OE Quality
60-Day Returns

Baldwin PA4305 Air Filter
Overview of Baldwin PA4305 Engine Air Filter
The Baldwin PA4305 engine air filter is designed specifically for select Scion and Toyota vehicles, including the Echo, xA, and xB models. This filter ensures proper air flow and filtration to maintain engine performance and longevity.
- Compatible with Scion Echo, xA, xB and Toyota models requiring Toyota part 17801-21030
- Dimensions: 9 13/16 inches length, 4 3/4 inches width, and 2 3/32 inches height (249.2 x 120.7 x 53.2 mm)
- Replaces Toyota OEM part number 17801-21030
- Engine air filter designed for effective air and fuel delivery system filtration
Detailed Product Description
The Baldwin PA4305 engine air filter is engineered to meet the specifications of Toyota and Scion vehicles, particularly the Echo, xA, and xB models. With precise dimensions of 9 13/16 inches in length, 4 3/4 inches in width, and a height of 2 3/32 inches, this filter fits securely in the air intake system. It replaces the Toyota OEM part 17801-21030, ensuring compatibility and reliable performance. The filter is part of Baldwin's air and fuel delivery category, focusing on maintaining clean airflow to the engine, which is critical for combustion efficiency and emission control.
Common Applications and Problem Solving
- Prevents engine damage caused by dust and debris entering the intake system
- Helps maintain optimal engine power and fuel efficiency
- Reduces the risk of clogged air passages that can cause rough idling or stalling
- Supports emission control by ensuring proper air filtration
- Addresses issues related to decreased acceleration due to restricted airflow
Installation Notes and Tips
Installation of the Baldwin PA4305 engine air filter is straightforward for vehicles compatible with Toyota part 17801-21030. Before installation, ensure the engine is off and cool. Remove the old air filter by opening the air filter housing, clean the housing if necessary, and insert the new filter ensuring it seats properly without gaps. Secure the housing cover firmly to prevent unfiltered air from entering the engine. Regular inspection and replacement according to the vehicle manufacturer’s maintenance schedule are recommended.
Quality Assurance and Warranty
Baldwin engine air filters are manufactured to meet industry standards for filtration and durability. The PA4305 is designed to provide consistent performance under normal operating conditions. While specific warranty details may vary, Baldwin typically offers coverage against manufacturing defects. Consult product documentation or authorized sources for exact warranty terms.
| Brand | Baldwin |
| Part Number | PA4305 |
| Fits | "Scion, Toyota Automotive" |
| Height | 2 3/32 |
| Height (mm) | 53.2 |
| Length | 9 13/16 |
| Length (mm) | 249.2 |
| Replaces | Toyota 17801-21030 |
| Width | 4 3/4 |
| Width (mm) | 120.7 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Scion | xA | 1.5L | L4 | N/A | OE Number : 17801-21030 |
| 2006 | Scion | xB | 1.5L | L4 | N/A | OE Number : 17801-21030 |
| 2005 | Scion | xA | 1.5L | L4 | N/A | OE Number : 17801-21030 |
| 2005 | Scion | xB | 1.5L | L4 | N/A | OE Number : 17801-21030 |
| 2005 | Toyota | Echo | 1.5L | L4 | N/A | OE Number : 17801-21030 |
| 2004 | Scion | xA | 1.5L | L4 | N/A | OE Number : 17801-21030 |
| 2004 | Scion | xB | 1.5L | L4 | N/A | OE Number : 17801-21030 |
| 2004 | Toyota | Echo | 1.5L | L4 | N/A | OE Number : 17801-21030 |
| 2003 | Toyota | Echo | 1.5L | L4 | N/A | OE Number : 17801-21030 |
| 2002 | Toyota | Echo | 1.5L | L4 | N/A | OE Number : 17801-21030 |
| 2001 | Toyota | Echo | 1.5L | L4 | N/A | OE Number : 17801-21030 |
| 2000 | Toyota | Echo | 1.5L | L4 | N/A | OE Number : 17801-21030 |
* 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.