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AP ExhaustPart #: 774016
AP Exhaust 774016 Catalytic Converter - Front
17 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
4TYXT03.4VRH, Front
Fitment: Toyota, 4Runner, Tacoma, and Tundra
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AP Exhaust 774016 Catalytic Converter
AP Exhaust 774016 is a direct-fit front catalytic converter for select Toyota trucks and SUVs with California emissions requirements. It is built to OE dimensions for proper fitment on the listed applications, including Toyota Tacoma, Toyota Tundra, and Toyota 4Runner models.
Key Features
- Direct-fit front catalytic converter
- Built to OE dimensions for listed Toyota applications
- California emissions compliant for the specified vehicles
- Uses AP Exhaust ARISTO substrate chemistry for efficient catalyst loading
- Manufactured with automated workstations, spinner welding, and high-speed production lines
- Part number 774016 for ordering and catalog lookup
Compatible Vehicle Applications
- Fits 2004 Toyota Tacoma, front, Direct Fit - California; EO Number: D-798-14.
- Fits 2004 Toyota Tundra, front, Direct Fit - California; EO Number: D-798-14.
- Fits 2003 Toyota Tacoma, front, Direct Fit - California; EO Number: D-798-14.
- Fits 2003 Toyota Tundra, front, Direct Fit - California; EO Number: D-798-14.
- Fits 2002 Toyota 4Runner, front, Direct Fit - California; EO Number: D-798-14.
- Fits 2002 Toyota Tacoma, front, Direct Fit - California; EO Number: D-798-14.
- Fits 2002 Toyota Tundra, front, Direct Fit - California; EO Number: D-798-14.
- Fits 2001 Toyota 4Runner, front, Direct Fit - California; EO Number: D-798-14.
- Fits 2001 Toyota Tacoma, front, Direct Fit - California; EO Number: D-798-14.
- Fits 2001 Toyota Tundra, front, Direct Fit - California; EO Number: D-798-14.
- Fits 2000 Toyota 4Runner, front, Direct Fit - California; EO Number: D-798-14.
- Fits 2000 Toyota Tacoma, front, Direct Fit - California; EO Number: D-798-14.
- Fits 2000 Toyota Tundra, front, Direct Fit - California; EO Number: D-798-14.
- Fits 1999 Toyota 4Runner, front, Direct Fit - California; EO Number: D-798-14.
What This Part Helps Address
- Failed or inefficient front catalytic converter output
- Check engine light concerns related to catalyst performance
- Emissions test failures on California-spec Toyota applications
- Exhaust restriction caused by a worn converter
- Fitment issues from non-OE-style replacement parts
Installation Notes and Tips
Confirm the vehicle year, model, and California emissions configuration before ordering. This AP Exhaust catalytic converter is listed as a front-position, direct-fit replacement, so matching the exact application is important for proper installation and emissions compliance. For Toyota Tacoma, Toyota Tundra, and Toyota 4Runner fitment, verify the EO number and existing converter configuration against the vehicle identification information.
Quality Assurance
AP Exhaust uses proprietary ARISTO substrate chemistry and controlled manufacturing processes to produce converters built to exact OE dimensions and fitment. This part is identified for California emissions compliance on the listed applications under EO Number D-798-14.
This part fits 17 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Toyota | Tacoma | 3.4L | V6 | Front | Direct Fit - California; 4TYXT03.4VRH; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 4TYXT03.4VRH; 4TYXT03.4VRH |
| 2004 | Toyota | Tacoma | 3.4L | V6 | Front | Direct Fit - California; 4TYXT03.4VRM; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 4TYXT03.4VRM; 4TYXT03.4VRM |
| 2004 | Toyota | Tundra | 3.4L | V6 | Front | Direct Fit - California; 4TYXT03.4VRM; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 4TYXT03.4VRM; 4TYXT03.4VRM |
| 2003 | Toyota | Tacoma | 3.4L | V6 | Front | Direct Fit - California; 3TYXT03.4FFP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 3TYXT03.4FFP; 3TYXT03.4FFP |
| 2003 | Toyota | Tacoma | 3.4L | V6 | Front | Direct Fit - California; 3TYXT03.4FFH; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 3TYXT03.4FFH; 3TYXT03.4FFH |
| 2003 | Toyota | Tundra | 3.4L | V6 | Front | Direct Fit - California; 3TYXT03.4FFP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 3TYXT03.4FFP; 3TYXT03.4FFP |
| 2002 | Toyota | 4Runner | 3.4L | V6 | Front | Direct Fit - California; 2TYXT03.4FFP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 2TYXT03.4FFP; 2TYXT03.4FFP |
| 2002 | Toyota | Tacoma | 3.4L | V6 | Front | Direct Fit - California; 2TYXT03.4FFH; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 2TYXT03.4FFH; 2TYXT03.4FFH |
| 2002 | Toyota | Tacoma | 3.4L | V6 | Front | Direct Fit - California; 2TYXT03.4FFP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 2TYXT03.4FFP; 2TYXT03.4FFP |
| 2002 | Toyota | Tundra | 3.4L | V6 | Front | Direct Fit - California; 2TYXT03.4FFP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 2TYXT03.4FFP; 2TYXT03.4FFP |
| 2001 | Toyota | 4Runner | 3.4L | V6 | Front | Direct Fit - California; 1TYXT03.4FFP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 1TYXT03.4FFP; 1TYXT03.4FFP |
| 2001 | Toyota | Tacoma | 3.4L | V6 | Front | Direct Fit - California; 1TYXT03.4FFP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 1TYXT03.4FFP; 1TYXT03.4FFP |
| 2001 | Toyota | Tundra | 3.4L | V6 | Front | Direct Fit - California; 1TYXT03.4FFP; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; 1TYXT03.4FFP; 1TYXT03.4FFP |
| 2000 | Toyota | 4Runner | 3.4L | V6 | Front | Direct Fit - California; YTYXT03.4FFR; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; YTYXT03.4FFR; YTYXT03.4FFR |
| 2000 | Toyota | Tacoma | 3.4L | V6 | Front | Direct Fit - California; YTYXT03.4FFR; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; YTYXT03.4FFR; YTYXT03.4FFR |
| 2000 | Toyota | Tundra | 3.4L | V6 | Front | Direct Fit - California; YTYXT03.4FFR; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; YTYXT03.4FFR; YTYXT03.4FFR |
| 1999 | Toyota | 4Runner | 3.4L | V6 | Front | Direct Fit - California; XTYXT03.4GXS; ALL; Legal Note: In Compliance with California Emissions Requirements; EO Number : D-798-14; XTYXT03.4GXS; XTYXT03.4GXS |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.