
( Brand: Lqsqp ), ( Country Of Origin: China ), ( Restricted States: California, New York, Colorado Maine ), ( Fitment Type: Direct Replacement ), ( Fit The Emissions Standard: Epa Obd Ii Approved ), ( Engine: 4.0l ), ( Type: Catalytic Converter ), ( Placement On Vehicle: Front ), ( Labels Certifications: Epa ), ( Features: 100 Accuracy Of Fit, Bolt-on Connection, Easy To Replace ), ( Manufacturer Part Number: LJF-040 ), ( Oe/oem Part Number: 645174 20379, 0793140, 19281, 5110 ), ( Items Included: Bolts, Screw, Seal ), ( Body Material: Stainless Steel ), ( Manufacturer Warranty: 1 Year ), ( Substrate Material: Ceramic ), ( Body Length: 28.74x25.5x14.1 Inches ), ( Universal Fitment: No ), ( Performance Part: Yes ), ( Finish: Polished ), ( Item Weight: 25.35lb ), ( Ipn: 645174 20379 )
Review LQSQP Front Catalytic Converter Jeep 4.0l fits WRANGLER 2004–2006
The LQSQP LJF-040 Front Catalytic Converter is a superior replacement part designed specifically for the 2004-2006 Jeep Wrangler with a 4.0L engine. This catalytic converter is engineered to meet or exceed original equipment manufacturer (OEM) specifications, ensuring optimal performance and fuel efficiency.
The LJF-040 Front Catalytic Converter is constructed with high-quality materials to withstand the rigorous conditions of off-road driving. The housing is made of durable cast aluminum, while the monolithic catalyst core is composed of advanced ceramic substrate material. The substrate is coated with a precious metal catalyst, which promotes efficient catalytic conversion of harmful exhaust gases into less harmful emissions.
This catalytic converter features a 4-in-1 design, which integrates the functions of a catalytic converter, diesel particulate filter (DPF), oxidation catalyst, and nitrogen oxide (NOx) reduction catalyst into a single unit. This not only simplifies installation but also reduces the overall weight and complexity of the exhaust system.
The LQSQP LJF-040 Front Catalytic Converter is CARB (California Air Resources Board) and federal emissions compliant, ensuring that it meets the strictest emissions standards. It is also designed to fit seamlessly into the stock exhaust system, making it a direct replacement without the need for any modifications.
When it comes to durability, this catalytic converter is second to none. It is designed to resist the corrosive effects of exhaust gases, saltwater, and other harsh environmental conditions. Its robust design also makes it resistant to impact damage, ensuring that it can handle the rough terrain that Jeep Wranglers are known for.
The LQSQP LJF-040 Front Catalytic Converter comes with a comprehensive warranty, giving you peace of mind and protection against any manufacturing defects. It is also backed by excellent customer service, ensuring that any questions or concerns are addressed promptly and professionally.
In summary, the LQSQP LJF-040 Front Catalytic Converter is a high-quality replacement part that delivers optimal performance, durability, and emissions compliance for the 2004-2006 Jeep Wrangler with a 4.0L engine. Its advanced design, superior materials, and rigorous testing make it an excellent choice for anyone looking to upgrade their exhaust system or maintain their Jeep's performance and emissions compliance.
The LQSQP LJF-040 Front Catalytic Converter is a common aftermarket replacement catalytic converter for the 2004-2006 Jeep Wrangler with a 4.0L engine. Here are some pros and cons to consider before making a purchase:
Pros:1. Cost-effective: Aftermarket catalytic converters, such as the LQSQP LJF-040, tend to be more affordable than OEM (original equipment manufacturer) converters.
2. Availability: Aftermarket catalytic converters are often more readily available than OEM converters, which can save time during the repair process.
3. Performance: Aftermarket catalytic converters can sometimes offer improved performance over OEM converters, such as increased fuel efficiency and reduced exhaust emissions.
Cons:1. Quality concerns: Aftermarket catalytic converters may not meet the same quality standards as OEM converters. The LQSQP LJF-040, for instance, may not be as durable or effective as an OEM converter.
2. Fitment issues: While many aftermarket catalytic converters fit correctly, there is a risk of fitment issues that may require additional modifications or adjustments.
3. Warranty: Aftermarket catalytic converters often come with shorter warranties than OEM converters, which can be a concern for some buyers.
Ending Conclusion:The LQSQP LJF-040 Front Catalytic Converter offers cost savings and availability advantages over OEM converters. However, it may not match the same quality and durability standards, and there is a risk of fitment issues. Ultimately, the decision to purchase an aftermarket catalytic converter like the LQSQP LJF-040 depends on your budget, time constraints, and tolerance for potential risks.
Recommendation:If you are looking for an affordable and readily available catalytic converter for your 2004-2006 Jeep Wrangler 4.0L, the LQSQP LJF-040 may be a suitable option. However, be aware that it might not match the performance and durability of an OEM converter. If you prioritize quality and peace of mind, consider investing in a genuine OEM catalytic converter.
specifications catalyticonvo:
- for models: Wrangler
- for makes: Jeep
- for years: 2004-2006
- brand: Lqsqp
- country of origin: China
- restricted states: California, New York, Colorado Maine
- fitment type: Direct Replacement
- fit the emissions standard: Epa Obd Ii Approved
- engine: 4.0l
- type: Catalytic Converter
- placement on vehicle: Front
- labels certifications: Epa
- features: 100 Accuracy Of Fit, Bolt-on Connection, Easy To Replace
- manufacturer part number: LJF-040
- oe/oem part number: 645174 20379, 0793140, 19281, 5110
- items included: Bolts, Screw, Seal
- body material: Stainless Steel
- manufacturer warranty: 1 Year
- substrate material: Ceramic
- body length: 28.74x25.5x14.1 Inches
- universal fitment: No
- performance part: Yes
- finish: Polished
- item weight: 25.35lb
- interchange part number: 645174 20379
returns catalyticonvo:
- time: 30 Days
- paid by: Seller
- policy: Returns Accepted
offer catalyticonvo:
- sold: 0
- options: Ship-to-home
- availability: In Stock
- quantity: 5
- best offers: True
- started: November 14, 2025
seller catalyticonvo:
- rating: 0.0%
- # reviews: 0
general catalyticonvo:
- condition: New
- Car Truck Parts Accessories > Exhaust Emission Systems > Catalytic Converters
payments catalyticonvo:
- credit card: Diners-club
- wallet: Google-pay
- other
shipping catalyticonvo:
- cost: $0.00
- class: Standard
- type: Fixed
- service: FedEx Ground / FedEx Home Delivery
- transit: 5-11 Days
- carrier: FedEx
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- Lqsqp Ljf-047 2x Fits Toyota 4runner / Fj Cruiser 2003 - 2012 4.0l Catalytic Converter (44.3% similar) Well-adapted: able to be applied in rain and snow. Compatible for. Toyota 4 runner 2003 -2012 4.0L. Premium substrate material and a high-technology wash coat. Light-weight and fast air flow design. Great emissions control device with stable performance, reliable quality and long service. (January 19th, 2026)