1978 Mercedes-Benz 450SL Performance Radiators

Keep Your 1978 Mercedes-Benz 450SL in Top Shape with a Quality Performance Radiator

When it comes to maintaining or upgrading your 1978 Mercedes-Benz 450SL, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Performance Radiator for your 450SL. We currently carry a top Performance Radiator in stock that is built to last. Whether you’re replacing a damaged Performance Radiator or looking to upgrade, our selection for the 1978 Mercedes-Benz 450SL ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Essential 1978 Mercedes-Benz 450SL Performance Radiators

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.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

Most Popular Performance Radiator Cap for 1978 Mercedes-Benz 450SLs

Enhance your 1978 Mercedes-Benz 450SL with this popular Performance Radiator Cap we have in stock, for $47.19.

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

FAQs for 1978 Mercedes-Benz 450SL Performance Radiators

What’s the price range for 1978 Mercedes-Benz 450SL Performance Radiators?

We currently have just one Performance Radiators for the 1978 Mercedes-Benz 450SL in stock: Thermocap Radiator Cap and it costs $47.19.

Does Advance Auto Parts sell Performance Radiators for other Mercedes-Benz 450SL model years?

Yes, we carry Performance Radiators for 6 model years of Mercedes-Benz 450SLs between 1973 and 1980. The following model years are the most popular for Performance Radiator purchases: 1980, 1979, 1977, 1976, 1975, 1974, and 1973.

Does Advance Auto Parts sell Performance Radiators for any other 1978 Mercedes-Benz models?

Yes. We stock Performance Radiators for 6 other popular 1978 Mercedes-Benz models. Some of the most popular are 1978 230 Performance Radiators, 1978 450SEL Performance Radiators, 1978 300SD Performance Radiators, 1978 300D Performance Radiators, and 1978 240D Performance Radiators.

What types of Performance Radiators do you sell for my 1978 Mercedes-Benz 450SL?

We currently have just 1 Performance Radiator in stock for a 1978 Mercedes-Benz 450SL, and as of 4/10/25, it is a Performance Radiator Cap.

Can I get help with 1978 Mercedes-Benz 450SL Performance Radiator orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercedes-Benz Performance Radiators and more.

What is your return policy for Mercedes-Benz 450SL Performance Radiators?

Advance Auto Parts keeps returns simple. For new Mercedes-Benz 450SL Performance Radiators and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.