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Baldwin Filters BF7531 spin-on fuel filter, metal canister, silver finish

Baldwin Filters

Baldwin Filters BF7531 Fuel Filter Spin-On 10 micron

SKU CH-FK8G-7ASEC

Spin-on fuel filter rated at 10 micron with integral gasket and post seal for secure fit

  • 10 micron filtration protects fuel system components
  • Spin-on design enables quick filter replacement
  • 7/8 in -14 thread fits compatible fuel lines
  • Integral G449-B gasket provides reliable sealing
  • 5 7/8 in height suits standard filter housings

What the BF7531 fuel filter does

The Baldwin Filters BF7531 is a spin-on fuel filter rated at 10 micron for automotive and light-commercial fuel systems. It installs directly onto the existing filter head and uses an integral post seal to contain fuel during service. Mechanics and fleet operators choose it when a straightforward, single-piece replacement is required.

Flow and contaminant holding over time

The 10 micron media captures fine particles continuously rather than only during initial break-in. The integral G449-B gasket maintains a consistent seal through thermal cycles so pressure drop stays predictable. Spin-on construction means the whole cartridge is swapped at interval, resetting capacity without disassembly of the housing.

Check thread size and clearance before ordering

The filter uses a 7/8 In.-14 thread; verify the engine or filter head matches this pitch. Overall height is 5 7/8 in with a 3 in outside diameter, so confirm there is enough radial and axial space in the engine bay. The integral post seal replaces a separate O-ring, so no additional sealing parts are needed.

How it compares

Measured against everything we stock in Pumps, Sprayers & Pump Accessories, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 80% of the 962 comparable items (median $38.99).

Specifications

Product
Brand nameBALDWIN FILTERS

Questions about this item

How much restriction does the 10 micron element add to the fuel line during continuous operation?

The 10 micron rating provides fine filtration while maintaining adequate flow for typical diesel systems under all-day use.

What thread size must the existing filter head have to accept this spin-on canister?

The canister uses a 7/8 in.-14 thread, so the filter head must match that same thread specification.

Will the integral G449-B gasket seal reliably against an older filter head surface?

The built-in G449-B gasket and integral post seal are designed to seal on standard heads, provided the mating surface is clean and undamaged.

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