Throttle body

The throttle body sits between the air filter and the intake manifold, regulating how much air enters the engine each time you press the accelerator. Most modern cars run a drive-by-wire setup with an electronic throttle motor and position sensor, while older vehicles use a cable-operated design. The unit controls the air side of the air-to-fuel ratio, which means a faulty one affects everything from idle quality to top-end power.A failed throttle body can leave the car stuck in limp mode at speed, which is a safety risk on busy roads, so warning signs aren't worth ignoring. Common symptoms:

• Rough or fluctuating idle
• Hesitation or stalling when pressing the accelerator
• The check engine light, often with EPC or throttle codes
• The car dropping into limp mode at random speeds
• Surging or jerking under light throttle
• Poor fuel economy

Carbon build-up around the throttle plate can often be cleaned without replacing the whole unit. Once the throttle motor itself fails, the gears strip, or the position sensor stops reporting correctly, cleaning won't fix it.Sourcing a like-for-like used throttle body online means working through breaker yards, electronics specialists, and parts marketplaces. Parthunt24 brings used throttle body listings together from marketplaces like eBay, Ovoko, Opisto, RicambiPro, ProxyParts, Ecooparts, Autoparts24 and TotalParts. Compare 1344 options on price, condition, and fitment, then head to the marketplace once you've found the right unit.

A throttle body is the main intake valve in a combustion engine. It sits between the air filter and the intake manifold, regulating how much air enters the engine based on your gas pedal input. This airflow controls the air-to-fuel ratio, dictating your vehicle's acceleration and power.The OEM part number is the first thing to verify, followed by whether the unit is mechanical or drive-by-wire, the throttle body diameter, the connector shape and pin count, and any integrated sensors. A unit pulled from a slightly different engine variant can have a different bore size or fail to talk to your ECU.Set your make and model in the Parthunt24 filter panel to focus the results on fitting throttle bodies. Tapping any listing opens it on the marketplace, handling the sale, where the seller covers the part description and the checkout itself.

• Vehicle compatibility: Match the make, model, year, engine code, and OEM part number.
• Mechanical vs electronic throttle: Check whether the vehicle uses a cable-operated or drive-by-wire throttle body.
• Throttle body diameter: Verify the airflow opening size and intake compatibility.
• Connector type: Check the electrical plug shape and pin configuration.
• Integrated sensors: Some throttle bodies include a throttle position sensor or idle-control components.
• Intake manifold compatibility: Verify the bolt pattern and sealing surface.
• Petrol vs diesel compatibility: Throttle body designs differ between petrol and diesel engines.
• Turbocharged engine compatibility: Turbocharged engines may use different airflow and boost-control configurations.
• Coolant line compatibility: Some throttle bodies include coolant-heating passages.
• ECU compatibility: An incompatible throttle body may trigger fault codes or adaptation issues.
• OEM vs aftermarket specification: Ensure correct airflow calibration and electronic response.
• Condition: Inspect for carbon buildup, a sticking throttle plate, a damaged motor, or worn gears.

Once you click through to the original listing, make sure to run through the details before placing the order. A throttle body with worn motor gears or a failing position sensor will look identical to a healthy one in a photo, since the trouble is inside the housing, so testing notes carry real weight.

• Photos: Clear shots of the throttle plate, motor housing, connector, and sealing surface.
• Seller reputation: Buyer feedback, sales history, and review quality.
• Compatibility: OEM number checked against your engine code.
• Included components: Bare body, with gaskets, TPS, or coolant fittings?
• Condition: Carbon build-up, sticking plate, worn gears, damaged motor.
• Testing: Notes confirming smooth movement and TPS reading on the bench.
• Warranty and returns: A clear path if the unit arrives faulty or off-spec.
• Shipping: Padded packaging to protect the throttle plate and connector pins.
• Documentation: Donor history and proof of removal.

If everything looks good, wrap up the purchase on the seller's marketplace.

What you'll pay for a throttle body depends on the engine, whether the unit is cable-operated or drive-by-wire, and the donor's condition. Used cable-operated throttle bodies from older petrol cars open at €15-€40, electronic throttle bodies for common engines sit at €60-€180, and OEM drive-by-wire units for premium or turbocharged engines push past €350.Browsing Parthunt24, throttle body listings start from as low as 5.00. Factors that move the throttle body price up or down:

• Type: Cable-operated sits below drive-by-wire on price.
• Integration: Units with built-in TPS, idle control, or coolant heating cost more.
• Brand: OEM sits at the top of the range; quality aftermarket sits below.
• Engine rarity: Common engines are cheaper; specialist or turbocharged applications cost more.
• Condition: Bench-tested units command a premium over as-removed pulls.

On Parthunt24, throttle body listings sit on one page so the lowest price across sellers is easy to spot.

A faulty throttle body rarely stays an isolated fault. Carbon and unburned fuel from a sticking throttle plate work through to the intake manifold and exhaust, and incorrect airflow readings can foul plugs and the cat in short order, so check the wider system before bolting on a fresh unit. Browse these on Parthunt24:

• Intake manifold: Carbon build-up here often coincides with throttle body trouble.
• Catalytic converter: Damaged by rich running when the throttle body misreports air.
• Spark plugs: Fouled by incorrect fuelling and worth replacing on any swap.
• MAF sensor: Faulty MAF readings produce identical symptoms to a bad throttle body.
• ECU: Worth checking for stored fault codes after fitting a fresh throttle body.
• Engine: Persistent rough running may point to deeper internal issues.
• Idle air control valve: On older cars, often paired with throttle body faults.
• Throttle position sensor: Worth swapping if separate from the throttle body.

Finding a used throttle body online shouldn't take a whole afternoon. Parthunt24 pulls every compatible listing from the major used-parts marketplaces onto one filterable page, so material, condition, and price all sit alongside each other for the same unit.Cable-operated and drive-by-wire throttle bodies across most marques on European roads appear in the same results. One search, one shortlist, and the right throttle body at the lowest price within minutes. Compare prices, find the best deal, and buy a throttle body for your car through Parthunt24 today.