Keystone TO4050112 Transmission Oil Cooler OEM Replacement - 3291048190

The Keystone TO4050112 is a direct-fit OEM replacement automatic transmission oil cooler designed for the 2014–2016 Toyota Highlander equipped with the 3.5L V6 engine (excludes Hybrid models). This unit replaces Toyota OEM part number 32910-48190 / 3291048190 and is engineered to match original equipment specifications for a hassle-free, bolt-on installation.

The transmission oil cooler plays a critical role in maintaining safe automatic transmission fluid temperatures. By dissipating excess heat generated under load and during towing, it helps protect internal transmission components from premature wear and damage caused by overheated fluid.

Key Features:

• Direct OEM replacement — Partslink number TO4050112
• Replaces Toyota OEM part number 32910-48190 (3291048190)
• Aluminum construction for efficient heat transfer and long-term durability
• Crossflow design for optimal transmission fluid cooling
• Bolt-on fitment — no cutting or modification required
• Excludes Hybrid models

Designed to OEM specifications, this Keystone replacement transmission oil cooler restores proper fluid temperature regulation and helps extend automatic transmission life on the 2014–2016 Toyota Highlander 3.5L V6.