NewLine Spin-on Coolant Filter with BTE Formula NL-BW5178 – Replaces BW5178, GMC 6439296

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 BW5178 and GMC 6439296. Premium filtration efficiency.

Technical Specifications

Outside Diameter

3.688 inch (93.7 mm)

Length

5.375 inch (136.5 mm)

Thread Size

3/4-20

Micron Rating (Nominal)

20

Micron Rating (Absolute)

45

Sealing & Components

Integral Gasket: G381-A

Cross Reference

25MF428-A; White 27-077522

,

GMC 6439296; Mack 25MF428

Item Information

The NewLine NL-BW5178 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: BW5178, GMC 6439296, Mack 25MF428, 25MF428-A, White 27-077522, 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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