UNITHUB MAF Mass Air Flow Sensor Meter 2451103 12576410 | Compatible with Chevy, GMC, Buick and More

Upgrade your GM ride with the UNITHUB MAF sensor

The UNITHUB mass air flow sensor is engineered to replace a worn or faulty unit with a precise, compact design that fits a wide array of GM vehicles. It works with diverse engine management systems to help your vehicle read air flow accurately, supporting smooth operation and steady fueling decisions. This replacement can contribute to a more stable idle and responsive throttle, especially when the engine demands precise air measurements from intake to combustion.

Wide compatibility you can rely on

Designed to fit a broad range of Buick, Cadillac, Chevrolet, GMC, and related models, the sensor aligns with common OEM configurations across many generations. Typical fitments include Buick Allure, LaCrosse, Rainier, and Regal; Cadillac variants such as SRX, STS, and XLR; Chevrolet options like Camaro, Cobalt, Colorado, Equinox, HHR, Impala, Malibu, Spark, Trailblazer and Trailblazer EXT; GMC Canyon, Envoy and Terrain; plus Hummer H3 and H3T. Additional compatibility spans Isuzu Ascender, Pontiac G5, G6, and Solstice, Saab 9-7x, Saturn Aura, Ion, and Sky Vue. Always verify exact OEM numbers or use the compatibility tool provided by the seller to ensure a precise match for your build.

Key features and potential benefits

• Easy installation with a straightforward replacement process
• Sensitive detection for accurate air flow readings
• Fast response time to keep engine control informed
• Reliable data transmission to engine management for stable operation
• Long service life to reduce the need for frequent changes
• Possibility of improved fuel efficiency under the right driving conditions
• Potential for a smoother, more consistent driving experience

What you get and how to use it

Package includes 1 x Mass Air Flow Sensor. Before purchasing, check the compatible OEM numbers and consult compatibility information to confirm it matches your vehicle configuration. For best results, install as part of a planned replacement and follow standard handling guidelines to avoid sensor contamination.

Installation tips and notes

Look for the model numbers listed in the interchange data and confirm fitment in your vehicle’s service manual or with a trusted parts database. This sensor is designed to integrate with many GM platforms, making it a versatile option for multi-model owners. While improvements in driving feel and efficiency can occur, results vary based on vehicle condition, maintenance history, and driving style.