Peterbilt 388 Radiators: Durable, High-Performance Cooling Solutions for Your Truck When it comes to keeping your Peterbilt 388 running at its best, a quality radiator is essential. This product lineup offers a range of radiator options designed specifically for the Peterbilt 388, Kenworth W900B, and W900L models. From plastic aluminum to copper brass, these radiators provide exceptional heat transfer and durability to withstand the demands of heavy-duty commercial use. Many come with or without oil coolers, giving you the flexibility to choose the right configuration for your needs. Trusted brands like BESTfit ensure these radiators meet or exceed OEM standards, delivering reliable performance and a long service life. Whether you're upgrading an older system or replacing a failing unit, the Peterbilt 388 radiator product lineup has the perfect cooling solution to keep your truck operating at peak efficiency.