BD Diesel 1062124-4 Build-It 4R100 Stage 4 Master Rebuild Kit 1999-2003 Ford 7.3L

The BD Diesel Build-It Ford 4R100 Stage 4 Master Rebuild Kit is a comprehensive transmission overhaul solution designed for 1999-2003 Ford 7.3L Power Stroke 4WD applications. This professional-grade kit contains the same high-performance components BD Diesel uses in their own transmission builds, making it ideal for experienced builders tackling a complete transmission rebuild.

What's Included:

This Stage 4 Master Kit is the most complete offering in BD's Build-It series, featuring virtually everything needed for a full performance rebuild. The kit includes a complete overhaul gasket set, premium friction materials from leading manufacturers (Raybestos, Borg Warner, and Exedy), upgraded clutch components, and BD's proprietary machined parts for enhanced durability.

Key Performance Components:

• BD machined intermediate piston, pressure plate, and rear ring gear hub for increased strength
• Heavy-duty clutch packs with premium Raybestos, Borg Warner, and Exedy frictions
• Upgraded steel roller clutches for overdrive and overrun applications
• Front and rear bypass tube eliminators to improve fluid flow
• Tugger shift kit for firmer, more consistent shifts
• On/Off lockup kit for better converter control
• Enhanced coast clutch piston and servo piston
• Upgraded intermediate band and sprag assembly
• Reinforced output shaft and rear planet assembly
• Complete bearing, bushing, and thrust washer package
• High-flow gear pump and boost valve with sleeve kit
• Sure-Lock snap rings for secure component retention
• Premium transmission filter

Recommended Additions:

For optimal performance and reliability, BD Diesel recommends pairing this kit with their Heavy Duty Transmission Pan for increased fluid capacity and cooling. Their performance valve body is also a suggested upgrade to maximize shift quality and transmission response.

Warranty Coverage:

This kit is backed by BD Diesel's 12-month/12,000-mile parts warranty, providing peace of mind for your rebuild investment.

Emissions Compliance:

This product is legal for sale and use in all 50 states, including California. No Executive Order (EO) number is required as this is a replacement parts kit that maintains OEM emissions compliance.