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Rex
Reviewed in the United States on February 21, 2025
Nice adapter
Tonya
Reviewed in the United States on August 9, 2024
It fits as you'd expect. Made testing compression easy. Sealed up well. Great adapter to have.
Rob M.
Reviewed in the United States on May 31, 2024
I use this in the equipment I have with 10mm spark plugs, most compression guages are 14mm, this will adapt, this is best used for leak down and not compression.
Steph's Reviews
Reviewed in the United States on December 6, 2024
This item arrived as advertised. The adapter works with my compression tester. It is heavy duty, made of steel and coated with copper, to make it look like brass, but it isn't. No problems noted at this time.As with all my reviews when I have only confirmed receipt of item, unboxed and inspected it to make sure the item is as advertised, I will update the review if any issues are noted upon installation, or if it fails to meet expectations.
Aircraft Mechanic
Reviewed in the United States on November 28, 2024
The internal thread of this item didn’t fit any known fitting. Contact with the supplier was attempted three times by email asking what the threads were. There was no reply. The thread to conduct compression test for aircraft require a 1/4 NPT pipe thread for an air supply connection. Therefore this item could not be used.
I know more
Reviewed in the United States on November 14, 2024
Threaded portion not long enough and body too wide to fit in plug well. I need a longer thread.
Emanuel Poulos
Reviewed in the United States on October 12, 2024
I bought these to make low clearance adapters for a compression test on an engine with headers. They worked well, but a hex in place of the knurl would work better.
Eric
Reviewed in the United States on April 1, 2024
My M12 adaptor for my cylinder leakdown tester went AWOL. This adaptor screwed right on and didn't cost tool truck prices! Perfect!
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