Catalytic Converter for Acura MDX ZDX (2010-2013) 3.7L Front Left & Right

Direct-Fit Stainless Front Catalytic Converter Set for 2010-2013 Acura MDX, ZDX (YD2 / YB1)

What it Does: The Direct-Fit Front Left and Right Catalytic Converter set replaces failing factory pre-cats on the 2010-2013 Acura MDX and ZDX to clear diagnostic trouble codes P0420/P0430 and restore unobstructed exhaust flow.

The Stock Acura MDX, ZDX Catalytic Converter Failure Point

The close-coupled manifold converters on the factory J37 engine endure intense thermal cycles within tightly packaged engine bays. Over time, stock ceramic substrates suffer washcoat degradation, carbon fouling, and structural crumbling. This failure pattern generates severe exhaust backpressure, robs engine power, and triggers persistent check engine lights. In extreme cases, fragmented ceramic dust can migrate back into the combustion chambers via valve overlap, scoring cylinder walls.

The Engineering Solution

Constructed with durable stainless steel outer shells, these direct-replacement converters house high-efficiency ceramic honeycomb monoliths engineered with an optimal precious metal washcoat to effectively neutralize HC, CO, and NOx emissions. Laser-cut, heavy-gauge mounting flanges prevent thermal warping and exhaust blow-by. Mandrel-formed collector sections maintain optimal exhaust gas velocity, restoring factory scavenging efficiency and engine responsiveness.

What's Included

• 1x Front Left Catalytic Converter
• 1x Front Right Catalytic Converter
• Mounting Hardware

Technical Specifications

Compatibility

• 2010-2013 Acura MDX 3.7L V6 (YD2 Chassis)
• 2010-2013 Acura ZDX 3.7L V6 (YB1 Chassis)

Frequently Asked Questions & Fitment Warnings

Does this fit the YD2 / YB1 MDX, ZDX?

Yes, this is a direct fit for the 2010-2013 Acura MDX, ZDX equipped with the J37 3.7L engine. Not legal for sale or use in California or New York on emissions-controlled vehicles.

Will the original factory heat shields transfer over directly?

Due to aftermarket exterior canister geometry, the factory heat shields do not fit perfectly and may require light modification or omission during professional installation.

The Acura Caliber

Honda's high-revving 3.7L VTEC platform demands clean, unhindered exhaust scavenging to maintain linear power delivery. These converters restore factory emission performance and high-RPM exhaust velocity without engine codes.