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Subaru Soa635071 OEM Coolant System Conditioner

Subaru Soa635071 OEM Coolant System Conditioner

Q: I was wondering if i can use 2 containers instead of 1? i have a a 04 forester and it has a small leak. i used 1 already but did not seal

You can use 2, but it is meant to stop seapage and not stop leaks

Q: Can I add this to my 2000 GMC Jimmy radiator for the same purpose? I figure if it works for Subaru, it should work for other car.

This is just a Subaru labeled version of Holt's Radweld @ holtsauto.com, so check their website for more info. I did some research, and yes, Subaru specifies it for the 2.5L engine, due to a common gasket failure, perhaps to get thru the warranty period before it fails. It is made in England, and contains borax and linseed meal. I used it in my 1992 Firebird, and added two bottles because it has a larger coolant capacity.Holt's claims to contains rust inhibitor, and the sealant particles are not likely to clog your radiator or heater core, so it can be used as a preventative to seal minor leaks, should they occur. I think it is better than other products on the market. The current price here is high, so I would try to find an equivalent product at your local auto parts store.

Q: Can i use this in a 2013 wrx 2.5 turbo or is only for non-turbos?

I was just at a Subaru dealership and was going to buy this along with Subaru coolant for my 2006 WRX 2.5l Turbo, and the parts counter guy double checked with a tech in the back who said he stopped using this with turbo cars, so I didn't buy it. I also don't have any leaks or anything along those lines. I think they used to use this every coolant change as part of it but not anymore on the Turbo models.

4.6/5

Product ID: 731969752

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⚡12V power compatibility

⚖️Lightweight 132g design

🛡️OEM-certified reliability

Frequently Bought Together

Subaru Coolant System Conditioner - SOA635071 - Genuine OEM

Subaru Genuine Super Coolant Blue Prediluted SOA868V9272 1 Gallon Pre Mixed 50/50 2009 and Newer Ascent BRZ Crosstrek Forester Impreza Legacy Outback WRX

EPAuto Spill Proof Radiator Coolant Filling Funnel Kit

Description

🧊 Keep your engine chill with Subaru’s official cooling edge!

DURABLE LIGHTWEIGHT - 132g formula designed for long-lasting protection without added bulk
TRUSTED BRAND ASSURANCE - Backed by Subaru’s official quality standards
PRECISION OEM ENGINEERING - Guaranteed Subaru fit and performance
PLUG AND PLAY COMPATIBILITY - 12V system integration for seamless installation
OPTIMIZED COOLING EFFICIENCY - Maintains ideal engine temperature for peak power

The Subaru Soa635071 OEM Coolant System Conditioner is a lightweight, 132g, 12V-compatible additive engineered by Subaru to optimize your vehicle’s cooling system. Designed for seamless OEM fitment, it ensures reliable temperature regulation and long-term engine protection, making it a must-have for maintaining Subaru’s performance and longevity.

Specifications

Manufacturer	Subaru
Brand	スバル(Subaru)
Item model number	SOA635071
Is Discontinued By Manufacturer	No
OEM Part Number	SOA635071
Voltage	12 Volts
Item Weight	132 g

Have a Question? See What Others Asked

Do I only put in 1 bottle per fluid change/flush?

I was wondering if i can use 2 containers instead of 1? i have a a 04 forester and it has a small leak. i used 1 already but did not seal

Can I add this to my 2000 GMC Jimmy radiator for the same purpose? I figure if it works for Subaru, it should work for other car.

Can i use this in a 2013 wrx 2.5 turbo or is only for non-turbos?

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