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Overview
  • How are reviewers describing this item?
    still, great and good.
  • Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
  • Our engine has discovered that over 80% high quality reviews are present.
  • This product had a total of 93 reviews as of our last analysis date on Jul 11 2019.
Details

BETA

Most positive reviewquestion

Great product at a great price.

Least positive reviewquestion

WORKED FIRST TIME USED ONLY 8 OZ. HASEN'T LEAKED SENCE.

Most authentic reviewquestion

I don't normally write reviews but this stuff works as advertised. I put it in a 1996 C3500 6.6 Diesel with 229,000 miles on it...  Read More

Least authentic reviewquestion

Not enough review data to provide meaningful insight.


Helpful Insights

BETA

    Posted by a reviewer on Amazon

    I was sure i was going to have to put new head gaskets in the motor but after putting k-seal hd in and letting the motor idle for about one hour the white smoke was getting less and less and finally the white smoke stopped.


    Posted by a reviewer on Amazon

    Changed head gaskets anyway, a head bolt came up with odd rusty pitting on its starting thread- showing the possibility of a bad spot in the block.


    Posted by a reviewer on Amazon

    Needed to use the vehicle and could not guarantee that it needed a full motor rebuild over this.


    Posted by a reviewer on Amazon

    Compression test results still looked the same,so i tried k seal.


    Posted by a reviewer on Amazon

    Fixed a problem no mechanic would attempt fix without $700 upfront with no promise to have a fix.


    Posted by a reviewer on Amazon

    The dealer quoted a $4800 repair and a several day repair assessment.


    Posted by a reviewer on Amazon

    A short, panicked trip to the carquest store and an employee offered free small sample of k-seal, which we accepted in disbelief and great anticipation, was our only hope, both financially and within our closing time frame, of returning back home quickly, with our vehicle, which had just expired it's dealership warrantee.

Review Count History
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Price History
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