Is it the best? My 7.3 water pump leak’s fixed for under a hundred bucks and a few hours of my labor. For those of you that subscribe to that philosophy, see the post and link to a 7.3 OEM Powerstroke water pump from Amazon at the top of this article.įor me, I like to ask questions… Such as, if the OEMs are getting their parts and supplies from China, why should I pay them 5x what I can buy a quality aftermarket part for? (Also made in China)īetter yet, if you can get a good 7.3 Powerstroke water pump that’s been installed, tested, and reviewed by other 7.3 diesel owners, why wouldn’t you?Īfter reading and re-reading a ton of forums posts, blogs, and product reviews, I decided on a Gates replacement 7.3 water pump from Amazon to replace my 2002 7.3 diesel’s leaking water pump. Some 7.3 fans swear that you should ONLY use OEM parts in your 7.3 Powerstroke. Best Water Pump for 7.3 Powerstrokeīar none, IMO, your “best” choice for any type of part is the one that fits your budget, makes your truck run, and doesn’t fail prematurely. This system of radiator, upper and lower radiator hoses, thermostat, thermostat housing, coolant temp sensor, and the other internal coolant delivery components is all powered by the flow of coolant that the 7.3 Powerstroke water pump provides.Īnd excessive heat buildup due to a water pump leak, or a leak or failure in any of the other components is one of the things that can kill your diesel engine faster than towing uphill in the desert.īecause though your 7.3 diesel engine operates most efficiently when it’s heated up, it doesn’t love too much heat. Then the cycle of cold-hot transfer continually cooling your 7.3 diesel engine repeats itself. The heat that the coolant picks up from the engine is transferred to the cool air passing over the fins at the radiator. In simplest terms, your 7.3 water pump pushes coolant from the radiator through the coolant hoses, into the engine and back around to the radiator by way of an internal impeller. 7.3 Powerstroke Water Pump Basicsīefore we tackle your own 2000, 2001, or 2002 7.3 Powerstroke water pump leak, a few things are constant no matter what year 7.3 Ford diesel Powerstroke water pump you’re dealing with. I figured at 207,000 miles it was time for a new water pump for my trusty 7.3 Powerstroke anyway. But as is often the case with 7.3 Powerstroke problems, when you fix one thing another thing decides it’s going to break.īy re-pressurizing the coolant system, increased stress was placed on the old 7.3 water pump gasket and it started leaking my nice new, pretty pink coolant all around the edge of the water pump. Regardless, I replaced the thermostat AND the thermostat housing and that fixed that particular problem. And that had probably caused my thermostat to stick open-fail. Going in to replace the thermostat, I found that the steel OEM thermostat housing was rusted badly. Some Internet research pointed to a 7.3 thermostat that was probably stuck open, allowing cold coolant to constantly circulate through the engine. And to top it off, my cab wouldn’t heat up. When I first took shipment of my 2002 Ford 7.3 diesel Powerstroke, the temp gauge needle would never go past about 1/8 above “C” (cold). When you buy through links on our site, we may earn an affiliate commission.
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