OE Quality
60-Day Returns

One Stop Solutions 1290 Radiator
Overview of One Stop Solutions Radiator 1290 for Acura and Honda
The One Stop Solutions Radiator part number 1290 is engineered for reliable cooling performance in select Acura and Honda vehicles. Designed specifically for models such as the Civic, Civic del Sol, and EL, this radiator ensures proper engine temperature regulation and transmission oil cooling.
- Core dimensions: 13 3/4" height, 13 11/16" width, 1" thickness
- Downflow core design with a single core row for efficient heat dissipation
- Plastic tanks and PA core material for durability and corrosion resistance
- Includes a concentric transmission oil cooler with 1" diameter and 7 7/8" fitting spacing
- Inlet and outlet diameters of 1 1/8" with 2" header widths
- Comes with a radiator cap and all necessary fittings for installation
Detailed Product Description and Specifications
This radiator is built to meet or exceed OEM form and function, providing a direct replacement for Acura and Honda Civic, Civic del Sol, and EL models. The core is constructed from PA material, offering a balance of strength and heat transfer efficiency. The plastic tanks reduce weight and resist corrosion. Featuring a downflow design, the radiator promotes effective coolant flow through a single core row, optimizing engine temperature control.
Additionally, the integrated concentric transmission oil cooler supports transmission fluid cooling, which is critical for vehicle longevity and performance. The cooler has a 1" diameter and fittings spaced 7 7/8" apart, matching factory specifications. Both inlet and outlet headers measure 14 11/16" in length and 2" in width, ensuring compatibility with the vehicle's cooling system. The radiator includes a cap and all necessary hardware, facilitating a hassle-free installation process.
Compatible Vehicles and Common Applications
- Replacement radiator for Acura Civic models requiring part number 1290
- Suitable for Honda Civic del Sol vehicles needing a downflow radiator with transmission oil cooler
- Compatible with Honda EL models that use a radiator with plastic tanks and PA core
- Addresses overheating issues due to radiator core damage or clogging
- Resolves transmission fluid overheating by integrating a concentric transmission oil cooler
Installation Notes and Tips
- Ensure all fittings and hardware included with the radiator are used to maintain factory torque specifications
- Verify compatibility with your specific Acura or Honda model year before installation
- Drain coolant and transmission fluid as necessary before removing the old radiator
- Inspect hoses and clamps for wear and replace if needed during installation
- After installation, refill coolant and transmission fluid to manufacturer recommended levels and check for leaks
Quality Assurance and Warranty Information
Each One Stop Solutions radiator 1290 undergoes up to three rounds of testing during production to ensure durability and performance. Components such as tubes, fins, headers, and tanks are manufactured from premium-grade materials and assembled to factory specifications. The radiator is designed for OE performance and includes a warranty that covers defects in materials and workmanship, providing confidence in its reliability for Acura and Honda Civic, Civic del Sol, and EL vehicles.
| Brand | One Stop Solutions |
| Part Number | 1290 |
| Cap Included | W/CAP - 0.9 |
| Cap Included | YES |
| Core Height | 13 3/4 |
| Core Material | PA |
| Core Row Quantity | 1 |
| Core Thickness | 1 |
| Core Thickness | 26 |
| Core Width | 13 11/16 |
| Down Flow Or Cross Flow Type | DOWNFLOW |
| Engine Oil Cooler Included | NO |
| Engine Oil Cooler Type | NONE |
| Inlet Diameter | 1 1/8 |
| Inlet Header Length | 14 11/16 |
| Inlet Header Width | 2 |
| Outlet Diameter | 1 1/8 |
| Outlet Header Length | 14 11/16 |
| Outlet Header Width | 2 |
| Tank Material | PLASTIC |
| Transmission Oil Cooler Diameter | 1 |
| Transmission Oil Cooler Distance between Fittings | 7 7/8 |
| Transmission Oil Cooler Included | YES |
| Transmission Oil Cooler Type | CONCENTRIC |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | Acura | EL | 1.7L | L4 | N/A | 26mm Core; Cap Included |
| 2000 | Acura | EL | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 2000 | Honda | Civic | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1999 | Acura | EL | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1999 | Honda | Civic | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1998 | Acura | EL | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1998 | Honda | Civic | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1997 | Acura | EL | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1997 | Honda | Civic | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1997 | Honda | Civic del Sol | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1996 | Honda | Civic | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1996 | Honda | Civic del Sol | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1995 | Honda | Civic | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1995 | Honda | Civic | 1.5L | L4 | N/A | 26mm Core; Cap Included |
| 1995 | Honda | Civic del Sol | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1995 | Honda | Civic del Sol | 1.5L | L4 | N/A | 26mm Core; Cap Included |
| 1994 | Honda | Civic | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1994 | Honda | Civic | 1.5L | L4 | N/A | 26mm Core; Cap Included |
| 1994 | Honda | Civic del Sol | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1994 | Honda | Civic del Sol | 1.5L | L4 | N/A | 26mm Core; Cap Included |
| 1993 | Honda | Civic | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1993 | Honda | Civic | 1.5L | L4 | N/A | 26mm Core; Cap Included |
| 1993 | Honda | Civic del Sol | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1993 | Honda | Civic del Sol | 1.5L | L4 | N/A | 26mm Core; Cap Included |
| 1992 | Honda | Civic | 1.6L | L4 | N/A | 26mm Core; Cap Included |
| 1992 | Honda | Civic | 1.5L | L4 | N/A | 26mm Core; Cap Included |
* 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.