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Description
STI RADIATOR CAP For SUBARU BRZ (ZC) ST45137ZA000Brand STI Product RADIATOR CAP Product Number ST45137ZA000 Description This product allows a higher valve opening pressure when compared to the standard model. Therefore, it reduces the risk of overflow caused by the thermal expansion of coolant water even under severe conditions such as sports driving or circuit driving. Compatible Vehicle SUBARU BRZ (ZC) Compatible Models Model adaptation symbol: A 2012 03 2013 09 RA (RWD 6MT) ___ RA Racing (RWD
| Brand | STI |
| Product | RADIATOR CAP |
| Product Number | ST45137ZA000 |
| Description | This product allows a higher valve opening pressure when compared to the standard model. Therefore, it reduces the risk of overflow caused by the thermal expansion of coolant water even under severe conditions such as sports driving or circuit driving. |
| Compatible Vehicle | SUBARU BRZ (ZC) |
| Compatible Models |
Model adaptation symbol: A 2012/03 / -2013 / 09 / RA (RWD / 6MT) ___ RA Racing (RWD / 6MT) ___ R (RWD / 6MT) ___ R (RWD / 6AT) ___ S (RWD / 6MT) ___ S (RWD / 6AT) ___ model adaptation symbol: B 2013/09 / -2014 / 06 / RA (RWD / 6MT) ___ RA Racing (RWD / 6MT) ___ R (RWD / 6MT) ___ R (RWD / 6AT) ___ S (RWD / 6MT) ___ S (RWD / 6AT) ___ model adaptation symbol: C 2014/07 / -2015 / 01 / RA (RWD / 6MT) ___ RA Racing (RWD / 6MT) ___ R (RWD / 6MT) ___ R (RWD / 6AT) ___ S (RWD / 6MT) ___ S (RWD / 6AT) ___ model adaptation symbol: D 2015/02 / -2016 / 07 / RA Racing (RWD / 6MT) ___ R Customize Package (RWD / 6MT ) ___ R Customize Package (RWD / 6AT) ___ R (RWD / 6MT) ___ R (RWD / 6AT) ___ S (RWD / 6MT) ___ S (RWD / 6AT) ___ model adaptation symbol: E 2016/07 / - RA Racing (RWD / 6MT) ___ R CustomizePackage (RWD / 6MT) ___ R (RWD / 6MT) ___ R (RWD / 6AT) ___ S (RWD / 6MT) ___ S (RWD / 6AT) ___ GT (RWD / 6MT) ___ GT Yellow E (RWD / 6MT) ___ GT (RWD / 6AT) ___ GT Yellow E (RWD / 6AT) ___
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| Remarks | * When replacing this product, pay careful attention to leakage of water from the piping, and be sure to inspect the coolant water at the start of work. * This is a GAZOO Racing 86_BRZ one-make race certified part. * The explanation of this product is for Japanese specification. |
| Notes | Images are for illustration purpose only. Actual product may vary. |
Shipping Notes
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Exchange/Return Notes
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4.8 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Comfy and Stay Put
Size: Medium, Color: (002) Black / Black / Halo Gray
These socks are honestly great. They’re super thin and light, so once you have them on, you kind of forget they’re even there. No bulky feeling in your shoes at all.
The best part is they actually stay on. I hate no-show socks that slide down after five minutes, and these don’t do that. The little grip on the heel really works, so you’re not constantly adjusting them all day.
They’re breathable too, which is nice if your feet run warm. They dry fast and don’t get that gross sweaty feeling. And there’s no annoying seam on the toe, so nothing rubs or feels uncomfortable.
Basically, they’re just comfy, stay put, and don’t cause problems — which is all I want from socks.
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Reviewed in the United States on January 16, 2026
★★★★★ 5
Perfect sucks
Size: Medium, Color: (001) Black / Black / Castlerock
Wonderful socks . The weight is perfect !! These do not slip when in a shoe they stay out !!
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Reviewed in the United States on April 14, 2026
★★★★★ 4
Amazing but quality changed
Size: Large, Color: (002) Black / Black / Halo Gray
Love these socks so much, been buying them for about 4 years now!! Not giving them 5 stars anymore because the quality is different and not as good, durable and thick as before.
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Reviewed in the United States on July 10, 2025
★★★★★ 5
The best no show socks
The only no show socks I have ever found that do not slide down. These are very comfortable and the extra tab on the back provides comfort by keeping shoes from rubbing the back of your foot. The top of the sock also comes up high enough to cushion the top of your foot all while still remaining hidden while wearing tennis shoes or even with my hey dudes.
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Reviewed in the United States on November 30, 2025
★★★★★ 5
Great quality and fast shipping
Size: Medium, Color: (001) Black / Black / Castlerock
These socks are tight but after the first wash and dry , they fit perfect and NEVER slide off , ordered a second pack
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Reviewed in the United States on March 24, 2026