A-Premium Idle Air Control Valve & Throttle Position Sensor Kit for GM 1999-2004 — Direct-fit OE match

The A-Premium Idle Air Control (IAC) valve paired with the Throttle Position Sensor (TPS) is a direct-fit replacement kit engineered to restore proper idle control and throttle position feedback on compatible GM V8 and V6 trucks and performance cars.

Designed as a matched pair for GM vehicles from late 1990s to early 2000s, this A-Premium assembly replaces worn IAC and TPS units for models such as Chevrolet Silverado, Tahoe, Suburban, Avalanche, Camaro, GMC Sierra, Yukon, Pontiac Firebird/GTO and Cadillac Escalade. Each component is built to match OE mounting and connector types, comes with necessary hardware where noted, and references common OEM part numbers so you can confirm fit before purchase.

How will replacing the IAC valve and TPS affect idle and throttle response?

Replacing a worn IAC and TPS helps the engine computer receive accurate air and throttle position data, reducing erratic idle and improving throttle consistency. The IAC controls bypass airflow for stable idle, while the TPS reports throttle opening to the engine control module.

• Includes IAC with 4-pin terminal and 2 mounting holes for direct fit
• TPS with 3-pin male blade terminals and round female connector
• Matches OEM connector shapes and bolt patterns for easier installation
• O-ring and bolts included for the IAC to prevent vacuum leaks

What vehicles and part references does this kit fit?

This A-Premium combo is compatible with many GM models produced between 1999 and 2004. Check the listed engine displacements and model years to confirm compatibility for your vehicle before ordering.

• Chevrolet: Avalanche, Camaro, Silverado, Suburban, Tahoe (selected years/engines)
• GMC: Sierra, Sierra HD, Yukon, Yukon XL (selected years/engines)
• Pontiac: Firebird, GTO; Cadillac: Escalade and Escalade EXT (selected years)
• Common reference numbers: IAC 217-1806 / 17076327 / 17113598 and TPS 213-2718 / 88864359

What are the key specifications and what's included in the package?

The IAC valve features a metal housing, two mounting holes and a 4-pin terminal; the TPS is plastic-bodied with three male blade pins and bolt-on mounting. The kit ships with the IAC O-ring and mounting bolts to simplify replacement.

• IAC: metal housing, length ~2.5 in, 4 electrical pins, 2 mounting holes
• TPS: plastic body, dimensions ~4.3 x 2.2 x 2.4 in, 3-pin male blade connector
• Connector genders and shapes match OEM (round female TPS harness, male blade terminals)
• One-year unlimited-mileage warranty from A-Premium included

Who is this for: If you own a compatible Chevrolet, GMC, Pontiac or Cadillac from the listed years and you are experiencing unstable idle, throttle hesitation, or need to replace aging sensors with direct-fit parts, this A-Premium IAC + TPS kit is aimed at professional technicians and DIY enthusiasts who want OE-style fit and straightforward installation. Always verify vehicle year, engine size, and OEM reference numbers before purchase.