Rough idle, hesitation, or a check engine light on your 4.3L V8 Lexus/LS430? This is the genuine OEM V8 4.3L throttle body, part number 22030-50160, shared across the Lexus GS430, LS430, and SC430.

This is the complete throttle body assembly with throttle valve and throttle control motor, ready to install with the included pin-style connector.

Product Highlights

• Genuine Lexus OEM V8 4.3L throttle body
• OEM part number 22030-50160
• Includes throttle valve and throttle control motor
• Exact item pictured will be shipped

Vehicle Fitment

2001–2005 Lexus LS430, 2002–2005 Lexus GS430, and 2002–2005 Lexus SC430, per the compatibility table below

Note on fitment: this listing's title mentions "GS400," but our own compatibility data (in the table below) only confirms GS430, LS430, and SC430 — no GS400 rows appear. GS400 uses an earlier 4.0L engine, not the 4.3L this throttle body is built for. Don't assume GS400 fitment from the title alone; confirm your engine displacement and part number before ordering.

What Is Included

Throttle body assembly with throttle valve and control motor, as pictured. Only the components visible in the photos are included.

Condition

Pre-owned genuine OEM unit. May show normal cosmetic wear from age and prior installation. Check the photos closely for: throttle plate and bore condition (carbon buildup or damage), connector pins and housing condition, and gasket surface condition. You will receive the exact throttle body shown, not a stock photo or substitute unit.

Verify Fitment Before Ordering

Compare against your original before ordering: part number 22030-50160 matches your original, and your engine is the 4.3L V8 (not the 4.0L GS400 engine). For additional fitment support, send us your VIN and a clear photo of your original throttle body's part number before ordering.

Why Choose a Genuine OEM Lexus Throttle Body?

• Factory-calibrated throttle response for your exact engine
• Original connector — no rewiring needed
• More reliable than a low-cost aftermarket throttle body

This is a single unit currently in stock — once sold, we may not have another matching unit.

Installation

Installation is a straightforward bolt-on swap — most vehicles will need a throttle relearn/idle adaptation procedure after installation. An erratic idle or check engine light isn't always the throttle body itself — carbon buildup on the throttle plate, a vacuum leak, or a dirty MAF sensor can cause the same symptoms. Confirm the throttle body is genuinely the fault before ordering.

Order With Confidence

Purchase from Right Choice Auto Parts for accurately represented OEM automotive parts and responsive fitment support. Only one of this exact throttle body is currently in stock.