Compression Testing
Apex Tool Company carries a wide range of hard to find diesel compression adapters and gauges. They all use the universal star fitting and are designed to make for fast accurate testing. Make sure to consult your service manual on proper use of each adapter. Our compression adapter works to bring you the tightest seal possible and utilize replaceable seals.
ATC Heavy Duty Diesel & Automotive 1000 PSI Diesel Compression Gauge

Compression Adapter M10x1.00 Navistar, GM, Ford

Flexible Valve Air Hold Tool

Compression Adapter M10 x 1.00 GM, Hummer, Jeep, MB, Sprinter

Compression Adapter M21 injector Allis Chalmers, Bedford, Fiat Allis, Ford, IH, JI Case, John Deere,

Compression Adapter M24 injectors Detroit Diesel

Compression Adapter M10x1.25 Glow Plug Caterpillar, Ford, Mazda, Mitsubishi, Isuzu, Kawasaki, Kubota

Compression adapter M24 X 1.5 injector Cummins, Dodge, JI Case

ATCL-TU-15-18A Compression adapter M17 Injector Cummins, Deutz, JI Case, Volvo Penta, Yanmar

Compression Adapter M17 injector Cummins, GM, Hatz, Navistar

Compression adapter 9/16" Injector Caterpillar

Compression Adapter M10x1.00 Glow Plug Ford, Navistar

Compression adapter M12 X 1.25 Glow Plug Audi, BMW, Deutz, GMC, Isuzu, Lincoln, Mercedes Benz, Nissa

Compression Adapter m14 X 1.25. Navistar

Compression Adapter Detroit Diesel, International 466

Compression Adapter Cummins ISB Dodge ISB 5.9 1998-2003

Compression adapter Cummins ISC, ISL

Compression Adapter Cummins N14

Compression Adapter For Mack

Compression Adapter Mercedes Benz MBE

Compression Adapter Caterpillar, Perkins

Diesel Compression Caterpillar 3196 C12

Compression Adapter Caterpillar 3408E and 3412E

ATCL-73110 M14 Compression Adapter Extension

ATCL-73103 M12X1.25 Small Engine Compression Adapter

ATCL-73102 M10X1.00 Compression Adapter for small engines

ATCL-73111 M12 & M16 Ford Triton Compression Adapter

Compucheck Adapter

Compression Adapter Kubota

Compression Adapter Caterpillar 3306C/3406C

Compression adapter Caterpillar Cat 3126E, 3126D

Compression adapter Cat Caterpillar 3500 series

Compression adapter 7/8" Injector Cummins

Compression adapter Cat Caterpillar 3406E C13 C15 C16

Compression adapter Cummins ISX

Compression adapter Detroit Diesel 50 & 60 series

Compression adapter 3/8" injector Caterpillar, JI Case, John Deere

Compression adapter Cat Caterpillar 3176

Compression Adapter Cummins ISB 2003 to Present

Compression Adapter Cat Caterpillar 3116

Compression Adapter Cat Caterpillar 3126 3126B

Compression Adapter International MaxxForce DT, 9, 10

ATCL-TU-32-7 High Pressure Oil System Test Kit- Up to 5000 Psi

ATCL-74476 6 Foot Road Tester Hose

ATCL-782 EZ Grip Dual Head Air Chuck Tire Tool

ATCL-TU-11A Deluxe Auto Transmission & Engine Oil Pressure Tester

ATCL-TU-4A Automatic Transmission & Engine Oil Pressure Tester

ATCL-TU-15-47 Diesel Compression Adapter For Cat 3304

ATCL-TU-22A Power Steering & Rack Tester

ATCL-TU-26 GM TBI Fuel Injection Thru Filter Test Set With Manifold

ATCL-TU-32-6 GM 6.6 Duramax Diesel Fuel System Test Kit

ATCL-TU-32-8 High Pressure Oil System Test Kit w/ 10,000 PSI Guage

ATCL-TU-550 Master Global Fuel Injection Test Kit

ATCL-TU-443-2PL Fuel Injection Update Kit for ATCL-TU-443

ATCL-TU-32-4PB Ford Power Stroke Diesel Fuel System Kit

ATCL-TU-32 Cummins Series B and ISB Master Fuel System Test Kit

ATCL-TU-15-81 Compression Adapter for the CAT C-7 & C-9

ATCL-TU-469 Fuel Injection Pressure Tester with Schrader Adapters

ATCL-TU-3PB Universal Compression Tester and gauge

ATCL-TU-30A Automotive Compression Tester Kit

ATCL-TU-15-83 Compression Adapter for Maxxforce 7 Engine

ATCL-TU-15-84 Compresion Adaptor for Caterpillar C7