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Return policy: Returnable until Jan 31, 2021
For the 2020 holiday season, returnable items shipped between October 1 and December 31 can be returned until January 31, 2021.
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  • PLAN STARTS: Plans start date of purchase. Coverage for mechanical breakdowns begins after the manufacturer's warranty expires.
  • COVERAGE DETAIL: 100% functional parts and labor included on products used for normal use, including mechanical and electrical failures, for parts purchased on Amazon within the last 30 days.
  • PLAN BENEFITS: $0 deductible and no hidden fees. Fully transferable if bought as a gift. Not valid on auto parts purchased for commercial use.
  • FILING A CLAIM: Easy claims process online 24/7. Visit assurant360claims.com. We’ll fix it, replace it or send you an Amazon gift card up to the price you paid for your product.
  • HOW TO CANCEL: Cancel anytime, full refund within the first 30 days (less any claims paid). To cancel, visit "Your Orders" on Amazon.com and click "Return or Replace Item" next to the protection plan.

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3-Year Auto Parts Protection Plan

from Assurant
$7.24
  • PLAN STARTS: Plans start date of purchase. Coverage for mechanical breakdowns begins after the manufacturer's warranty expires.
  • COVERAGE DETAIL: 100% functional parts and labor included on products used for normal use, including mechanical and electrical failures, for parts purchased on Amazon within the last 30 days.
  • PLAN BENEFITS: $0 deductible and no hidden fees. Fully transferable if bought as a gift. Not valid on auto parts purchased for commercial use.
  • FILING A CLAIM: Easy claims process online 24/7. Visit assurant360claims.com. We’ll fix it, replace it or send you an Amazon gift card up to the price you paid for your product.
  • HOW TO CANCEL: Cancel anytime, full refund within the first 30 days (less any claims paid). To cancel, visit "Your Orders" on Amazon.com and click "Return or Replace Item" next to the protection plan.

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Block Tester BT-500 Combustion Leak Test Kit - Made in USA

4.7 out of 5 stars 606 ratings

List Price: $39.99
Price: $36.99 & FREE Returns
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  • 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
  • Quality Tool Made in USA for over 45 years with Limited Lifetime Warranty
  • Packaged in OEM white box
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  • Block Tester BT-500 Combustion Leak Test Kit - Made in USA
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Product description

The Block Tester is a used to detect the presence of exhaust gases in an engine's cooling system, typically caused by a blown head gasket or cracked head or block. It comes complete with enough fluid to conduct 16 tests. There are no additional tools needed, and no need to tap into an engine vacuum source. Works with virtually any liquid-cooled internal combustion engine or generator with a closed cooling system including: gasoline, diesel, propane, natural gas and other alternative fuels. Large, single-chamber design provides greater accuracy and uses less test fluid.


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4.7 out of 5 stars
4.7 out of 5
606 global ratings
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Reviewed in the United States on October 4, 2017
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Reviewed in the United States on March 20, 2018
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Reviewed in the United States on March 26, 2018
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Reviewed in the United States on September 8, 2019
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