Right parts, guaranteed. If you find any defects, let us know within 90 days and we'll take care of it. Check out our Warranty Policy for more details.
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
If you're not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.
|Products Manufacturer Name||Northeastern Exhaust|
|Item No||40810 + manifold gasket 31658 + ring gasket (B25-21x10x10-LB13.2)|
|Please Note||***Due to Federal Regulation Laws this catalytic converter is NOT for sale or use in California, we will not ship to California addresses*** ***Our Catalytic Converters are EPA approved and manufactured for Federal Emission vehicles only. Since Emission laws may vary in different states please check with your certified mechanic if this catalytic is suitable for your vehicle and conforms to your state laws.***<br/>Do not install this product without first diagnosing and repairing the conditions that caused the original converter to fail. Diagnosis by a trained automotive professional is highly recommended. Installing this converter without determining the root cause of the failure will severely damage the new converter. Converters damaged by an improperly running engine will be denied warranty coverage by the manufacturer. *Due to State of New York emission regulations, this catalytic converter cannot be installed on California emission equipped vehicles that are registered in State on New York. Please check the emission sticker under the hood or on the car door frame of the vehicle to make sure it|
|Interchange Numbers||40810, 18122, ms96539, 2003288077, 237709, FELMS96539, MS4837, MS19291, EG638, 22438021, 22438021333, 140366N200, 18946|
|Notes||Federal Emission Models Only!|
|Google Category||Vehicles & Parts > Vehicle Parts & Accessories > Motor Vehicle Parts > Motor Vehicle Exhaust > Catalytic Converters|
|2004||Nissan||Altima||Base Sedan 4-Door||2.5L|