DWVO Complete Radiator for Chevy & GMC 4.3L V6 — Direct-Fit Aluminum Core, TIG-Welded

DWVO Complete Radiator engineered to replace OEM 15120548 — a direct-fit cooling solution for 4.3L V6 Chevy and GMC trucks and SUVs.

This all-in-one radiator arrives ready to install (radiator cap not included) and is manufactured to meet or exceed the fit and function of the original unit. Built with a high-density aluminum core, TIG-welded components, and multi-louvered fins, it restores engine cooling performance for 1996–2005 Chevrolet Blazer, 1996–2004 S10 and Sonoma, 1996–2001 GMC Jimmy, 1996–2001 Oldsmobile Bravada, 1997–2000 Isuzu Hombre, and compatible 2002 Blazer 4.2L powers. The package includes fixed foam protection and a user manual to safeguard the radiator during shipping and ease installation.

Will this radiator fit my specific Chevy or GMC model?

Yes — the DWVO radiator is designed as a direct OEM fit for the listed model years and engine sizes. It replaces factory part number 15120548 and cross-references several common replacement numbers, which helps ensure compatibility with most stock applications.

• Direct-fit for 4.3L V6 variants across Blazer, S10, Jimmy, Sonoma, Bravada, Hombre
• Supports manual and automatic transmissions (A/T radiator versions available)
• Cross-references: 89018542, 52493406, 52406435, 52455644, 52472964, 52472963

How does this radiator improve cooling and reliability?

The radiator core uses high-density multi-louvered fins to increase air contact and heat dissipation, while TIG-welded end tanks and a treated external coating enhance structural durability. Those design choices reduce the chance of leaks and corrosion over time, helping the cooling system run efficiently under load.

• Aluminum core for quick heat transfer and weight savings
• TIG-welded PA66 GF30 inlet/outlet tanks for strength and long life
• Brass transmission oil cooler integrated where applicable for reliable AT cooling

What’s included and what do I need for installation?

The DWVO package ships with the complete radiator and a user manual; the radiator cap is not included, so reuse your original cap or purchase a compatible replacement. Foam blocks are pre-installed in the corners to prevent bending in transit, and professional installation is recommended to ensure correct mounting and hose connections.

• Included: 1x DWVO Complete Radiator, 1x User Manual, protective foam in four corners
• Not included: radiator cap — use existing cap or buy matching OEM cap
• Installation tip: inspect hoses, clamps and thermostat while replacing the radiator

How durable is this radiator for everyday driving and harsh conditions?

DWVO builds this radiator with materials and assembly methods chosen for longevity: treated coatings resist corrosion, multi-louvered fins maintain cooling even in heavy use, and precision tanks reduce leak points. While designed for durability, routine cooling-system maintenance will extend service life.

• Protective coating to resist road salts and environmental corrosion
• 100% leak-tested before shipping to ensure integrity
• Constructed for long-term performance in cold and hot climates

Who is this for: DWVO’s complete radiator is intended for owners and mechanics who need a dependable, OEM-compatible replacement for mid‑late 1990s to early‑2000s Chevy and GMC 4.3L V6 vehicles. It suits do-it-yourself installers and professional shops seeking a cost-effective alternative to factory parts while retaining original fitment, cooling capacity, and transmission oil cooling where required.