Photo 1 of BLPextrm Oxygen O2 Sensor Upstream Replacement for Cadillac Escalade Chevy Suburban Silverado 1500 HD Express GMC Yukon XL H2 6.0L 8.1L V8 Replaces# 234-4669 Set of 2

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Photo 1 of BLPextrm Oxygen O2 Sensor Upstream Replacement for Cadillac Escalade Chevy Suburban Silverado 1500 HD Express GMC Yukon XL H2 6.0L 8.1L V8 Replaces# 234-4669 Set of 2Photo 2 of BLPextrm Oxygen O2 Sensor Upstream Replacement for Cadillac Escalade Chevy Suburban Silverado 1500 HD Express GMC Yukon XL H2 6.0L 8.1L V8 Replaces# 234-4669 Set of 2