Shop Kenworth W990 Transmission Coolers

Looking to upgrade your Kenworth W990's transmission cooler? Our top-notch options enhance cooling efficiency and protect vital components. Find the perfect match for your truck today!

Kenworth W990 Transmission Coolers

Kenworth W990 Transmission Coolers is a product lineup that includes a wide variety of products designed to help regulate the temperature of transmissions in Kenworth W990 semi-trucks. These transmission coolers are essential for maintaining optimal performance and extending the lifespan of the transmission system, which is a critical component of any heavy-duty commercial vehicle. The products in this product lineup can include both direct-fit and universal transmission coolers, as well as related accessories like mounting hardware and hoses. Kenworth W990 owners can choose from a variety of sizes, materials, and cooling capacities to ensure the perfect fit and cooling power for their specific truck model and needs. With a focus on quality, durability, and effective temperature management, the Kenworth W990 Transmission Coolers product lineup offers semi-truck owners a reliable and essential solution for keeping their transmissions running at peak efficiency, even under the most demanding driving conditions. Whether you're looking to replace a worn-out unit or upgrade to a more robust cooling system, this product lineup has the products you need to keep your Kenworth W990 performing at its best.

Frequently Asked Questions About Kenworth W990 Transmission Coolers

What size transmission cooler do I need for my Kenworth W990?

The recommended transmission cooler size depends on your engine configuration and usage. For standard highway applications with ISX15 or X15 engines, a 20,000-24,000 GVW rated cooler typically suffices. Heavy haulers or those running in mountainous terrain should consider 28,000-32,000 GVW rated coolers. Most W990s benefit from coolers with 11" x 17" to 11" x 20" core dimensions. Always verify your transmission model (typically Eaton Fuller 18-speed or 13-speed) before ordering.

Will aftermarket transmission coolers fit my 2019-2024 W990 without modifications?

Most quality aftermarket transmission coolers designed for W990s from 2019-2024 are direct bolt-on replacements requiring no modifications. They utilize the factory mounting brackets and line connections. However, some high-capacity coolers may require relocating the power steering cooler or adjusting mounting brackets. Check that the cooler specifications match your truck's configuration - standard hood vs extended hood models may have different clearances.

How difficult is it to install a transmission cooler on a W990 myself?

Installation typically takes 2-4 hours for someone with basic mechanical skills. You'll need standard hand tools, a drain pan, and approximately 2-3 gallons of transmission fluid. The main challenges include accessing the lower mounting bolts (a long extension helps) and properly routing the cooler lines to avoid contact with moving parts. Most installers recommend replacing the rubber cooler lines during installation. Having a second person helps when positioning the cooler.

What's the difference between aluminum and copper/brass transmission coolers for my W990?

Aluminum coolers are lighter (typically 8-12 lbs vs 15-20 lbs), offer better cooling efficiency per pound, and resist corrosion better in road salt conditions. Copper/brass coolers are more durable against road debris impacts and easier to repair if damaged. For W990s, aluminum coolers are more popular due to weight savings and adequate durability. Both materials work well, but aluminum coolers generally provide 15-20% better cooling capacity in the same size.

How do I know if my W990's transmission cooler is failing?

Common signs include transmission temperatures consistently above 220 degrees during normal driving, visible fluid leaks around cooler connections, transmission fluid in the radiator coolant (indicates internal cooler failure), or bent/damaged cooling fins reducing airflow. W990s typically run transmission temps between 180-200 degrees. If you notice slipping, delayed shifts, or burnt fluid smell along with high temps, address the cooler immediately to prevent transmission damage.