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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 2018 Nissan Altima SR.
AP Exhaust
Part # 9099
$6.18
Denso
Part # 234-4986
$122.10
Denso
Part # 234-4905
$82.62
AP Exhaust
Part # ST1253S
$22.68
Walker Products
Part # 250-54105
$142.96
Walker Products
Part # 350-64082
$147.92
Bosch
Part # 18133
$213.06
Eastern Catalytic
Part # 40989
$379.42
Walker Products
Part # 350-64086
$113.92
AP Exhaust
Part # 608415
$114.76
AP Exhaust
Part # 641531
$429.09
Walker Exhaust
Part # 35460
$9.04
Eastern Catalytic
Part # 40885
$429.09
Eastern Catalytic
Part # 40887
$450.51
Walker Exhaust
Part # 48359
$106.55
Eastern Catalytic
Part # 40886
$392.10
Walker Exhaust
Part # 31355
$6.48
Dorman
Part # 03104
$10.00
AP Exhaust
Part # 38959
$48.61
AP Exhaust
Part # 96648
$38.78
This page groups parts listed for the 2018 Nissan Altima SR. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.
We offer a wide selection of exhaust systems parts for the 2018 Nissan Altima SR. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.
We carry parts from trusted brands including AP Exhaust, Walker Products, Bosch, Eastern Catalytic, and Walker Exhaust, plus many more. Filter by brand to find your preferred manufacturer.
Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.
Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.
