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Replacement Ball-Bearing for Honda GX390 / Clone Big Block Countershaft
390-420-460 Balance Shaft Bearing
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Replacement Ball-Bearing for Honda GX390 / Clone Big Block Countershaft

Part Number: 188F-16900
Online Price: $6.99
Replacement Ball Bearing for Honda GX390 & Clone Big Block Countershaft | Durable OEM Fit
Availability: In Stock.

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Description

Replacement Ball Bearing for Honda GX390 / Clone Big Block Countershaft – Durable and Precision-Fit


Keep your Honda GX390 or clone big block engine running smoothly with this high-quality Replacement Ball Bearing designed specifically for the countershaft (balance shaft). Engineered for durability and precise fitment, this bearing ensures optimal performance and longevity of your engine’s rotating components.


Key Features:

  • Perfect OEM Fit: Designed to match the specifications of the original Honda GX390 countershaft bearing for seamless installation in the side cover of GX390 and compatible clone big block engines.
  • High-Quality Construction: Manufactured with durable steel and precision-ground balls to withstand the stresses of high RPM and engine load.
  • Essential for Engine Rebuilds and Repairs: Ideal for replacing worn or damaged countershaft bearings to restore smooth operation and reduce vibration.
  • Compatible with Clone Engines: Fits most 420cc–460cc GX390-style big block clones, including popular models like Predator 420 and Wildcat 460.
  • Extends Engine Life: Proper bearing replacement helps maintain crankshaft balance and prolongs the life of engine components under demanding conditions.


Applications:

  • Honda GX390 13HP engines
  • Predator 420 and Wildcat 460 clone big block engines
  • Other GX390-style 420cc–460cc clones with side cover countershaft bearing


Ensure your engine’s countershaft spins smoothly and reliably—replace worn bearings with this precision-fit ball bearing designed for Honda GX390 and clone big block engines.

FAQ

Q1: What engine models does this ball bearing fit?
A1: This replacement ball bearing fits the Honda GX390 13HP engine and compatible big block clone engines such as the Predator 420, Wildcat 460, and other 420cc–460cc GX390-style clones.


Q2: Where is this bearing installed in the engine?
A2: It is installed in the side cover of the engine, supporting the countershaft (balance shaft) to ensure smooth rotation and balance.


Q3: How do I know if I need to replace this bearing?
A3: Signs of a worn countershaft bearing include unusual engine noise, increased vibration, or difficulty in engine rotation. Replacing the bearing during rebuilds or repairs can prevent further damage.


Q4: Is this bearing an OEM part?
A4: This is a high-quality replacement bearing manufactured to meet or exceed OEM specifications for reliable performance.


Q5: Can this bearing handle performance or racing applications?
A5: Yes, it is designed to withstand typical engine loads and RPM ranges found in stock and mild performance GX390 and clone big block engines.

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