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Transparent cylindrical spin-on filter with 3/4 inch thread, 4-27/32 inch length

Baldwin Filters

Baldwin Filters B243 HVAC control, transparent, 3/4 in thread, 4-27/32 in length

SKU CH-DHX7-4BVFQ

Spin-on oil filter with 18 micron rating, 3/4‑16 thread and bypass valve for automotive and light‑duty engines

  • ColorTransparent
  • Transparent housing lets you inspect filter condition
  • 18 micron rating traps fine contaminants
  • 3/4 in -16 thread fits many engine applications
  • 8 psid bypass valve maintains flow under pressure
  • Anti-drainback valve prevents dry starts

Baldwin B243 HVAC Control Application

The Baldwin Filters B243 is a transparent spin-on oil filter with a 3/4 inch thread designed for automotive and light-duty truck engines. It serves as a full-flow lube component for Chrysler, Ford, Mazda, Toyota, and Volkswagen vehicles. The unit also fits Ford, Gehl, and Kubota equipment alongside Kohler and Onan engines. Its clear housing allows visual inspection of the filter media condition.

Upgrade From Basic Filtration

This filter replaces standard units by adding an 18 micron rating with an 8 psid bypass valve and an anti-drainback valve. The combination protects engine components during cold starts and prevents oil starvation if the media becomes restricted. The jump is worth it when service intervals demand consistent flow and cleaner oil across varied operating temperatures.

Suits Mixed-Fleet Maintenance

Mechanics servicing mixed fleets of passenger cars, vans, and small industrial equipment will appreciate the broad application coverage. Shops focusing solely on heavy-duty diesel platforms or specialised performance builds should look at filters rated for higher capacity or different thread specifications.

Highlights

  • Transparent housing lets you inspect filter condition
  • 18 micron rating traps fine contaminants
  • 3/4 in -16 thread fits many engine applications
  • 8 psid bypass valve maintains flow under pressure
  • Anti-drainback valve prevents dry starts

Specifications

BrandBALDWIN FILTERS
ColorTransparent

Questions about this item

What thread size does the B243 spin-on filter use for mounting?

The filter mounts on a 3/4 in -16 thread, so verify the engine block or adapter matches that pitch before installation.

How should the bypass valve be oriented during installation to avoid a common mistake?

Install the filter with the 8 psid bypass valve facing the correct flow direction; reversing it prevents the valve from opening under pressure.

When should the B243 filter be replaced based on its micron rating?

Replace the filter at the vehicle or engine manufacturer’s recommended interval; the 18 micron rating captures fine particles but does not extend the service schedule.

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