James Black Oil Filter 31-4101 for HD Sportster Evolution & Shovelhead

S&S Black Oil Filter 31-4101 for HD Sportster Evolution & Shovelhead

$29.00
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James Black Oil Filter 31-4101 for HD Sportster Evolution & Shovelhead

S&S Black Oil Filter 31-4101 for HD Sportster Evolution & Shovelhead

$29.00

Engineered to match or exceed original specifications, this premium black oil filter provides superior protection for your motorcycle's engine. Featuring an advanced 30-micron filtration rating, it effectively captures smaller particles than standard stock filters while maintaining low restriction to ensure optimal oil flow.

Designed with a direct bypass system, bypassed oil never routes over dirty filter media, ensuring clean and reliable engine lubrication. The compact, smaller-diameter housing allows for effortless installation and clearance across compatible Evolution, Sportster, and Buell models.

Key Features

Brand S&S CYCLE
Manufacturer S&S CYCLE
Part Number 31-4101
Product Type Oil Filter
Color Black
Micron Rating 30µ
Bypass Type Direct bypass (does not pass over dirty media)
Oil Flow Low restriction
Compatible Fitment 1984-1999 HD Evolution, 1986-2016 HD Sportster, 1991-2002 Buell
Quantity Sold Each
Estimated Shipping Weight 0.4 kg

Highlights

  • High-efficiency 30-micron filtration captures finer particles than OEM filters
  • Direct bypass design prevents dirty media contamination during bypass operation
  • Low-restriction construction maintains continuous, optimal oil flow
  • Slimmer profile diameter offers easier installation and clearance

Compatibility

Compatible with the following motorcycle models:

  • 1984–1999 Harley-Davidson Evolution®
  • 1986–2016 Harley-Davidson Sportster®
  • 1991–2002 Buell®
  • Shovelhead Models

Frequently asked questions

What vehicles are compatible with this oil filter?

This filter fits 1984-1999 Harley-Davidson Evolution, 1986-2016 Harley-Davidson Sportster, and 1991-2002 Buell models.

What is the micron filtration rating?

It features a 30-micron rating designed to capture smaller particles than standard stock filters.

How does the direct bypass design work?

The direct bypass system routes bypassed oil directly without flowing over dirty filter media, preventing trapped contaminants from recirculating.

Does this filter restrict engine oil flow?

No, it is engineered for low restriction to maintain consistent, optimal oil flow throughout the engine.

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