HomeTransmission > Hardware, Fasteners and FittingsPioneer Cables S-1143 Automatic Transmission Flexplate Mounting Bolt
Part #: S-1143

Pioneer Cables S-1143 Automatic Transmission Flexplate Mounting Bolt

⚙️ 7 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 and Mercury, Escort, EXP, Lynx, and LN7
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Reliable Transmission Flexplate Mounting Bolt for Ford and Mercury

The Pioneer Cables S-1143 automatic transmission flexplate mounting bolt is designed specifically for select Ford and Mercury vehicles. Engineered with a 12.0 mm thread diameter, this bolt ensures a secure and precise fit for models such as the Ford Escort, Mercury LN7, and Mercury Lynx.

Key Features of the Pioneer Cables S-1143 Bolt

  • Thread diameter: 12.0 mm for accurate fitment
  • Compatible with Ford Escort, Mercury LN7, and Mercury Lynx
  • Durable construction suitable for automatic transmission applications
  • Part number S-1143 for easy identification and replacement

Detailed Description of the S-1143 Flexplate Mounting Bolt

This automatic transmission flexplate mounting bolt from Pioneer Cables is manufactured to meet the specifications required for proper flexplate attachment in Ford and Mercury vehicles. The 12.0 mm thread diameter provides the necessary strength and threading compatibility to maintain the integrity of the transmission assembly. Using the correct bolt like the S-1143 helps prevent loosening or misalignment that can lead to transmission issues.

Applications and Common Issues Addressed

  • Secures the flexplate to the automatic transmission housing
  • Prevents flexplate wobble or misalignment during engine operation
  • Replaces worn or damaged mounting bolts to maintain transmission stability
  • Helps avoid transmission noise caused by loose flexplate bolts
  • Ensures proper torque retention for safe drivetrain performance

Installation Notes and Tips

  • Verify compatibility with Ford Escort, Mercury LN7, or Mercury Lynx before installation
  • Use a calibrated torque wrench to tighten the bolt to manufacturer specifications
  • Inspect the flexplate and surrounding components for wear or damage during replacement
  • Apply thread locker if recommended by the vehicle manufacturer to prevent loosening

Quality Assurance and Warranty Information

Pioneer Cables manufactures the S-1143 bolt to meet industry standards for automotive fasteners. While specific warranty details are not provided, the part is produced with quality materials to ensure durability and reliable performance in transmission applications. Using the correct part number S-1143 helps maintain vehicle safety and function.

BrandPioneer Cables
Part NumberS-1143
Thread Diameter12.0

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1985FordEscort1.6LL4N/A6 Bolts; Bolt Measurement: M12 - 1.0 X 25mm
1985MercuryLynx1.6LL4N/A6 Bolts; Bolt Measurement: M12 - 1.0 X 25mm
1984FordEscort1.6LL4N/A6 Bolts; Bolt Measurement: M12 - 1.0 X 25mm
1984MercuryLynx1.6LL4N/A6 Bolts; Bolt Measurement: M12 - 1.0 X 25mm
1983FordEscort1.6LL4N/A6 Bolts; Bolt Measurement: M12 - 1.0 X 25mm
1983MercuryLN71.6LL4N/A6 Bolts; Bolt Measurement: M12 - 1.0 X 25mm
1983MercuryLynx1.6LL4N/A6 Bolts; Bolt Measurement: M12 - 1.0 X 25mm

* 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.