1991 Nissan D21 Catalytic Converter
Navigate our online catalogue to find original replacement Catalytic Converters specifically designed to fit a 1991 Nissan D21.


Catalytic Converter
$369.83
$255.94
Limited Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.0L 2960cc 181ci V6 (3.43x3.27; 87.0x83.0); Sub-Model: Base;
Engine Base: 3.0L 2960cc 181ci V6 (3.43x3.27; 87.0x83.0); Sub-Model: Base;
Vehicle Fitment Notes:
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation

Catalytic Converter
$369.83
$255.94
Limited Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.0L 2960cc 181ci V6 (3.43x3.27; 87.0x83.0); Sub-Model: SE;
Engine Base: 3.0L 2960cc 181ci V6 (3.43x3.27; 87.0x83.0); Sub-Model: SE;
Vehicle Fitment Notes:
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation

Catalytic Converter
$190.02
$181.06
Limited Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Drive Type: 4WD; Engine Base: 2.4L 2389cc L4 (3.50x3.78; 89.0x96.0);
Drive Type: 4WD; Engine Base: 2.4L 2389cc L4 (3.50x3.78; 89.0x96.0);
Vehicle Fitment Notes:
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation

Catalytic Converter
$190.02
$181.08
In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Drive Type: RWD; Engine Base: 2.4L 2389cc L4 (3.50x3.78; 89.0x96.0);
Drive Type: RWD; Engine Base: 2.4L 2389cc L4 (3.50x3.78; 89.0x96.0);
Vehicle Fitment Notes:
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation
with Federal/California Emissions System Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Universal Type Modifications and/or Additional Parts May Be Required for Installation

Catalytic Converter
$530.97
$393.07
In Stock
Condition: New
Ships: Today, Oct. 3rd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Drive Type: RWD; Engine Base: 2.4L 2389cc L4 (3.50x3.78; 89.0x96.0);
Drive Type: RWD; Engine Base: 2.4L 2389cc L4 (3.50x3.78; 89.0x96.0);
Vehicle Fitment Notes:
with Federal/California Emissions System Exhaust Gasket is Recommended Includes Front and Rear Gasket Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Direct Fit Type
with Federal/California Emissions System Exhaust Gasket is Recommended Includes Front and Rear Gasket Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Direct Fit Type

Catalytic Converter
$378.86
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Drive Type: 4WD; Engine Base: 2.4L 2389cc L4 (3.50x3.78; 89.0x96.0);
Drive Type: 4WD; Engine Base: 2.4L 2389cc L4 (3.50x3.78; 89.0x96.0);
Vehicle Fitment Notes:
with Federal/California Emissions System Exhaust Gasket is Recommended Includes Front and Rear Gasket Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Direct Fit Type
with Federal/California Emissions System Exhaust Gasket is Recommended Includes Front and Rear Gasket Not legal for sale or use in California and other CARB-compliant states. Legal in Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details. Standard Direct Fit Type

Catalytic Converter
$347.30
$193.72
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.0L 2960cc 181ci V6 (3.43x3.27; 87.0x83.0);
Engine Base: 3.0L 2960cc 181ci V6 (3.43x3.27; 87.0x83.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-55 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-55 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation

Catalytic Converter
$347.30
$193.72
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 2.4L 2389cc L4 (3.50x3.78; 89.0x96.0);
Engine Base: 2.4L 2389cc L4 (3.50x3.78; 89.0x96.0);
Vehicle Fitment Notes:
CARB Executive Order D-182-55 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation
CARB Executive Order D-182-55 Legal for sale and use in California and other states requiring CARB-compliant replacement converters. Consult the aftermarket converter regulations in your state for details. Universal Type Modifications and/or Additional Parts May Be Required for Installation