Standard Ignition S2440 Mass Air Flow Sensor Connector

Mass Air Flow Sensor Connector Replacement

Restore a damaged MAF sensor connection with the Standard Ignition S2440 mass air flow sensor connector. This direct replacement electrical connector is built for vehicles that need a clean repair at the sensor plug, including Chevrolet Silverado 1500, GMC Sierra 2500 HD, and Cadillac Escalade applications.

Standard Ignition S2440 uses quality terminal materials and a polyamide housing for dependable electrical contact in demanding underhood conditions. It is a practical repair choice when the original connector is cracked, heat-damaged, or no longer locks securely to the sensor.

Key Features

• Female connector with an oval housing shape
• 5 female blade terminals with 5-wire configuration
• Direct replacement electrical connector for mass air flow sensor repair
• High-grade terminal materials including copper alloy, brass, and phosphor bronze
• Polyamide resin housing for durability in harsh environments
• 100% tested for mechanical and electrical fit, form, and function
• Heat shrink butt connectors included

Detailed Description

The Standard Ignition S2440 is a replacement mass air flow sensor connector made for repairing the damaged connector side of the circuit without replacing the full harness. It is engineered for a secure electrical interface and consistent signal transfer at the MAF sensor, which is important for drivability and engine management on GM and Cadillac platforms. This part number, S2440, is commonly searched for fitment on Chevrolet Silverado 2500 HD, GMC Sierra 3500 HD, and Cadillac Escalade models.

This part cross-references ACDelco 13501881 for the same application.

What It Helps Fix

• Broken or cracked MAF sensor connector housing
• Loose terminal contact at the sensor plug
• Heat-related connector damage near the engine bay
• Intermittent sensor signal caused by worn terminals
• Corrosion or physical damage at the original connector

Installation Notes and Tips

Verify connector shape, terminal count, and wire count before installation. Match the vehicle-side connector to the oval, 5-terminal female design and confirm the application against the existing sensor connector before splicing. For GM trucks and SUVs such as Silverado, Sierra, Tahoe, Yukon, and Escalade, inspect the harness for additional heat damage before completing the repair. S2440 is also used on select Chevrolet Traverse, GMC Acadia, and Buick Enclave applications.

Quality Assurance

Standard Ignition tests these electrical connectors for proper mechanical and electrical fit, form, and function. The combination of high-grade terminal metals and a polyamide housing supports long service life and reliable performance in harsh operating conditions.