RADREPLA DPI2101 3-Row Aluminum Radiator for Jeep Wrangler TJ/YJ (2.4L-4.2L) – Direct Bolt-On Replacement

Why choose the RADREPLA DPI2101 3-Row Aluminum Radiator?

Engineered for Jeep Wrangler TJ and YJ platforms spanning 1987 through 2006, the DPI2101 supports a broad engine range from 2.4L to 4.2L. This 3-row core and rugged aluminum construction offer a modern cooling solution designed to handle daily driving as well as more demanding rides, while preserving the classic Wrangler experience.

Rugged construction for longevity

Built with 100% TIG-welded joints and no epoxy, the radiator uses a CNC-machined, aircraft-grade raw aluminum tank and core. A OEM-style brass petcoke drain is included, and the CNC-machined filler neck and cap help ensure a precise seal. An integrated transmission oil cooler supports transmission temps during spirited or sustained use.

Performance you may notice

The DPI2101 features a 3-row core with core dimensions 18.11" H x 20.00" W x 1.73" T and an overall footprint of 25.98" L x 23.03" W x 4.33" H. Inlet/outlet sizes are 1.26" and 1.50" respectively, with φ26×305×M16×1.5(Z) for the transmission cooler. Reported cooling potential ranges up to 30%–45% more efficiency under heavy use, depending on vehicle setup and conditions.

Direct replacement that’s easy to install

This radiator is designed for a straightforward bolt-on upgrade with no drilling or modification required. It is built to align with OE mounting points, offering a clean, factory-like integration inside the engine compartment.

What’s included and how it’s built to last

• 1 x 3-Row AA5052 aluminum radiator
• 1 x CNC-machined radiator cap

• Surface finish: Aircraft-grade raw aluminum tank & core
• Inlet/outlet sizes: 1.26" / 1.50"
• Transmission oil cooler: φ26×305×M16×1.5(Z)
• Leak-tested TIG-welded construction with no epoxy
• Direct replacement, no drilling required

Designed for a range of Wrangler configurations, the DPI2101 + cap pairing offers a durable, high-quality upgrade for enthusiasts seeking improved cooling performance without sacrificing the classic Jeep feel. If you’re unsure about fitment for a specific build, our team is ready to help clarify compatibility and options.