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AFR-3890 Foam Air Filter fits 38mm/1.5-Inch Adaptor
AFR-3890 Foam Air Filter fits 1.5" Adaptor
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AFR-3890 Foam Air Filter fits 38mm/1.5-Inch Adaptor

Part Number: AFR-3890
Online Price: $13.99
High-Performance 1.5" Foam Air Filter for Mini Bike and Go-Kart Carburetors
Availability: Out of Stock.

Description

Dual-Stage Foam Air Filter – Fits 1.5" (38mm) Carburetor Inlets


Upgrade your engine's filtration system with this high-performance dual-stage foam air filter, designed for slide carburetors with a 1.5" (38mm) outer diameter air inlet. Commonly referred to as a “POD” style motorcycle filter, this setup offers excellent protection from dirt and debris while allowing maximum airflow for high-performance engines.


Key Features:

  • Dual-stage foam provides superior filtration—first layer catches larger particles, second layer filters fine debris.
  • Fits any 38mm (1.5") OD air inlet, including many slide-style carburetors used in mini bikes, go-karts, and performance small engines.
  • Ideal for engines running VM20, and PZ22 carburetors.


Fitment Compatibility:

  • Knock-off “VM20” Mikuni-style carbs
  • PZ22 slide carburetors
  • Briggs/Walbro PZ22 (Animal/LO206)
  • Denki PZ22 carb on Ghost 212
  • Many generic Chinese slide carburetors with a 38mm air horn

 Important: Always measure the outside diameter (OD) of your carburetor’s air inlet to ensure proper fit before ordering.


Perfect For:

  • Mini Bikes
  • Race Go-Karts
  • DIY Performance Builds
  • Small Engine Tuners

FAQ

Q1: What size carburetor inlet does this air filter fit?
A: This dual-stage foam air filter fits carburetors with a 1.5 inch (38mm) outside diameter air inlet. Please measure your carburetor’s air horn to confirm compatibility before ordering.


Q2: Which carburetor models are compatible with this filter?
A: It fits Knock-off VM20 and PZ22 slide carburetors (including Briggs/Walbro PZ22 and Denki PZ22 used on Ghost 212), and many other Chinese Mikuni clone carbs with a 38mm inlet.


Q3: What are the benefits of a dual-stage foam filter?
A: The dual-stage foam construction provides superior filtration by catching larger particles with the first layer and fine debris with the second, ensuring cleaner air intake while maintaining good airflow for performance.


Q4: Can this air filter be used on mini bikes and go-karts?
A: Yes, it is designed to fit many mini bikes, race go-karts, and other small engine performance applications with the specified 1.5” carburetor inlet.


Q5: How do I maintain the foam air filter?
A: Clean the filter regularly with a mild detergent and water, allow it to dry completely, and re-oil the foam filter to maintain optimal filtration performance.

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