Part Number: 674-068

This is a rear catalytic converter designed as a direct-fit replacement for the 2018-2021 Chevrolet Traverse and 2018-2021 Buick Enclave, both equipped with the 3.6L V6 engine.

Compatible Vehicles:

- 2018-2021 Chevrolet Traverse V6 3.6L

- 2018-2021 Buick Enclave V6 3.6L

Replaces OEM / Reference Part Numbers: 674-068, 644167, 50581, 84256773, 19645, 53316, 19420286, 85132448, 85513036

Construction: Stainless steel housing with a ceramic honeycomb substrate for improved exhaust flow and catalytic efficiency.

Position: Rear

Fitment Type: Direct replacement

Emissions Compliance Note: This catalytic converter is a 46-state legal part. It is not legal for sale or use in California, Colorado, New York, or Maine due to state emissions regulations. Buyers should verify their state and local emissions requirements before purchasing.

Please consult eBay's vehicle compatibility listing to confirm fitment with your specific vehicle before purchasing.

A note from us: We're a small team and we stand behind everything we sell. If you have any questions about this part — fitment, condition, compatibility — please message us before purchasing, and we're glad to help. And if anything isn't right after it arrives, just reach out to us before starting a return. We can almost always sort things out quickly and easily, whether that's answering a question, sending the correct part, or working things out another way. We're friendly, we respond fast, and we'll always do our best to make it right!