You might be just fine without AC, but your Wrangler's engine needs a reliable way to beat the heat. If you've been in a front-end collision recently, you're likely to have sustained some heavy damage to this cooling system. Otherwise, your TJ's parts may have just worn out over time. Regardless of the cause, we have the solution.
Confused about what parts you need, and how everything in this system works together? You're not alone. Even mechanically minded Jeepers might not be able to tell a petcock from a pump stud. Try referring to the Jeep Wrangler cooling system diagram we put together for you. Each part's image links directly to its section in our list, so shopping is easy. We have parts for all TJ's from '96 to '06, whether you're looking for a great aftermarket 2004 Jeep Wrangler radiator or a high-flow water pump for your 1998 Jeep.
The Thrill Is Gone
If you're a dyed-in-the-wool Jeeper like most of us here at 4WD.com, then you love your Wrangler. However, you might feel like something's been lacking recently. Many Wranglers lose power slowly over time due to degrading cooling system parts. The process is almost impossible to notice while it's happening, but the results add up. Regularly check your radiator and its associated pumps and tubes to stay at peak efficiency and performance.
The Parts You Need
If you have any front-end damage to your Jeep Wrangler TJ, radiator replacement is usually a must. If you don't have such a well-defined problem, you might not know where to start with your repairs and replacements. The most common failure points are the delicate parts: sensors, thermostats, pumps and gaskets. You might also need to replace your belts or tensioners. Sometimes the solution is as simple as replacing a faulty radiator cap, so make sure to check the easy stuff before you roll up your sleeves. Order everything you need here, whether you're doing a quick fix or overhauling your TJ's entire cooling system.
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