NewLine Spin-on Fuel Filter NL-BF1271 – Replaces BF1271, Cummins 3942533

High-performance replacement Spin-on Fuel Filters for diesel and gasoline fuel systems on trucks, buses, agricultural and construction equipment.
Direct replacement for BF1271 and Cummins 3942533. Premium filtration efficiency.

Technical Specifications

Outside Diameter

3.688 inch (93.7 mm)

Length

5.375 inch (136.5 mm)

Thread Size

M20 x 1.5

Micron Rating (Nominal)

4.0

Micron Rating (Absolute)

20.0

Sealing & Components

[1] Included; Integral Gasket: G401; End Seals: [1] Included; Sensor Port Thread: 1 1/4-10; Integral Post Seal

Cross Reference

Cummins 3942533

Item Information

The NewLine NL-BF1271 is engineered to meet or exceed OEM specifications for diesel and gasoline fuel systems on trucks, buses, agricultural and construction equipment. It provides superior protection for your equipment’s engine and hydraulic systems.

This filter serves as a direct, high-quality replacement for: BF1271, Cummins 3942533, Cummins ISB Series Engines.

Key benefits:

  • Helps protect injectors and fuel system components from harmful particles.
  • Supports efficient combustion and reliable engine starting.
  • Aftermarket value with performance comparable to OEM fuel filters.

Note: All manufacturer names, symbols and part numbers are used for reference purposes only. The NewLine filter is an aftermarket equivalent and is not endorsed by the original equipment manufacturer.

Request a Quote
Drag & Drop Files, Choose Files to Upload