4R100 E40D 4 Bolt Night Stalker Stock Replacement No Stall Added Lock Up Ford Torque Converter Part Number 24401

Night Stalker Series Torque Converter - Ford 4R100 E40D (Part #24401)

Ensure perfect shifting and unparalleled reliability in your automatic transmission with our high-performance Night Stalker Series Torque Converter. Specifically engineered for the Ford 4R100 E40D application, this unit combines extreme duty components with meticulous quality control to provide dependable power transfer and flawless operation in demanding driving conditions.

This torque converter is built to withstand high stress and maintain peak performance, making it the ideal match for enthusiasts who demand a factory-quality upgrade with modern durability. Our components are rigorously tested and manufactured in the USA.

Product Specifications & Features

• Application Compatibility: Ford 4R100 E40D
• Part Number: 24401
• Series: Night Stalker Series
• Input Shaft Splines: 31 Spline Input Shaft
• Stall Range: Stock Stall (No stall added)
• Core Size: Factory 12-inch Core
• Bolt Circle Diameter: Factory 11.4 inches
• Impeller Hub: Hardened Chrome Molly Impeller Hub
• Bearings: Torrington Style Incased Bearings
• Sealant: Extreme Temp Heavy Duty O-ring
• Lockup Clutch: Oversized Extreme Duty Single Disk Lock Up
• Pilot Diameter: 1.375-inch Crank Pilot
• Mounting: 4 Lug Bolt Pattern (3/8 x 24 TPI Grade 8 Nut Size)
• Design Detail: Modified Extreme Duty Stator and Anti-Balloon Plates (Optional)

Commitment to Quality

Each torque converter undergoes a comprehensive series of quality checks before shipment, ensuring lasting performance and peace of mind. We utilize advanced manufacturing techniques to guarantee durability.

• Digitally Balanced for smooth operation
• Leak and Pressure Tested upon assembly
• 4 Corner Tac Welded Fins or Furnace Brazed construction
• Quality inspections at every stage of production
• Made in the USA

Installation & Performance Notes

Proper installation and fluid selection are critical to achieving optimal performance from your newly installed torque converter.

• Use Type F Transmission Fluid for the best results.
• Always use an additional transmission cooler when operating this unit in extreme conditions.
• All advertised stall ranges are dependent on the specific vehicle setup; final stall range varies by application.

For technical inquiries or to discuss specific vehicle setups, please contact us at 888-267-7464. We have been building high-performance and racing converters since 1970!