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Koyorad A2042 Radiator
Koyorad A2042 Radiator for GM Vans
The Koyorad A2042 radiator is an OE-equivalent replacement built for cooling-system service on select Chevrolet Express and GMC Savana applications. It combines an aluminum core with plastic tanks and includes both engine oil and transmission oil cooler circuits for integrated thermal management.
Key Features
- Aluminum core with 1-row construction
- Core dimensions: 30.5 in. height, 18.5625 in. width, 1.3125 in. thickness
- Inlet diameter: 1.3125 in.; outlet diameter: 1.5625 in.
- Engine oil cooler included: yes, plate type, 3 plates
- Transmission oil cooler included: yes, 4-plate design
- Plastic tank construction for OE-style fitment
- Part number: A2042
Product Details
Koyorad Radiator A2042 is engineered as a direct replacement radiator for 1996-2002 Chevrolet Express 1500, 1996-2002 Chevrolet Express 2500, 1996-2002 Chevrolet Express 3500, 1996-2002 GMC Savana 1500, 1996-2002 GMC Savana 2500, 1997-2002 GMC Savana 3500, 1996-1999 GMC P3500, 1996 Chevrolet Express 1500 Police Model, and 1996 Chevrolet G30. This radiator is built around an aluminum core for efficient heat transfer and includes internal engine oil cooler and internal transmission oil cooler provisions to match the original cooling layout on equipped vehicles. Koyorad focuses on OE-equivalent replacement radiators, and the A2042 follows that approach with application-specific dimensions and cooler integration. If you are replacing a worn radiator on a Chevrolet Express or GMC Savana, the Koyorad A2042 radiator provides the correct cooling-system configuration for the listed vehicles.
Common Problems This Radiator Can Address
- Coolant leaks from an aging radiator core or tank seam
- Restricted cooling performance from corrosion or internal buildup
- Transmission fluid temperature issues related to a failing cooler circuit
- Engine oil cooler leakage or reduced heat exchange efficiency
- Overheating concerns caused by a damaged or inefficient radiator assembly
Installation Notes and Tips
Verify radiator dimensions, inlet and outlet sizes, and cooler connections before installation. Confirm that your vehicle uses the internal engine oil cooler and internal transmission oil cooler configuration shown for this part. Flush the cooling system, inspect hoses and clamps, and check the condition of the transmission and oil cooler lines before installing the new radiator. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Quality Assurance
Koyorad builds replacement radiators to OE-equivalent standards using application-specific engineering and manufacturing experience. Part number A2042 is intended to match the cooling requirements of the listed Chevrolet and GMC vans and related models.
| Brand | Koyorad |
| Part Number | A2042 |
| Position | Koyorad Radiator |
| Core Height | 30.5 |
| Core Material | Aluminum |
| Core Row Quantity | 1 |
| Core Thickness | 1.3125 |
| Core Width | 18.5625 |
| Engine Oil Cooler Diameter | 1.75 |
| Engine Oil Cooler Included | Yes |
| Engine Oil Cooler Number of Plates | 3 |
| Engine Oil Cooler Type | Plate |
| Inlet Diameter | 1.3125 |
| Internal Engine Oil Cooler | Yes |
| Internal Transmission Oil Cooler | Yes |
| Outlet Diameter | 1.5625 |
| Tank Material | Plastic |
| Title | Koyorad a2042 radiator |
| Transmission Oil Cooler Diameter | 1.625 |
| Transmission Oil Cooler Included | Yes |
| Transmission Oil Cooler Plate Quantity | 4 |
This part fits 72 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | |
| 2002 | Chevrolet | Express 1500 | 5.0L | V8 | N/A | |
| 2002 | Chevrolet | Express 1500 | 5.7L | V8 | N/A | |
| 2002 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 2002 | Chevrolet | Express 3500 | 5.7L | V8 | N/A | Koyorad Radiator |
| 2002 | GMC | Savana 1500 | 4.3L | V6 | N/A | |
| 2002 | GMC | Savana 1500 | 5.0L | V8 | N/A | |
| 2002 | GMC | Savana 1500 | 5.7L | V8 | N/A | |
| 2002 | GMC | Savana 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 2002 | GMC | Savana 3500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 2001 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | |
| 2001 | Chevrolet | Express 1500 | 5.0L | V8 | N/A | |
| 2001 | Chevrolet | Express 1500 | 5.7L | V8 | N/A | |
| 2001 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 2001 | Chevrolet | Express 3500 | 5.7L | V8 | N/A | Koyorad Radiator |
| 2001 | GMC | Savana 1500 | 4.3L | V6 | N/A | |
| 2001 | GMC | Savana 1500 | 5.0L | V8 | N/A | |
| 2001 | GMC | Savana 1500 | 5.7L | V8 | N/A | |
| 2001 | GMC | Savana 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 2001 | GMC | Savana 3500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 2000 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | |
| 2000 | Chevrolet | Express 1500 | 5.0L | V8 | N/A | |
| 2000 | Chevrolet | Express 1500 | 5.7L | V8 | N/A | |
| 2000 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 2000 | Chevrolet | Express 3500 | 5.7L | V8 | N/A | Koyorad Radiator |
| 2000 | GMC | Savana 1500 | 4.3L | V6 | N/A | |
| 2000 | GMC | Savana 1500 | 5.0L | V8 | N/A | |
| 2000 | GMC | Savana 1500 | 5.7L | V8 | N/A | |
| 2000 | GMC | Savana 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 2000 | GMC | Savana 3500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 1999 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | |
| 1999 | Chevrolet | Express 1500 | 5.0L | V8 | N/A | |
| 1999 | Chevrolet | Express 1500 | 5.7L | V8 | N/A | |
| 1999 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 1999 | Chevrolet | Express 3500 | 5.7L | V8 | N/A | Koyorad Radiator |
| 1999 | GMC | P3500 | 4.3L | V6 | N/A | |
| 1999 | GMC | Savana 1500 | 4.3L | V6 | N/A | |
| 1999 | GMC | Savana 1500 | 5.0L | V8 | N/A | |
| 1999 | GMC | Savana 1500 | 5.7L | V8 | N/A | |
| 1999 | GMC | Savana 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 1999 | GMC | Savana 3500 | 5.7L | V8 | N/A | Koyorad Radiator |
| 1998 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | |
| 1998 | Chevrolet | Express 1500 | 5.0L | V8 | N/A | |
| 1998 | Chevrolet | Express 1500 | 5.7L | V8 | N/A | |
| 1998 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 1998 | Chevrolet | Express 3500 | 5.7L | V8 | N/A | Koyorad Radiator |
| 1998 | GMC | P3500 | 4.3L | V6 | N/A | |
| 1998 | GMC | Savana 1500 | 4.3L | V6 | N/A | |
| 1998 | GMC | Savana 1500 | 5.0L | V8 | N/A | |
| 1998 | GMC | Savana 1500 | 5.7L | V8 | N/A | |
| 1998 | GMC | Savana 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 1998 | GMC | Savana 3500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 1997 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | |
| 1997 | Chevrolet | Express 1500 | 5.0L | V8 | N/A | |
| 1997 | Chevrolet | Express 1500 | 5.7L | V8 | N/A | |
| 1997 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 1997 | Chevrolet | Express 3500 | 5.7L | V8 | N/A | Koyorad Radiator |
| 1997 | GMC | P3500 | 4.3L | V6 | N/A | |
| 1997 | GMC | Savana 1500 | 4.3L | V6 | N/A | |
| 1997 | GMC | Savana 1500 | 5.0L | V8 | N/A | |
| 1997 | GMC | Savana 1500 | 5.7L | V8 | N/A | |
| 1997 | GMC | Savana 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 1997 | GMC | Savana 3500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 1996 | Chevrolet | Express 1500 | 4.3L | V6 | N/A | Police Model |
| 1996 | Chevrolet | Express 1500 | 5.0L | V8 | N/A | |
| 1996 | Chevrolet | Express 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
| 1996 | Chevrolet | Express 3500 | 5.7L | V8 | N/A | Koyorad Radiator |
| 1996 | Chevrolet | G30 | 5.7L | V8 | N/A | |
| 1996 | GMC | P3500 | 4.3L | V6 | N/A | |
| 1996 | GMC | Savana 1500 | 4.3L | V6 | N/A | |
| 1996 | GMC | Savana 1500 | 5.0L | V8 | N/A | |
| 1996 | GMC | Savana 2500 | 4.3L | V6 | N/A | Koyorad Radiator |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.