RADREPLA DPI2101 4-Row Aluminum Radiator for Jeep Wrangler TJ/YJ 1987-2006

Rugged cooling for Jeep Wrangler TJ/YJ: RADREPLA DPI2101

Upgrade your classic Wrangler with a high-performance 4-row aluminum radiator that combines toughness and precision. The DPI2101 is designed to handle the heat of demanding off-road adventures and long highway hauls, while maintaining a lighter overall profile thanks to an aircraft-grade aluminum build. This radiator pairs a resilient core with streamlined fittings to deliver steady temperatures, even when the day demands more from your engine.

Built to endure, this radiator emphasizes durability without sacrificing fit. The core and tank are 100% TIG-welded, producing continuous joints that resist battle-tested vibration and heat. The raw aluminum surface offers a rugged, corrosion-tolerant finish, while a brass petcoke drain keeps service simple. An integrated CNC-machined radiator cap adds a precise seal, contributing to reliable cooling performance over time.

Key specifications at a glance

• Core size: 18.11 H x 20.00 W x 1.73 T; Overall size: 25.98 L x 23.03 W x 4.33 H
• Inlet/Outlet: 1.26 in / 1.50 in; Transmission oil cooler: 26 mm diameter, 305 mm length, M16 x 1.5
• Material and construction: 100% TIG-welded AA5052 aluminum; No epoxy; CNC machined cap
• Performance: Up to 30%–45% more cooling capability in demanding conditions

Durability meets direct fit engineering

Designed as a precise OE-style replacement, the DPI2101 installs as a bolt-on upgrade with no drilling or chassis modifications. The 4-row core, combined with a dedicated transmission oil cooler, helps maintain efficient engine temperatures and supports cooler transmission operation in challenging environments.

All components are engineered for longevity. The 100% TIG-welded construction minimizes potential leak paths, and the brass petcoke drain simplifies maintenance. The product set includes a CNC-machined radiator cap that complements the overall high-precision build.

Real-world applications and benefits

In hot climates or during extended off-road sessions, drivers may experience steadier temperatures and more consistent performance. The DPI2101’s cooling capacity is especially helpful during climbs, towing, or when the vehicle is operating in rugged terrain where airflow can be constrained.

While cooling performance is a key advantage, each vehicle experience may vary with factors like ambient temperature, driving style, and load. The DPI2101 offers a credible upgrade path for enthusiasts seeking improved heat management without making bold guarantees.

What’s in the box

• 1 x 4-Row AA5052 Aluminum Radiator
• 1 x CNC Machined Radiator Cap

Compatibility and fitment

The DPI2101 covers a wide range of Jeep Wrangler TJ/YJ models from 1987 to 2006, including various trims and anniversaries. It is intended as a direct replacement that respects the original mounting points for a straightforward installation.