Mini Diagnostic & Testing Tools
-
Performance Tool®Professional DEF Tester (W16500)Universal Professional DEF Tester by Performance Tool®. Test your engine’s cooling system with this easy-to-use and reliable tester to prevent freeze-ups in cold weather and boil-overs during hot conditions and ward off corrosion to...Professional disc type DEF, Diesel Exhaust Fluid testerFor most diesel power cars, light duty and semi-trucks from 2010 to current$14.86 - OTC®0 to 300 psi Analog Petrol Compression Tester Set (5606)Universal 0 to 300 psi Analog Petrol Compression Tester Set by OTC®. Designed for complete compression testing on gasoline engines, including domestic, imports, motorcycles, marine, and small engines. Unique problem solving features for...2-1/2" gauge features chrome bezel and rugged protective outer bootCorrosion resistant nickel plated finish$92.62
- OTC®0 to 300 psi Digital Compression Tester Set (5606-DG)Universal 0 to 300 psi Digital Compression Tester Set by OTC®. Digital Compression Tester Kit helps determine the mechanical condition of the engines' cylinders. The digital gauge is easy to read and can display pressures in PSI, kPA,...Measure, record, and playback compression readings on 1 to 12 cylindersAdapters work on both flat and tapered seat plugs$138.09
- OTC®0 to 300 psi Digital Deluxe Compression Tester Set (5605-DG)Universal 0 to 300 psi Digital Deluxe Compression Tester Set by OTC®. Digital Compression Tester Kit helps determine the mechanical condition of the engines' cylinders. The digital gauge is easy to read and can display pressures in PSI,...Measure, record, and playback compression readings on 1 to 12 cylindersPowered by a 9V battery with low power indicator and auto power off$154.34
- OTC®Analog Diesel Engine Compression Gauge (5021)Universal Analog Diesel Engine Compression Gauge by OTC®. Works on any diesel engine to test compression up to 1000 PSI and 7000 kPa. Features include a check valve, push button compression release, and a quick disconnect fitting on the...Designed to help to get your job done rightManufactured utilizing the highest quality materials$220.67
- OTC®DEF Refractometer (5025)Universal DEF Refractometer by OTC®. EPA regulations require all diesel engines manufactured on or after January 1, 2010 to meet lowered NOx emissions standards. Most heavy duty engine (Class 7-8 trucks) manufacturers, have chosen to...Provides an easy and affordable way of testing your engine’s cooling systemDesigned to assist in checking your antifreeze/coolant to maintain it at the proper concentration$122.70
- OTC®Econo-Clean Coolant Test Strips Set (75134)Universal Econo-Clean Coolant Test Strips Set by OTC®. To ensure coolant will provide adequate protection to the vehicle, the coolant should be adjusted to the manufacturer's specifications. These accessories will help you quickly test...Provides an easy and affordable way of testing your engine’s cooling systemDesigned to assist in checking your antifreeze/coolant to maintain it at the proper concentration$33.78
- OTC®Robinair™ Coolant and Battery Refractometer (75240)Universal Robinair™ Coolant and Battery Refractometer by OTC®. This model can be used for measuring the freezing point of either propylene or ethylene glycol based cooling systems. It can also be used for checking the strength of...Provides an easy and affordable way of testing your engine’s cooling systemDesigned to assist in checking your antifreeze/coolant to maintain it at the proper concentration$83.88
- OTC®Robinair™ Heavy-Duty Truck Econo-Clean Coolant Test Strips (75234)Universal Robinair™ Heavy-Duty Truck Econo-Clean Coolant Test Strips by OTC®. Test your engine’s cooling system with this easy-to-use and reliable tester to prevent freeze-ups in cold weather and boil-overs during hot conditions and...To ensure coolant will provide adequate protection to the vehicle, the coolant should be adjusted to the manufacturer's specificationsThese accessories will help you quickly test coolant$61.08
- Central Tools®STORM™ Multi-Purpose Refractometer (3R401)Universal STORM™ Multi-Purpose Refractometer by Central Tools®. For Coolant, Battery and DEF. Test your engine’s cooling system with this easy-to-use and reliable tester to prevent freeze-ups in cold weather and boil-overs during...Combined capability in one toolEasily check status of coolant, DEF and battery fluid$88.92
- Lisle®Valve Core for 20250 Compression Tester (20100)Universal Valve Core for 20250 Compression Tester by Lisle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Expertly Crafted using premium-grade materialsUnsurpassed in functionality and reliability$1.60
- Robinair®Coolant and Battery Refractometer (75240)Universal Coolant and Battery Refractometer by Robinair®. This model can be used for measuring the freezing point of either propylene or ethylene glycol based cooling systems. It can also be used for checking the strength of electrolyte...Provides an easy and affordable way of testing your engine’s cooling systemDesigned to assist in checking your antifreeze/coolant to maintain it at the proper concentration$83.88
- Robinair®Econo-Clean Coolant Test Strips Set (75134)Universal Econo-Clean Coolant Test Strips Set by Robinair®. To ensure coolant will provide adequate protection to the vehicle, the coolant should be adjusted to the manufacturer's specifications. These accessories will help you quickly...Provides an easy and affordable way of testing your engine’s cooling systemDesigned to assist in checking your antifreeze/coolant to maintain it at the proper concentration$33.78
- S&G Tool Aid®0 to 1000 psi Analog Diesel Compression Tester for 35750 Diesel Compression Testing Set (34700)Universal 0 to 1000 psi Analog Diesel Compression Tester for 35750 Diesel Compression Testing Set by S&G Tool Aid®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...Measures cylinder pressure on diesels equipped cars and trucksRecords maximum pressure reached during engine test$78.10
- S&G Tool Aid®0 to 1000 psi Analog Gauge for 33770, 33900, 33950, 33980, 36200, 36250 & 38000 Injection Pressure Testers (33907)Universal 0 to 1000 psi Analog Gauge for 33770, 33900, 33950, 33980, 36200, 36250 & 38000 Injection Pressure Testers (33907) by S&G Tool Aid®. This product is made of high-quality materials to serve you for years to come. Designed using...Designed to help to get your job done rightManufactured utilizing the highest quality materials$25.01
- S&G Tool Aid®0 to 300 psi Analog Petrol Compression Tester (34000)Universal 0 to 300 psi Analog Petrol Compression Tester by S&G Tool Aid®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...Test compression on all domestic and foreign cars and most trucksFlex hose eliminates need to remove auxiliary equipment such as power brakes and steering, air conditioning and manifold$64.08
- S&G Tool Aid®0 to 300 psi Heavy Duty Analog Petrol Compression Tester (34300)Universal 0 to 300 psi Heavy Duty Analog Petrol Compression Tester by S&G Tool Aid®. Complete kit for testing compression of gasoline engines on domestic and foreign cars and trucks, also on motorcycles, snowmobiles and lawn mowers....Use to test compression of gasoline engines on domestic and foreign cars and trucks plus motorcycles, snow mobiles and lawn mowersFlex hose eliminates need to remove auxiliary equipment such as power brakes and steering, air conditioning and manifold$126.56
- S&G Tool Aid®0 to 600 psi Analog Gauge for 34500 Pressure Tester (34501)Universal 0 to 600 psi Analog Gauge for 34500 Pressure Tester (34501) by S&G Tool Aid®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...Designed to help to get your job done rightManufactured utilizing the highest quality materials$24.62
- S&G Tool Aid®3-1/2" 0 to 300 psi Analog Gauge for 53770, 53800, 53865, 53900, 53950, 53980, 56200, 56250, 58000 & 58100 Fuel Injection Pressure Test Kits (58040)Universal 3-1/2" 0 to 300 psi Analog Gauge for 53770, 53800, 53865, 53900, 53950, 53980, 56200, 56250, 58000 & 58100 Fuel Injection Pressure Test Kits (58040) by S&G Tool Aid®. This product is made of high-quality materials to serve you...Designed to help to get your job done rightManufactured utilizing the highest quality materials$32.44
- S&G Tool Aid®Diesel Tester Adapter for 34900 Diesel Engine Compression Tester Set (34770)Universal Diesel Tester Adapter for 34900 Diesel Engine Compression Tester Set by S&G Tool Aid®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...Allows a Bacharach brand adapter to be used with Cat. No. 34700, Diesel Compression TesterDesigned to help to get your job done right$22.36
- S&G Tool Aid®Extension Hose for 34700 Diesel Compression Tester (34729)Universal Extension Hose for 34700 Diesel Compression Tester by S&G Tool Aid®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...Makes for easier diesel compression testing in areas with restricted clearanceAttaches between Cat. No. 34700, Diesel Compression Tester and Tool Aid brand diesel test adapters$45.87
- S&G Tool Aid®Female Quick Disconnect Coupler (34703)Universal Female Quick Disconnect Coupler by S&G Tool Aid®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...Designed to help to get your job done rightManufactured utilizing the highest quality materials$15.47
- ATD®0 to 300 psi Analog Petrol Compression Tester (5659)Universal 0 to 300 psi Analog Petrol Compression Tester by ATD®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...For gasoline engine compression testing on domestic and foreign cars and trucksScrew-in adapters with O-rings provide professional accuracy$51.11
- ATD®0 to 300 psi Analog Super Compression Tester Set (5639)Universal 0 to 300 psi Analog Super Compression Tester Set by ATD®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for your ultimate...Quick coupler connection on gauge assembly for fast and easy changing of hose and adapter assembliesEasy push-button deflator for fast service$146.53
- ATD®Coolant Refractometer (3705)Universal Coolant Refractometer by ATD®. Test your engine’s cooling system with this easy-to-use and reliable tester to prevent freeze-ups in cold weather and boil-overs during hot conditions and ward off corrosion to keep your...High-quality refractometer offers a fast, easy way to test the freezing point of coolant/anti-freezeWorks with Ethylene or Propylene Glycol anti-freeze$66.47
- ATD®DEF/Coolant Refractometer (3325)Universal DEF/Coolant Refractometer by ATD®. Test your engine’s cooling system with this easy-to-use and reliable tester to prevent freeze-ups in cold weather and boil-overs during hot conditions and ward off corrosion to keep your...3-in-1 tool combines coolant, battery, and DEF scales all in oneFocusing eyepiece for clear readings and comfort of use$82.01
- ATD®Deluxe Antifreeze and Coolant Tester (1105)Universal Deluxe Antifreeze and Coolant Tester by ATD®. Test your engine’s cooling system with this easy-to-use and reliable tester to prevent freeze-ups in cold weather and boil-overs during hot conditions and ward off corrosion to...Easily checks condition of antifreeze and coolantWorks for all ethylene glycol coolants, including GM Dex-Cool™$6.07
- ATD®Pocket Antifreeze and Coolant Tester with Pouch (1101)Universal Pocket Antifreeze and Coolant Tester with Pouch by ATD®. Test your engine’s cooling system with this easy-to-use and reliable tester to prevent freeze-ups in cold weather and boil-overs during hot conditions and ward off...Easily checks condition of antifreeze and coolantWorks for all ethylene glycol coolants, including GM Dex-Cool™$4.24
- ATD®Professional Antifreeze and Coolant Tester (1106)Universal Professional Antifreeze and Coolant Tester by ATD®. Test your engine’s cooling system with this easy-to-use and reliable tester to prevent freeze-ups in cold weather and boil-overs during hot conditions and ward off...Easily checks condition of antifreeze and coolantWorks for all ethylene glycol coolants, including GM Dex-Cool™$7.45
- Baldwin Filters®FleetStrip™ Coolant Test Kit (CTK5029)Universal FleetStrip™ Coolant Test Kit by Baldwin Filters®. Liquid supplemental coolant additives can be used instead of coolant filters to replenish the cooling system when depleted. Periodic testing of coolant mixtures should be...Provides an easy and affordable way of testing your engine’s cooling systemDesigned to assist in checking your antifreeze/coolant to maintain it at the proper concentration$44.74
Featured Brands
Browse by Model
Mini Diagnostic & Testing Tools Reviews
2 reviews
2002 Nissan Maxima
THINKCAR® - ThinkOBD 100 OBD-II Generic Scan ToolPosted by Customer / January 18, 20232002 Nissan Maxima