OYEAUTO Mass Air Flow Sensor MAF 19208521 for Chevrolet C1500/2500/3500 — Direct-Fit, OEM-Style Performance

OYEAUTO Mass Air Flow Sensor MAF 19208521 is a direct-fit replacement airflow sensor engineered to restore accurate air intake readings and dependable engine response on compatible Chevrolet, GMC, Pontiac and related V6/V8 models.

If your check engine light, rough idle, reduced fuel economy or hesitation under acceleration point to a compromised MAF sensor, this OYEAUTO unit is built to meet OEM-style performance and reliability. The sensor is designed and tested to provide stable signals to the ECU, resist thermal stress, and deliver fast response times so the engine control system receives consistent airflow information under normal and demanding conditions.

Which vehicles and engines does this MAF sensor fit?

This MAF 19208521 fits a broad range of GM cars and trucks from the mid-1990s to early 2000s. It covers Chevrolet and GMC full-size pickups, Suburbans, Express vans, Silverado variants, Tahoes, Corvettes, Camaros and select Pontiac Firebird/Trans Am models with compatible V6 and V8 engines.

• Chevrolet: C1500/2500/3500, Express 1500–3500, Camaro, Corvette, Tahoe, Suburban (1994–2002)
• GMC: C1500/2500/3500, Savana 1500–3500, Sierra models and Yukon (1996–2002)
• Compatible engines: 4.3L V6, 5.0L, 5.7L, 6.5L, 7.4L, 8.1L V8 variants depending on year/model

How does this MAF sensor improve vehicle performance?

Replacing a failing MAF restores accurate airflow measurement, which helps the ECU calculate proper fuel delivery and ignition timing. The result is smoother idling, fewer surges during acceleration, and potentially improved fuel economy if the original sensor was degraded.

• Fast response time (~15 ms) for quicker airflow updates to the ECU
• Low output curve tolerance (<2%) for consistent readings
• Thermally stable design to resist heat-related drift

What are the quality, testing, and warranty details?

OYEAUTO manufactures this MAF sensor to meet OEM specifications using quality materials and modern production processes. Each unit undergoes 100% computer testing to confirm stable output under simulated engine conditions, and the product is backed by a 12-month warranty against defects.

• Full electronic testing before shipping to ensure correct signal behavior
• 12-month warranty with refund or replacement if faults appear during coverage
• Replaces common part numbers such as 25008307, 25008219, 19208522, MA101, 25008308, 25179711, 19112572

How simple is installation and what should I prepare?

Installation is straightforward for basic mechanical skills and typically takes about 10 minutes. Before installing, clean the air box and replace the air filter to prevent contamination, and disconnect the battery ground during replacement to reset stored codes and warning lights.

• Estimated installation time: ~10 minutes for most owners
• Disconnect battery ground to clear the check-engine light after swap
• Pre-installation recommendation: clean air box and fit a fresh air filter

Who is this for? This OYEAUTO MAF 19208521 is aimed at owners and mechanics servicing mid-1990s to early-2000s GM cars and trucks who need an affordable, tested replacement that meets OEM-style fitment and restores reliable airflow data. It’s suitable for do-it-yourself installers and professional shops wanting a dependable aftermarket sensor backed by a one-year warranty.