Universal Fit; EPA Enhanced OBDII By Design Unit Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. 2.25 in Inlet ID; 2.25 in Outlet ID Federal and California Emissions
Universal Fit; EPA Enhanced OBDII By Design Unit Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. 2.50 in Inlet ID; 2.50 in Outlet ID Federal and California Emissions
Universal Fit; EPA Enhanced OBDII By Design Unit Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. Federal and California Emissions
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. Ultra 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. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
This is a recertified OEM part. For vehicles with a 3.5L engine.
Condition: Excellent (A)
Mileage: 133,800 miles
This catalytic converter has been recertified by the original equipment manufacturer. It is for vehicles with a 3.5L engine.
Condition: Excellent (A)
Mileage: 135,800 miles
It is a recertified OEM catalytic converter. It fits vehicles with a 3.5L engine.
Condition: Excellent (A)
Mileage: 133,800 miles
It is a rear catalytic converter for vehicles with the 3.5L engine.
Condition: Excellent (A)
Mileage: 45,600 miles
This catalytic converter has been recertified by the original equipment manufacturer (OEM). It is for vehicles equipped with the 3.5L engine.
Condition: Excellent (A)
Mileage: 82,100 miles
It is a recertified OEM catalytic converter for vehicles with the 3.5L engine.
Condition: Excellent (A)
Mileage: 108,200 miles
This catalytic converter has been recertified by the original equipment manufacturer. It is for vehicles with the 3.5L engine.
Condition: Excellent (A)
Mileage: 82,100 miles
It is a rear catalytic converter for vehicles with the 3.5L engine.
Condition: Excellent (A)
Mileage: 45,600 miles
It is a recertified OEM catalytic converter for vehicles with the 3.5L engine.
Condition: Excellent (A)
Mileage: 108,200 miles
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. Ultra Universal Type Modifications and/or Additional Parts May Be Required for Installation
Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems Underbody Converter
Universal Fit; Select+Plus Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. Federal and California Emissions
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Direct Fit Federal, 47-State Only, Not legal for sale in CA, NY or ME
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems Manifold Converter - Firewall Side
Not legal for use in California Illegal for installation in NY on vehicles equipped with California emission systems Radiator Side
Direct Fit; Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. Pre-Cat Federal and California Emissions
Direct Fit; Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. Pre-Cat Federal and California Emissions
Firewall Side Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Radiator Side; Precat Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
with Federal/California Emissions System Exhaust Gasket is Recommended Additional part(s) needed to complete installation - 31733 and 31377 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. Ultra Direct Fit Type
771 Series Engine Family Number (EFN) EHNXV03.55B4 CARB Executive Order D-798-9 ; Direct Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements ALL
774 Series Engine Family Number (EFN) 3HNXT03.5TKR CARB Executive Order D-798-14 ; Direct Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements ALL
It is a recertified OEM catalytic converter for vehicles with the 3.5L engine.
Condition: Excellent (A)
Mileage: 100,200 miles
This is a recertified OEM catalytic converter. It is compatible with vehicles equipped with a 3.5L engine.
Condition: Excellent (A)
Mileage: 82,000 miles
It is a recertified OEM catalytic converter for vehicles with the 3.5L engine.
Condition: Excellent (A)
Mileage: 54,000 miles
This is a recertified OEM part for vehicles with the 3.5L engine.
Condition: Excellent (A)
Mileage: 54,000 miles
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Direct Fit; Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. Rear Federal and California Emissions
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
Direct Fit Federal, 47-State Only, Not legal for sale in CA, NY or ME
Cutting and Welding Required
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York. Cutting and Welding Required
Cutting and Welding Required
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
Direct Fit; Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. Federal and California Emissions
Direct Fit; Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details. Federal and California Emissions
CARB Executive Order D-193-175 Engine Family Number (EFN) EHNXV03.55B4 Cutting and Welding Required Original Equipment (OE) Specifications Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
with Federal/California Emissions System Exhaust Gasket is Recommended Additional part(s) needed to complete installation - 31633 and 31383 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. Ultra Direct Fit Type
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
776 Series 4 in Round Body Engine Family Number (EFN) 1HNXT03.5K86 CARB Executive Order D-798-15 ; Universal Fit - CARB Legal Note: In Compliance with CARB Emissions Requirements 2.25 in Inlet ID; 2.25 in Outlet ID; w/Midbed O2 Fitting ALL
Not legal for sale or installation in California, Colorado or New York.
Not legal for sale or installation in California, Colorado or New York.
CARB Executive Order D-193-115 Engine Family Number (EFN) 1HNXT03.5K86 Cutting and Welding Required
This is a recertified OEM part for vehicles with the 3.5L engine.
Condition: Excellent (A)
Mileage: 69,700 miles
It is a rear catalytic converter for vehicles with the 3.5L engine.
Condition: Excellent (A)
Mileage: 78,500 miles
It is a rear catalytic converter for vehicles with the 3.5L engine.
Condition: Excellent (A)
Mileage: 78,500 miles
It is a front exhaust catalytic converter.
Condition: Excellent (A)
Mileage: 53,800 miles
It is a front exhaust catalytic converter.
Condition: Excellent (A)
Mileage: 53,800 miles
Condition: Excellent (A)
Mileage: 53,800 miles
CARB Executive Order D-193-145 Engine Family Number (EFN) 1HNXT03.5K86 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-148 Engine Family Number (EFN) 3HNXT03.5TKR Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-145 Engine Family Number (EFN) 1HNXT03.5K86
CARB Executive Order D-193-148 Engine Family Number (EFN) 7HNXT03.7XKR Cutting and Welding Required Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-148 Engine Family Number (EFN) 7HNXT03.7XKR Cutting and Welding Required
CARB Executive Order D-193-148 Engine Family Number (EFN) 3HNXT03.5TKR Cutting and Welding Required
CARB Executive Order D-193-148 Engine Family Number (EFN) 3HNXT03.5TKR
CARB Executive Order D-193-148 Engine Family Number (EFN) 3HNXT03.5TKR Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-148 Engine Family Number (EFN) 7HNXT03.7XKR Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-148 Engine Family Number (EFN) 7HNXT03.7XKR
CARB Executive Order D-193-148 Engine Family Number (EFN) AHNXT03.7W19 Legal For Sale In All 50 States Including California, Colorado and New York (CARB Certified)
CARB Executive Order D-193-148 Engine Family Number (EFN) AHNXT03.7W19
This is a recertified OEM part for vehicles with the 3.5L engine.
Condition: Excellent (A)
Mileage: 54,000 miles
This is a certified OEM rear catalytic converter for vehicles with the 3.5L engine.
Condition: Excellent (A)
Mileage: 54,000 miles
Browse our selection of quality catalytic converter parts designed specifically for your Acura MDX. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
A-Spec · Advance · Base · SH-AWD · Sport Hybrid · Tech · Touring · Type S
SUV · Sport Utility
V6 3.0L · V6 3.5L · V6 3.7L
Automatic · Automatic Dual Clutch
