SP Truck Parts Blog

Coolant tubes don’t get much attention until one starts weeping on the shop floor. Then the question is always the same: is this the upper or the lower tube, and which part do I order? Here’s how to sort it out, what to measure if the tag is gone, and what to check while the […]

A heavy-duty commercial truck relies on a massive electrical network. From critical engine management systems and electronic logging devices (ELDs) to auxiliary power units (APUs), sleeper climate controls, navigation, and exterior lighting, modern rigs require steady, high-amperage power. At the heart of this entire system is the alternator. While many believe the battery bank powers […]

For long-haul truck drivers, the cab isn’t just an office—it’s a living space. When you spend countless hours behind the wheel navigating tight schedules and heavy traffic, a comfortable cab environment isn’t merely a luxury; it is a vital necessity for driver alertness, safety, and focus. At the heart of that climate control system lies […]

Built for the Long Haul: Heavy-Duty Stainless Steel Coolant Tubes from SP Truck Parts When you are managing a commercial fleet or driving a semi-truck through grueling miles, maintaining peak operating temperatures is non-negotiable. Standard factory lines can wear down, rust, and fail under intense engine heat and continuous highway vibration, leading to sudden overheating […]

A properly functioning charge air cooler (CAC) is essential for maintaining the performance, efficiency, and longevity of your diesel engine. Also known as an intercooler, the CAC cools compressed air from the turbocharger before it enters the engine, allowing for better combustion and increased power. When your charge air cooler begins to fail, it can […]