Truck & Trailer Parts News & Buying Guides

Truck Serpentine Belt Replacement: When to Change Belts, Tensioners & Pulleys Together

October 21 2026 Akshay Tikoo

A serpentine belt is the cheapest part at the front of your engine and the one most likely to ruin your day. One length of ribbed rubber turns the alternator and, depending on the engine, the water pump, the A/C compressor and the fan. When it lets go, charging and cooling go with it, and the truck stops wherever it happens to be. If you've ever...

Actros Alternator Replacement: MP1 vs MP2/MP3 vs MP4 - Which Part Fits Your Truck?

October 16 2026 Akshay Tikoo

"Actros alternator" is one of those searches that looks simple and isn't. Mercedes built the Actros across 4 major generations over roughly 25 years, and the charging system was redesigned more than once along the way. Mounting brackets moved, pulley types changed, output climbed, and the plug on the back stopped looking the same. So if you're p...

Volvo FH D13 Alternator & Electrical Drive Parts: Belt Tensioners, Idler Pulleys & Serpentine Belts

October 12 2026 Akshay Tikoo

Every Volvo FH D13 that rolls into a workshop with a flat battery, a squealing front end or a dash full of warning lights usually has the same story behind it. The problem is rarely the battery. It's the belt drive system feeding the alternator - a tensioner that stopped tensioning, an idler bearing that went dry, or a serpentine belt that's bee...

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