OE Quality
60-Day Returns

AP Exhaust 774398 Catalytic Converter - Left
Overview of AP Exhaust Catalytic Converter 774398
The AP Exhaust catalytic converter part number 774398 is designed specifically for Ford F-150 models. This component plays a critical role in reducing harmful emissions and maintaining compliance with environmental standards.
- Compatible with Ford F-150 vehicles
- Part number 774398 for precise identification
- Belongs to the AP Exhaust 4FMXT05.4R4P product line
- Designed to meet emission control requirements
- Durable construction for reliable performance
Details on the 4FMXT05.4R4P Product Line
The 4FMXT05.4R4P product line from AP Exhaust includes catalytic converters engineered to fit specific vehicle applications such as the Ford F-150. This line focuses on providing components that align with factory specifications to ensure proper fitment and function within the exhaust system.
Product Description and Function
This catalytic converter (part number 774398) is engineered to convert exhaust gases from the Ford F-150 into less harmful emissions by facilitating chemical reactions that reduce pollutants. It integrates seamlessly with the vehicle’s exhaust system to support emission control and maintain engine efficiency.
Common Applications and Problem Resolution
- Replacement for faulty or damaged catalytic converters on Ford F-150
- Helps resolve issues related to failed emissions tests
- Addresses reduced engine performance caused by clogged converters
- Mitigates excessive exhaust odors and smoke
- Supports compliance with environmental regulations
Installation Notes and Tips
Installation should be performed by a qualified technician familiar with Ford F-150 exhaust systems. Proper alignment and secure mounting are essential to prevent exhaust leaks and ensure optimal converter function. Verify compatibility with the vehicle’s model year and engine specifications before installation.
Quality Assurance and Warranty
AP Exhaust catalytic converters are manufactured to meet industry standards for durability and performance. While specific warranty details for part number 774398 are not provided here, AP Exhaust products typically adhere to quality control measures to ensure reliability in emission control applications.
This part fits 3 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Ford | F-150 | RWD | 5.4L | V8 | Left | Direct Fit - California; 5FMXT05.4R4P; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 5FMXT05.4R4P; 5FMXT05.4R4P |
| 2004 | Ford | F-150 | RWD | 5.4L | V8 | Left | Direct Fit - California; 4FMXT05.4R4P; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 4FMXT05.4R4P; 4FMXT05.4R4P |
| 2004 | Ford | F-150 | RWD | 5.4L | V8 | Left | Direct Fit - California; 4FMXT05.4PP7; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 4FMXT05.4PP7; 4FMXT05.4PP7 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.