Pro Tips, News & Events

Finding the Right Mobil 424 Equivalent
Jul 29, 2026

Finding the Right Mobil 424 Equivalent

Don’t guess when choosing a Mobil 424 equivalent. Learn what makes a true UTTO replacement by matching vital specs like J20C and CNH MAT 3525. Discover top options, including Shell Spirax S4 TXM, and protect your equipment.

Alternator Not Charging? Causes, Checks, and Fixes
Jul 29, 2026

Alternator Not Charging? Causes, Checks, and Fixes

Alternator not charging? Don’t jump straight to replacing it. On off-road machinery, the fault is usually something simpler—a loose belt, bad cables, a weak ground, or a battery that’s not holding up. Those parts wear out from heat, dust, and vibration long before the alternator does. This guide takes you through the diagnostic steps in the order they should be done: visual inspection, battery voltage checks, alternator output testing, voltage drop tests, and field circuit inspection. Fix belt slip, clean corroded terminals, replace damaged cables, and then consider the alternator. A new alternator won’t last if the ground is bad or the belt is loose. Test everything systematically and replace only what fails.

Briggs and Stratton Carburetor Diagram: A Complete Guide
Jul 29, 2026

Briggs and Stratton Carburetor Diagram: A Complete Guide

A carburetor is one of the most important components in a Briggs & Stratton small engine. It mixes air and fuel to create the proper combustion mixture needed for engine operation. When your lawn mower runs into problems such as hard starting, engine surging or poor performance, the carburetor is often the first thing to look at. This Briggs and Stratton carburetor diagram guide explains the main carburetor parts, their functions and how each part works together.

Freightliner Cascadia Fuse Box Diagram
Jul 28, 2026

Freightliner Cascadia Fuse Box Diagram

Master your truck’s electrical system with our detailed guide to the Freightliner Cascadia fuse box diagram. We break down the complex SAM Cab and SAM Chassis modules, helping you quickly diagnose and fix common electrical failures.

Gravely Mower Deck Belt Diagram: How to Route and Replace the Deck Belt?
Jul 28, 2026

Gravely Mower Deck Belt Diagram: How to Route and Replace the Deck Belt?

Changing the mower deck belt is simple with the Gravely mower deck belt diagram at hand. Always consult your owner’s manual and put safety first. At FridayParts, you can explore a vast range of aftermarket Gravely mower parts and mower deck belts. 

How to Fix a Refrigerant Leak on an Excavator AC?
Jul 28, 2026

How to Fix a Refrigerant Leak on an Excavator AC?

How to fix a refrigerant leak on an excavator AC? AC blowing warm air? That’s almost always a refrigerant leak. And fixing it properly means actually finding where it’s leaking and replacing the part that failed—not just adding more refrigerant and hoping it stays. Recharging alone is a band-aid, and leaving a small leak alone will eventually kill your compressor. Here’s what you need to do: check for leaks visually, with soap-and-water, or with UV dye; recover whatever refrigerant is left; replace the damaged part (O-ring, hose, condenser, or seal); pull a vacuum, leak-test it, then recharge with the precise amount. Skip the repair, and a seized compressor could cost you three to five times more.

What Is the SPN 2011 FMI 9 Code? How to Solve It?
Jul 27, 2026

What Is the SPN 2011 FMI 9 Code? How to Solve It?

Seeing the SPN 2011 FMI 9 fault code? It signals a communication loss with your ABS module. This guide walks you through the most common causes, like bad wiring or power loss, and provides a simple step-by-step process to diagnose and fix the problem.

Clogged Radiator Symptoms and How to Fix Them
Jul 27, 2026

Clogged Radiator Symptoms and How to Fix Them

Clogged radiator symptoms and how to fix them. Here’s a tip before you price out a new radiator—most clogs are repairable. It usually comes down to two things: crud blocking the fins on the outside, or rust and scale buildup inside choking off coolant flow. The main signs are pretty clear—temperatures creeping up under load, coolant dumping into the overflow tank, or cold spots on the radiator after it should be warm. This guide shows you how to confirm the problem step by step. Shine a light through the fins to see if they’re packed with debris, check what your coolant looks like, and rule out the thermostat, water pump, cap, and fan system before you pull the trigger. Clean external debris with low-pressure water or air, use a flushing product to break up internal deposits, and only replace the radiator if the flow doesn’t come back after cleaning.

Ford F150 Fuse Box Diagram: A Complete Guide
Jul 27, 2026

Ford F150 Fuse Box Diagram: A Complete Guide

Whenever you run into an electrical problem, the fuse box is the first place to look. In this guide, we’ll dive into the Ford fuse box diagram with the example of a Ford F150 to help you better know the fuses in your Ford trucks.

Inner and Outer Tie Rod: Which One Is Worn Out?
Jul 26, 2026

Inner and Outer Tie Rod: Which One Is Worn Out?

Inner and outer tie rod: which one is worn out? The outer tie rod usually goes first—it’s exposed to mud, water, and rocks. The inner end sits tucked under a rubber boot, so it lasts longer. This guide helps you figure out which one is causing your steering trouble without guessing and changing the wrong part. Learn the 3-and-9 o’clock test to check for play, how to inspect both joints, and which symptoms point to each failure—clunking over bumps usually means outer, while vague steering or shimmy at speed points to inner. Replace both sides together, count the turns, and always get a wheel alignment after the job.

Battery Keeps Dying? How to Test for Parasitic Draw
Jul 26, 2026

Battery Keeps Dying? How to Test for Parasitic Draw

If your machine’s battery keeps dying, a parasitic draw is the likely culprit. This guide explains the signs and shows you how to test for parasitic draw with a multimeter. Follow our simple steps to find the faulty circuit yourself.

What Is A Differential? Front vs Rear Diff Explained
Jul 26, 2026

What Is A Differential? Front vs Rear Diff Explained

Without a differential, driving would be extremely difficult.The role of differentials is to allow the wheels on the same axle to rotate at different speeds. This is particularly important in turns, as the outer wheels need to rotate faster than the inner wheels, since they have a greater distance to cover in the same amount of time. Without a differential, the inner wheel would lose traction and could cause the vehicle to skid. The tyres and drivetrain would be under high stress, not to mention the loss of control in corners.