NewLine Spin-on Lube Filter NL-B243 – Replaces B243, Ford E4FZ-6731-AB

High-performance replacement Spin-on Lube Filters for engine lubrication systems in heavy-duty trucks, buses and off-road equipment.
Direct replacement for B243 and Ford E4FZ-6731-AB. Premium filtration efficiency.

Technical Specifications

Outside Diameter

3.000 inch (76.2 mm)

Length

4.844 inch (123.0 mm)

Thread Size

3/4-16

Micron Rating (Nominal)

12.0

Micron Rating (Absolute)

30.0

Sealing & Components

Attached Gasket: G449-B; Anti-Drainback Valve; 8 PSID By-Pass Valve

Cross Reference

Ford E4FZ-6731-AB; Kohler 277233; Onan 122-0680

Item Information

The NewLine NL-B243 is engineered to meet or exceed OEM specifications for engine lubrication systems in heavy-duty trucks, buses and off-road equipment. It provides superior protection for your equipment’s engine and hydraulic systems.

This filter serves as a direct, high-quality replacement for: B243, Ford E4FZ-6731-AB, Kohler 277233, Onan 122-0680, Chrysler, Ford, Mazda, Toyota, Volkswagen Automotive, Light-Duty Trucks, Vans, Gehl, Kubota Equipment, Kohler, Onan Engines.

Key benefits:

  • Helps protect critical bearings and moving parts in the lubrication circuit.
  • Supports longer oil drain intervals when used in a properly maintained system.
  • Cost-effective alternative to OEM lube filters without compromising protection.

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