OEM/Compression Tester Gauge Set

Not Vehicle Specific
Part Number: 27138
Warranty: 3 MO
In Stock
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Ships within 1 business days.
Price: $40.00
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Features & Benefits

OEM automotive specialty tools are designed to perform day after day in any environment. Our engineers design tools that maximize both performance and budget. OEM tools out-perform the competition time after time.

  • Test compression 0-300 psi on 14 mm & 18 mm spark plug ports
  • Comes in a sturdy blow-molded plastic carry case
  • Flexible rubber hose extension
  • 2 step adapter 14 & 18 mm
Product Details
Part Number: 27138
Weight: 1.35 lbs
Warranty: 3 MO
Notes: This item is a part of the AutoZone loan a tool program and may be in a used condition
Case Included: Yes
Color / Finish: Black
Compression Increments (psi): 5
Detachable Hose: Yes
Fuel Compatibility: Gasoline
Gauge Display Type: Analog
Hose Material: Reinforced Rubber
Hose Overall Length (in): 13
Maximum Compression Reading (psi): 300
Package Contents: 14mm/18mm Hose Adapter, Quick Coupler and Gauge, 14mm Deep Adapter
Plug Adapter Thread Size: 14 and 18 mm
Push-Button Release Valve: Yes
Shaft Attachments Included: No
Size (in): 2.625
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
This product may be shipped directly by the vendor to any eligible US addresses, excluding APO/FPO/DPO or US Territory addresses.
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    OEM/Compression Tester Gauge Set

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    3 reviews


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    1

    This review is hidden because you have chosen to ignore Member 1742229. Show DetailsHide Details

    Not good

    2 of 2 people found this helpful

    I rented 2 separate OEM testers from Autozone and found both take waaaay too long to build pressure in the gauge. You will kill the battery and/or smoke the starter before you get through checking even a 4 cylinder motor (I suspect the hose on this tool is flexing too much causing this to happen). I've used compression testers before so I know what I'm saying here. There's another problem as well: The anti-fouler looking extension that comes with this kit requires an 18mm socket to tighten down. An 18mm socket is too large to fit down the spark plug well on many vehicles, including the 2005 Ford Escape I was working on. A custom thin-walled socket MIGHT fit in there if you can find one.

    I've had high regard for OEM tools in the past and own several things they make, but you'll want to avoid this one.

    Pros: Spark plug fitting on hose turns with hose with zero slippage

    Cons: Takes too long to build pressure

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    1

    This review is hidden because you have chosen to ignore Member 1275447321. Show DetailsHide Details

    Does not work right

    2 of 2 people found this helpful

    Must have been the same unit as the other reviewer. Maxed out at 90 PSI and had tested a few days ago at 112. with another unit from competitor store. Not the gauge. I swapped gauges and same problem. Just will not hold pressure above 90. Problems somewhere in the fittings I suspect..

    Pros: Free

    Cons: Does not work

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    Edited on 8/21/2014 by Editor

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    1

    This review is hidden because you have chosen to ignore Member 901456041. Show DetailsHide Details

    Did not work!

    4 of 6 people found this helpful

    I recently rented this and was surprised when all my cylinders read 90psi. I tested the gauge on a few things and found it was reading about 20-30 psi low. I ended up buying a new one and all my cylinders read 170psi. Be careful when renting this, it might not work!

    Pros: None

    Cons: Did not work

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