Specially designed to help lower coolant temperature at the rear cylinders, preventing damaging coolant pressure build up and ensuring consistent temperatures across all cylinders. Complete kit comes with high quality AN O-ring fittings and AN hose connections with braided hose to ensure a leak free installation. Professional installation is highly recommended, No instruction included. One of the biggest issues on the 24 valves is the coolant flow problem to the rear cylinders. This can cause catastrophic failure or blow outs of the freeze plugs in an over-temperature / over-pressure condition. Can effectively help eliminate the possibility of scored rear cylinders and blown freeze plugs for your 6.7 Cummins with this Coolant Bypass Kit, improves the reliability and longevity for Cummins platform. Why do you need Coolant Bypass? One of the biggest issues on the 24 valves is the coolant flow problem to the rear cylinders, and therefore, experience the highest coolant temperatures. This can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the smaller diameter plugs under the valve cover, leading to a failure. Our coolant bypass kit adds a secondary thermostat, works based on temperature instead of excessive pressure. This solves the problem before pressure becomes an issue by ensuring consistent temperatures across all six cylinders. Our Coolant Bypass is one of the most important additions you make to improve the reliability and longevity for Cummins platform. Lowers coolant temperature at the rear cylinders. Ensures consistent temperatures across all cylinders. Prevents damaging coolant pressure build up. Complete kit comes with high quality AN O-ring fitting and AN hose connection with braided hose to ensure a leak free installation! Help eliminate the possibility of scored rear cylinders and blown freeze plugs for your 6.7 Cummins with this Coolant Bypass Kit. The Coolant Bypass with Stainless Lines solves the problem of excessive coolant pressure before it becomes a problem. The integrated secondary thermostat locates at the back of the block and allows coolant to flow freely when at normal operating temperatures, ensuring consistent temperatures across all six cylinders and eliminates excessive pressure. We will try our best to solve your problem. Please allow 10-30 days for international deliveries. United states 2-5(days). It is important that we know when your return is expected. We need this in case there are any issues during transit. Good communication is helpful for both of us to resolve any problems and issues. If you are satisfied with our service, please kindly leave us a 5-star feedback. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Engine Cooling Components\Radiators”. The seller is “carmaster-international” and is located in this country: US. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech Republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, Korea, South, Indonesia, Taiwan, South Africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi Arabia, United Arab Emirates, Qatar, Kuwait, Bahrain, Croatia, Republic of, Malaysia, Brazil, Chile, Colombia, Costa Rica, Dominican Republic, Panama, Trinidad and Tobago, Guatemala, El Salvador, Honduras, Jamaica, Antigua and Barbuda, Aruba, Belize, Dominica, Grenada, Saint Kitts-Nevis, Saint Lucia, Montserrat, Turks and Caicos Islands, Barbados, Bangladesh, Bermuda, Brunei Darussalam, Bolivia, Ecuador, Egypt, French Guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman Islands, Liechtenstein, Sri Lanka, Luxembourg, Monaco, Macau, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Vietnam, Uruguay.

• Manufacturer Part Number: ‎B-66-27-26-S-G-T-J
• Brand: Bonbo