Used E40D/4R100 Transmission Oil Pump RF-F81P-7B324-AA for Ford F-350 1999-2003/2017-2019

This is a professionally tested used transmission oil pump, OE part number RF-F81P-7B324-AA, designed for the Ford E40D/4R100 automatic transmission. It is compatible with Ford F-350 models from 1999-2003 and 2017-2019.

The oil pump is the heart of the transmission, providing pressurized fluid to lubricate gears, clutches, and valves, as well as powering hydraulic control systems. Manufactured to OEM specifications, this unit eliminates common issues like low pressure, slipping, and transmission damage caused by a faulty or worn pump.

• Fully disassembled, cleaned, and inspected by experienced technicians
• Worn gears, bearings, and seals replaced with high-quality components
• Calibrated to match OEM specifications for pressure output and flow rate

• Direct fit for Ford E40D/4R100 automatic transmissions
• Matches original part number RF-F81P-7B324-AA for accurate installation, no modification required
• Compatible with Ford F-350 (1999-2003 / 2017-2019) models

• Resolves low line pressure, slipping, and delayed shifts
• Fixes lubrication issues, overheating, and related error codes
• Restores proper fluid circulation and transmission operation

• Used pump assembly at a fraction of the new OEM price
• Competitive pricing for retail and bulk orders
• Fast delivery within 1-5 working days via global express shipping