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Description
16221-Z1C-C00 – Honda Throttle Body Gasket (Genuine Honda OEM Part)
The Honda 16221-Z1C-C00 Throttle Body Gasket is a genuine OEM replacement gasket engineered to create a reliable seal between the throttle body and intake manifold on compatible Honda GX-series engines. Manufactured to Honda’s exact specifications, this gasket helps prevent air leaks that can negatively affect engine performance, fuel efficiency, and idle stability.
Constructed from premium heat- and fuel-resistant gasket material, the 16221-Z1C-C00 maintains a tight, durable seal under demanding operating conditions. Replacing a damaged or worn throttle body gasket with a genuine Honda OEM part helps restore proper engine vacuum, smooth throttle response, and dependable engine operation.
Product Details
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Part Number: 16221-Z1C-C00
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Brand: Honda
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Part Type: Throttle Body Gasket
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Function: Seals the throttle body to the intake manifold
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Material: Heat- and Fuel-Resistant Composite Gasket Material
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Installation: Direct OEM Replacement
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OEM Status: Genuine Honda OEM Part
Key Features
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Genuine Honda OEM gasket
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Prevents intake air leaks
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Maintains proper engine vacuum
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Heat- and fuel-resistant construction
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Supports smooth idle and throttle response
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Precision-cut for an exact OEM fit
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Direct replacement with no modifications required
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Designed for long service life
Function
The 16221-Z1C-C00 Throttle Body Gasket seals the connection between the throttle body and intake manifold, preventing unmetered air from entering the engine. A proper seal is essential for maintaining the correct air-fuel mixture, improving engine performance, reducing emissions, and ensuring reliable operation.
Compatible Honda Engines
The Honda 16221-Z1C-C00 Throttle Body Gasket is used on selected Honda GX-series commercial engines equipped with electronic fuel injection (EFI), including applications such as:
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Honda GX630
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Honda GX660
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Honda GX690
It may also fit additional Honda engines that specifically reference OEM part number 16221-Z1C-C00.
Always verify your engine model, serial number, illustrated parts diagram, and original OEM part number before ordering to ensure proper compatibility.
Who Is This For?
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Commercial equipment owners
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Lawn care professionals
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Equipment repair technicians
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Fleet maintenance departments
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Generator service technicians
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Honda engine owners
Recommended Applications
Ideal for:
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Zero-turn mowers
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Commercial lawn equipment
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Generators
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Pressure washers
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Utility vehicles
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Construction equipment
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Industrial power equipment
Pros
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Genuine Honda OEM quality
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Precision-cut for an exact fit
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Prevents intake vacuum leaks
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Heat- and fuel-resistant materials
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Supports proper engine performance
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Easy direct replacement
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Long-lasting durability
Cons
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Compatible only with engines requiring Honda OEM part number 16221-Z1C-C00
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Should be replaced whenever the throttle body is removed to ensure a proper seal
Comparison – Honda 16221-Z1C-C00 OEM Gasket vs Aftermarket Gaskets
Honda 16221-Z1C-C00 Genuine OEM Gasket
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Exact OEM dimensions and sealing surfaces
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Premium heat- and fuel-resistant material
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Reliable long-term sealing performance
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Designed specifically for Honda EFI engines
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Factory-quality fit and durability
Aftermarket Gaskets
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May vary in thickness and material quality
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Potential sealing inconsistencies
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Reduced durability under high temperatures
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May not provide the same OEM fit and performance
Why Buy from Barry's Power Equipment?
Barry's Power Equipment supplies genuine Honda OEM replacement parts trusted by professional landscapers, contractors, and outdoor power equipment technicians.
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Genuine Honda OEM replacement parts
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Fast nationwide shipping
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Competitive pricing
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Expert technical support
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Extensive inventory for Honda, STIHL, Scag, Wright, Toro, Exmark, Ariens, Gravely, Ferris, Kawasaki, Kohler, Briggs & Stratton, Cub Cadet, and John Deere equipment.
