Newest Products

Diesel Engine Compression Tester Set Consists of five of the most popular diesel adapters for testing a wide variety of vehicles including Audi, s...

Designed specifically for testing motorcycle and small engines, this kit features a specially designed compression gauge and hose assembly, plus th...

Complete kit for testing compression of gasoline engines on domestic and foreign cars and trucks, also on motorcycles, snowmobiles and lawn mowers...

Quickly diagnose internal engine problems such as bad rings, valves and leaking head gaskets. Kit come complete with adapters for most applications...

Complete with standard and specialty adapters, this deluxe kit offers a complete package for compression testing on gasoline engines. Kit includes ...

Measures cylinder pressure on diesel equipped cars and trucks. Records maximum pressure reached during engine test. Release valve allows for immed...

Designed for complete compression testing on gasoline engines, including domestic, imports, motorcycles, marine, and small engines. Unique problem ...

Adapters fit 14 & 18mm plugs. Gage range 0-300 psi & 0-21 bar.

Test through the fuel port Use on 53, 71, 92, 110, 149, V53, V71 with low or high clamp injector hold down

Has 10mm-1.00 threads for testing at glow plug port. Applications include: 7.3L Turbo, Direct Injection (Power Stroke)

For testing at fuel injector port. Applications include: Caterpillar 1100 & 3208 Series J. I. Case 70 Series 188 & 207 C.I.D. pencil nozzl...

10mm-1.00 thread to test through glow plug port. For ALH and BEW series engines Hose easily connects to adapter to make testing easier in restrict...

Has 24mm-1.50 threads for testing at glow plug port. Applications include: Cummins/Case "B" Series 2.9L, 3.9L & 5.9L; Dodge/Cummins 5.9L.

Quickly and Accurately Check Compression on Gasoline Engines. Gauge registers 0 - 300 P.S.I. and 0 - 2100 kpa. Fits 14mm and 18mm thread sizes.

The 5613 is deal for testing vacuum lines and components. Accurately tests low pressure fuel systems. Quickly diagnose internal engine problems suc...

For testing at fuel injector port. Applications include: "Capsule" type nozzles including models D-336, 1674, 1676, 3406, 3408 & 3412.

Dual threaded male end provides two adapters in one for compression at the spark plug ports on Ford Triton engines. Provided with a long reach fle...

Easy reading gauge assures accurate vacuum and pressure check. Dual pressure 0-15, Vacuum .30, (not for Diesel)

Use with OTC compression testers (or other compression testers with a 14mm thread) to access hard to reach spark plug holes. Works on 2004-2007 Fo...

6” long hose allows for easy installation and removal around obstructions Uses the glow plug hole as the testing port 8mm-1.00 thread

10mm-1.25 thread to test through glow plug port on various Kubota engines. Also for: Toyota and Nissan 2.2L, 2 and 3 cylinder Mitsubishi and Ford E...

8mm-1.00 thread to test through glow plug port.

Has 10mm-1.00 threads for testing at glow plug port. Applications include: General Motors 4.3L, 5.7L & 6.2L & 6.5L turbo

Used for specific MFG diesel compression testing. Works with Tool Aid model 34900 tester and other popular brands (connection adapters may be need...