Buying Guides

Get expert advice and comparisons to confidently select the best value parts for your machinery needs.

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What is a Blower Motor?
Jul 23, 2025

What is a Blower Motor?

A blower motor is an electric motor that heats, cools, and circulates air by driving a fan or blower. It ensures air circulation in the cockpit and provides a comfortable operating environment for the driver. The blower motor might be small, but it plays a big role in keeping your machine—and you—comfortable. Whether you are in winter or summer, the blower motor is heating and cooling your cab and always providing you with fresh air. In this article, we will introduce the function, working principle, classification, and application scenarios of the blower motor in detail. Finally, we also prepared some basic blower motor maintenance tips and problem answers for you to help you fully understand this key component.

What Are Fire Rings In Diesel Engine Cylinder Heads?
Jul 21, 2025

What Are Fire Rings In Diesel Engine Cylinder Heads?

If you’ve ever rebuilt a high-performance diesel or dealt with repeated head gasket failures, you’ve probably heard someone mention fire rings. But what exactly are these mysterious metal rings, and why do some diesel engines absolutely need them while others run fine without them? At FridayParts, we’ve supplied thousands of head gaskets and fire ring kits over our 16 years, and we’ve seen firsthand how the right sealing solution can make or break an engine build. Let’s demystify fire rings and help you understand when they’re necessary, how they work, and whether your diesel could benefit from this upgrade.

What is an Air Compressor Aftercooler?
Jul 16, 2025

What is an Air Compressor Aftercooler?

An air compressor aftercooler is a device that cools the hot, compressed air coming from a compressor to reduce its temperature and moisture. The air compressor is the heart of the pneumatic tool system. The air coming out of the compressor is very hot and contains a lot of water vapor. High heat and harmful moisture usually cause silent damage to your equipment. Aftercoolers are the solution to these problems for your equipment.

How Much Does Air Filter Replacement Cost in 2025?
Jul 9, 2025

How Much Does Air Filter Replacement Cost in 2025?

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.

What Is an Intercooler?
Jul 8, 2025

What Is an Intercooler?

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.

Camshaft Failure Analysis: What Causes Excessive Lobe Wear
Jul 2, 2025

Camshaft Failure Analysis: What Causes Excessive Lobe Wear

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.

Caterpillar 3406E Engine Spotlight
Jun 27, 2025

Caterpillar 3406E Engine Spotlight

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.

When Should a Radiator in Off-Road Machinery Be Replaced?
Jun 6, 2025

When Should a Radiator in Off-Road Machinery Be Replaced?

When your heavy equipment, such as excavators or loaders, is operating normally, their engines can easily overheat while providing core power for the equipment, causing them to malfunction. At this time, the radiator can cool the engine of your equipment, keeping the engine cool and running smoothly. It can be seen that the radiator plays a vital role in cooling the entire equipment. This article will teach you about the common radiator failure signs, tell you when you need to replace the radiator, and help you solve radiator replacement problems.

Are There Any Specific Tools Needed to Install JLG Parts?
May 26, 2025

Are There Any Specific Tools Needed to Install JLG Parts?

JLG parts installation often requires more than basic tools. This guide breaks down essential and specialized tools—like diagnostic kits and calibration devices—to help ensure safe, efficient, and precise repairs for your JLG equipment.

What Size Mower Do I Need for My Yard?
May 20, 2025

What Size Mower Do I Need for My Yard?

Choosing the right mower size, specifically its cutting width or deck size, is vital for efficient lawn care. This guide helps you determine the best mower for your yard by looking at key factors: yard size (acreage), terrain type, and your need for maneuverability. Learn how to select the appropriate mower to get a quality cut and reduce mowing time, whether you have a small yard or several acres. We cover push mowers, riding mowers, and zero-turn mowers to match your property.

How Can I Find the Right JLG Parts for My Machine?
May 19, 2025

How Can I Find the Right JLG Parts for My Machine?

Need JLG parts for your boom or scissor lift? This article highlights the most commonly replaced JLG parts, starting with critical JLG wear parts like tires and bushings. We detail essential hydraulic components such as O-rings and seals, and filters, plus key electrical system items like batteries and joystick controllers. Learn to spot wear on these common JLG parts and find quality JLG aftermarket parts to keep your equipment running safely and

(Watch the Video)How to Choose & Maintain Your Tractor PTO Shaft
May 16, 2025

(Watch the Video)How to Choose & Maintain Your Tractor PTO Shaft

Choosing the wrong tractor PTO shaft can lead to costly failures and underpowered equipment. This guide breaks down the critical factors for selecting the right shaft, from precise length and spline measurements to matching horsepower ratings (with a 10-15% buffer) and ensuring connection compatibility. We also cover essential safety features, the often-overlooked impact of usage angle, and a detailed maintenance routine to keep your tractor PTO shaft performing reliably and safely, ultimately saving you time and money.