Cooling System Service Tools

Cooling System Repair Tools

Featured Brands

  • Mastercool® - Cooling System Vacuum Purge and Refill Kit
    Mastercool®Cooling System Vacuum Purge and Refill Kit (43012)
    0
    # mpn4693392555
    Universal Cooling System Vacuum Purge and Refill Kit by Mastercool®. 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, this product by...
    Refill new coolant by creating a vacuum in the cooling systemNo need to undergo time-consuming air bleeding after refilling new coolant
    $91.33
  • Mishimoto® - 28-Piece Cooling System Pressure Tester and Vacuum Refill Kit
    Mishimoto®28-Piece Cooling System Pressure Tester and Vacuum Refill Kit (MMTL-CPT-28)
    0
    # mpn4774067828
    Universal 28-Piece Cooling System Pressure Tester and Vacuum Refill Kit by Mishimoto®. If you've got a paddock of project cars, a fleet of work vehicles, or just like to help all of your friends with their daily drivers, you need tools...
    Allows you to quickly and easily diagnose leaks and other cooling system issuesIncludes 17 color-coded adapters and 3 test caps to fit most import and domestic vehicles
    $91.95
  • Mishimoto® - Coolant Vacuum Purge and Refill Tool Kit
    Mishimoto®Coolant Vacuum Purge and Refill Tool Kit (MMTL-COOL-PR)
    0
    # mpn4888040039
    Coolant Vacuum Purge and Refill Tool Kit by Mishimoto®. There's nothing fun about spilling coolant all over your engine bay and driveway or waiting in the cold for your engine to warm up while you bleed air from the cooling system....
    Eliminates the need for coolant system bleedingPrevents air pockets that can lead to hot spots in the cooling system
    $46.95
  • Mityvac® - 14-Piece Cooling System Test and Refill Kit
    Mityvac®14-Piece Cooling System Test and Refill Kit (MV4525)
    0
    # mpn4833028875
    Universal 14-Piece Cooling System Test and Refill Kit by Mityvac®. The MV4525 is the most innovative, advanced automotive cooling system test kit ever designed. It is the first and only tester developed specifically to run complete...
    Coupler saves the expense of up to three separate kits by combining pressure, vacuum and temperature testing capabilitiesTests cooling system with engine on or off to pinpoint leaks or diagnose blown head gaskets, cracked block, or damaged head(s).
    $365.44
  • Mityvac® - Motorcycle Cooling System Test Kit
    Mityvac®Motorcycle Cooling System Test Kit (MV4510)
    0
    # mpn4692667447
    Universal Motorcycle Cooling System Test Kit by Mityvac®. The Mityvac MV4510 Cooling Pressure Test Kit is specially designed for testing motorcycles and other recreational, sports and utility vehicles with liquid cooled engines. It...
    High quality at an affordable priceExpertly made from premium materials
    $58.74
  • MotoRad® - Pressure Tester Cooling System Adapter
    MotoRad®Pressure Tester Cooling System Adapter (3118)
    0
    # mpn4774068251
    Universal Pressure Tester Cooling System Adapter by MotoRad®. 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, this product by...
    Superior grade materials for unbeatable safety and comfortExpertly crafted utilizing advanced technologies
    $41.10
  • OTC® - Cooling System Pressure Test Kit
    OTC®Cooling System Pressure Test Kit (6977)
    0
    # mpn4707376909
    Universal Cooling System Pressure Test Kit by OTC®. A Cooling System Pressure Test Kit with a truly universal approach to testing vehicle cooling system pressure. The tester adapts to cooling system hoses from 1/4" to 5/8" in diameter....
    Hand Pump with integrated gaugeDedicated pressure hose with quick-connect
    $248.25
  • OTC® - Cooling System Pressure Tester
    OTC®Cooling System Pressure Tester (7991)
    0
    # mpn1929408
    Universal Cooling System Pressure Tester by OTC®. Now you can pressure test the cooling system on most cars, light commercial trucks, motorcycles, and even marine applications. The tester's universal fit eliminates the need for multiple...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $165.48
  • Performance Tool® - 13-Piece Cooling System Pressure Tester Kit
    Performance Tool®13-Piece Cooling System Pressure Tester Kit (W89733)
    0
    # mpn4525947422
    Universal 13-Piece Cooling System Pressure Tester Kit by Performance Tool®. Detects Internal Engine Leaks Caused by Blown Head Gaskets And/Or Cracked Block Or Heads. Quickly Reveals External Cooling System Leaks. Kit Includes High...
    Only the best build qualityDesigned specifically to help you
    $115.77
  • Powerbuilt® - 22-Pc Cooling System Pressure Testing Kit
    Powerbuilt®22-Pc Cooling System Pressure Testing Kit (940427)
    0
    # mpn4929383333
    Universal 22-Pc Cooling System Pressure Testing Kit by Powerbuilt®. Got a cooling system leak that you can't find? This cooling system tester kit will help you track it down. Just find the adapter that works with your radiator/coolant...
    Durable storage case with step-by-step instructionsPrecision-built to meet or exceed ANSI standards
    $239.99
  • UView® - Radiator Neck Body
    UView®Radiator Neck Body (98037230)
    0
    # mpn2954903
    Universal Radiator Neck Body by UView®. 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, this product by UView® will last a lifetime....
    Superior grade materials for unbeatable safety and comfortExpertly crafted utilizing advanced technologies
    $34.07
  • Assenmacher® - Angled Fuel/EVAP Clamp Pliers
    Assenmacher®Angled Fuel/EVAP Clamp Pliers (M2010ACP)
    0
    # mpn4145463311
    Angled Fuel/EVAP Clamp Pliers by Assenmacher®. Used for the unlocking and locking of Fuel/EVAP hose CLIC R® clamps on newer vehicles. This product is made of high-quality materials to serve you for years to come. Designed using...
    Will operate at its full efficiency for years aheadDesigned to provide the ultimate in practicality
    $49.76
  • Astro Pneumatic Tool® - 2-1/2" Thick Wire/Cable Flexible Hose Clamp Pliers
    Astro Pneumatic Tool®2-1/2" Thick Wire/Cable Flexible Hose Clamp Pliers (9409A)
    0
    # mpn4478067320
    Universal 2-1/2" Thick Wire/Cable Flexible Hose Clamp Pliers by Astro Pneumatic Tool®. 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,...
    Re-engineered double gear lock lever with wider and deeper gears for secure lockingEnhanced cable assembly with larger cable and stronger connection for maximum strength
    $33.35
  • Astro Pneumatic Tool® - 7-Piece Hose Clamp Pliers Set
    Astro Pneumatic Tool®7-Piece Hose Clamp Pliers Set (9406)
    0
    # mpn1632310
    Universal 7-Piece Hose Clamp Pliers Set by Astro Pneumatic Tool®. 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, this product by...
    Designed to help make your job safer and easierRugged construction to withstand the toughest applications
    $122.39
  • Astro Pneumatic Tool® - Replacement Cable Assembly for 9409A Hose Clamp Pliers
    Astro Pneumatic Tool®Replacement Cable Assembly for 9409A Hose Clamp Pliers (9409ACA)
    0
    # mpn1578723460
    Universal Replacement Cable Assembly for 9409A Hose Clamp Pliers by Astro Pneumatic Tool®. 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 make your job safer and easierRugged construction to withstand the toughest applications
    $15.92
  • Lisle® - 1/2" Drive Water Pump Wrench Socket
    Lisle®1/2" Drive Water Pump Wrench Socket (14440)
    0
    # mpn1609732
    1/2" Drive Water Pump Wrench Socket by Lisle®. Angled teeth prevent the tool from slipping. 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...
    Superior grade materials for unbeatable safety and comfortExpertly crafted utilizing advanced technologies
    $23.70
  • Lisle® - 13-Piece Master Line Stopper Set
    Lisle®13-Piece Master Line Stopper Set (67000)
    0
    # mpn1451540178
    Universal 13-Piece Master Line Stopper Set by Lisle®. The set includes four stoppers to seal lines in automotive flare type steel brake lines, power steering and transmission cooler lines. Two line clamp pliers 6-1/4" and 7-1/4" in...
    Superior grade materials for unbeatable safety and comfortExpertly crafted utilizing advanced technologies
    $60.70
  • Lisle® - 3-Piece Fan Clutch Wrench Set
    Lisle®3-Piece Fan Clutch Wrench Set (43600)
    0
    # mpn1611261
    3-Piece Fan Clutch Wrench Set by Lisle®. Unique hooked wrench design will hold bolted on water pump pulleys by applying pressure against another bolt. The double-sided spanner style holding wrench will hold pressed on pulleys on many...
    Superior grade materials for unbeatable safety and comfortExpertly crafted utilizing advanced technologies
    $55.26
  • Lisle® - 3/4" OD Capacity Hose Pincher
    Lisle®3/4" OD Capacity Hose Pincher (23000)
    0
    # mpn1609388
    Universal 3/4" OD Capacity Hose Pincher by Lisle®. Clamps And Holds Hoses. Angled jaws close to create a complete seal every time. Jaws are offset for hard-to-reach areas. The handles lock firmly to hold the jaws in a closed position....
    Superior grade materials for unbeatable safety and comfortExpertly crafted utilizing advanced technologies
    $10.02
  • Lisle® - 35° Long Reach Hose Clamp Pliers
    Lisle®35° Long Reach Hose Clamp Pliers (17370)
    0
    # mpn4707376926
    Universal 35° Long Reach Hose Clamp Pliers by Lisle®. Cross-cut tip design grips most hose clamps from multiple angles. Ratcheting lock mechanism holds the clamp in an open position for hands-free use. Dual material grips for comfort....
    Superior grade materials for unbeatable safety and comfortExpertly crafted utilizing advanced technologies
    $57.50
  • Lisle® - Fan Clutch Spanner Wrench
    Lisle®Fan Clutch Spanner Wrench (44180)
    0
    # mpn1610016
    Fan Clutch Spanner Wrench by Lisle®. The double-ended spanner wrench fits the holes in pressed-on water pump pulleys. Hold the pulley firm with the spanner wrench. Use the appropriate open end wrench to turn the fan clutch nut (41740...
    Superior grade materials for unbeatable safety and comfortExpertly crafted utilizing advanced technologies
    $31.67
  • Lisle® - Flat Band Hose Clamp Pliers
    Lisle®Flat Band Hose Clamp Pliers (17100)
    0
    # mpn1608432
    Universal Flat Band Hose Clamp Pliers by Lisle®. Adjustable Jaws Fit All Clamp Sizes for Easy Removal and Installation. This tool removes and installs flat band hose clamps used on heater and radiator hoses. Tips screw in and out to fit...
    A must-have tool for your automotive repair needsDesigned to help get the toughest job done easily and quickly
    $26.61
  • Lisle® - Hose Pinchers Pack, 2-Piece
    Lisle®Hose Pinchers Pack, 2-Piece (22850)
    0
    # mpn1609387
    Universal Hose Pinchers Pack, 2 Pieces by Lisle®. Skin-Packed. A quick, easy way to pinch off vacuum lines, fuel lines, etc. without damaging the line. This product is made of high-quality materials to serve you for years to come....
    Superior grade materials for unbeatable safety and comfortExpertly crafted utilizing advanced technologies
    $7.63
  • American Grease Stick® - A/C Hose Cutting Tool
    American Grease Stick®A/C Hose Cutting Tool (ACR-054)
    0
    # mpn4828615799
    Universal A/C Hose Cutting Tool by American Grease Stick®. Cutting tool for splicing through tough reduced barrier A/C hose of all diameters. For use with the SPLICE-LOK® and KLEDGE-LOK® systems. Fast, economical tube and hose repair....
    Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology
    $8.86
  • CTA® - 11-3/4" Master Hose Clamp Pliers
    CTA®11-3/4" Master Hose Clamp Pliers (4027)
    0
    # mpn4520401213
    Universal 11-3/4" Master Hose Clamp Pliers by CTA®. Looking for high-quality pliers that will help you remove spark plug wires safely, install and remove hard-to-reach or small bulbs and fuses or do any other job easily and precisely?...
    32 x 19mm head with multi-directional slotted pattern for wide application rangeDesigned to help to get your job done right
    $38.58
  • CTA® - 13.5" Hose Clamp Pliers
    CTA®13.5" Hose Clamp Pliers (1048)
    0
    # mpn4688285415
    Universal 13.5" Hose Clamp Pliers by CTA®. When it comes to quality, CTA knows no compromises. All the products made by this stringent quality control conditions. The latest manufacturing methods coupled with the use of the...
    30mm circle head with multi-directional diamond pattern for a wide application range, including:Radiator hose clamps
    $32.15
  • CTA® - 48 x 66 mm Fan Clutch Wrench
    CTA®48 x 66 mm Fan Clutch Wrench (A872L)
    0
    # mpn4520401427
    48 x 66 mm Fan Clutch Wrench by CTA®. When it comes to quality, CTA knows no compromises. All the products made by this stringent quality control conditions. The latest manufacturing methods coupled with the use of the highest-grade...
    Use to remove and install Fan Clutch Assemblies when replacing Water Pumps or doing other Engine ServicesSize: 36 x 48mm ( 17/8" x 17/16" )
    $20.41
  • CTA® - Radiator Cap Pliers
    CTA®Radiator Cap Pliers (7045)
    0
    # mpn1452814128
    Universal Radiator Cap Pliers by CTA®. When it comes to quality, CTA knows no compromises. All the products made by this stringent quality control conditions. The latest manufacturing methods coupled with the use of the highest-grade...
    For quick and safe removal of all standard radiator capsSpecialty tools to get your job done in a safer and easier fashion
    $20.31
  • Dorman® - Fuel Line Hose Clamp Pliers
    Dorman®Fuel Line Hose Clamp Pliers (800-461)
    0
    # mpn4621560442
    Universal Fuel Line Hose Clamp Pliers by Dorman®. Constructed of high-quality materials, these pliers are designed as a versatile tool to serve a number of shop uses. This product is made of high-quality materials to serve you for years...
    Durable construction - these pliers are made from quality materials for years of reliable serviceVersatile shop tool - these pliers can be used for a variety of household and automotive uses
    $8.02
  • GearWrench® - 4-Piece Pulley Holder/Fan Clutch Tool Kit
    GearWrench®4-Piece Pulley Holder/Fan Clutch Tool Kit (3472)
    0
    # mpn1173137
    4-Piece Pulley Holder/Fan Clutch Tool Kit by GearWrench®. Since beginning, GEARWRENCH automotive specialty tools have been driven by innovation. From first specialty tool, the Model-T valve spring lifter, to latest ratcheting puller,...
    Eliminates the need for various size holding wrenchesRemove and replace thermostatic fan assemblies
    $69.37




Like most other parts of your car, the cooling system requires certain tools for effective diagnosis and repair. These range from simple funnels and drain pans needed for a coolant change, to unique wrenches and sockets for component removal and installation, and diagnostic tools for finding leaks and checking system performance. These tools are specifically designed for cooling system service, and they can all be found right here on our digital shelves.

Many components that formerly could be removed and installed with ordinary hand tools now require special tools. Some fan clutches are retained with large nuts and require much larger wrenches than you’d ordinarily have in your tool box, and coolant hoses and transmission cooler lines are often retained with couplers that can only be disconnected with special release tools. We offer a large selection of these and many other special tools.

We have an array of testers so you can check coolant condition and concentration including test strips, hydrometers, and refractometers. Coolant is a hazardous waste and ethylene glycol is dangerous to children and animals, so when coolant is drained one of our large capacity drain pans is a must so it can be disposed of properly. We also have a large selection of funnels and fill kits including systems with air bleeder lines to make adding coolant quick and easy. An air lift kit creates a vacuum in the system, eliminating air pockets so the system can be refilled in seconds, and it can also be used to check for leaks.

The source of a coolant leak can be difficult to find, but they won’t elude you if you’re armed with our testers. We have cooling system pressure testers and the necessary adapters needed to attach the tool to different radiators and pressure caps. If the leak is inside the engine, a cylinder leak down tester can be used to pressurize each cylinder. If air bubbles are seen in the coolant, the block or head may be cracked or the head gasket could be blown. And evidence of these defects can also be found if the chemical in a combustion gas tester changes color, indicating the presence of combustion gas in the coolant.

A non-contact infrared thermometer is an invaluable tool for checking cooling system performance. Unlike a traditional thermometer that may not provide accurate measurements due to poor contact, an infrared thermometer measures infrared radiation for instantaneous accurate readings. Us the infrared thermometer to scan the radiator for temperature anomalies that could indicate restrictions, and aim it at the thermostat housing to check the opening temperature. We also offer multi-meters and scan tools for effective diagnosis of electric cooling fan circuits.

Cooling System Service Tools Reviews

6 reviews
5 of 5
Really good quality for the price.
OEM Tools® - Cooling System Refiller AirEvac Kit
I was a bit leery about buying this tool at first. Since most of the "Professional Grade" versions of this tool are double the price, I figured this one would have some kind of flaw. But, I was very surprised to find that this thing is built super durable, and it has worked on all the makes/models I've used it for so far. I am a professional mechanic and have had this for about 4 or 5 months now, so that should say something. The only things some might consider problems are: 1. The connections have to be dry before it will pull a vacuum. If there's any coolant on the adapter or the reservoir opening then it won't seal properly. I just run a rag over everything before I make my connections and it works fine. 2. (And this may be more of a positive, depending on how you look at it) The only adapter that seems to work is the long cone-shaped one. I'm assuming this is because the other ones don't go deep enough to cover the overflow tube on most models. Nonetheless, I think this is a benefit, because I don't have to sit there trying to figure out which adapter to use on each vehicle, I just keep the one on and go. 3. There is a little more convenience having the more expensive 2-valve designs over this ones 3-valve design. But, once you get used to the 3-valve it's really not that big of a deal.
Posted by Customer / October 03, 2020
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