Nissens 17-21-7-638-582 Automatic Transmission Oil Cooler

The Nissens 17-21-7-638-582 is a high-quality aftermarket automatic transmission oil cooler designed as a direct replacement for BMW OEM part number 17217638582. This essential cooling component maintains optimal transmission fluid temperatures, preventing overheating and extending the service life of your automatic transmission system.

Key Features:

• Direct OEM replacement for BMW part 17217638582 and supersedes 17217618778
• Constructed from durable aluminum materials for superior heat dissipation
• Features 37-row design for efficient heat exchange performance
• Pressure-impulse tested with 100,000 cycles at up to 10.0 bar (145 PSI)
• Compact design allows for straightforward installation in factory location
• Engineered to OEM specifications for precise fitment and reliable operation

As a leading manufacturer of thermal management components, Nissens brings over 100 years of expertise to this transmission oil cooler. The development process includes rigorous in-house testing to ensure long-lasting, trouble-free performance under demanding operating conditions. This cooler is designed to prevent the catastrophic failure that can occur when transmission fluid overheats, protecting your transmission investment and maintaining smooth shifting performance.

Nissens transmission oil coolers are ideal replacements when experiencing symptoms such as transmission overheating, erratic shifting, fluid leaks, or burnt transmission fluid odor. Regular replacement of worn oil coolers is essential preventive maintenance for high-mileage vehicles.