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Four Seasons 69991 Dura II Flush Solvent - 1 Qt

4.5 out of 5 stars 18 customer reviews

Price: $32.48 & FREE Shipping on orders over $49. Details
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  • Four Seasons 69991 Dura II Flush Solvent - 1 Qt [Automotive]
7 new from $27.11
$32.48 & FREE Shipping on orders over $49. Details Only 9 left in stock (more on the way). Ships from and sold by Amazon.com.

Frequently Bought Together

  • Four Seasons 69991 Dura II Flush Solvent - 1 Qt
  • +
  • FJC 2710 A/C System Flush Kit
  • +
  • FJC 2484 PAG Oil - 8 fl. oz.
Total price: $72.89
Buy the selected items together

Product Information

Technical Details

Brand Four Seasons
Item Weight 2.1 pounds
Product Dimensions 9.1 x 3.7 x 3.6 inches
Item model number 69991
Manufacturer Part Number 69991

Additional Information

ASIN B000E0Z6NM
Customer Reviews
4.5 out of 5 stars 18 customer reviews

4.5 out of 5 stars
Best Sellers Rank #125,129 in Automotive (See top 100)
#1 in Automotive > Oils & Fluids > Flushes > Filter
Shipping Weight 2.1 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available July 7, 2004

Warranty & Support

Warranty, Parts:Parts
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Product Description

Four Seasons 69991 Chemical

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
Great stuff. Cleaned nice and dried quick. Every site I read urged using this product as being the only one you need. I would agree. My system had been filed with that green dye. Air is ICE COLD on 90+ days.
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Verified Purchase
I replaced the compressor, accumulator, orifice tube, oil and flushed the system using only four seasons parts. They are well built and made in Texas. System will produce 40 degree air on a very hot day (100+) in TX and even colder if below 95. Compressor had a bit of wear in on the gap between the pulley and the plate that drives the compressor shaft. When not engaged the plate rubbed slightly against the pully creating a scrapping sound. Only happened when compressor off... It has worn in now and no longer makes this sound. I would rate the value of the parts very high as I paid $68 for the rebuilt compressor and it was $268 at the local parts store. I would only buy four seasons parts and I would get them from Amazon. Four stars because of the scrapping and I am rating all parts as a "package." Would have been five stars and maybe it will be down the road.
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Verified Purchase
Work seasonally on auto HVAC and this flush agent is a must for removing years of oil varnish, crud and whatnot from lines, hoses and components. Gets everything super clean for re-oiling and recharge. Leaves no residue, evaporates quickly (read as need ventilation). Just responsibly dispose of the refuse and you are all good.
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Verified Purchase
I used the 59024 flush gun and flushed out each component as directed. Worked well but I had to get another bottle of this locally because I needed just a bit more to do my truck.

If I was a bit more careful and conservative in the beginning one can might of worked. I spilled a bit when pouring into the flush gun.
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Verified Purchase
This was great flush solvent, but it comes in an enormous can for a very limited amount of product. I could've ordered at least 4 cans of this for the flush job I was doing. Unfortunately I had to make due with what I could find locally to finish the job.
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I do a lot of AC work in our shop and this is the only recommended and proven flush to use. Yes, it is pricey but it works and does not leave any harmful residue that can destroy o rings and seals. Dura flush II is actually HCFC 141b. It has excellent cleaning abilities, a high evaporation rate, and no flash point.

The flush gun/system I use is the Four Seasons 59172. It is more expensive than a cheaper kit than the FJC 2710 or similar kits but it comes with an air regulator and line attachment which makes it easy to connect to the component and let it flush without the need for someone to constantly hold the flush lever while in use.

AC work is not cheap; if you want cold air and an ac system that is reliable, it is necessary to spend the $s to do it right or you will be spending the $s again to make another repair.
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Verified Purchase
Used this yesterday and worked fine. Previous experience with this product and the best (in my opinion) on the market. Unfortunately the evaporator then sprung a leak. A/C systems on 15 year old vehicles - UUGH! This is a good A/C system flush product.
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Verified Purchase
Its AC Flush I can only work one way! Fours Seasons Compressor kit was installed and the the system was flushed before installing it... R134 AC system is blowing 36 degrees at the vents so i would say it did it's job.

Thank you! Great Product!
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