OE Quality
60-Day Returns

Baldwin PA4371 Cabin Air Filter
Overview of Baldwin PA4371 Cabin Air Filter
The Baldwin PA4371 cabin air filter is designed specifically for Lexus and Toyota light-duty trucks, including models like the Highlander, IS300, and RX300. This filter helps maintain clean air inside your vehicle's cabin by effectively trapping dust, pollen, and other airborne contaminants.
- Compatible with Lexus and Toyota light-duty trucks
- Replaces Toyota part number 87139-48020
- Dimensions: Length 9 7/32 inches (234.2 mm), Width 8 7/16 inches (214.3 mm), Height 23/32 inches (18.3 mm)
- Cabin air filter designed for HVAC systems
- Part number PA4371 for easy identification
Detailed Product Description
The Baldwin PA4371 cabin air filter is engineered to fit select Lexus and Toyota vehicles, including the Highlander, IS300, and RX300 models. With precise dimensions of 9 7/32 inches in length, 8 7/16 inches in width, and 23/32 inches in height, this filter ensures a proper fit within the HVAC system. It replaces the Toyota OEM part 87139-48020, providing a reliable alternative for maintaining air quality inside your vehicle. The filter captures airborne particles that can affect passenger comfort and HVAC system performance.
Applications and Benefits
- Reduces dust and pollen entering the cabin
- Helps prevent HVAC system clogging and damage
- Improves air quality for passengers
- Minimizes odors caused by trapped debris
- Supports overall HVAC system efficiency
Installation Notes and Tips
Installing the Baldwin PA4371 cabin air filter is straightforward for vehicles compatible with this part number. Locate the cabin air filter housing, typically behind the glove compartment or under the dashboard. Remove the old filter carefully to avoid releasing trapped debris into the cabin. Insert the new filter with the airflow direction indicated on the filter frame. Ensure the filter is seated properly to prevent air bypass and maintain filtration efficiency.
Quality Assurance and Warranty
Baldwin cabin air filters are manufactured to meet or exceed OEM specifications for fit and filtration performance. The PA4371 part undergoes quality control checks to ensure durability and consistent operation within the HVAC system. While specific warranty details may vary, Baldwin products generally come with a limited warranty against defects in materials and workmanship.
| Brand | Baldwin |
|---|---|
| Part Number | PA4371 |
| Fits | "Lexus, Toyota Light-Duty Trucks" |
| Height | 23/32 |
| Height (mm) | 18.3 |
| Length | 9 7/32 |
| Length (mm) | 234.2 |
| Replaces | Toyota 87139-48020 |
| Width | 8 7/16 |
| Width (mm) | 214.3 |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2007 | Toyota | Highlander | 2.4L | L4 | N/A | (w/o Charcoal); OE Number : 87139-48020 | |
| 2007 | Toyota | Highlander | 3.3L | V6 | ELECTRIC/GAS | N/A | (w/o Charcoal); OE Number : 87139-48020 |
| 2007 | Toyota | Highlander | 3.3L | V6 | GAS | N/A | (w/o Charcoal); OE Number : 87139-48020 |
| 2006 | Toyota | Highlander | 2.4L | L4 | N/A | (w/o Charcoal); OE Number : 87139-48020 | |
| 2006 | Toyota | Highlander | 3.3L | V6 | ELECTRIC/GAS | N/A | (w/o Charcoal); OE Number : 87139-48020 |
| 2006 | Toyota | Highlander | 3.3L | V6 | GAS | N/A | (w/o Charcoal); OE Number : 87139-48020 |
| 2005 | Lexus | IS300 | 3.0L | L6 | N/A | OE Number : 87139-48020 | |
| 2005 | Toyota | Highlander | 2.4L | L4 | N/A | (w/o Charcoal); OE Number : 87139-48020 | |
| 2005 | Toyota | Highlander | 3.3L | V6 | N/A | (w/o Charcoal); OE Number : 87139-48020 | |
| 2004 | Lexus | IS300 | 3.0L | L6 | N/A | OE Number : 87139-48020 | |
| 2004 | Toyota | Highlander | 2.4L | L4 | N/A | (w/o Charcoal); OE Number : 87139-48020 | |
| 2004 | Toyota | Highlander | 3.3L | V6 | N/A | (w/o Charcoal); OE Number : 87139-48020 | |
| 2003 | Lexus | IS300 | 3.0L | L6 | N/A | OE Number : 87139-48020 | |
| 2003 | Lexus | RX300 | 3.0L | V6 | N/A | OE Number : 87139-48020 | |
| 2003 | Toyota | Highlander | 2.4L | L4 | N/A | (w/o Charcoal); OE Number : 87139-48020 | |
| 2003 | Toyota | Highlander | 3.0L | V6 | N/A | (w/o Charcoal); OE Number : 87139-48020 | |
| 2002 | Lexus | IS300 | 3.0L | L6 | N/A | OE Number : 87139-48020 | |
| 2002 | Lexus | RX300 | 3.0L | V6 | N/A | OE Number : 87139-48020 | |
| 2002 | Toyota | Highlander | 2.4L | L4 | N/A | (w/o Charcoal); OE Number : 87139-48020 | |
| 2002 | Toyota | Highlander | 3.0L | V6 | N/A | (w/o Charcoal); OE Number : 87139-48020 | |
| 2001 | Lexus | IS300 | 3.0L | L6 | N/A | OE Number : 87139-48020 | |
| 2001 | Lexus | RX300 | 3.0L | V6 | N/A | OE Number : 87139-48020 | |
| 2001 | Toyota | Highlander | 2.4L | L4 | N/A | (w/o Charcoal); OE Number : 87139-48020 | |
| 2001 | Toyota | Highlander | 3.0L | V6 | N/A | (w/o Charcoal); OE Number : 87139-48020 | |
| 2000 | Lexus | RX300 | 3.0L | V6 | N/A | OE Number : 87139-48020 | |
| 1999 | Lexus | RX300 | 3.0L | V6 | N/A | OE Number : 87139-48020 |
* 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.