STI Radiator Cap Performance Parts Information at Carlsen Subaru serving San Francisco, CA

Keep Your Subaru Cool with an STI Performance Radiator Cap from Carlsen Subaru South of San Francisco, CA

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The BOXER® engine in your Subaru has a big job, and that can mean a lot of heat. The last thing you need is for your powerful Subaru to overheat when stuck in Bay Area traffic or in the last few turns during a track day. Fortunately, we have a great solution with a genuine STI performance radiator cap made specifically for your select Subaru model. This radiator cap increases the cooling system pressure from 13 psi or .9 bar to 18.9 pounds or 1.3 bar.

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Why Upgrade Your Subaru Coolant System with a Performance Radiator Cap?

The increased pressure means a higher boiling point for the coolant allowing it to continue cooling the engine without boiling over and possibly making a mess on the road under your wheels. Thanks to the stronger spring in this STI performance radiator cap, your coolant system can handle more heat before releasing into the overflow tank or road. Not only will your Subaru engine be less likely to overheat during more spirited driving, this performance radiator cap is also a matter of safety since it is less likely that your coolant will find its way to the ground making for a slippery situation.

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What Models will this STI Performance Radiator Cap Work On?

This high-pressure performance STI radiator cap is made for a variety of Subaru WRX models built since 2002 as well as select Forester models made for model years 2004-2008.

Contact Carlsen Subaru in Redwood City, CA for Your Subaru Performance Parts

You'll find our inventory of genuine Subaru parts, accessories, and products in our online parts store, including Subaru performance parts like these. Feel free to place your order online, or simply come see us in person at 480 Veterans Blvd, Redwood City, CA 94063.

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Why Get Genuine Subaru Parts & Accessories from Carlsen Subaru Near San Mateo, CA?

The renowned engineering in your Subaru is unlike anything else on the road, and that makes it especially important to trust the same quality parts that are installed at the factory. That's exactly what you'll find in our parts department at Carlsen Subaru. Here, parts experts have the experience and knowledge to get you the right part the first time. What's more, our regularly updated parts and accessory special offers make it even easier to keep up with your Subaru maintenance, service, and repair. If you'd rather leave installation to the professionals, the technicians in our service center are among the best in the business. Find out more in our parts information pages, and see how else you can improve your Subaru with information on performance parts pages like this one. At Carlsen Subaru, we're proud to serve customers from Fremont and Oakland, CA, and we look forward to showing you a better dealership experience!

Carlsen Subaru

480 Veterans Blvd
Directions Redwood City, CA 94063

  • Sales: 650-365-6390
  • Service : 650-365-6390
  • Parts: 650-365-2600


  • Monday 07:30am - 05:30pm
  • Tuesday 07:30am - 05:30pm
  • Wednesday 07:30am - 05:30pm
  • Thursday 07:30am - 05:30pm
  • Friday 07:30am - 05:30pm
  • Saturday Closed
  • Sunday Closed

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Map DataMap data ©2017 Google
Map data ©2017 Google