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Your cart is empty.Stant's Cooling System Tester tests up to 30 pound cooling systems and pressure caps part number 12270. It lets you test todays vehicles higher pressure cooling systems and caps. The genuine Stant repair parts let you repair your tester for years of productive use. The quality parts are made specifically for Stant tester and are available individually for your convenience.
GMSmith
2025-08-29 17:45:21
My Stant cooling system pressure tester would not hold pressure. I took it apart and found the check valve not working. I purchased this in hopes of getting it working again. I had lent it to a friend and he had damaged it. The new check valve did the trick and it held pressure again to test cooling systems and radiator caps. Bottom line, it works great again, but I will not be lending tools out any more.
Customer
2025-08-22 12:34:08
Great to have my tester back in operation….did the trick.
Robert Mitchell
2025-06-24 14:51:26
Exact fit. Worked just like original
Larry
2025-06-11 14:01:40
GREAT PRODUCT, GREAT SELLER
Mongrell
2025-04-07 09:35:32
nice to find repair parts for test equipment.
R. Levine
2025-03-19 17:37:18
found these pieces on Amazon, I have a 30+ year old Stant cooling system pressure tester that wouldn't build pressure anymore. this and a few other parts from Amazon and I now have a tester updated to fit the newer high pressure cooling systems for less than half the cost of a new one and took a total of 10 minutes to repair, most excellent
mark j. lemker
2024-12-11 15:25:07
Genuine part works as it should
luckyleo66
2024-11-26 10:45:19
Used to rebuild a older pressure tester I have had for years.Tester back to life now.
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