StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • Use in AI assistants
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.
TermsPrivacy
Deal.ai › Nissan
Nissan
Nissan Altima 2019-2023 Rear Catalytic Converter with Flex 2.5L

Nissan Altima 2019-2023 Rear Catalytic Converter with Flex 2.5L

Best price now

$117.00at eBayChecked Nov 9

Prices are checked against each store and labelled with when. Store links may earn us a commission.

Visit eBay

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Last seen at $117.00 at eBay on Nov 9.

Our take on the Nissan Altima 2019-2023 Rear Catalytic Converter with Flex 2.5L

This is a direct-fit rear (Bank 2) catalytic converter for 2019-2023 Nissan Altima models with the 2.5L four-cylinder engine and a flex pipe. It is a new aftermarket unit, not an OEM part, and it fits both front-wheel-drive and all-wheel-drive cars. It ships with gaskets and hardware, so you don't need to source them separately. Compared with a dealer OEM converter, it is the lower-cost route to passing emissions, but it carries no factory warranty and long-term durability is unproven.

Best forAltima owners facing a failed emissions testDrivers with a rusted or cracked rear converterDIY installers who want a bolt-on fitFWD and AWD 2.5L Altima owners
Pros
  • Direct-fit design bolts to the factory flange points
  • Fits both FWD and AWD 2.5L Altimas
  • Gaskets and hardware included in the box
  • OBDII-compliant catalyst formulation for emissions readiness
  • New unit, not a reconditioned core
Cons
  • Aftermarket unit, not a Nissan OEM part
  • No stated warranty or durability rating
  • Flex pipe quality is the usual weak point on budget converters
  • Not legal for sale or use in California and some other states
  • Only fits the 2.5L engine, not the 2.0T or older generations

Nissan Altima 2019-2023 Rear Catalytic Converter with Flex 2.5L prices at every store

  • eBayNew

    Availability unknownSold by aceur-19 (100% positive, 11 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $117.00Free shippingChecked Nov 9
    Visit eBay

Also available at

  • Mufflerexpress.comCheck price at Mufflerexpress.com

Store links may earn us a commission.

Nissan Altima 2019-2023 Rear Catalytic Converter with Flex 2.5L price history

Lowest price we've seen: $199.00 on Nov 9 at Mufflerexpress.com. Tracked across 1 store since Nov 9.

From Mufflerexpress.com

  • 100% new part
  • Direct fit, Bank 2, rear unit
  • Fits Altima 2.5L 4cyl models 2019-2023 with flex pipe
  • Works on both FWD and AWD models
  • OBDII-configured catalyst technology for proper performance and emissions
  • FREE gaskets and hardware included
Materials
Converter body: stainless steel; substrate: ceramic
Fit
Direct fit, Bank 2, Rear; inlet: 2 bolt welded flange; outlet: 2 bolt flange, OD, 1 outlet; flex connector: yes
Sizing
Fits Altima models with a 2.5L 4cyl engine from 2019 through 2023 for rear unit with flex pipe; works on both FWD and AWD models
Guarantee
Warranty options: 90 days (GOOD), 1 year/35,000km (BETTER), 2 years/70,000km (BEST); replacement only, not refund; no warranty on melted, cracked, broken, overh
Returns
For warranty claims the item must either be shipped back first OR a core deposit must be paid until old unit is returned
Shipping
Ordering is temporarily unavailable
In the box
Rear catalytic converter with flex pipe, Free gaskets and hardware

About the Nissan Altima 2019-2023 Rear Catalytic Converter with Flex 2.5L

This is a new rear catalytic converter with a flex pipe for Nissan Altima models with the 2.5L 4-cylinder engine, model years 2019 through 2023. It is a Bank 2, rear unit and works on both FWD and AWD models.

The converter is a direct-fit unit, made for proper fitment and easy exchange with the OEM unit. The body is stainless steel and the substrate is ceramic. It uses OBDII-configured catalyst technology for proper performance and emissions.

The inlet is a 2-bolt welded flange, and the outlet is a 2-bolt flange with one outlet. Gaskets and hardware are included.

Fits
Nissan Altima 2.5L 4-cylinder, 2019-2023
Drivetrain
FWD and AWD
Position
Rear, Bank 2
Fit type
Direct fit
Body material
Stainless steel
Substrate
Ceramic
Inlet
2-bolt welded flange
Outlet
2-bolt flange, 1 outlet
Flex pipe
Included
In the box
Rear catalytic converter with flex pipe, gaskets and hardware

Questions and answers

Will this fit my 2021 Altima AWD?
Yes. It is listed for 2019-2023 Altima 2.5L models and works on both FWD and AWD cars. It does not fit the 2.0T engine.
Is this an OEM Nissan converter?
No. It is a new aftermarket direct-fit unit built to OBDII catalyst specifications. It is not a Nissan-branded part.
Is it legal in California?
No. Aftermarket converters like this are generally not CARB-approved, so they cannot be sold or installed in California and states that follow CARB rules. Check your state's rules before buying.
What comes in the box?
The rear converter with its flex pipe, plus gaskets and mounting hardware. You supply tools and any additional exhaust parts you need.
Will it clear my check engine light?
A working catalyst should let the rear oxygen sensor read correctly and turn off a P0420 code. If the light stays on, check for exhaust leaks or a bad sensor before blaming the converter.
Do I need to reset anything after installing it?
No programming is needed. Drive the car through a few normal warm-up cycles so the emissions monitors can set before an inspection.
Where is the Nissan Altima 2019-2023 Rear Catalytic Converter with Flex 2.5L cheapest?
At eBay, for $117.00, as of our latest check.
Where can I buy the Nissan Altima 2019-2023 Rear Catalytic Converter with Flex 2.5L?
2 stores we checked sell it, including eBay, Mufflerexpress.com.

More from Nissan

  • N
    Nissan Front Exhaust Tube with Catalytic Converter 200A0-4RA0A
    Nissan Front Exhaust Tube with Catalytic Converter 200A0-4RA0A
  • N
    Nissan OEM All-Season Floor Mats
    Nissan OEM All-Season Floor Mats
  • N
    Nissan Sentra
    Nissan Sentra
  • N
    Nissan Sentra [2020 - 2027]
    Nissan Sentra [2020 - 2027]
  • N
    Nissan All-Season Floor Mats T99E1-6LB0A for 2020-2021 Sentra
    Nissan All-Season Floor Mats T99E1-6LB0A for 2020-2021 Sentra
  • N
    Nissan Sentra 2020-2025 Sport Series Car Mats
    Nissan Sentra 2020-2025 Sport Series Car Mats
  • 2
    2020-2024 NISSAN SENTRA EGR INLET HOSE PIPE TUBE 14725-6CT0B
    2020-2024 NISSAN SENTRA EGR INLET HOSE PIPE TUBE 14725-6CT0B
  • G
    Genuine Nissan 0W-20 Oil Change Kit 15208-65F0E
    Genuine Nissan 0W-20 Oil Change Kit 15208-65F0E
  • All Nissan deals and products →

    More catalytic converters

    • F
      Flowmaster 2230125 Universal Catalytic Converter
      Flowmaster 2230125 Universal Catalytic Converter
    • A
      AP Exhaust 644021 Catalytic Converter
      AP Exhaust 644021 Catalytic Converter
    • A
      AP Exhaust 642311 Catalytic Converter
      AP Exhaust 642311 Catalytic Converter
    • E
      Eastern Catalytic 83165 Catalytic Converter
      Eastern Catalytic 83165 Catalytic Converter
    • W
      Walker 16491 Catalytic Converter
      Walker 16491 Catalytic Converter
    • A
      AP Exhaust 643040 Catalytic Converter
      AP Exhaust 643040 Catalytic Converter
    • N
      Naturefalls Direct-Fit Stainless Steel Front Catalytic Converter
      Naturefalls Direct-Fit Stainless Steel Front Catalytic Converter
    • E
      Eastern Catalytic 93166 Catalytic Converter
      Eastern Catalytic 93166 Catalytic Converter