Discount Auto Tools Catalog > Diagnostics / Electronics > Engine Diagnostics 

Engine Diagnostics

Automotive specialty tools to diagnose mechanical engine problems like combustion leaks from head gaskets, compression tests & more.
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Actron

ACTCP7828
Actron CP7828 Professional Compression Tester
Features and Benefits: Easy-to-read, 2-1/2" professional gauge with heavy-duty rubber boot 0-300...
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List Price: $63.99
Your Price: $40.31
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ACTCP7838
Actron CP7838 FUEL P.S.I. TESTER PROFESSIONSL
Features and Benefits Use this Professional Fuel Pressure Tester Kit to diagnose driveability problems caused by poor...
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List Price: $85.99
Your Price: $46.61
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EQUUS

EPI3615
Equus Products 3615 OHC Compression Tester Plus
Features and Benefits: Large, easy to read 2-1/2" dial face with dual calibrated and color coded...
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List Price: $66.49
Your Price: $58.64
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EPI3619
Equus Products 3619 Compression Tester Extension
Features & Benefits: 8" long reach adapter that can be used with any compression tester ...
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List Price: $23.89
Your Price: $21.07
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EQS3614
Equus Compression Tester, 6-pc. kit EQS 3614
• Large, easy-to-read 2-1/2" dial face with dual-calibrated and color-coded scales• 15" high pressure hose with stainless steel casing, and...
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List Price: $49.25
Your Price: $40.14
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K-D Tools

KD 2428
KD Tools KD 2428 Compression Tester
Tester checks cylinder compression from 0 to 300 PSI (0 to 21kg/cm2). Adapters fit 14 and 18mm spark plug...
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List Price: $39.95
Your Price: $32.65
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KD 2992
KD 14mm and 18mm Air Hold Extension Hose KD2992
A 14" long hose incorporates special 14 and 18mm stepped fitting with O-ring seals for universal fit and 1/4" NPT...
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List Price: $10.55
Your Price: $8.62
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Lisle

LIS20250
Lisle LIS20250 Compression Tester
• Quickly and accurately check compression on gasoline engines• Gauge registers 0-300 PSI and 0-2100 kPa• Fits 14mm and 18mm...
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List Price: $40.95
Your Price: $34.57
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LIS20300
Lisle LIS20300 Vacuum Gauge and Fuel Pump Tester
Easy reading gauge assures accurate vacuum and pressure check
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List Price: $26.45
Your Price: $22.34
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LIS75000
Lisle 75000 VACUUM PUMP HEAVY DUTY REPAIRABLE
Features and Benefits: Made of one-piece zinc die cast material Worn o-rings, seals...
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List Price: $82.95
Your Price: $73.17
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LIS75500
Lisle LIS75500 Combustion Leak Detector Kit
Quickly pinpoints combustion leaks. Checks combustion leaks caused by bad head gaskets, cracked blocks and cracked or warped heads. Indicating...
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List Price: $40.95
Your Price: $34.57
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LIS75630
Lisle LIS75630 Replacement Testing Fluid for Combustion Leak Detector
(1) 16 fl. oz. bottle
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List Price: $7.95
Your Price: $6.72
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Milton

MI1257S DLT
Milton MIL1257S Cylinder Leak Down Tester
Not In Stock, please see our other leak down testers (STRCLT2PB & OTC 5609 DLT) that are available for quicker...
Sorry, this item is out of stock

MILS-1251
Milton MILS-1251 Deluxe Compression Tester Kit
• Fits 14mm and 18mm spark plug holes and includes long reach 14mm adapter needed for some late model vehicles. •...
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List Price: $52.95
Your Price: $43.41
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MityVac

MITMV5530
MityVac MITMV5530 Professional Compression Tester
This comprehensive kit includes everything required to perform dry and wet engine cylinder compression tests commonly used to detect ring...
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List Price: $84.25
Your Price: $68.93
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Mityvac

MITMV5532
MityVac MIT MV5532 Gas Engine Digital Compression Tester
• Offers the most complete selection of gasoline compression test adapters on the market. Feature high-quality hose assemblies and adapters...
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List Price: $165.20
Your Price: $109.58
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MITMV5535
MityVac MITMV5535 Diesel Engine Digital Compression Tester
• Includes our digital diesel compression tester and six adapters for testing the most popular modern car and light truck...
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List Price: $290.70
Your Price: $194.03
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OTC

OTC 5609 DLT
OTC Cylinder Leak Down Tester OTC5609
The OTC 5609 cylinder leak down tester can quickly diagnose internal engine problems such as bad rings, valves and leaking...
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List Price: $102.50
Your Price: $114.62
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OTC5021
OTC 5021 Universal Diesel Engine Compression Gauge
OTC 5021 Universal Diesel Engine Compression Gauge. Works on any diesel engine to test compression up to 1000 PSI and...
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List Price: $248.95
Your Price: $196.06
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OTC5603
OTC 5603 Compression Tester - Deep Well Connector
Use with OTC compression testers or other compression testers with a standard quick connect. Solid steel 8" length shaft...
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List Price: $32.95
Your Price: $29.07
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OTC5605
OTC 5605 Deluxe Compression Tester
Corrosion resistant nickel plated finish. Adapters work on both flat and tapered seat plugs. Extra long 25" flex hose...
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List Price: $110.95
Your Price: $97.86
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OTC5606
OTC 5606 Motorcyle, Marine and Automotive Engine Compression Tester Kit
Corrosion resistant nickel plated finish, adapters work on both flat and tapered seat plugs. Extra long 25" flex hose...
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List Price: $89.95
Your Price: $79.34
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OTC5607
OTC 5607 FORD TRITON COMPRESSION ADPT 5.4L, 4.6L
Features and Benefits: Works on 2004 and newer Ford 4.6 and 5.4 L, 3 valve Triton™...
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List Price: $29.95
Your Price: $26.42
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OTC6521
OTC Leak Tamer Plus EVAP Smoke Machine OTC 6521
• Easy, effective, versatile tool to help technicians diagnose EVAP trouble codes on domestic and import cars and light trucks....
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List Price: $1170.95
Your Price: $881.99
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