NewLine Spin-on Lube Filter NL-B161-S – Replaces B161-S, Ford D87Z-6731-A

High-performance replacement Spin-on Lube Filters for engine lubrication systems in heavy-duty trucks, buses and off-road equipment.
Direct replacement for B161-S and Ford D87Z-6731-A. Premium filtration efficiency.

Technical Specifications

Outside Diameter3.031 inch (77.0 mm)
Length4.062 inch (103.2 mm)
Thread SizeM20 x 1.5
Micron Rating (Nominal)18.0
Micron Rating (Absolute)40.0
Sealing & ComponentsIntegral Gasket: [1] Included; Anti-Drainback Valve; 20 PSID By-Pass Valve
Cross ReferenceFord D87Z-6731-A; Mazda 8173-23-802

Item Information

The NewLine NL-B161-S 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: B161-S, Ford D87Z-6731-A, Mazda 8173-23-802, Acura, Ford, Honda, Mazda Automotive, Kubota 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.

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