OE Quality
60-Day Returns

One Stop Solutions 1998 Radiator
Overview of One Stop Solutions Radiator for Toyota 4Runner
The One Stop Solutions radiator, part number 1998, is designed specifically for Toyota 4Runner models. Engineered to provide reliable cooling performance, this radiator features a downflow core and includes a transmission oil cooler to support your vehicle's cooling system needs.
- Hassle free installation for quick replacement
- OE performance with quality materials and construction
- Engineering enhancements improve cooling efficiency and durability
- Components fitted and torqued to factory specifications
- Premium grade tubes, fins, headers, and plastic tanks
- Drop-in fit with all necessary fittings and hardware included
- 100% tested up to three times during production
- Design improvements address original equipment failures
Detailed Radiator Specifications and Features
This radiator features a core height of 22 5/8 inches, core width of 25 1/8 inches, and a core thickness of 1 inch, providing effective heat dissipation. The core is constructed from PA material, while the tanks are made of durable plastic. Both the inlet and outlet headers measure 25 7/8 inches in length and 2 1/8 inches in width, ensuring proper coolant flow. The radiator includes a concentric transmission oil cooler with a diameter of 1 1/8 inches and a fitting distance of 14 3/4 inches, supporting transmission fluid cooling needs. This radiator is designed as a downflow type with a single core row, and features 1 3/8 inch inlet and outlet diameters for optimal fluid circulation.
Compatible Vehicles and Applications
This radiator is compatible with Toyota 4Runner models, providing a direct replacement solution for cooling system maintenance or repair. The inclusion of a transmission oil cooler makes it suitable for vehicles requiring integrated transmission fluid cooling.
- Overheating issues due to radiator core damage or clogging
- Transmission fluid overheating requiring integrated cooler replacement
- Leaks or cracks in plastic tanks or headers
- Reduced cooling efficiency from worn or corroded components
- Failure of original radiator causing engine temperature fluctuations
Installation Notes and Tips
Installation of the One Stop Solutions radiator 1998 is straightforward with a drop-in fit design. Ensure all fittings and hardware are properly torqued to factory specifications. Verify the transmission oil cooler connections are secure to prevent leaks. It is recommended to flush the cooling system before installation to maintain optimal performance.
Quality Assurance and Warranty Information
Each radiator undergoes rigorous testing up to three times during production to ensure reliability and performance. The product is engineered with enhancements to address common design failures found in original equipment. While a cap is not included, the radiator meets OE standards for fit, form, and function. Warranty details should be confirmed with the distributor or manufacturer.
| Brand | One Stop Solutions |
| Part Number | 1998 |
| Cap Included | NO |
| Core Height | 22 5/8 |
| Core Material | PA |
| Core Row Quantity | 1 |
| Core Thickness | 1 |
| Core Thickness | 26 |
| Core Width | 25 1/8 |
| Down Flow Or Cross Flow Type | DOWNFLOW |
| Engine Oil Cooler Included | NO |
| Engine Oil Cooler Type | NONE |
| Inlet Diameter | 1 3/8 |
| Inlet Header Length | 25 7/8 |
| Inlet Header Width | 2 1/8 |
| Outlet Diameter | 1 3/8 |
| Outlet Header Length | 25 7/8 |
| Outlet Header Width | 2 1/8 |
| Tank Material | PLASTIC |
| Transmission Oil Cooler Diameter | 1 1/8 |
| Transmission Oil Cooler Distance between Fittings | 14 3/4 |
| Transmission Oil Cooler Included | YES |
| Transmission Oil Cooler Type | CONCENTRIC |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2002 | Toyota | 4Runner | Automatic | 3.4L | V6 | N/A | |
| 2001 | Toyota | 4Runner | Automatic | 3.4L | V6 | N/A | |
| 2000 | Toyota | 4Runner | Automatic | 3.4L | V6 | N/A | |
| 2000 | Toyota | 4Runner | Automatic | 2.7L | L4 | N/A | |
| 1999 | Toyota | 4Runner | Automatic | 3.4L | V6 | N/A | |
| 1999 | Toyota | 4Runner | Automatic | 2.7L | L4 | N/A | |
| 1998 | Toyota | 4Runner | Automatic | 3.4L | V6 | N/A | |
| 1998 | Toyota | 4Runner | Automatic | 2.7L | L4 | N/A | |
| 1997 | Toyota | 4Runner | Automatic | 3.4L | V6 | N/A | |
| 1997 | Toyota | 4Runner | Automatic | 2.7L | L4 | N/A | |
| 1996 | Toyota | 4Runner | Automatic | 3.4L | V6 | N/A | |
| 1996 | Toyota | 4Runner | Automatic | 2.7L | L4 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.