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The throttle body assembly controls the air intake throttle body flow (your car engine throttle) into your engine's intake manifold, directly impacting the air-fuel mixture and throttle response. A faulty throttle position sensor (TPS) or throttle body positioning sensor, bad throttle body control sensor, or worn electronic throttle body (ETB) can cause rough idling, stalling, poor acceleration, or a check engine light. Trinity Auto Parts stocks used throttle body units, rebuilt throttle body assemblies, and remanufactured throttle body replacements — all inspected and ready for a plug-and-play install. Whether you need a carburetor throttle body upgrade, a fuel injection throttle body assembly, or an auto throttle body with TPS sensor included, we've got you covered. We even stock specialized parts like throttle body fuel injectors.
We carry vehicle throttle body and engine throttle body units for Chevy, Ford, BMW, Honda, Jeep, Nissan, Toyota, Cadillac, Pontiac, GMC, Buick (including buick lacrosse throttle body), Audi, and more. Our inventory includes OEM throttle body assembly, throttle valve body assembly, TBI throttle body units, and electronic throttle body replacements, and mercedes throttle body assembly. Every replace throttle body order ships with a warranty and free delivery. Looking for a throttle body online? Search by your vehicle's make and model above to find the perfect throttle body OEM match.



Common symptoms include rough idling, engine stalling, poor acceleration, a check engine light triggered by a faulty throttle position sensor (TPS), or reduced fuel economy. If your vehicle throttle body is failing, a used or rebuilt throttle body replacement can restore smooth engine performance at a fraction of the dealer cost.
Yes — most of our OEM throttle body assembly units ship complete with the throttle position sensor (TPS), throttle body control sensor, and idle air control valve where applicable. We carry electronic throttle body (ETB) units as well as traditional carburetor throttle body assemblies.
We stock used and rebuilt throttle body units for all major brands: Chevy throttle body, Ford throttle body, BMW throttle body, Honda throttle body, Jeep throttle body, Nissan throttle body, Toyota throttle body, Cadillac throttle body, GMC throttle body, Pontiac throttle body, Buick throttle body, and Audi throttle body. We also carry specialty TBI throttle body and EFI throttle body units for older fuel-injected vehicles.
A used OEM auto throttle body from Trinity Auto Parts typically costs 50-70% less than a new dealer throttle body replacement. Our rebuilt throttle body and remanufactured throttle body options offer even more savings with restored-to-OEM performance. All orders include free shipping. Customers often ask about the throttle position sensor price; by buying a complete assembly from us, you get the TPS included at a fraction of the cost to replace throttle body assembly parts individually.
A throttle body is part of a fuel injection system and controls airflow electronically via a throttle valve body, while a carburetor mechanically mixes air and fuel. Modern vehicles use an engine throttle body with an air intake throttle body and electronic throttle body controls (ETC). Some classic vehicles can be upgraded from a carburetor to a fuel injection throttle body assembly or TBI throttle body injection system for improved performance and fuel economy.
Trinity Auto Parts has the largest selection of used throttle body for sale online. Unlike big box retailers, every throttle body for sale from us is an OEM original unit pulled from a tested, low-mileage vehicle. When you buy a throttle body for sale from us, you get VIN-matched accuracy, an extended warranty, free shipping, and free shipping on returns.
Use our vehicle search tool above to find the exact throttle body for sale for your car or truck. Every throttle body replacement ships with a warranty and free delivery across the USA and Canada.
Common signs that indicate you need a throttle body replacement include rough engine idling, stalling when stopping, poor acceleration response, and error codes like P0121 or P2119. Our tested OEM replacement throttle bodies restore factory airflow and throttle response.