Explore a wide selection of high-quality International 8600 TranStar Coolant Reservoirs designed to keep your truck running smoothly. This category offers coolant reservoirs, caps, and related components that meet or exceed OEM specifications for seamless compatibility. Whether replacing a worn-out part or upgrading your system, these durable, easy-to-install products ensure reliable performance and long-lasting use. Keep your rig in top condition with these premium cooling solutions.