OE Quality
60-Day Returns

Pronto PA99312 Engine Air Filter
Overview of Pronto PA99312 Engine Air Filter
The Pronto PA99312 engine air filter is designed to provide reliable air filtration for select Lexus and Toyota vehicles. Its panel shape and precise dimensions ensure a proper fit for models such as the Lexus RX450h, RX450hL, LFA, and Toyota Highlander.
- Panel-shaped engine air filter with exact fit dimensions
- Side A length: 10.3543 inches
- Side B length: 7.3622 inches
- Side C length: 2.2835 inches
- Compatible with Lexus Highlander, LFA, RX450h, RX450hL and Toyota Highlander
Detailed Product Description
The Pronto PA99312 engine air filter features a panel design tailored to fit specific Lexus and Toyota models. The filter measures 10.3543 inches on Side A, 7.3622 inches on Side B, and 2.2835 inches on Side C, ensuring a secure and accurate fit within the air intake system. This precise sizing helps maintain optimal airflow while effectively filtering out contaminants, supporting engine performance and longevity. The filter is engineered to meet the specifications required by the Lexus RX450h, RX450hL, LFA, and Toyota Highlander, making it a suitable replacement part for these vehicles.
Compatible Vehicles and Applications
- Designed for Lexus RX450h and RX450hL hybrid models
- Fits Lexus LFA sports car air intake systems
- Compatible with Toyota Highlander engine air filtration needs
- Ideal for maintaining engine efficiency and air quality in these models
Installation Notes and Tips
When installing the Pronto PA99312 engine air filter, ensure the panel filter is seated properly within the air filter housing to prevent unfiltered air bypass. Verify the filter dimensions against the existing filter to confirm compatibility. Regular inspection and replacement according to the vehicle manufacturer’s maintenance schedule will help maintain engine performance.
Quality Assurance and Warranty
Pronto engine air filters are manufactured to meet industry standards for filtration and durability. While specific warranty details for the PA99312 are not provided, Pronto products typically adhere to quality control processes to ensure reliable performance in compatible Lexus and Toyota vehicles.
| Brand | Pronto |
| Part Number | PA99312 |
| Shape | Panel |
| Side A Length | 10.3543 |
| Side B Length | 7.3622 |
| Side C Length | 2.2835 |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2022 | Lexus | RX450h | 3.5L | V6 | N/A | ||
| 2022 | Lexus | RX450hL | 3.5L | V6 | N/A | ||
| 2021 | Lexus | RX450h | 3.5L | V6 | N/A | ||
| 2021 | Lexus | RX450hL | 3.5L | V6 | N/A | ||
| 2020 | Lexus | RX450h | 3.5L | V6 | N/A | ||
| 2020 | Lexus | RX450hL | 3.5L | V6 | N/A | ||
| 2019 | Lexus | RX450h | 3.5L | V6 | N/A | ||
| 2019 | Lexus | RX450hL | 3.5L | V6 | N/A | ||
| 2019 | Toyota | Highlander | 3.5L | V6 | ELECTRIC/GAS | N/A | |
| 2018 | Lexus | RX450h | 3.5L | V6 | N/A | ||
| 2018 | Lexus | RX450hL | 3.5L | V6 | N/A | ||
| 2018 | Toyota | Highlander | 3.5L | V6 | ELECTRIC/GAS | N/A | |
| 2017 | Lexus | RX450h | 3.5L | V6 | N/A | ||
| 2017 | Toyota | Highlander | 3.5L | V6 | ELECTRIC/GAS | N/A | |
| 2016 | Lexus | RX450h | 3.5L | V6 | N/A | ||
| 2012 | Lexus | LFA | 4.8L | V10 | N/A | From 05/2012 |
* 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.