labor by replacing only the Cap – instead of the entire Engine Coolant Recovery Tank
- Direct replacement for a proper fit every time
- A necessary safety item – prevents coolant from splashing and/or leaking
- Available in diverse styles, including screw-on and snap-on
ACDelco – Professional Expansion Tank Cap (Part No.G1040583637ACD)
from
$7.27
An ACDelco Professional, premium aftermarket Standard Type Radiator Cap is the ideal high quality replacement for your GM vehicle. It seals and pressurizes your vehicle’s cooling system as the radiator transfers heat from the engine’s coolant to the outside air. This premium aftermarket replacement standard type radiator cap is manufactured to meet or exceed your expectations for fit, form, and function. ACDelco Professional, premium aftermarket Thermostats and Caps offer you an ideal replacement for your worn GM Original Equipment part. Engineered to work with your car, truck, or SUV, ACDelco has a thermostat or cap for virtually any GM vehicle on the road today. ACDelco Professional, premium aftermarket Thermostats and Caps give you our legendary quality at a competitive price.
Product Features:
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Product Features:
- Fit most models of GM vehicles on the road today for more coverage
- Seal and pressurize your vehicle’s cooling system as the radiator transfers heat from the engine’s coolant to the outside air
- Professional, premium aftermarket replacement radiator cap
- Provides the performance and dependability you expect from ACDelco
- Manufactured to meet expectations for fit, form, and function
Dorman – Dorman Expansion Tank Cap (Part No.G1040206055DOR)
from
$6.90
Dorman offers a variety of Engine Coolant Recovery Tank Caps for a range of applications. All Dorman Engine Coolant Recovery Tank Caps are constructed of high-quality plastic. They effectively protect the cooling system by providing a tight seal against the elements.
Product Features:
See More
Product Features:
- Save time, money and labor by replacing only the Cap – instead of the entire Engine Coolant Recovery Tank
- Direct replacement for a proper fit every time
- A necessary safety item – prevents coolant from splashing and/or leaking
- Available in diverse styles, including screw-on and snap-on
FAQs for Pontiac GTO Coolant Reservoir Caps
What are the most popular Coolant Reservoir Caps for the Pontiac GTO?
With 2 brands you can trust, our most popular Coolant Reservoir Caps for the Pontiac GTO are:
from
$21.23
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GM Original Equipment Expansion Tank Cap
Coolant Reservoir Caps
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