Performance Radiator for GMC Savana (2003-2005) 4.3L Automatic
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All-Aluminum 3-Row Performance Radiator for 2003-2005 GMC Savana
What it Does: Directly replaces the failure-prone factory plastic-tank radiator with a high-capacity, TIG-welded aluminum core engineered to maintain optimal engine and transmission operating temperatures under severe fleet and towing duty.
The Stock Savana Thermal Bottleneck
OEM radiators installed in GMT610 platform vans utilize crimped plastic end tanks bonded to a thin single-row aluminum core. Constant thermal cycling, combined with the compact engine bay of full-size vans, leads to accelerated plastic embrittlement, cracked end tanks, and leaky crimp seals. Under continuous low-speed idling or heavy payload demands, the restricted core volume allows coolant temperatures to climb rapidly, placing excessive thermal strain on both the 4.3L Vortec engine and the automatic transmission.
The Engineering Solution
This heavy-duty unit features a 3-row crossflow core constructed from 100% brazed aluminum with precision TIG-welded end tanks, eliminating mechanical crimp gaskets entirely. The multi-louvered fin and three-tier tube design significantly increases surface heat dissipation and coolant capacity over OEM single-row units. An integrated high-efficiency automatic transmission fluid cooler ensures fluid temperatures remain stabilized, protecting clutch packs and valves during sustained load cycles.
Technical Specifications
| Fitment | 2003-2005 GMC Savana 1500 / 2500 |
| Engine / Chassis | 4.3L Vortec 4300 (LU3) / GMT610 |
| Stock Output | 195 hp / 260 lb-ft (Approx) |
| Core Dimensions | 17-1/4" H x 30-1/2" W (3-Row Crossflow) |
| Inlet / Outlet | 1.34 in / 1.57 in |
| Part Number | DPI 2716 / CU2716 / 89019164 / 15751212 |
Compatibility
- 2003 GMC Savana 1500 4.3L V6 Automatic (Transmission Oil Cooler Included)
- 2004 GMC Savana 1500 4.3L V6 Automatic (Transmission Oil Cooler Included)
- 2005 GMC Savana 1500 4.3L V6 Automatic (Transmission Oil Cooler Included)
- 2003 GMC Savana 2500 4.3L V6 Automatic (Transmission Oil Cooler Included)
- 2004 GMC Savana 2500 4.3L V6 Automatic (Transmission Oil Cooler Included)
- 2005 GMC Savana 2500 4.3L V6 Automatic (Transmission Oil Cooler Included)
The GMC Heavy-Duty Standard
Engineered to handle sustained commercial hauling, fleet transport, and towing environments, this all-aluminum drop-in replacement delivers bulletproof cooling reliability without fitment modifications.
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