Readair 25-1/16 in Engine Coolant Radiator Assembly with Transmission Oil Cooler — OEM Fit for Hyundai Sonata, Azera & Kia Optima

Discover the Readair 25-1/16 inch Engine Coolant Radiator Assembly with Transmission Oil Cooler, designed to streamline cooling for select Hyundai and Kia models. This compact, all-in-one unit blends radiator core cooling with an integrated transmission cooler, helping manage heat during demanding drives while maintaining a clean engine bay. Built with performance-minded materials and precision engineering, it supports reliable operation across varied road conditions.

Direct OEM Fit and genuine compatibility

Engineered for a straightforward replacement, this radiator assembly mirrors the original equipment in form and function. Before ordering, please verify exact vehicle compatibility to ensure a smooth install.

• Radiator compatibility: Hyundai Sonata (2011-2014 2.4L), Azera (2012-2017 3.3L), Kia Optima (2011-2015 2.4L), and Cadenza (2014-2015 3.3L)
• Part numbers: 13190, 13191, 13391, 25310-3Q500, 25310-3R501, 253103R501

Key specifications at a glance

• Core height 25-1/16 inches; core width 18-5/8 inches; core thickness 5/8 inch
• Inlet and outlet diameter 1-3/8 inch each
• Transmission cooler included: Yes; engine cooler: No

Durability you can rely on

Constructed from an aluminum radiator core with TIG-welded PA66 GF30 end tanks and a brass transmission cooler, the unit emphasizes longevity. A treated coating and assembly-tested components help guard against common wear factors in daily use.

• Leak-tested construction using high-grade materials for longevity
• Brass cooler and aluminum core designed for efficient heat transfer
• Leak-proof design helps to reduce maintenance worries over time

Warranty, support, and peace of mind

Backed by a two-year unlimited-mileage guarantee, Readair offers a dedicated service team available 24/7 to handle questions and support needs. This reflects our commitment to helping customers navigate installation and fitment with confidence.

• Two-year unlimited-mileage warranty
• 24/7 professional support
• Dedicated assistance for fitment and installation questions