28in Radiator for 1999-2007 Silverado Sierra Yukon Tahoe - Direct Fit

In this review the radiator is evaluated as a practical, budget-friendly replacement for owners of late-1990s to mid-2000s GM full-size trucks and SUVs who need a straightforward cooling upgrade. The Auto Dynasty style 28 in wide core radiator earns recommendation mainly because it delivers a lightweight, full aluminum core design that improves cooling capacity over some stock units while remaining a direct bolt-on for many 4.3L, 4.8L and 5.3L automatic transmission models. Measure the original core before ordering to confirm fit.

Key Features

• Vehicle compatibility: Covers a wide range of Chevy, GMC and Cadillac models from 1999 to 2007 that use a 28 in wide core, helping many owners find a like-for-like replacement.
• Full aluminum core: The T-6061 aluminum construction provides better heat transfer and lighter weight compared with heavy factory units, aiding cooling efficiency.
• Transmission oil cooler: Built-in TOC supports automatic transmission cooling needs without an additional aftermarket unit.
• Direct bolt-on fit: Designed to replace the factory radiator without drilling or modification for quicker installation.
• One-row core profile: The 1 in deep, 1-row design keeps the overall unit slim and suitable for vehicles that require a narrow core.
• OEM cross-reference: Matches common OEM part numbers used on these models to simplify parts lookup and compatibility checks.

Who It's For

This radiator is best for owners of Chevy Silverado, GMC Sierra, Yukon, Tahoe, Suburban and Cadillac Escalade models from the listed years who have the 28 in wide core and automatic transmission and want a direct replacement that improves cooling with a lightweight aluminum core. It appeals to DIY mechanics who value ease of installation and want a cost-effective alternative to expensive OEM units.

Those who should look elsewhere include owners whose vehicle uses a different core width or depth, drivers needing an engine oil cooler, or anyone prioritizing long-term proven durability over immediate value; customers who cannot confirm measurements should verify the core dimensions before purchase.

Pros & Cons

Pros

• Improved heat dissipation from the full T-6061 aluminum core delivers better cooling than some stock radiators.
• Direct bolt-on design makes installation fast and simple without cutting or drilling.
• Built-in transmission oil cooler handles AT cooling requirements for compatible models.
• Lightweight construction reduces front-end weight compared with heavier factory radiators.

Cons

• Fitment is mixed for some buyers; measuring the original core is essential because variations exist between model years and trims.
• Some users reported durability concerns over time, including isolated leakage; inspect joints and fittings after installation.

Specifications

Core Dimensions	28-1/4 in W x 18-11/16 in H x 1 in D
Rows	1
Inlet	1-5/16 in
Outlet	1-9/16 in
Transmission Oil Cooler	Yes
Engine Oil Cooler	No
Weight	16 LBS

Our Verdict

The radiator is a sensible value replacement for compatible 1999-2007 GM trucks and SUVs when the 28 in core matches the vehicle; it offers improved cooling and easy installation thanks to its full aluminum core and bolt-on design. Confirm core measurements before ordering and be aware of mixed reports about long-term leakage, but for many DIYers this unit represents a cost-effective way to restore cooling performance.

Frequently Asked Questions

Will this radiator fit my 2003 Silverado?
It will fit if your truck uses a 28 in wide core and an automatic transmission; measure the existing core and compare to the listed core dimensions.

Does it include a transmission cooler?
Yes, this radiator includes a built-in transmission oil cooler but it does not include an engine oil cooler.

Are there common installation issues?
Installation is generally straightforward as a direct bolt-on, but check hose inlet/outlet sizes and mounting points and inspect for leaks after first use.