Wbsteanaten MAP Sensor Manifold Absolute Pressure for GM vehicles — Silverado Tahoe Suburban V8 5.3L, OE-fit, fast response

Wbsteanaten MAP Sensor (Manifold Absolute Pressure) is an OE-replacement sensor that measures intake manifold pressure and delivers precise signals to your vehicle’s ECU for improved engine management and responsiveness.

This replacement MAP sensor fits a wide range of GM gasoline and diesel engines—including Silverado 1500 (2014–2020) V8 5.3L, Tahoe, Suburban, and many Buick, Cadillac, and Chevrolet models listed in the fitment notes. Built for durability and consistent performance, the unit claims a rapid response time and low error tolerance across normal engine temperatures. Before purchasing, verify your vehicle year, engine, and OEM part number to ensure compatibility.

How does this MAP sensor affect engine performance?

The MAP sensor reports intake manifold vacuum/pressure to the ECU, which uses that data to adjust fuel delivery and ignition timing. A precise reading helps the engine run smoothly under load and during idle transitions, contributing to efficient combustion and stable throttle response.

• Real-time manifold pressure data for accurate fuel-air metering
• Fast <2ms response time to reflect rapid engine load changes
• Max ±3% error across 0°C to 85°C for consistent operation
• Designed to resist heat and vibration in engine bays

Will this sensor fit my Chevy, Buick, or Cadillac model?

This sensor is offered as a direct replacement for several OEM part numbers (including 55573248 and 12591290) and lists broad compatibility across many GM platforms. Use your vehicle details and the original part number to confirm fitment before ordering to avoid misfits.

• Compatible with Silverado, Tahoe, Suburban and select Cruze, Malibu, Equinox years and engines
• Also fits numerous Buick and Cadillac models across various engine sizes
• Check the OE number printed on your current sensor against the listed replacements
• Enter vehicle make, model, year, and engine in the fitment tool to verify

How durable and reliable is this replacement sensor?

The unit is engineered for extended service in harsh underhood environments, rated to tolerate wide temperature ranges and resist vibration. Its construction aims to preserve measurement accuracy over time so the ECU receives dependable inputs for emission and fuel control systems.

• Heat-resistant materials to withstand engine compartment temperatures
• Stable electronics with low drift for prolonged accuracy
• Sealed connectors designed to resist moisture and contaminants
• Suitable for both gasoline and some diesel applications listed

How easy is installation and what should I check before replacing?

Installation is typically straightforward for technicians or competent DIYers: unplug the connector, remove the mounting fastener, and swap the sensor. Always compare the replacement to your original part and clear any diagnostic trouble codes after install.

• Confirm OE part number and connector type before purchase
• Disconnect the battery or follow vehicle-specific safety steps before swapping
• Replace mounting hardware if corroded and ensure a snug, leak-free seal
• Scan and clear ECU codes after installation to verify operation

Who is this for: drivers and mechanics who need a direct-fit, cost-effective MAP sensor replacement for GM vehicles—from light trucks like Silverado and Suburban to passenger cars such as Cruze and Malibu. It’s aimed at owners seeking a dependable aftermarket sensor that matches common OEM numbers and offers rapid response and temperature-stable accuracy. If you’re uncertain about compatibility, confirm the OE number on your original sensor and use the vehicle fitment tool before ordering.