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Off-white cylindrical spin-on oil filter with threaded base

Baldwin Filters

Baldwin Filters B2 Oil Filter Spin-On Full-Flow Body Repair Tool

SKU CH-9D15-FST7X

Spin-on oil filter with full-flow design, 9.8 micron rating and anti-drainback valve

  • Full-flow lubrication protects engine components
  • Spin-on design enables quick filter changes
  • 8 micron rating captures fine contaminants
  • Anti-drainback valve prevents dry starts
  • 8 PSID bypass valve maintains oil flow

Product Identity

The Baldwin Filters B2 is a spin-on, full-flow oil filter built for automotive lubrication systems. It also serves hydraulic or transmission circuits where the same thread and flow pattern apply. Mechanics and fleet operators use it for routine service intervals on compatible engines.

Installation Fit

The filter threads onto a 3/4 in automotive filter mount and measures 5 13/32 in long with a 3 11/16 in outside diameter. An anti-drainback valve keeps oil in the canister after shutdown while an 8 PSID front-end bypass valve maintains flow if the element loads up. The included gasket seals against the mounting base.

Upgrade Context

This unit replaces a spent spin-on cartridge during scheduled oil changes. The jump is worth it when the old filter has reached its service mileage or shows pressure-drop symptoms. Buyers who need a different thread size, a cartridge-style element, or a higher micron rating should select another part.

Highlights

  • Full-flow lubrication protects engine components
  • Spin-on design enables quick filter changes
  • 8 micron rating captures fine contaminants
  • Anti-drainback valve prevents dry starts
  • 8 PSID bypass valve maintains oil flow

Specifications

BrandBALDWIN FILTERS

Questions about this item

How fine is the 9.8 micron rating when the engine runs all day?

The 9.8 micron media traps fine particles continuously while the full-flow design maintains steady oil circulation during extended operation.

Does the anti-drainback valve and 8 PSID bypass valve add noise or heat after hours of running?

The anti-drainback valve prevents dry starts silently, and the 8 PSID bypass opens only under restriction without generating extra heat or noise.

What thread size must the engine block have for this filter to seal?

The filter requires a 3/4 inch thread on the engine block for proper installation and sealing.

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