Walker 16332 Catalytic Converter - Front

Brand Walker 16332
Position Front
Mounting Hardware Included No
Universal Or Specific Fit Specific
Grade Type Regular
Body Shape Round
Body Length 4.25
Inlet Quantity 1
Body Material Stainless steel
Outlet Quantity 1
California Air Resources Board (CARB) Certified No
Overall Length 12.5
Air Tube No
Air Tube Count No
Body Material Stainless steel
Body Shape (2) round
Converter Quantity 1
Fitment Direct fit
Inlet 1 Type 6 bolt welded flange
Inlet Connection Type 6 bolt flange
Inlet Count 2
Inlet Type 6 bolt welded flange
Max Year Covered 2002
Min Year Covered 2000
Most Popular Make / Model Nissan sentra
Most Popular Year 2002
Outlet 1 Type 3 bolt welded flange
Outlet Connection Type 3 bolt flange
Outlet Count 2
Outlet Type 3 bolt welded flange
Overall Length 12.500
Oxygen sensor location Post catalyst
Product line EPA
Fits Nissan · 3 vehicles

Direct-fit replacement. Installs with a specific fit for straightforward service.

Stainless steel body. Helps resist corrosion for dependable exhaust performance.

Ceramic substrate. Supports efficient catalytic conversion and emissions control.

Cross-references AMS Automotive 4356, AP Exhaust 641200 and BRExhaust 099-1433 for the same application. See all 8.

$627.68Free shipping
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Order total $627.68
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker EPA Direct-Fit Catalytic Converter

Walker EPA Part Number 16332 is a direct-fit catalytic converter for select 2000-2002 Nissan Sentra front applications. It is built for OBDII-era vehicles and uses a stainless steel body with a ceramic substrate for EPA-compliant replacement performance.

Key Features

  • Direct-fit design for straightforward replacement on the listed Nissan Sentra applications
  • EPA-compliant replacement converter for federal-emissions vehicles
  • Stainless steel body construction
  • Ceramic substrate material
  • Front position fitment with 6-bolt welded flange inlet and 3-bolt welded flange outlet
  • Post-catalyst oxygen sensor location
  • Walker EPA 16332 cross-references select aftermarket numbers for the same application

Product Details

Walker EPA 16332 is part of the Walker Ultra Direct-Fit Catalytic Converter line, which is built for import and domestic OBDII vehicles and focused on EPA-standard replacement fitment. This converter is engineered for 2000-2002 Nissan Sentra front applications and is listed for federal-emissions use, including specific notes for Fed. and Calif. emission models where applicable. The round stainless steel body, direct-fit configuration, and welded flange connections support a factory-style exhaust repair on the Nissan Sentra.

This part cross-references Eastern Catalytic 40412 and AP Exhaust 641200 for the same application.

Common Repair Uses

  • Check engine light related to catalyst efficiency
  • Failed emissions inspection on a federal-emissions vehicle
  • Restricted exhaust flow from a worn or damaged converter
  • Exhaust leaks at the converter connection points
  • Replacement of an aging front catalytic converter on a Nissan Sentra

Installation Notes

Fits 2000-2002 Nissan Sentra, front. Exhaust gasket is recommended. Additional parts are needed to complete installation: 31719 and 2 of 31541. Verify emissions requirements before installation, since this converter is not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only.

Quality Assurance

Walker EPA converters are built to meet EPA standards for listed applications and are intended for direct-fit replacement on the specified vehicle range. Part Number 16332 is designed for the 2000-2002 Nissan Sentra front exhaust configuration with the stated inlet and outlet flange types.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2002NissanSentra1.8LL4FrontFits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31719 and 2 of 31541; Ultra Direct Fit Type; EPA
2001NissanSentra1.8LL4FrontFits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31719 and 2 of 31541; Ultra Direct Fit Type; EPA
2000NissanSentra1.8LL4FrontFits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Additional part(s) needed to complete installation - 31719 and 2 of 31541; Ultra Direct Fit Type; EPA
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 4356AP Exhaust — 641200BRExhaust — 099-1433Continental — 49103Eastern Catalytic — 40412104323549642753