HomeTransmission > Gaskets and Sealing SystemsATP Parts LO-21 Automatic Transmission Torque Converter Seal
Part #: LO-21

ATP Parts LO-21 Automatic Transmission Torque Converter Seal

⚙️ 106 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Mercury, and Lincoln, Freestar, Taurus, Monterey, Sable, Windstar, and Continental
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Reliable Automatic Transmission Torque Converter Seal for Ford, Lincoln, Mercury

The ATP Parts LO-21 automatic transmission torque converter seal is designed to provide a precise fit and reliable sealing performance for select Ford, Lincoln, and Mercury vehicles. This seal helps maintain transmission fluid integrity, ensuring smooth operation of your vehicle's automatic transmission system.

  • Compatible with Ford, Lincoln, and Mercury models including Continental, Freestar, Sable, Taurus, and Windstar
  • Part number LO-21 for easy identification and replacement
  • Manufactured by ATP Parts, a trusted name in transmission gaskets and sealing systems
  • Designed to prevent transmission fluid leaks around the torque converter
  • Durable construction to withstand high temperatures and pressure within the transmission

Product Details and Specifications

The LO-21 torque converter seal from ATP Parts is engineered to meet OEM specifications for automatic transmission sealing. It is part of ATP's line of gaskets and sealing systems, ensuring compatibility and performance for vehicles equipped with automatic transmissions. This seal is critical in maintaining the proper fluid pressure and preventing leaks that can lead to transmission damage. The seal fits a range of Ford, Lincoln, and Mercury models, including the Continental, Freestar, Sable, Taurus, and Windstar, making it a suitable replacement part for these vehicles.

Common Applications and Issues Addressed

  • Prevents transmission fluid leaks at the torque converter interface
  • Helps maintain proper hydraulic pressure within the transmission
  • Reduces risk of transmission slippage or overheating caused by fluid loss
  • Addresses symptoms such as transmission fluid puddles under the vehicle
  • Supports smooth shifting and overall transmission performance

Installation Notes and Tips

  • Ensure the transmission and torque converter mating surfaces are clean before installation
  • Inspect the torque converter hub for wear or damage prior to seal replacement
  • Use appropriate tools to avoid damaging the seal during installation
  • Verify proper seating of the seal to prevent leaks
  • Consult vehicle service manual for torque specifications and detailed procedures

Quality Assurance and Warranty Information

ATP Parts manufactures the LO-21 torque converter seal to meet industry standards for durability and fitment. While specific warranty details may vary, ATP Parts typically offers coverage against manufacturing defects. This seal is produced with materials designed to withstand the demanding environment of automatic transmissions, providing reliable service life when installed correctly.

BrandATP Parts
Part NumberLO-21
LineCodeATP

This part fits 106 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006FordFreestarN/AConverter Impeller Hub Seal
2006FordTaurusN/AConverter Impeller Hub Seal
2005FordFreestarN/AConverter Impeller Hub Seal
2005FordTaurusN/AConverter Impeller Hub Seal
2005MercurySableN/AConverter Impeller Hub Seal
2004FordFreestarN/AConverter Impeller Hub Seal
2004FordTaurusN/AConverter Impeller Hub Seal
2004MercurySableN/AConverter Impeller Hub Seal
2003FordTaurus3.0LV6N/AImpeller Hub
2003FordWindstarN/AConverter Impeller Hub Seal
2003MercurySable3.0LV6N/AImpeller Hub
2002FordTaurus3.0LV6N/AImpeller Hub
2002FordWindstarN/AConverter Impeller Hub Seal
2002LincolnContinentalN/AConverter Impeller Hub Seal
2002MercurySable3.0LV6N/AImpeller Hub
2001FordTaurus3.0LV6N/AImpeller Hub
2001FordWindstarN/AImpeller Hub
2001LincolnContinentalN/AConverter Impeller Hub Seal
2001MercurySable3.0LV6N/AImpeller Hub
2000FordTaurus3.0LV6N/A
2000FordTaurus3.0LV6N/AConverter Impeller Hub Seal
2000FordWindstarN/AImpeller Hub
2000LincolnContinentalN/AConverter Impeller Hub Seal
2000MercurySable3.0LV6N/AImpeller Hub
2000MercurySable3.0LV6N/AConverter Impeller Hub Seal
1999FordTaurus3.4LV8N/AConverter Impeller Hub Seal
1999FordTaurus3.0LV6N/A
1999FordTaurus3.0LV6N/AConverter Impeller Hub Seal
1999FordWindstarN/AImpeller Hub
1999LincolnContinentalN/AConverter Impeller Hub Seal
1999MercurySable3.0LV6N/AImpeller Hub
1999MercurySable3.0LV6N/AConverter Impeller Hub Seal
1998FordTaurus3.4LV8N/AConverter Impeller Hub Seal
1998FordTaurus3.0LV6N/A
1998FordTaurus3.0LV6N/AConverter Impeller Hub Seal
1998FordWindstarN/AImpeller Hub
1998LincolnContinentalN/AConverter Impeller Hub Seal
1998MercurySable3.0LV6N/AImpeller Hub
1998MercurySable3.0LV6N/AConverter Impeller Hub Seal
1997FordTaurus3.4LV8N/AConverter Impeller Hub Seal
1997FordTaurus3.0LV6N/A
1997FordTaurus3.0LV6N/AConverter Impeller Hub Seal
1997FordWindstarN/AImpeller Hub
1997LincolnContinentalN/AConverter Impeller Hub Seal
1997MercurySable3.0LV6N/AImpeller Hub
1997MercurySable3.0LV6N/AConverter Impeller Hub Seal
1996FordTaurus3.4LV8N/AConverter Impeller Hub Seal
1996FordTaurus3.0LV6N/A
1996FordTaurus3.0LV6N/AConverter Impeller Hub Seal
1996FordWindstarN/AImpeller Hub
1996LincolnContinentalN/AConverter Impeller Hub Seal
1996MercurySable3.0LV6N/AImpeller Hub
1996MercurySable3.0LV6N/AConverter Impeller Hub Seal
1995FordTaurus3.8LV6N/A
1995FordTaurus3.2LV6N/A
1995FordTaurus3.0LV6N/A
1995FordTaurus3.0LV6N/AConverter Impeller Hub Seal
1995FordWindstarN/AImpeller Hub
1995LincolnContinentalN/AConverter Impeller Hub Seal
1995MercurySable3.8LV6N/AImpeller Hub
1995MercurySable3.0LV6N/AImpeller Hub
1995MercurySable3.0LV6N/AConverter Impeller Hub Seal
1994FordTaurus3.8LV6N/A
1994FordTaurus3.2LV6N/A
1994FordTaurus3.0LV6N/A
1994FordTaurus3.0LV6N/AConverter Impeller Hub Seal
1994LincolnContinentalN/AImpeller Hub
1994MercurySable3.8LV6N/AImpeller Hub
1994MercurySable3.0LV6N/AImpeller Hub
1994MercurySable3.0LV6N/AConverter Impeller Hub Seal
1993FordTaurus3.8LV6N/AImpeller Hub
1993FordTaurus3.2LV6N/AImpeller Hub
1993FordTaurus3.0LV6N/AImpeller Hub
1993LincolnContinentalN/AImpeller Hub
1993MercurySable3.8LV6N/AImpeller Hub
1993MercurySable3.0LV6N/AImpeller Hub
1992FordTaurus3.8LV6N/AImpeller Hub
1992FordTaurus3.0LV6N/AImpeller Hub
1992LincolnContinentalN/AImpeller Hub
1992MercurySable3.8LV6N/AImpeller Hub
1992MercurySable3.0LV6N/AImpeller Hub
1991FordTaurus3.8LV6N/AImpeller Hub
1991FordTaurus3.0LV6N/AImpeller Hub
1991FordTaurus2.5LL4N/AImpeller Hub
1991LincolnContinentalN/AImpeller Hub
1991MercurySable3.8LV6N/AImpeller Hub
1991MercurySable3.0LV6N/AImpeller Hub
1990FordTaurus3.8LV6N/AImpeller Hub
1990FordTaurus3.0LV6N/AImpeller Hub
1990LincolnContinental3.8LV6N/AImpeller Hub
1990MercurySable3.8LV6N/AImpeller Hub
1990MercurySable3.0LV6N/AImpeller Hub
1989FordTaurus3.8LV6N/AImpeller Hub
1989FordTaurus3.0LV6N/AImpeller Hub
1989LincolnContinental3.8LV6N/AImpeller Hub
1989MercurySable3.8LV6N/AImpeller Hub
1989MercurySable3.0LV6N/AImpeller Hub
1988FordTaurus3.8LV6N/AImpeller Hub
1988FordTaurus3.0LV6N/AImpeller Hub
1988LincolnContinental3.8LV6N/AImpeller Hub
1988MercurySable3.8LV6N/AImpeller Hub
1988MercurySable3.0LV6N/AImpeller Hub
1987FordTaurus3.0LV6N/AImpeller Hub
1987MercurySable3.0LV6N/AImpeller Hub
1986FordTaurus3.0LV6N/AImpeller Hub
1986MercurySable3.0LV6N/AImpeller Hub

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

178631973021FZ7F401AA2F1Z7F401AA4189H46310481676720075901475911086070E6DZ7F401AML39SL94

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.