Package: 4pcs O2 Sensors (2 Upstream + 2 Downstream) Warranty: 10-Year for manufacturing defects (Replacement Only) Certified ISO/TS16949, OE Quality at Lower Cost OE#: 234-4668, 234-4256 Fits 2008–2014 Cadillac / Chevy / GMC V8 4.8L 5.3L 6.0L 6.2L Escalade, Avalanche, Silverado, Suburban, Tahoe, Sierra, Yukon Check your original OE number prior to purchase. Contact us with VIN/vehicle info for fit confirmation. Reach out to us for any product problems.
✅ 4-Pack Oxygen Sensors Kit (2 Upstream + 2 Downstream)
OE#: 234-4668, 234-4256. Complete set for the listed V8 models, exactly what you need to replace all front & rear O2 sensors.
✅ 2-Year Warranty
Warranty covers manufacturing defects, replacement only (no repair service).
✅ Premium Quality & Affordable
Made with advanced production equipment, matching OE quality at a better price.
✅ Fitment
Cadillac Escalade / Escalade ESV / Escalade EXT
Chevrolet Avalanche, Silverado 1500/2500HD/3500HD, Suburban, Tahoe
GMC Sierra 1500/2500HD/3500HD, Yukon, Yukon XL
V8 4.8L / 5.3L / 6.0L / 6.2L | 2008–2014
✅ Pre-Purchase Tip
Double-check OE number against your original sensor. Send VIN, year & engine size if you need fitment confirmation.
✅ After-sales Support
Contact us first if you have any problems, we will assist you promptly.