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The Boundary oil pump assembly for 1991.5–2005 Ford/Mazda BP inline-4 engines is the specified replacement unit supplied without a crank seal. Offered for BP-family applications, this assembly installs as the pump used in routine service or engine rebuilds on compatible 1991.5–2005 vehicles when the factory-style pump is needed.
Boundary 91.5-05 Ford/Mazda BP (All Types) I4 Oil Pump Assembly (w/o Crank Seal)
