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TIllotson HW-12A 33.5mm Throttle Shutter
14-515 TIllotson Throttle Shutter (HW-12A)
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TIllotson HW-12A 33.5mm Throttle Shutter

Part Number: 14-515
Online Price: $54.99
14-515 OEM Tillotson Brass Throttle Shutter – Fits 33.5mm HW Carburetors
Availability: In Stock.

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Description

14-515 OEM Tillotson Brass Throttle Shutter – Fits 33.5mm Bore HW Carburetors


The 14-515 OEM Tillotson Throttle Shutter is a precision-machined brass butterfly plate designed for 33.5mm bore Tillotson HW carburetors. This component plays a vital role in throttle response and airflow regulation, making it essential for proper carburetor function and engine performance.


Built to Tillotson’s exact specifications, this is the stock throttle shutter for the HW-12A carburetor, commonly used in high-performance and racing small engine applications.


Key Features:

  • OEM Part Number: 14-515
  • Fits 33.5mm bore Tillotson HW carburetors
  • Stock throttle butterfly for HW-12A model
  • Made from durable, corrosion-resistant brass
  • Ensures precise throttle control and smooth airflow
  • Ideal for rebuilds, replacements, or tuning applications


Compatible With:

  • Tillotson HW-12A (stock application)
  • Other HW-series carburetors with 33.5mm throttle bores
  • Common in karting and performance small engine builds


Why Choose OEM Brass?

Tillotson’s OEM brass throttle shutters offer long-term durability and smooth operation under demanding conditions. Whether you’re restoring a carburetor to stock specs or tuning for consistent throttle response, the 14-515 provides a factory-quality fit and finish.

FAQ

Q1: What carburetors is the 14-515 throttle shutter compatible with?
A: The 14-515 throttle shutter is designed specifically for Tillotson HW-series carburetors with a 33.5mm bore, including the HW-12A model.


Q2: Is this an OEM Tillotson part?
A: Yes, the 14-515 is an original OEM part manufactured to Tillotson's exact specifications for precise fit and performance.


Q3: What material is the throttle shutter made from?
A: It’s made from high-quality, corrosion-resistant brass for durability and smooth throttle operation.


Q4: Why should I use a brass throttle shutter instead of an aftermarket alternative?
A: OEM brass shutters provide consistent performance, better wear resistance, and precise throttle control—ideal for high-performance and racing applications.


Q5: Can I use this part for a rebuild or performance tuning?
A: Absolutely. The 14-515 is perfect for carburetor rebuilds, replacements, or tuning when accuracy and reliability are key.


Q6: Is this suitable for karting engines?
A: Yes, it’s commonly used in karting and other high-performance small engine builds where Tillotson HW carburetors are used.

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