$5.30 $8.88
Walmart has the Prestone 1-Gallon Extended Life Prediluted Antifreeze/Coolant (AF2100) for $5.30 with free in-store pickup or $5.99 shipping; free shipping on $35+.
$5.30 retail: $8.88
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Comments & Reviews (7)

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smartadze
Ben's cred: 140
Posted 08/18/2018 at 07:25 AM PT
Posted 08/18/2018 at 07:25 AM PT

Per-diluted? LMAO - you're paying $3 for a half-gallon of water :-)

Anti-freeze is a scam anyway - the 50/50 rule is a myth. Read the label and use ONLY as much as your temperature requires. Water is a far better coolant than anti-freeze (it's there only to keep the water from freezing and corroding aluminum). Use as little as possible. Oh, and NEVER use distilled water.
barryk
Ben's cred: -541
Posted 08/18/2018 at 08:15 AM PT
Posted 08/18/2018 at 08:15 AM PT
But Antifreeze is so relatively cheap, why worry about any of that? Just follow the time proven tradition and play it safe.... No?
dave_c
Ben's cred: 5862
Posted 08/18/2018 at 09:29 AM PT
Posted 08/18/2018 at 09:29 AM PT


Quote smartdaze, "Water is a far better coolant than anti-freeze (it's there only to keep the water from freezing and corroding aluminum). Use as little as possible. Oh, and NEVER use distilled water."

Save $20 on AF then pay $450 to have your prematurely failed radiator replaced? Granted you can DIY for around $160 depending on the vehicle.

AF also lubricates the water pump o-ring seal so add that to the repair cost too.
swreynolds
Ben's cred: 1300
Posted 08/18/2018 at 01:21 PM PT
Posted 08/18/2018 at 01:21 PM PT
Concentrated antifreeze gallon is $10.87 at
Walmart
, so this diluted version is slightly cheaper.
DEguy
Ben's cred: 192
Posted 08/18/2018 at 04:25 PM PT
Posted 08/18/2018 at 04:25 PM PT
Be sure any coolant you buy is the correct type for you particular engine make. For instance, if you have a Toyota product, you should probably be using red HOAT coolant, VW pink HOAT, older GM and Chrysler, probably IAT. Those are usually green. If you don't know, look it up. Don't mix types (some exceptions).
JargonBargain
Ben's cred: -4
Posted 08/19/2018 at 02:45 AM PT
Posted 08/19/2018 at 02:45 AM PT
He's right ya know...
Crash And Burn
Ben's cred: 574
Posted 08/20/2018 at 11:10 AM PT
Posted 08/20/2018 at 11:10 AM PT
A lot of premixed anti-freeze is recycled anti-freeze. I don't know if they have to state it. If done right not supposed to be a problem. Being Prestone I don't know if its recycled but if so I would assume it was done correctly but I would rather not risk it. I'd get a gallon of concentrate and a gallon of distilled water. Then I know what I'm getting.