Genuine 21631-JA00A Automatic Transmission Oil Cooler Hose

The Genuine Nissan 21631-JA00A is an automatic transmission oil cooler hose designed to transport transmission fluid between the transmission and the oil cooler mounted in the radiator. This upper position hose is a critical component of your vehicle's transmission cooling system, helping maintain optimal transmission fluid temperatures during operation.

Key Features:

• Genuine OEM Nissan part manufactured to exact factory specifications
• Upper position hose for 2.5L automatic transmission and 3.5L manual transmission applications
• Flexible hose construction for proper routing and vibration dampening
• Engineered to withstand high transmission fluid temperatures and pressures
• Direct replacement for worn or damaged original equipment

This transmission oil cooler hose helps ensure proper cooling of your automatic transmission fluid, which is essential for transmission longevity and performance. When transmission cooler hoses deteriorate or fail, they can cause fluid leaks, loss of transmission fluid pressure, and potential transmission damage. Replacing a damaged or leaking cooler hose with this genuine Nissan part restores your cooling system to factory specifications.