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Engine Chek lets you inspect for potential engine problems every time you change your oil. It comes in four sizes to fit most standard oil filters and works in any engine, new or old, gas or diesel.

Engine Chek Results
Professional engine builders cut the oil filter apart after running a newly assembled engine the first time. They do this to study the filter element for trapped material. The type and material gives them a good indication of the internal condition of the engine. Race and fleet mechanics also perform this check periodically. As you can imagine, it's a real pain to cut apart a filter full of oil.

Engine Chek makes it easy for the home and professional mechanic alike to check for foreign material in the engine. Just remove and inspect the filter the next time you change your oil. Picture to the right: Particles of black carbon may mean excess blow-by or poor crankcase ventilation.

Rob Hart, crew chief of the World of Outlaws Racing Team uses Engine Chek on and off the track. "Engine Chek allows us to monitor the condition of our engines by simply removing the oil filter and inspecting the Engine Check screen", says Rob.

" If the Engine Chek screen is clean, the engine is fine. Abnormal wear of any of the engines internal components is represented on the Engine Chek screen as flakes or filings. This allows us to repair the engine before it fails. Engine Chek has saved us several engines valued at over $30,000.00 each. I wouldn't race without Engine Chek. I also use it on our race team support vehicles and my personal vehicles." Picture to the right: Small metal filings may indicate bearing, camshaft or lifter wear.

Spot Trouble Before It Happens

  • Black Flakes or Specs - carbon due to excessive blow by, indicative of worn piston rings and/or faulty PCV valve or EGR valve.
  • Non-magnetic Silver-colored Flakes or Filings - excessive bearing wear.
  • Magnetic Silver-Colored Flakes or Filings - excessive valve train wear.
  • Bronze-colored Flakes or Filings - excessive wear of bushings or gears.
  • Plastic Flakes - excessive wear of cam gear and/or cam tensioner.


  • What is the purpose of the Engine Chek screen?
    It allows the consumer to monitor engine condition with each oil change.
    Spot problems while they are still small.
  • I want to use Engine Chek for an application that is not listed
    Compare the listed OD and ID of the standard Engine Chek screens to your oil filter.
    The fit does not need to be exact, just make sure the OD is smaller than the ID of your filter's rubber gasket and the ID is larger than the mounting threads.
  • What is Engine Chek made of?
    The Engine Chek screen is 304 stainless steel.
    The 230 micron screens have a 60 x 60 mesh, the 380 micron screens have a 40 x 40 mesh. The open area is 30.5%, making the open area in the screen greater than the oil flow openings in the top of the oil filer. The screen does not restrict oil flow.
  • Why does the Engine Chek prefilter have a hole?
    The bypass hole will provide adequate oil flow ...
    ... in the unlikely event that the Engine Chek screen becomes completely covered with debris.
  • Where did the idea for Engine Chek originate?
    Most professional race cars have an oil pre-filter screen that allows them to monitor the contion of the engine.
    It is usually a separate assembly and is commonly referred to as an "Oberg".
  • Do I re-use the Engine Chek screen?
    It is best to install a new Engine Chek screen ...
    ... with each oil change and save the old screen for future reference.
  • What size is the screen?
    Engine Chek screens for Cars, Light Trucks, Motorcycles and ATVs are 230 microns.
    This means that only items larger than 230 microns (.009") are trapped. Items smaller than this pass through and are trapped by the oil filter. Typically particles smaller than 230 microns result from normal wear in these applications and particles larger than 230 microns indicate abnormal wear. Engine Chek screens for Heavy Duty Diesels are 380 microns. This means that only items larger than 380 microns (.015") are trapped. Items smaller than this pass through and are trapped by the oil filter. Typically particles smaller than 380 microns result from normal wear in these applications and particles larger than 380 microns indicate abnormal wear.
  • Who should use Engine Chek?
    - passenger cars, race cars, hot rods, muscle cars, motorcycles, ATV's, RV's, trucks, sport compacts, etc.
  • What happens if my engine has a problem and the Engine Chek screen becomes completely covered?
    Engine Chek screens have a bypass hole ...
    ... that is large enough to supply sufficient oil to the engine. The oil pressure will drop slightly if the screen becomes covered to alert you to the problem.

  • Home Performance Oil Engine Chek :
     (#ENGINECKIMP)   Engine Chek - All Import Cars & Light Trucks. Package of 4 each. $013
     (#ENGINECKDOM)   Engine Chek - All Domestic Cars & Light Trucks except '68-99 Chevy V-8s & '77-99 GM V-8s. $013
     Sizing: Mount on the engine determines which screen to use, the brand of oil filter or its dimensions are not relevant.
     Also Consider: Use with FilterMAG for max. results.

    © Sigma Automotive - 267-645-6340 (fax)
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