213-4663 88864354 Intake Air Temperature Sensor with Pigtail Harness 12160244 25037352 12110319 213-243 - Compatible with Chevy Silverado, GMC Yukon Sierra, Buick Lesabre, Cadillac DeVille

OE-Compatible Intake Air Temperature Sensor Kit This complete IAT sensor assembly provides reliable temperature monitoring for GM vehicles experiencing intake air temperature related issues. Engineered to match original equipment specifications, it ensures accurate air density calculations for proper fuel management system operation.  Primary Applications Restores proper air/fuel ratio calculations Resolves check engine lights related to IAT circuit faults Improves cold start performance and fuel economy Prevents lean/rich condition error codes  Compatibility Includes For Chevrolet: Silverado (1999-2007), S10 (1994-2004), Blazer (1994-2005), Suburban (1996-2006), Tahoe (1995-2006), Astro (1992-2005), Venture (1997-2005) For GMC: Yukon (1996-2006), Sierra (1994-2007), Safari (1992-2005), Savana (1996-2002) For Buick: LeSabre (1995-2005), Park Avenue (1996-2005), Century (1993-2005) For Cadillac: DeVille (1995-2005), Escalade (1999-2006), Seville (1995-2004) For Pontiac: Bonneville (1995-2005), Grand Prix (1996-2003), Montana (1999-2005) For Oldsmobile: Bravada (1992-2004), Silhouette (1997-2004), Alero (1999-2004)  Installation Notes  Locate IAT sensor in intake air duct or manifold  Disconnect negative battery terminal before installation  Connect pigtail harness to existing wiring  Clear error codes after installation for proper system reset  Package Includes 1 × Intake Air Temperature Sensor 1 × Pigtail Harness Assembly  Important Compatibility Notice Verify your vehicle's original part number and sensor location before purchase. Compatibility limited to vehicles originally equipped with 213-4663 or equivalent IAT sensors.

• Expanded Vehicle Coverage: Compatible with 1991-2007 GM vehicles including Chevrolet Silverado/S10/Blazer/Suburban, GMC Yukon/Sierra, Buick LeSabre/Park Avenue, Cadillac DeVille/Escalade, Pontiac Bonneville/Grand Prix.
• Replacement Part Number: 213-4663 88864354, 12110319, 12160244, 213243, 25037352, 8121103190, 8121602440, 181361182754, SU176, TS10072, 213-243, ST176, AX32, 7610-157, ATS7, GT7610-157.
• Weather-Resistant Connection: Pigtail harness features sealed connectors and corrosion-resistant terminals for reliable signal transmission in engine compartment environments.
• Direct Plug-and-Play Installation: Matches OEM electrical specifications; requires no programming or modifications for installation.
• Complete IAT Sensor Assembly: Includes intake air temperature sensor and pre-wired pigtail harness for comprehensive replacement solution (replaces OEM 213-4663).