SET: 1x Upstream Right + 1x Upstream Left + 1x Downstream Right + 1x Downstream Lef, 4pcs. FITMENT 1: Upstream and downstream o2 sensor compatible with 2014-2018 Chevrolet Silverado 1500 6.2L v8, 2016-2018 Chevrolet Silverado 1500 5.3L v8, 2014-2018 Chevrolet Silverado 1500 4.3L v6, 2015 Chevrolet Suburban 5.3L v8, 2015 Chevrolet Tahoe 5.3L v8 FITMENT 2: Upstream and downstream Oxygen sensor compatible with Cadillac Escalade 6.2L 2015 v8, 2014-2018 Gmc Sierra 1500 6.2L v8, 2014-2018 Gmc Sierra 1500 5.3L v8, 2014-2018 Gmc Sierra 1500 4.3L v6, 2019 Gmc Sierra 1500 Limited 5.3L v8, 2015 Gmc Yukon 6.2L v8 5.3L v8,2015 Gmc Yukon Xl 6.2L v8 5.3L v8 PRODUCT FEATURE: This high-performance oxygen sensor features precision measurement, rapid response, reliable quality, easy installation, wide compatibility, eco-friendly efficiency, ensuring optimal engine performance and environmental contributions. Note: if you are unable to confirm compatibility, use amzonconfirmedfit to confirm compatibility. Compatible vehicle
O2 sensor adopts a plug and play design with pre coated threads for easy installation
Please use amzonconfirmedfit to confirm compatibility.

1x Upstream Right; Bank 1 Sensor 1
1x Upstream Left; Bank 2 Sensor 1
1x Downstream Right; Bank 1 Sensor 2
1x Downstream Left; Bank 2 Sensor 2

Cadillac Vehicle Compatibility
for 2015 Cadillac Escalade 6.2L v8

Chevrolet Vehicle Compatibility
for 2014-2018 Chevrolet Silverado 1500 6.2L v8
for 2016-2018 Chevrolet Silverado 1500 5.3L v8
for 2014-2018 Chevrolet Silverado 1500 4.3L v6
for 2015 Chevrolet Suburban 5.3L v8
for 2015 Chevrolet Tahoe 5.3L v8

Gmc Vehicle Compatibility
for 2014-2018 Gmc Sierra 1500 6.2L v8
for 2014-2018 Gmc Sierra 1500 5.3L v8
for 2014-2018 Gmc Sierra 1500 4.3L v6
for 2019 Gmc Sierra 1500 Limited 5.3L v8
for 2015 Gmc Yukon 6.2L v8 5.3L v8
for 2015 Gmc Yukon Xl 6.2L v8 5.3L v8