Pro Tips, News & Events

The water pump and thermostat work together in the cooling system to ensure that the equipment has enough coolant circulating so that the engine does not easily exceed the maximum temperature it can withstand, 220 degrees Fahrenheit. They work together to maintain the good operation of the equipment cooling system, but sometimes, when cooling system problems occur, it is difficult to distinguish which one of them has a problem. Therefore, through this article, you will learn how to clearly distinguish which one of them fault when a problem comes, how they work together, etc., to help you make a quick judgment and replace the broken parts in time.

Ever look under the hood and wonder why there are two “radiators”? You’re not alone. While they look alike, they do totally different jobs. One protects your engine’s life, and the other boosts its power. We’ll show you how to tell them apart and why knowing the difference is key to a healthy, powerful machine.

One of the most frequently asked questions we hear in the maintenance of off-road equipment is “How much does it actually cost to replace an air filter?” Generally, the cost of replacing a filter varies, and the current price range for air filter replacement in 2025 is $10-300+. If you choose to do the repair yourself, your overall air filter cost can be reduced by about $30 to $170. In this article, we’ll break down the replacement costs and warning signs of a bad air filter. Also, we share factors that influence the price, compare DIY vs. pro costs, and discuss whether DIY replacement is a viable option.

Learn what an intercooler is and why it’s vital for any boosted engine. This guide explains how intercoolers work to increase horsepower and reliability, and breaks down the key differences between air-to-air and air-to-water systems.

Reusing head bolts: a smart save or a costly mistake? This guide gives you the clear answer. Learn to spot which bolts you must replace and how to safely inspect the rest to get the job done right the first time.

Ever been on the phone trying to order parts, and the person asks for your engine serial number? You’re standing there, grease up to your elbows, searching every visible surface of your engine like you’re on a treasure hunt. At FridayParts, we’ve guided thousands of customers through this exact scenario over our 16 years in business. Engine serial numbers aren’t just random digits – they’re the DNA of your diesel engine, telling its complete story from birth to present day. Let’s decode the mystery and show you exactly where to find these crucial numbers and what they mean.

As temperatures rise, it’s a smart move to upgrade the radiator in your equipment’s cooling system. But once you start searching online, the choices—and opinions—can get overwhelming fast. Which radiator core is right for my machine? Should you go with a 2-core or 3-core radiator? Which materials offer the best durability? Don’t worry—this article covers. Whether you’re a machine owner, maintenance tech, or parts buyer, this guide breaks down everything you need to know in plain, practical terms. By the way, we share the latest trends in cooling system components to watch for in 2025.

Don’t let a cryptic Thermo King code disrupt your operations. This comprehensive guide breaks down the essential alarm, fault, APU, and reefer codes you’ll encounter. Learn to distinguish between critical red alerts and non-critical yellow warnings, understand what your equipment is telling you, and turn complex diagnostics into simple, manageable repairs. Master these codes to minimize downtime, protect your cargo, and keep your fleet running efficiently.

When your diesel engine loses power, runs rough, or makes ticking noises, it might be due to camshaft wear. The camshaft controls your engine’s valve timing, and even minor wear can cause performance issues. Common causes include poor lubrication, wrong oil, improper valve adjustments, and excessive idling. Regular oil changes, proper maintenance, and early detection are crucial to avoid costly repairs. With the right care, a quality camshaft can last the life of your engine. For top-notch replacement parts, visit FridayParts.com – trusted in diesel parts for over 16 years.

A flywheel is a heavy, solid metal disc that stores rotational energy and provides a friction surface for the clutch. In contrast, a flexplate is a thin, lightweight steel plate that primarily serves to connect the engine’s crankshaft to the automatic transmission’s torque converter. Understanding the difference between them is crucial for ordering the right parts and diagnosing vehicle problems. This blog post delves into their physical properties, functional roles, common failures, and replacement costs to clear up the confusion once and for all.

The engine serves as the core of any off-road machine, whether it is a tractor, a loader, or an excavator. The engine radiator is the unsung hero that keeps that engine running at its best, especially under the severe demands of off-road operation. It is estimated that a sizable portion, between 40% and 60%, of engine failures are directly related to cooling system problems, which result in expensive downtime and lower productivity.

Explore the legendary CAT 3406E diesel engine in our complete spotlight. Get detailed specifications, common power ratings, and maintenance best practices. Learn to troubleshoot frequent problems and discover the best aftermarket parts and upgrade options to ensure maximum reliability for your truck or heavy equipment. Your ultimate guide to the 3406E is here.