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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 1991 Ford Ranger STX.
Dorman
Part # 41109
$10.69
K&N
Part # PF-2200
$19.99
aFe
Part # 31-10018
$82.84
WIX
Part # 46126
$18.87
Baldwin Filters
Part # PA2150
$9.32
aFe
Part # 30-10019
$78.23
K&N
Part # 33-2024
$68.99
K&N
Part # PF-2300
$12.99
aFe
Part # 30-10018
$78.23
Pronto
Part # PA3592
$7.24
aFe
Part # 31-10019
$82.84
All 11 products shown
This page groups parts listed for the 1991 Ford Ranger STX. 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 air filters parts for the 1991 Ford Ranger STX. 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 aFe, K&N, Baldwin Filters, Dorman, and Pronto, 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.
