MagnaFlow
Direct-Fit CALIFORNIA OBDII CONVERTERS

MagnaFlow 551833 Catalytic Converter

Brand MagnaFlow 551833
Mounting Hardware Included Yes
Universal Or Specific Fit Specific
Grade Type Regular
Tube Material Stainless steel
Inlet Type Bolt-on
Outlet Type B
Heat Shield Attached No
Body Material Stainless steel
Outlet Quantity 1
Substrate Material Ceramic
Overall Length 33
Air Tube Count 0
Air Tube Adaptable No
Clamp Included No
Converter Quantity 1
Finish Stainless steel
Hangers Included No
Heat Shield Material None
Type Direct-fit
Product line Direct-Fit CALIFORNIA OBDII CONVERTERS
Fits Nissan · 10 vehicles

Direct-fit replacement. Installs with bolt-on convenience and no cutting or welding required.

Stainless steel construction. Resists corrosion for long-lasting exhaust durability.

CARB compliant. Meets California Air Resources Board requirements for legal use where required.

Cross-references 20010-EM30A, 20010-EM31A and 20010-ZR70A for the same application. See all 8.

$866.09Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $866.09
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

California OBDII Direct-Fit Converter

MagnaFlow 551833 is a California Grade, CARB-compliant direct-fit catalytic converter for the 2007-2012 Nissan Versa. It is built for a bolt-on installation with stainless steel construction, a ceramic substrate, and OE-style fitment for emissions repair on listed vehicles.

Designed for the Nissan Versa, this direct-fit converter uses spun-body construction, mandrel-bent tubing, and a compact low-mass layout to support efficient exhaust flow and thermal performance. MagnaFlow’s 3D scanning-based development process helps the part match original equipment dimensions and function.

Key Features

  • Direct-fit catalytic converter for specific 2007-2012 Nissan Versa applications
  • California Grade CARB-compliant design for listed California and CARB-restricted state vehicles
  • Stainless steel body and tubing for corrosion resistance
  • Ceramic substrate with OE-style spun body construction
  • Single laser fusion weld to reduce leak points
  • Bolt-on inlet for installation without cutting or welding
  • Mounting hardware included

Detailed Description

MagnaFlow Direct-Fit CALIFORNIA OBDII CONVERTERS 551833 is engineered as a replacement catalytic converter for the 2007-2012 Nissan Versa. It interchanges with OE part numbers 20010-ZR71A and 20010-EM31A, and it is built to meet or exceed California Air Resources Board requirements for the listed vehicles. This part cross-references OE numbers 20010-ZR71A and 20010-EM31A for the same application.

The MagnaFlow Direct-Fit CALIFORNIA OBDII CONVERTERS line focuses on OE-style replacement parts that are shaped and validated for specific vehicle applications. For this Nissan Versa catalytic converter, that means a direct-fit layout, stainless steel construction, and included gaskets and hardware to help create a secure seal during installation.

What This Part Helps Address

  • Check engine light caused by catalytic converter efficiency faults
  • Failed emissions inspection on a listed Nissan Versa application
  • Corrosion-related exhaust leaks at the converter assembly
  • Damaged or worn OE catalytic converter housing
  • Fitment issues from using a universal exhaust replacement

Installation Notes and Tips

Fits 2007-2012 Nissan Versa, N/A. Use the proper tools for a bolt-on installation; cutting and welding are not required. The included gaskets and hardware help reduce the chance of a leaking seal and avoid reusing corroded factory fasteners. Verify the vehicle’s emissions certification and engine family against the listed fitment notes before installation.

Quality Assurance

This MagnaFlow catalytic converter is designed to comply with CARB guidelines for legal use in California and other CARB-restricted states on the listed vehicles. MagnaFlow also uses 3D scanning during development to support OE-style fit and function.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2012NissanVersa1.8LL4N/ACertification Level : LEV2 ULEV; CARB Executive Order D-193-133; Engine Family Number CNSXV01.8G1A; Direct-Fit CALIFORNIA OBDII CONVERTERS
2011NissanVersa1.6LL4N/ACertification Level : LEV2 ULEV; CARB Executive Order D-193-133; Engine Family Number BNSXV01.6G4A; Direct-Fit CALIFORNIA OBDII CONVERTERS
2011NissanVersa1.8LL4N/ACertification Level : LEV2 ULEV; CARB Executive Order D-193-133; Engine Family Number BNSXV01.8G1A; Direct-Fit CALIFORNIA OBDII CONVERTERS
2010NissanVersa1.6LL4N/ACertification Level : LEV2 ULEV; CARB Executive Order D-193-133; Engine Family Number ANSXV01.6G4A; Direct-Fit CALIFORNIA OBDII CONVERTERS
2010NissanVersa1.8LL4N/ACertification Level : LEV2 ULEV; CARB Executive Order D-193-133; Engine Family Number ANSXV01.8G1A; Direct-Fit CALIFORNIA OBDII CONVERTERS
2009NissanVersa1.6LL4N/ACertification Level : LEV2 ULEV; CARB Executive Order D-193-133; Engine Family Number 9NSXV01.6G4A; Direct-Fit CALIFORNIA OBDII CONVERTERS
2009NissanVersa1.8LL4N/ACertification Level : LEV2 ULEV; CARB Executive Order D-193-133; Engine Family Number 9NSXV01.8G1A; Direct-Fit CALIFORNIA OBDII CONVERTERS
2008NissanVersa1.8LL4N/ACertification Level : LEV2 ULEV; CARB Executive Order D-193-133; Engine Family Number 8NSXV01.8G1A; Direct-Fit CALIFORNIA OBDII CONVERTERS
2008NissanVersa1.8LL4N/ACertification Level : LEV2 ULEV; CARB Executive Order D-193-133; Engine Family Number 8NSXV01.8G1B; Direct-Fit CALIFORNIA OBDII CONVERTERS
2007NissanVersa1.8LL4N/ACertification Level : LEV2 ULEV; CARB Executive Order D-193-133; Engine Family Number 7NSXV01.8G1A; Direct-Fit CALIFORNIA OBDII CONVERTERS
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
20010-EM30A20010-EM31A20010-ZR70A20010-ZR71A20010EM30A20010EM31A20010ZR70A20010ZR71A