HomeTransmission > FlexplatePioneer Cables 871021 Automatic Transmission Flexplate
Part #: 871021

Pioneer Cables 871021 Automatic Transmission Flexplate

⚙️ 37 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, E-250, Crown Victoria, F-150, E-150, Expedition, Mustang, and E-150 Econoline
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Reliable Automatic Transmission Flexplate for Ford Vehicles

The Pioneer Cables 871021 automatic transmission flexplate is engineered to meet the demands of Ford models including the Crown Victoria, E-150 Econoline, E-250, Expedition, F-150, and Mustang. Designed with precision, this flexplate ensures smooth power transfer and reliable performance in your vehicle's drivetrain.

  • Outside diameter: 14.234 inches
  • Tooth quantity: 164 teeth for accurate engagement
  • Diameter: 1.186 inches (379.413 mm)
  • Compatible with pitch flywheels sized 12-14
  • Safety rating: 29.1 certification for enhanced durability
  • SFI approved with certification sticker included

Durable Design and Precise Specifications

This Pioneer Cables flexplate (part number 871021) is manufactured to strict specifications to ensure compatibility and performance with select Ford automatic transmissions. The 164-tooth count and 14.234-inch outside diameter provide a precise fit for the flywheel, supporting efficient torque transfer. The included SFI certification and 29.1 safety rating confirm that this flexplate meets industry standards for strength and reliability, making it suitable for demanding driving conditions.

Compatible Ford Models and Applications

This flexplate is compatible with a range of Ford vehicles, including:

  • Ford Crown Victoria
  • Ford E-150 and E-150 Econoline
  • Ford E-250
  • Ford Expedition
  • Ford F-150
  • Ford Mustang

It is designed specifically for automatic transmissions in these models, ensuring proper fitment and function.

Common Issues Addressed by This Flexplate

  • Eliminates flexplate cracking or warping due to wear
  • Prevents starter engagement problems caused by damaged teeth
  • Reduces vibration and noise from misaligned flexplates
  • Supports smooth torque transfer to the transmission
  • Helps maintain transmission and engine synchronization

Installation Notes and Tips

  • Verify tooth count and diameter match your vehicle’s specifications before installation
  • Ensure the flywheel pitch size (12-14) is compatible with this flexplate
  • Use proper torque settings on mounting bolts to avoid warping
  • Inspect the starter ring gear and replace if worn to prevent engagement issues
  • Consult vehicle service manual for transmission removal and installation procedures

Quality Assurance and Certification

The Pioneer Cables 871021 flexplate is SFI approved and includes an SFI certification sticker, confirming compliance with safety and performance standards. The 29.1 safety rating further ensures the product’s durability under operational stress. This flexplate is manufactured to meet OEM specifications, providing confidence in its fit and function for your Ford vehicle.

BrandPioneer Cables
Part Number871021
Diameter (in)1.186
Diameter (mm)379.413
Outside Diameter14.234
Pitch Flywheels12-14
SFI ApprovedY
SFI Certification Sticker IncludedY
Safety Rating29.1 Certification
Teeth164
Tooth Quantity164

This part fits 37 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2012FordE-2504.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2011FordE-2504.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2010FordCrown Victoria4.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2010FordE-2504.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2010FordF-1504.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2009FordCrown Victoria4.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2009FordE-2504.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2009FordF-1504.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2008FordCrown Victoria4.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2008FordE-2504.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2008FordF-1504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2007FordCrown Victoria4.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2007FordE-1504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2007FordE-2504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2007FordF-1504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2006FordE-1504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2006FordE-2504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2006FordF-150Automatic4.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2005FordE-1504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2005FordE-2504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2004FordCrown Victoria4.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2004FordE-1504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2004FordE-2504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2004FordExpedition4.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2003FordCrown Victoria4.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2003FordE-1504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2003FordE-2504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2003FordF-1504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2003FordMustang4.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2002FordCrown Victoria4.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2002FordE-150 Econoline4.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2002FordExpedition4.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2002FordF-1504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2002FordMustang4.6LV8N/A6 Bolt Crank Pattern; SFI Certified
2001FordE-150 Econoline4.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2001FordExpedition4.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified
2001FordF-1504.6LV8N/ATriton (Romeo) Engine; 6 Bolt Pattern; SFI Certified

* 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:

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