What is the purpose of the oil pump check valve ball?

The ball in the oil pump check valve helps regulate oil flow and pressure. It seals the valve when the pump is not active, preventing oil from draining back and ensuring that oil is ready to be pumped when the engine starts.

Why is this ball made of stainless steel?

Stainless steel is used because it offers good resistance to corrosion and wear, which is important for components operating within an engine's oil system. This helps ensure the ball maintains its shape and function over time.

Does this ball come with the entire check valve assembly?

No, this product is a replacement ball only. It is designed to be used as a direct replacement for the original ball within an existing S&S Cycle oil pump check valve assembly.

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Specifications

Brand: S&S Cycle
Part #: 50-8091
UPC: 50-8091

S&S Cycle Replacement .375in Stainless Steel Ball for Oil Pump Check Valve

Name: S&S Cycle Replacement .375in Stainless Steel Ball for Oil Pump Check Valve
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-replacement-375in-stainless-steel-ball-for-oil-pump-check-va-t14-619156
Price: 4.95 USD
Availability: BackOrder

$4.95

On Backorder — Expected to ship by May 7, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

S&S Cycle replacement .375in stainless steel ball for oil pump check valve.

Key Features

Fits S&S Cycle oil pump check valves.
Measures .375 inches in diameter.
Constructed from stainless steel for durability.
Designed as a direct replacement part.

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About this part

Product Details

S&S Cycle is well-known for their high-performance engine components, and this replacement ball for your oil pump check valve is no different. If you're working on your engine and need to replace this small but critical part, this stainless steel ball is built to last. It's a direct replacement for the original, ensuring proper function of your oil pump's check valve system.

This ball is made from stainless steel, which offers good resistance to corrosion and wear, important for a component that sits within your engine's oil system. At .375 inches in diameter, it's precisely sized to fit the S&S Cycle oil pump check valve assembly, helping to maintain consistent oil pressure and flow. It's a simple part, but crucial for keeping your engine lubricated correctly.