2010 GMC Terrain Catalytic Converters

Genuine GM catalytic converters for the 2010 GMC Terrain, at wholesale prices. Converters are emissions parts, and the substrate loading has to match what the ECM expects from the downstream oxygen sensor. Theta through 2017, D2XX from 2018 to 2024, and a new generation from 2025.

What sends people here

A P0420 code, rattling from underneath, or a failed emissions test. On a compact crossover, trim and option content split this group within a single model year.

The case for genuine GM

• Central shipping origin. Dallas keeps catalytic converters transit times short nationwide.
• Backed after the sale. If your catalytic converters does not work out, we make it right.
• Factory warranty. Genuine catalytic converters carry GM coverage aftermarket cannot match.

Before you order

GM revises parts mid-production. The OEM catalog tracks those revisions; cross-reference tables usually do not. Send us your VIN and we will confirm the exact part number before you order. Orders in by 3pm Central usually go out the same day, with shipping calculated at real cost.