Porsche 928 Radiator Caps

Your Porsche 928 will be happy to know that the search for the right Radiator Caps you’ve been looking for is over! Advance Auto Parts has 6 different Radiator Caps for your vehicle, ready for shipping or in-store pick up. The best part is, our Porsche 928 Radiator Caps start from as little as $9.79.

When it comes to your Porsche 928, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Radiator Caps brands so you can shop with complete confidence. Some of our top Radiator Caps brands are Carquest Premium and Mr. Gasket. We’re sure you will get the right product to keep that 928 running for a long time.

We even have reviews of our OEM and aftermarket Radiator Caps products to help you buy with confidence. Hear from other customers via the 1,966 reviews on parts for your Porsche 928.

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 Radiator Caps for your 928, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 10 Porsche Radiator Caps

Carquest Premium – Radiator Cap: 13 PSI (Part No.10329)

Radiator Cap: 13 PSI

from

$10.49
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:
  • 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
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Carquest Premium – Radiator Cap: 16 PSI (Part No.10230)

Radiator Cap: 16 PSI

from

$9.79
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:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Carquest Premium – Radiator Cap: 13 PSI (Part No.10229)

Radiator Cap: 13 PSI

from

$9.79
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:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Mr. Gasket – Thermocap Radiator Cap (Part No.2471S)

Thermocap Radiator Cap

from

$47.99
Knowing your coolant temperature can help to prevent burn injuries. Thermocap Cap, with its built-in calibrated thermometer, indicates the coolant temperature. This is useful information prior to cap removal. Never attempt to remove Thermocap Cap when the coolant temperature is very hot. The escaping hot coolant and steam may burn you. Reclamation valve works great with your coolant recovery system. Your radiator can reclaim coolant from your overflow bottle. Wide 30 degree to 270 degree F temperature range. Calibrated in centigrade and Fahrenheit. Color-coded temperature ranges.

Product Features:
  • Indicates Coolant Temperature
  • Helps to Prevent Injuries from coolant or steam burns
  • Integrated Coolant Reclamation Valve
  • Improves Underhood Appearance
  • Fahrenheit and centigrade readings
  • Various valve pressures available
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Carquest Premium – Radiator Cap: 16 PSI (Part No.10226)

Radiator Cap: 16 PSI

from

$9.99
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:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Mr. Gasket – Thermocap Radiator Cap (Part No.2476BK)

Thermocap Radiator Cap

from

$48.09
The fastest, easiest way to know exactly when it’s safe to open your radiator cap. ThermoCap, with its built-in calibrated thermometer, indicates the coolant temperature.

Product Features:
  • Indicates coolant temperature
  • Helps prevent coolant injuries
  • Fahrenheit and centigrade readings
  • Color-coded temperature ranges
  • Integrated coolant reclamation valve
  • Improves under-hood appearance
  • Chromed crown with a colored trim ring
See More

Mr. Gasket – Thermocap Radiator Cap (Part No.2471B)

Thermocap Radiator Cap

from

$46.99
The fastest, easiest way to know exactly when it’s safe to open your radiator cap. ThermoCap, with its built-in calibrated thermometer, indicates the coolant temperature.

Product Features:
  • Indicates coolant temperature
  • Helps prevent coolant injuries
  • Fahrenheit and centigrade readings
  • Color-coded temperature ranges
  • Integrated coolant reclamation valve
  • Improves under-hood appearance
  • Chromed crown with a colored trim ring
See More

Mr. Gasket – Thermocap Radiator Cap (Part No.2470B)

Thermocap Radiator Cap

from

$47.19
The fastest, easiest way to know exactly when it’s safe to open your radiator cap. ThermoCap, with its built-in calibrated thermometer, indicates the coolant temperature.

Product Features:
  • Indicates coolant temperature
  • Helps prevent coolant injuries
  • Fahrenheit and centigrade readings
  • Color-coded temperature ranges
  • Integrated coolant reclamation valve
  • Improves under-hood appearance
  • Chromed crown with a colored trim ring
See More

Febi – Expansion Tank Cap (Part No.G1040343540FEB)

Expansion Tank Cap

from

$35.02
The Febi Expansion Tank Cap is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Reutter – Expansion Tank Cap (Part No.G1040180209REU)

Expansion Tank Cap

from

$10.99
Expansion Tank Cap

FAQs for Porsche 928 Radiator Caps

What are the most popular Radiator Caps for the Porsche 928?

With 2 brands you can trust, our most popular Radiator Caps for the Porsche 928 are:
Radiator Cap: 13 PSI
from $9.79
(51)
Radiator Cap: 13 PSI
Radiator Caps
Radiator Cap: 13 PSI
from $10.49
(48)
Radiator Cap: 13 PSI
Radiator Caps
Thermocap Radiator Cap
from $48.09
This product is not rated
Thermocap Radiator Cap
Radiator Caps

What are the best aftermarket Radiator Caps for the Porsche 928?

See what past customers had to say about our highest-rated Radiator Caps for the Porsche 928:
Thermocap Radiator Cap
from $47.99
(17)
Thermocap Radiator Cap
“Worth the money if only for the looks. And will tell you the temp outside”