10 Best Head Gasket Test Kit for 2025

RELD

• ✅ORIGINAL HEAD GASKET TESTER KIT of the reputable brand "RELD"
• ✅Made in the European Union. The efficiency is 99.9%!
• ✅Fast, inexpensive and without a visit to the mechanic, you can check whether the cylinder head or head gasket in your car is fully functional!
• ✅If you suspect that the head gasket or cylinder head is damaged, you can check it yourself and save time and money.
• ✅Thanks to the universal adapter with wide measuring range (25-55mm) is possible to detect a failure in cars, trucks, tractor units, excavators, motorcycles, forklifts

Dapetz

• Suitable for petrol, diesel and gas engines
• Allows the detection of very small amount of CO2 (carbon dioxide) in the liquid coolant, by discoloration test liquid (blue - green - yellow)
• Allows a perfect and easy diagnosis
• Tester with conical adapter
• Quick-release adapter for direct connection to cooler adapter

Sealey

• Compression tester fitted with Ø63mm gauge reading up to 300psi(20kg/cm²)
• Kit includes 130mm straight and angled push-on connectors, 400mm flexible extension with 10, 12, 14 and 18mm deep thread adaptors
• Supplied in storage case

Steel Seal

• Fixes Blown Head Gaskets
• Fixes All types of head gasket failure
• Fixes Warped Cylinder Head
• Fixes Cracked Blocks
• Fixes Dropped Liners

Worskop Essentials Online

• Tests in seconds for Cracked Blocks
• Tests in seconds for Leaky Head Gaskets
• Tests in seconds for Cracked Heads
• Tests in seconds for Warped Heads
• Works with Petrol and Diesel Vehicles

Block Tester

• Complete Combustion Leak Test Kit - Includes Fluid - Nothing More to Buy
• When Fluid Turns From BLUE to YELLOW Combustion Leak is Present
• Tests in seconds for combustion leaks caused by: Blown Head Gasket (BHG) Cracked Head or Block Pulled Bolts or Studs Warped Sealing Surfaces
• Packaged in OEM white box

Workshop Essentials Online

• Tests in seconds for Cracked Blocks
• Tests in seconds for Leaky Head Gaskets
• Tests in seconds for Cracked Heads
• Tests in seconds for Warped Heads
• Works with Petrol and Diesel Vehicles

ASTA

• Please note: reaction fluid can be delivered in blue or blue/green.

KTLine

• The cooling water meter is a professional tool for detecting gasket damage under the cylinder head or in the cylinder head itself.
  The CO2 tester car has been specially developed for car owners car mechanics and hobby mechanics. Its effectiveness is 110%
  
  

• Our product, the cylindrical head seal CO2 leak tester is a universal special tool that is better than other products on the market is of the best quality through easy operation to safety. The user manual is located on the back of the packaging.
  
  
• The cylinder head seal leak test is designed for all cars, trucks, motorcycles, forklifts, tractors, petrol, diesel and petrol gas engines.
  The cooling system flue gas tester is made in Germany from the highest quality materials (premium quality). The tester is easy to use, reliable and environmentally friendly.
  
  
• The task of the Auto Inspector gadget is to protect you from errors, possible significant financial loss and loss of valuable time. It also saves you potential stress. The time spent checking your vehicle is very low - car repair with the inconvenience associated with it is much more expensive.
  
  
• We help our customers across Europe. If you choose a product from our house, choose the premium product. We will provide you with the highest service and give you a 30 day return guarantee. If you are not satisfied with our product, you can return it without any problems. You can click here and order

Workshop Essentials Online

• Tests in seconds for Cracked Blocks
• Tests in seconds for Leaky Head Gaskets
• Tests in seconds for Cracked Heads
• Tests in seconds for Warped Heads
• Works with Petrol and Diesel Vehicles