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Baldwin fuel filter spin-on bowl port silver metal cylinder 8 17/32 in height 4 1/4 in diameter

Baldwin Filters

Baldwin Filters BF46018-O Fuel Filter Spin-On Bowl Port

SKU CH-H3DT-JKJA2

Spin-on fuel filter with water-separator bowl port, 8-17/32 in height, 4-1/4 in diameter, 1 in-14 thread and 3-3/4-10 UNS bowl thread

  • Spin-on design simplifies filter changes
  • Fuel/water separator protects injection systems
  • Open bowl port enables water drainage
  • 1"-14 thread ensures broad fitment
  • Integral post seal prevents leaks

Baldwin BF46018-O Spin-On Fuel Filter

The Baldwin BF46018-O is a spin-on fuel filter designed for fuel and water separation in automotive and heavy-duty systems. It features an open port for a collection bowl to trap water and contaminants before they reach the engine. This unit suits maintenance crews and fleet operators needing reliable filtration.

Open Port Bowl Thread Integration

The filter includes a 3 3/4-10 UNS 2B bowl thread for attaching a transparent collection bowl that lets technicians inspect water accumulation visually. An integral post seal ensures a tight fit against the mounting head to prevent bypass. The 1 In.-14 thread size connects directly to compatible filter heads without extra adapters.

Service Interval Pressure Performance

In normal operation the housing handles system pressure while the media traps particulates and coalesces water droplets for gravity drainage. The spin-on design allows quick removal during scheduled service without special tools. No electrical power or moving parts are involved so noise and power draw are not factors.

Highlights

  • Spin-on design simplifies filter changes
  • Fuel/water separator protects injection systems
  • Open bowl port enables water drainage
  • 1"-14 thread ensures broad fitment
  • Integral post seal prevents leaks

Specifications

BrandBALDWIN FILTERS

Questions about this item

How quickly does the 1‑14 thread filter clog under continuous diesel flow?

The spin‑on bowl port uses a 1‑14 thread and integral post seal; service life depends on fuel contamination level and flow rate, so monitor pressure drop and replace when restriction reaches the engine manufacturer’s limit.

Does the 4‑1/4 in diameter housing run hot or vibrate during all‑day operation?

The aluminium bowl and steel canister dissipate heat passively; no moving parts generate vibration, so temperature rise stays close to ambient fuel temperature under normal flow.

Which 3‑3/4‑10 UNS‑2B bowl thread adapter is required to install the BF46018‑O?

The filter includes a 3‑3/4‑10 UNS‑2B bowl thread; you need a matching bowl or separator head with the same thread to complete the installation.

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