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VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
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VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification
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VEVOR Catalytic Converter, 2 Pack, Compatible with 2004-2006 Jeep Wrangler 4.0L L6, Front, Rear, Replacement OE 645174, Stainless Steel Material High Flow Converter, for Exhaust Gas Purification

4.3 52 Reviews
$ 125 99
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Features & Details

  • Compatibility: Our catalytic converter is compatible with Jeep Wrangler 4.0L 2004-2006, Engine: 4.0L L6, Replacement Position: Front, Rear, OE Code: 645174. Please check your vehicle's brand and OE code for compatibility before purchase
  • OBD III Compliance: The catalyst converter is manufactured under strict quality control procedures and meets OBD III standards. Please note that due to California's emission standards, our product does not meet CARB compliance, and it is not sold in those states
  • Efficient Filtration: This car catalytic converter features a honeycomb structure with 400 small compartments and a ceramic carrier, providing a larger surface area and better flow. Coated with a 600-molybdenum catalyst for enhanced catalytic efficiency. The built-in M18 O₂ sensor port is compatible with the original vehicle oxygen sensors
  • Stainless Steel Construction: The high flow catalytic converter is constructed with heavy-duty T409 stainless steel that is heat-proof and rustproof. It is designed to withstand high temperatures and pressure within the exhaust system, ensuring long-lasting durability without worries of bending or melting
  • Direct Replacement: Our catalytic converter is directly compatible with your vehicle, and comes with a full set of accessories including gaskets. Bolt-on and flange-to-flange design allows for easy installation. Quickly resolve the P0420 error code, reduce noise, and purify exhaust gases

Product specification

  • Item Model Number FJY-645174
  • Compatible Engine 4.0L L6
  • Replacement Location Front, Rear
  • Chambers Quantity 400
  • Color Silver
  • Net Weight 21.6 lbs / 9.8 kg

Reviews summary

4.3 52 Reviews
Customers say: Most customers found the product to be functional, easy to install, and a good fit with included hardware, although some reported issues with fitment, welding, or durability, requiring adjustments or replacements.

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Customers say
Most customers found the product to be functional, easy to install, and a good fit with included hardware, although some reported issues with fitment, welding, or durability, requiring adjustments or replacements.
Al-generated from customer reviews
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About this item

Product specification
Item Model Number
FJY-645174
Compatible Engine
4.0L L6
Replacement Location
Front, Rear
Chambers Quantity
400
Color
Silver
Net Weight
21.6 lbs / 9.8 kg
Description
Drive Cleaner, Perform Better
Our catalytic converter efficiently purifies exhaust gases to reduce harmful emissions and safeguard the environment. It helps your vehicle pass emissions tests, reduces fuel consumption, and enhances engine power for an improved driving experience!
We provide a high-efficiency catalyst converter specifically designed for your vehicle. No modifications are needed for easy installation. Tip: Please carefully check and confirm the compatibility of your vehicle's make and model before purchase.
The ceramic carrier with a peak-honeycomb structure increases airflow and surface area to provide more oxygen. Combined with metal catalysts, the car catalytic converter significantly improves purification efficiency, enhances engine performance, and reduces vibration and noise.
The T409 stainless steel casing can withstand high-temperature gases from the exhaust system. The heat-insulating cotton padding avoids damage to the substrate caused by vibration or thermal deformation, ensuring long-lasting durability without concerns of bending or melting.
This high flow catalytic converter not only reduces harmful gas emissions but also resolves issues like the P0420 code, engine abnormalities, and vehicle performance problems, allowing your car to run more smoothly!

Direct Fit for 2004–2006 Jeep Wrangler 4.0L L6, Front & Rear Replacement OE 645174

For 2004–2006 Jeep Wrangler 4.0L L6 engines, this VEVOR Jeep Wrangler catalytic converter replacement is custom-made to fit properly. It fits both the front and back positions and replaces OE 645174, ensuring it fits perfectly with the original mounts. The installation is easy and requires no other changes.


The plant tests every converter to ensure it fits properly and works reliably. It quickly improves the exhaust system's efficiency while keeping the vehicle intact. Because the design is long-lasting and controls emissions for a long time, replacing it is easy and reliable for all users.


Jeep Wrangler Catalytic Converter Replacement with 400-Cell Honeycomb Ceramic Design for High Flow 

This new VEVOR catalytic converter for a Jeep Wrangler features a 400-cell honeycomb ceramic structure. Increasing the surface area inside the converter improves its ability to clean the waste gas. The design makes it easier for gases to flow, lowers backpressure, and helps the engine run easily without losing power.


The honeycomb shape ensures that exhaust gases flow smoothly through the converter. To effectively remove dangerous emissions, it speeds up catalytic reactions. This design keeps the engine running well while cleaning it very well. This ensures quieter operation and reliable performance for both front and rear exhaust systems.


Jeep Wrangler Catalytic Converter Replacement with Catalyst Coating for Cleaner Emission Reduction

This VEVOR new catalytic converter for a Jeep Wrangler has a 600-molybdenum catalyst coating. The coating accelerates the chemical conversion of harmful exhaust gases into less harmful emissions. It ensures emissions are reduced efficiently while maintaining smooth engine performance.


The high-quality molybdenum finish lasts a long time, even at high exhaust temperatures. It keeps the catalytic converter working well for years, making the exhaust cleaner and the air cleaner. It will meet emission standards without affecting how well the car runs, so that drivers can count on it.


Heavy-Duty T409 Stainless Steel Body for Rustproof and Heatproof Performance

Made from strong T409 stainless steel, this VEVOR Jeep Wrangler catalytic converter substitute. The material doesn't rust or bend when it gets hot, so the converter can handle high pressure and very hot exhaust temperatures without breaking, melting, or cracking.


The strong stainless steel design means that it will last for a long time and be reliable. Drivers can rely on the converter to work reliably even in rough conditions. It offers a safe, secure way to handle exhaust while maintaining the car's performance over time.


Built-In M18 Oxygen Sensor Port Compatible with Original Vehicle Sensors

This VEVOR aftermarket catalytic converter for a Jeep Wrangler has an M18 oxygen sensor port built right in. It works with the car's original O2 sensors, so it can accurately track exhaust gases and ensure that both the front and rear converters operate smoothly.


The straight connection between the sensors keeps readings accurate and keeps you from having to make any other changes. Drivers benefit from consistent engine performance, improved gas mileage, and accurate emissions tracking, which makes installation easier and ensures the exhaust system remains accurate.


Manufactured to OBD III Compliance for Reliable Engine and Emission Control

When you buy this VEVOR Jeep Wrangler catalytic converter replacement, you can be sure that it will work with your engine and meet OBD III standards. A lot of care went into making the converter, so it works the same way in the front or the back of the car without changing its operation.


It helps with correct engine diagnostics, which lowers error codes like P0420 and keeps fuel economy high. This converter is reliable for keeping the engine running smoothly, managing waste effectively, and controlling emissions in compliance with government standards.


Bolt-On, Flange-to-Flange Design with Gaskets for Hassle-Free Mounting

This VEVOR catalytic converter replacement for a Jeep Wrangler is a flange-to-flange bolt-on model that includes gaskets. The secure seal and proper alignment for both front and rear converters make it easy to install quickly without the need for welding or other adjustments.


The gaskets and fastening hardware that come with the kit make installation easier and save time. Drivers can easily replace old or broken converters, restoring proper airflow and system performance right away without making any other changes or using any extra tools.


Resolves P0420 Error Code and Reduces Exhaust Noise for Smoother Driving

This VEVOR Jeep Wrangler catalytic converter replacement clears the P0420 catalyst efficiency error code and brings both the front and rear converters back to normal pollution levels. It also reduces exhaust noise, making driving quieter and more relaxing. Installation keeps the car running well without making any other changes or adjustments.


The converter makes the engine more efficient and increases the flow of waste gases by maintaining optimal catalytic activity. Drivers enjoy smoother rides, reduced mechanical noise, and consistent emission control, ensuring the exhaust system lasts longer and performs well.


Product guides and documents
User manual-en (PDF) Review

Questions and Answers (3)

Does this have both upstream and downstream 02 sensor bungs on both forward catalysts? My 2004 Jeep Wrangler has 2 02 sensors on each catalyst (4 total)
Yes, both upstream and downstream oxygen sensor ports are available for both front catalytic converters.
By vevor
Helpful ( 0 )
Is it ready for oxygen sensors or do you have to drill and weld your own in
There is a pre‑reserved hole for the oxygen sensor, so you do not need to drill it yourself.
By vevor
Helpful ( 0 )
Does this include all 3 cats? The 2 pre-cats and the rear cat?
The first two are catalysts, and the last one is a tube.
By vevor
Helpful ( 0 )
Select product protection plan
Accident and warranty protection by Xcotton (partner with AIG)
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