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Global Parts 2458C Radiator
| Brand | Global Parts 2458C |
|---|---|
| Fits | Chevrolet, GMC, Saab, Isuzu, Buick, and Oldsmobile · 48 vehicles |
Aluminum core. Helps dissipate heat efficiently for reliable engine cooling.
Transmission oil cooler included. Adds integrated cooling support in one radiator assembly.
Down-flow design. Promotes steady coolant circulation through the cooling system.
Cross-references Anchor 2805, Anchor 3107 and APDI 8012458 for the same application. See all 31.
Radiator for GM SUV Cooling Applications
Global Parts 2458C is a direct-fit radiator built for vehicles that rely on efficient engine cooling and integrated transmission fluid temperature control. It uses an aluminum core with plastic tanks and a down-flow design to support stable heat dissipation in daily driving and stop-and-go conditions.
Compatible with Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, Isuzu Ascender, Buick Rainier, Chevrolet Trailblazer EXT, GMC Envoy XL, GMC Envoy XUV, and Oldsmobile Bravada applications, this radiator is built around the listed OE-style dimensions and cooler layout. The Global Parts 2458C also cross-references APDI 8012458 for the same application.
Key Features
- Aluminum core with plastic tank construction
- Single-row core design for OE-style cooling performance
- Transmission oil cooler included
- Down-flow radiator configuration
- Inlet diameter: 1.38 in. (35.05 mm)
- Outlet diameter: 1.6 in. (40.64 mm)
- Core thickness: 1 in. (25.4 mm)
- Core fin count: 73 per 4 in.
Detailed Description
Global Parts 2458C is engineered as a replacement radiator for GM platform vehicles that need dependable engine heat rejection and transmission fluid cooling in one assembly. The aluminum core helps transfer heat efficiently, while the plastic tanks support a lightweight OE-style design. With a single-row core, down-flow layout, and integrated transmission oil cooler, this radiator matches the cooling system requirements of the listed Chevrolet Trailblazer, GMC Envoy, and related applications.
This part number, 2458C, is specified with a 1-inch core thickness, 11.5-inch transmission oil cooler fitting distance, and the inlet and outlet sizes needed for proper hose connection. It is a practical choice when replacing a leaking, restricted, or damaged radiator on 2002-2009 Chevrolet Trailblazer and GMC Envoy models, as well as the other listed GM SUVs.
Common Problems This Radiator Can Address
- Engine overheating caused by a leaking or inefficient radiator
- Transmission fluid temperature issues related to a failed cooler circuit
- Coolant loss from cracked tanks or corroded core passages
- Restricted coolant flow from internal buildup or age-related wear
- Cooling system performance loss on Chevrolet Trailblazer and GMC Envoy platforms
Installation Notes and Tips
Verify hose diameter, cooler line routing, and mounting points against the original radiator before installation. Flush the cooling system, inspect hoses and clamps, and confirm the transmission cooler connections are clean and properly seated. After installation, refill with the correct coolant mixture and bleed air from the system according to the vehicle service procedure.
Quality Assurance
Global Parts supplies replacement cooling components for OE-style service applications. Part number 2458C is built to match the listed fitment and dimensional specifications for the covered GM SUV platforms.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Chevrolet | Trailblazer | 5.3L | V8 | N/A | — |
| 2009 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | — |
| 2009 | GMC | Envoy | 4.2L | L6 | N/A | — |
| 2009 | GMC | Envoy | 5.3L | V8 | N/A | — |
| 2009 | Saab | 9-7x | 4.2L | L6 | N/A | — |
| 2008 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | — |
| 2008 | GMC | Envoy | 4.2L | L6 | N/A | — |
| 2008 | Isuzu | Ascender | 4.2L | L6 | N/A | — |
| 2008 | Saab | 9-7x | 4.2L | L6 | N/A | — |
| 2007 | Buick | Rainier | 4.2L | L6 | N/A | — |
| 2007 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | — |
| 2007 | GMC | Envoy | 4.2L | L6 | N/A | — |
| 2007 | Isuzu | Ascender | 4.2L | L6 | N/A | — |
| 2007 | Saab | 9-7x | 4.2L | L6 | N/A | — |
| 2006 | Buick | Rainier | 4.2L | L6 | N/A | — |
| 2006 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | — |
| 2006 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | — |
| 2006 | GMC | Envoy | 4.2L | L6 | N/A | — |
| 2006 | GMC | Envoy XL | 4.2L | L6 | N/A | — |
| 2006 | Isuzu | Ascender | 4.2L | L6 | N/A | — |
| 2006 | Saab | 9-7x | 4.2L | L6 | N/A | — |
| 2005 | Buick | Rainier | 4.2L | L6 | N/A | — |
| 2005 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | — |
| 2005 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | — |
| 2005 | GMC | Envoy | 4.2L | L6 | N/A | — |
| 2005 | GMC | Envoy XL | 4.2L | L6 | N/A | — |
| 2005 | GMC | Envoy XUV | 4.2L | L6 | N/A | — |
| 2005 | Isuzu | Ascender | 4.2L | L6 | N/A | — |
| 2005 | Saab | 9-7x | 4.2L | L6 | N/A | — |
| 2004 | Buick | Rainier | 4.2L | L6 | N/A | — |
| 2004 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | — |
| 2004 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | — |
| 2004 | GMC | Envoy | 4.2L | L6 | N/A | — |
| 2004 | GMC | Envoy XL | 4.2L | L6 | N/A | — |
| 2004 | GMC | Envoy XUV | 4.2L | L6 | N/A | — |
| 2004 | Isuzu | Ascender | 4.2L | L6 | N/A | — |
| 2004 | Oldsmobile | Bravada | 4.2L | L6 | N/A | — |
| 2003 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | — |
| 2003 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | — |
| 2003 | GMC | Envoy | 4.2L | L6 | N/A | — |
| 2003 | GMC | Envoy XL | 4.2L | L6 | N/A | — |
| 2003 | Isuzu | Ascender | 4.2L | L6 | N/A | — |
| 2003 | Oldsmobile | Bravada | 4.2L | L6 | N/A | — |
| 2002 | Chevrolet | Trailblazer | 4.2L | L6 | N/A | — |
| 2002 | Chevrolet | Trailblazer EXT | 4.2L | L6 | N/A | — |
| 2002 | GMC | Envoy | 4.2L | L6 | N/A | — |
| 2002 | GMC | Envoy XL | 4.2L | L6 | N/A | — |
| 2002 | Oldsmobile | Bravada | 4.2L | L6 | N/A | — |
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