Marsflex Downstream Oxygen Sensor 213-4229 - Replacement For Chevy Silverado, GMC Sierra, Suburban, Tahoe & More

Is your check engine light on for an O2 sensor code? This Marsflex downstream oxygen sensor is a direct replacement for part numbers 213-4229, 234-4407, and 250-24736. It fits a range of popular GM trucks and SUVs from roughly 2008-2015, including the Chevrolet Silverado 1500/2500/3500 (with 4.8L, 5.3L, 6.0L V8s), Suburban, Tahoe, Avalanche; GMC Sierra 1500/2500/3500; and a few others like the Pontiac G6 and Saturn Aura/Vue. It's 17.5 inches long and made to meet or exceed original equipment specs. A properly functioning O2 sensor is crucial – it helps your engine run efficiently, improves fuel economy, and protects the catalytic converter. Installation is generally straightforward if you're handy. Always double-check the connector on your old sensor matches this one before buying. Marsflex backs it with a 1-year warranty. A reliable and affordable fix to keep your truck running smoothly.