Skip to main content
Diagnose and Test
Find the Evidence. Plan the Repair.
Build your diagnosis around readings and inspection. OTC tools help technicians test system conditions, investigate symptoms and choose the next repair step.
Filters
Task / Diagnose & Test (215)
6589.jpg
SPARK TESTER - ELECTRONIC IGNITION
SKU: 6589
6596.jpg
Brake Pad Gauge
SKU: 6596
6660_3792_0.jpg
Compression Tester Adapter
SKU: 6660
6763_7509_0.jpg
Ford 6.0L High Pressure Oil Pump Adapters
SKU: 6763
6764_8171_0.jpg
Ford 6.0L Diesel IPR Controller
SKU: 6764
7106_7468_0.jpg
Cylinder Liner Height Gauge with Hold-Down Bar
SKU: 7106
7187.jpg
NOID-LITE, FUEL INJ. GM TBI
SKU: 7187
7188.jpg
NOID-LITE, FUEL INJ. BOSCH PFI
SKU: 7188
7215_2597_0.jpg
Exhaust Back Pressure Gauge
SKU: 7215
7342.jpg
COUPLER SOCKET
SKU: 7342
7488A_2714_0.jpg
Brake Pressure Test Kit
SKU: 7488A
7628_9537_0.jpg
5/16" Fuel Line Fitting Set
SKU: 7628
7629_9540_0.jpg
3/8" Fuel Line Fitting
SKU: 7629
7645.jpg
PARASITIC DRAW TESTER
SKU: 7645
7991.jpg
Cooling System Pressure Tester
SKU: 7991
3491-01.jpg
TRANSDUCER KIT, DPG, 500 PSI
SKU: 3491-01
7433.jpg
FORD FUEL LINE PLUG
SKU: 7433
6023.jpg
NOID LITE, F.I. (GM MULTEC 2)
SKU: 6023
7601.jpg
NOID-LITE, FUEL INJ. FORD TBI
SKU: 7601
7602.jpg
NOID-LITE, FUEL INJ. GM PFI
SKU: 7602
7608.jpg
NOID-LITE, FUEL INJ. (GEO TBI)
SKU: 7608
7828.jpg
NOID-LITE, FUEL INJ. GM SCPI
SKU: 7828
7470.jpg
Cummins Diesel Injector Timing Tool Set
SKU: 7470
3500-04.jpg
ACC, PROBE, TEMP, AIR
SKU: 3500-04
3643-12.jpg
V-BELT
SKU: 3643-12
3644.jpg
12-PACK DISPLAY CIRCUIT TESTER ASSORTMENT
SKU: 3644
3840-09.jpg
AC POWER ADAPTER, 2 CH SCOPE
SKU: 3840-09
3825-09.jpg
GM 12 PIN ADAPTER
SKU: 3825-09
3825-16.jpg
FORD ABS ADAPTER
SKU: 3825-16
3825-17.jpg
TOYOTA DCL 1/ ADAPTER
SKU: 3825-17