AP Exhaust 645255 Catalytic Converter - Right

Name: AP Exhaust 645255 Catalytic Converter - Right
Brand: AP Exhaust
SKU: BBDL-645255
Price: 531.30 USD
Availability: InStock

Right

⚙️ 33 vehicles fit this part

🔍

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

$531.30Free Shipping

🚚Free ShippingNo Cost to Continental U.S.

🔄Free Returns*Wrong fit? No cost

🛡️60-Day ReturnsMoney back guarantee

*Free return shipping only qualifies if our fitment verification tool is used.

🔥

✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.

✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Ford, F-150 and F-150 Heritage

🔄Easy Returns — Return within 60 days for a full refund

🚚Fast Shipping — Most orders ship same business day before 1pm CST

Not what you need? Click here for all Catalytic Converter options

AP Exhaust Catalytic Converter for Ford F-150 Models

The AP Exhaust catalytic converter part number 645255 is designed specifically for Ford F-150 and F-150 Heritage trucks. Engineered with durable stainless steel and a ceramic substrate, this federal EPA direct-fit converter ensures compliance with emissions standards while maintaining optimal exhaust flow.

Constructed from corrosion-resistant stainless steel body
Federal EPA direct-fit catalytic converter for Ford F-150 and F-150 Heritage
Inlet features a 2 bolt loose flange with spherical flare and 2.50" ID pipe
Outlet includes a 2.50" OD pipe with included hardware
Equipped with one or two O2 sensor ports for accurate emissions monitoring
Overall length of 47 inches for precise fitment
Ceramic substrate for effective catalytic conversion
No inlet or outlet gaskets required

Product Details and Specifications

The AP Exhaust 645255 catalytic converter is built with a stainless steel body to resist rust and corrosion, extending the service life of your exhaust system. It features a ceramic substrate that efficiently converts harmful exhaust gases into less harmful emissions, meeting federal EPA standards. The inlet side uses a 2 bolt loose flange with a spherical flare and a 2.50" inner diameter pipe, while the outlet side has a 2.50" outer diameter pipe and includes the necessary hardware for connection. This converter supports one or two O2 sensor ports, allowing for proper sensor installation and accurate engine management. With an overall length of 47 inches, it is designed for a direct-fit installation on Ford F-150 and F-150 Heritage models, ensuring compatibility without the need for modifications.

Compatible Vehicles and Applications

Ford F-150 (various model years)
Ford F-150 Heritage
Replacement for worn or damaged catalytic converters
Emissions system repairs to meet federal EPA requirements
Restoring proper exhaust flow and reducing harmful emissions

Installation Notes and Tips

This catalytic converter does not require inlet or outlet gaskets, simplifying installation. The included outlet hardware facilitates secure attachment to the exhaust system. Ensure that the O2 sensors are properly installed in the designated ports to maintain accurate emissions readings. Due to the direct-fit design, no modifications to the exhaust piping are typically necessary. Professional installation is recommended to verify proper fitment and function.

Quality Assurance and Warranty

AP Exhaust catalytic converters are manufactured to meet federal EPA standards for emissions control. The stainless steel construction and ceramic substrate provide durability and reliable performance. While specific warranty details are not provided here, AP Exhaust products generally come with manufacturer-backed quality assurance. Verify warranty terms with the product documentation or supplier.

Brand	AP Exhaust
Part Number	645255
Body Material	Stainless steel
Inlet Gasket	Not required
Inlet Hardware	None
Inlet Type A	2 bolt loose flange w/ spherical flare
Inlet Type B	2.50" id
O2 Sensor Ports	1
O2 Sensor Ports	2
Outlet Gasket	Not required
Outlet Hardware	Yes
Outlet Type A	2.50" od pipe
Overall Length (IN)	47
Substrate Material	Ceramic
Type	Federal / epa direct-fit

This part fits 33 vehicles. Search below:

Year	Make	Model	Drive Type	Liters	Cylinders	Wheel Base	Position	Notes
2004	Ford	F-150 Heritage	RWD	4.2L	V6	120.2"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; (Old Body Style)
2004	Ford	F-150 Heritage	RWD	4.2L	V6	138.5"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; (Old Body Style)
2004	Ford	F-150 Heritage	RWD	4.2L	V6	119.9"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; (Old Body Style)
2004	Ford	F-150 Heritage	RWD	4.2L	V6	138.8"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; (Old Body Style)
2004	Ford	F-150 Heritage	RWD	4.2L	V6		Right	Direct Fit; (Heritage); Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2003	Ford	F-150	RWD	4.2L	V6	139.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2003	Ford	F-150	RWD	4.2L	V6	157.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2003	Ford	F-150	RWD	4.2L	V6	120.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2003	Ford	F-150	RWD	4.2L	V6		Right	Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2002	Ford	F-150	RWD	4.2L	V6	120.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2002	Ford	F-150	RWD	4.2L	V6	139.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2002	Ford	F-150	RWD	4.2L	V6	157.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2002	Ford	F-150	RWD	4.2L	V6		Right	Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2001	Ford	F-150	RWD	4.2L	V6	120.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2001	Ford	F-150	RWD	4.2L	V6	139.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2001	Ford	F-150	RWD	4.2L	V6	157.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2001	Ford	F-150	RWD	4.2L	V6		Right	Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2000	Ford	F-150	RWD	4.2L	V6	120.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2000	Ford	F-150	RWD	4.2L	V6	157.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2000	Ford	F-150	RWD	4.2L	V6	139.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
2000	Ford	F-150	RWD	4.2L	V6		Right	Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1999	Ford	F-150	RWD	4.2L	V6	139.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1999	Ford	F-150	RWD	4.2L	V6	120.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1999	Ford	F-150	RWD	4.2L	V6	157.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1999	Ford	F-150	RWD	4.2L	V6		Right	Direct Fit; With 2 Converters; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1998	Ford	F-150	RWD	4.2L	V6	157.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1998	Ford	F-150	RWD	4.2L	V6	139.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1998	Ford	F-150	RWD	4.2L	V6	120.0"	Right	Direct Fit; (2WD); Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1998	Ford	F-150	RWD	4.2L	V6		Right	Direct Fit; With 2 Converters; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1997	Ford	F-150	RWD	4.2L	V6	139.0"	Right	Direct Fit; [C1]; Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1997	Ford	F-150	RWD	4.2L	V6	157.0"	Right	Direct Fit; [C1]; Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1997	Ford	F-150	RWD	4.2L	V6	120.0"	Right	Direct Fit; [C1]; Direct fit converter may require resizing, cutting or bushing.; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
1997	Ford	F-150	RWD	4.2L	V6		Right	Direct Fit; With 2 Converters; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.

* 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:

2L3Z5E212AA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.