OE Quality
60-Day Returns

One Stop Solutions 98819 HVAC Heater Core
Overview of One Stop Solutions HVAC Heater Core 98819
The One Stop Solutions HVAC Heater Core 98819 is designed to provide a direct replacement for select Nissan and Subaru vehicles. Engineered to meet original equipment specifications, this heater core offers reliable performance and durability for models such as the Nissan 240SX, Frontier, Maxima, and Xterra, as well as the Subaru Legacy.
- Features drop-in fit, form, and function for easy installation
- Addresses original design failures to enhance component lifespan
- Tested for cycle, vibration, burst, and environmental durability
- Constructed with premium grade materials for extended longevity
- Improves the operational life of high mileage vehicles
Detailed Product Description
The One Stop Solutions HVAC Heater Core 98819 is manufactured to replace the heater core in specific Nissan and Subaru models, including the 240SX, Frontier, Legacy, Maxima, and Xterra. This component features a drop-in design that matches the original part’s fit, form, and function, ensuring compatibility and straightforward installation. The heater core is engineered to overcome common design weaknesses found in original equipment, which can lead to premature failure. It undergoes rigorous testing for cycle endurance, vibration resistance, burst pressure, and environmental conditions to ensure reliable operation under various driving scenarios. Utilizing premium grade materials, this heater core is built to withstand the demands of high mileage vehicles, contributing to improved HVAC system performance and vehicle comfort.
Common Applications and Issues Addressed
- Replacement for leaking or clogged heater cores in Nissan 240SX and Frontier models
- Resolution of insufficient heating or coolant leaks in Subaru Legacy vehicles
- Addressing heater core failures causing fogging or coolant odor inside Nissan Maxima cabins
- Improving HVAC system reliability in high mileage Nissan Xterra vehicles
- Mitigating original design flaws that reduce heater core lifespan
Installation Notes and Tips
- Ensure compatibility by verifying vehicle make, model, and year before installation
- Drain the cooling system prior to heater core removal to prevent coolant spills
- Inspect and replace any worn or damaged hoses and clamps during installation
- Follow manufacturer torque specifications for all fasteners to avoid leaks
- Bleed the cooling system properly after installation to remove air pockets
Quality Assurance and Warranty
One Stop Solutions HVAC Heater Core 98819 is manufactured under strict quality control standards to meet or exceed OEM specifications. The product is tested for durability and performance to ensure long-term reliability. While specific warranty details are not provided here, One Stop Solutions typically offers coverage against manufacturing defects. It is recommended to consult the product documentation or supplier for exact warranty terms.
This part fits 45 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | # Doors | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2004 | Nissan | Frontier | Extended Cab Pickup | 2 Door | 3.3L | V6 | N/A | ||
| 2004 | Nissan | Frontier | Extended Cab Pickup | 2 Door | 2.4L | L4 | N/A | ||
| 2003 | Nissan | Frontier | Extended Cab Pickup | 2 Door | 3.3L | V6 | N/A | ||
| 2003 | Nissan | Frontier | Extended Cab Pickup | 2 Door | 2.4L | L4 | N/A | ||
| 2002 | Nissan | Frontier | Extended Cab Pickup | 2 Door | 3.3L | V6 | N/A | ||
| 2002 | Nissan | Frontier | Extended Cab Pickup | 2 Door | 2.4L | L4 | N/A | ||
| 2001 | Nissan | Frontier | SE | 3.3L | V6 | N/A | |||
| 2001 | Nissan | Frontier | SC | 3.3L | V6 | N/A | |||
| 2001 | Nissan | Frontier | XE | 3.3L | V6 | N/A | |||
| 2001 | Nissan | Frontier | XE | 2.4L | L4 | N/A | |||
| 2000 | Nissan | Frontier | SE | 3.3L | V6 | N/A | |||
| 2000 | Nissan | Frontier | XE | 3.3L | V6 | N/A | |||
| 2000 | Nissan | Frontier | XE | 2.4L | L4 | N/A | |||
| 2000 | Nissan | Xterra | 3.3L | V6 | N/A | ||||
| 2000 | Nissan | Xterra | 2.4L | L4 | N/A | ||||
| 1999 | Nissan | Frontier | SE | 3.3L | V6 | N/A | |||
| 1999 | Nissan | Frontier | SE | 2.4L | L4 | N/A | |||
| 1999 | Nissan | Frontier | SE | Extended Cab Pickup | 2 Door | 2.4L | L4 | N/A | |
| 1999 | Nissan | Frontier | XE | 3.3L | V6 | N/A | |||
| 1999 | Nissan | Frontier | XE | 2.4L | L4 | N/A | |||
| 1999 | Nissan | Frontier | XE | Extended Cab Pickup | 2 Door | 2.4L | L4 | N/A | |
| 1998 | Nissan | 240SX | 2.4L | L4 | N/A | ||||
| 1998 | Nissan | Frontier | Base | 2.4L | L4 | N/A | |||
| 1998 | Nissan | Frontier | SE | 2.4L | L4 | N/A | |||
| 1998 | Nissan | Frontier | XE | 2.4L | L4 | N/A | |||
| 1997 | Nissan | 240SX | 2.4L | L4 | N/A | ||||
| 1996 | Nissan | 240SX | 2.4L | L4 | N/A | ||||
| 1995 | Nissan | 240SX | 2.4L | L4 | N/A | ||||
| 1994 | Nissan | 240SX | 2.4L | L4 | N/A | ||||
| 1994 | Nissan | Maxima | 3.0L | V6 | N/A | ||||
| 1994 | Subaru | Legacy | 2.2L | H4 | N/A | ||||
| 1993 | Nissan | 240SX | 2.4L | L4 | N/A | ||||
| 1993 | Nissan | Maxima | 3.0L | V6 | N/A | ||||
| 1993 | Subaru | Legacy | 2.2L | H4 | N/A | ||||
| 1992 | Nissan | 240SX | 2.4L | L4 | N/A | ||||
| 1992 | Nissan | Maxima | 3.0L | V6 | N/A | ||||
| 1992 | Subaru | Legacy | 2.2L | H4 | N/A | ||||
| 1991 | Nissan | 240SX | 2.4L | L4 | N/A | ||||
| 1991 | Nissan | Maxima | 3.0L | V6 | N/A | ||||
| 1991 | Subaru | Legacy | 2.2L | H4 | N/A | ||||
| 1990 | Nissan | 240SX | 2.4L | L4 | N/A | ||||
| 1990 | Nissan | Maxima | 3.0L | V6 | N/A | ||||
| 1990 | Subaru | Legacy | 2.2L | H4 | N/A | ||||
| 1989 | Nissan | 240SX | 2.4L | L4 | N/A | ||||
| 1989 | Nissan | Maxima | 3.0L | V6 | 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.