ONE STOP EXHAUST 497-MKH29 Catalytic Converter 4.0L 1SE

( Brand: One Stop Exhaust ), ( Oe Spec Or Performance/custom: Oe Spec ), ( Fitment Type: Direct Replacement ), ( Items Included: Bolts, Mounting Hardware, Screw, Seal ), ( Manufacturer Part Number: 497-MKH29 ), ( California Prop 65 Warning: Restricted ), ( Type: Catalytic Converter ), ( Substrate Material: Ceramic ), ( Manufacturer Warranty: 1 Year ), ( Labels Certifications: Epa ), ( Features: 100 Accuracy Of Fit, Bolt-on Connection, Easy To Replace, No Drilling Required, Sealed ), ( Country Of Origin: Canada )

Review ONE STOP EXHAUST Lexus 4.0l Both Side Direct Fit Catalytic Converter 1se fits LS400 1990–1997

Introducing the 497-MKH29 catalytic converter, a precision-engineered component designed specifically for the 1990-1997 Lexus LS400 with a 4.0L engine. This catalytic converter is a crucial part of your vehicle's exhaust system, responsible for reducing harmful emissions before they are released into the environment.

The MKH29 catalytic converter is a 1SE design, which signifies that it is a high-performance catalytic converter. It features a honeycomb monolithic substrate structure, coated with a noble metal catalyst that promotes efficient and effective emission reduction. This converter complies with the stringent Federal Emission Standards (FEVS) for these model years, ensuring that your Lexus LS400 remains eco-friendly and emissions compliant.

The dimensions of this catalytic converter are as follows: Length - 20 inches (508 mm), Width - 2.5 inches (63.5 mm), and Height - 3.5 inches (88.9 mm). The inlet and outlet diameters measure 2.5 inches (63.5 mm) and 2.9 inches (73.7 mm), respectively.

The MKH29 catalytic converter is designed with durability in mind. It is constructed from high-strength stainless steel to resist corrosion and withstand the rigors of everyday driving. The welds are also precision-engineered for maximum strength and durability.

Installing the MKH29 catalytic converter in your Lexus LS400 is a straightforward process. It is designed to be a direct replacement for the OEM component, ensuring a perfect fit and minimal modifications required during installation. The converter comes with all necessary mounting hardware and gaskets, making your installation experience hassle-free.

In summary, the 497-MKH29 catalytic converter is a high-performance, direct-fit component designed for the 1990-1997 Lexus LS400 with a 4.0L engine. This converter is FEVS compliant, featuring a honeycomb monolithic substrate structure and a noble metal catalyst for efficient emission reduction. It is constructed from high-strength stainless steel for durability and comes with all necessary mounting hardware and gaskets for a hassle-free installation.

Buying a 1990-1997 Lexus LS400 4.97-mkh29 4.0L catalytic converter (1SE) comes with several pros and cons that are essential to consider before making a purchase.

1. Improved Emission Control: A new catalytic converter helps reduce harmful emissions from your vehicle, making it eco-friendly and meeting the required emission standards.

2. Enhanced Engine Performance: A functional catalytic converter ensures optimal engine performance and efficiency, reducing the risk of engine damage and improving overall driveability.

3. Potential Savings: Purchasing and installing a new catalytic converter may save you money in the long run, as compared to dealing with potential engine damage and the associated repair costs.

1. Cost: Catalytic converters can be quite expensive, especially for high-end luxury vehicles like the Lexus LS400.

2. Installation Complexity: Catalytic converter installation can be a complex process, requiring specialized tools and knowledge.

3. Potential for False Catalytic Converter Failures: In some cases, the check engine light may come on due to a faulty sensor, rather than a faulty catalytic converter. This can lead to unnecessary replacement costs.

Considering the pros and cons, buying a 1990-1997 Lexus LS400 4.97-mkh29 4.0L catalytic converter can be a worthwhile investment for those seeking improved emission control, enhanced engine performance, and potential long-term savings. However, it is crucial to ensure that the catalytic converter is indeed the cause of any performance issues, as false failures can lead to unnecessary replacement costs. To minimize the risk of false failures, consider having a professional mechanic diagnose the issue before purchasing a new catalytic converter.

If you have confirmed that the catalytic converter is indeed the root cause of any performance issues with your 1990-1997 Lexus LS400, purchasing a new, high-quality catalytic converter can be a wise investment. Ensure that the replacement catalytic converter is compatible with your vehicle and installed by a qualified mechanic to ensure optimal performance and longevity.

part # 497mkh29 price

• $20.19

specifications catalyticonvo:

• for models: Ls400
• for makes: Lexus
• for years: 1990-1997
• brand: One Stop Exhaust
• oe spec or performance/custom: Oe Spec
• fitment type: Direct Replacement
• items included: Bolts, Mounting Hardware, Screw, Seal
• manufacturer part number: 497-MKH29
• california prop 65 warning: Restricted
• type: Catalytic Converter
• substrate material: Ceramic
• manufacturer warranty: 1 Year
• labels certifications: Epa
• features: 100 Accuracy Of Fit, Bolt-on Connection, Easy To Replace, No Drilling Required, Sealed
• country of origin: Canada

returns catalyticonvo:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

offer catalyticonvo:

• options: Ship-to-home
• quantity: 10
• sold: 0
• started: January 10, 2026
• availability: In Stock

shipping catalyticonvo:

• transit: 4-11 Days
• cost: $0.00
• service: Economy
• type: Fixed
• class: Economy

general catalyticonvo:

• condition: New
• Car Truck Parts Accessories > Exhaust Emission Systems > Catalytic Converters

payments catalyticonvo:

• other
• credit card: Visa
• wallet: Paypal

seller catalyticonvo:

• rating: 89.5%
• # reviews: 992

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