NewLine Spin-on Coolant Filter with BTE Formula NL-BW5179 – Replaces BW5179, GMC 25010921

High-performance replacement Spin-on Coolant Filters with BTE Formula for extended-life heavy-duty coolant systems that use BTE additive chemistry.
Direct replacement for BW5179 and GMC 25010921. Premium filtration efficiency.

Technical Specifications

Outside Diameter4.250 inch (108.0 mm)
Length5.812 inch (147.6 mm)
Thread Size1-16
Micron Rating (Nominal)20
Micron Rating (Absolute)45
Sealing & ComponentsIntegral Gasket: [1] Included
Cross ReferenceGMC 25010921; Mack 25MF418

Item Information

The NewLine NL-BW5179 is engineered to meet or exceed OEM specifications for extended-life heavy-duty coolant systems that use BTE additive chemistry. It provides superior protection for your equipment’s engine and hydraulic systems.

This filter serves as a direct, high-quality replacement for: BW5179, GMC 25010921, Mack 25MF418, Mack Engines, Trucks.

Key benefits:

  • Helps maintain coolant cleanliness for stable engine temperatures.
  • Supports extended coolant and component life when used correctly.
  • Designed to integrate with heavy-duty diesel cooling systems.

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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