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Don’t get stranded. Learn the signs of a bad alternator vs bad battery. A slow engine crank usually means a bad battery. If your lights dim or flicker while the machine is running, the alternator is the likely problem.

Unlock the secrets of your John Deere serial number. This guide shows you how to decode modern 17-digit PINs and older 13-digit numbers to find the right parts, identify your model’s year, and troubleshoot with confidence. Learn where to find the tag and what each digit means.

Your Caterpillar serial number holds the key to its build year. This guide shows you where to find the PIN, how to read it, and how to perform an official lookup using Cat’s SIS system for 100% accuracy. Find your machine’s exact manufacturing date easily and reliably.

Don’t let code P0420 ruin your day. While it points to “Catalyst Efficiency,” the fix is often much simpler and cheaper. From faulty O₂ sensors to hidden leaks, we’ll walk you through the step-by-step diagnosis to find the root cause of P0420 and get you back to work, fast.

Struggling to find the right parts? Your Bobcat serial number is the key. This guide shows you where to find it, how to decode its format, and how to use it to order correct parts every time. Get your machine back to work faster with our simple lookup tips.

Engine running too cold? That’s code P0128. It’s not overheating, but this sneaky fault kills your fuel efficiency and cabin heat. Is it a stuck thermostat or a bad sensor? Our guide demystifies P0128 with easy steps to diagnose and fix it fast. Let’s get that engine warm again!

FridayParts has joined the IDA! For you, this means an end to the hassle of hard-to-find parts and slow delivery. Our new IDA network gives you access to a wider selection and faster shipping.

That 17-digit VIN on your diesel truck holds more secrets than you think. While it’s a great starting point, it doesn’t tell the full story. This guide breaks down how to read your VIN, introduces the best free decoder tools for Ford, GM, and RAM, and explains why the Engine Serial Number (ESN) is often the real key to ordering the right parts.

FridayParts is proud to achieve the UPS Carbon Neutral Certification for 2024, showcasing our commitment to sustainability. With UPS mitigating 21.253 metric tons of CO2e for 2024, we are driving eco-friendly shipping solutions to reduce our carbon footprint and contribute to a greener future.