MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit rear catalytic converter (49504) for the 2007-2018 Nissan Altima 2.5L. Spun-body, mandrel-bent 409 stainless tubing with a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with no cutting or welding and includes one flange gasket and one crush ring gasket. Interchanges with several OE parts including 20010-3TA2A, 20010-JA000 and 20010-ZX10A. Federal/EPA compliant (not for sale in CA). OBDII.
Specifications
| Type | Direct-fit catalytic converter |
| Grade | OEM Grade |
| Material | 409 stainless steel |
| Hardware | (1) Flange gasket, (1) crush ring gasket included |
| OEM Replacement | 20010-3TA2A, 20010-JA000, 20010-ZX10A and others |
| Position | Rear |
| Finish | Stainless |
| Body Type | Spun |
| Inlet Type | Flange |
| Clamps Included | No |
| Hangers Included | Yes |
| Legality | Not legal for sale or installation in California, Colorado or New York. |
| Part Number | 49504 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007-2017 | Nissan | Altima | Base |
| 2007-2011 | Nissan | Altima | Hybrid |
| 2007-2018 | Nissan | Altima | S |
| 2010-2018 | Nissan | Altima | SL |
| 2016-2018 | Nissan | Altima | SR |
| 2013-2018 | Nissan | Altima | SV |
Which vehicles does this fit?
- It fits the Nissan Altima 2007-2018. The full year, make, model and submodel list is in the fitment table on this page. This part is for the rear position.
Is it legal in my state?
- Not legal for sale or installation in California, Colorado or New York.
What is it made of?
- 409 stainless steel.
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
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