• 4R100
• 5R110W, 6-Stud

Sonnax thrust washer FD-WP-17A replaces worn or damaged washers between the turbine hub and piston when rebuilding Ford 4R100 and 5R110W, 6-stud torque converters.

Learn More

• 4R100
• 5R110W, 6-Stud

Sonnax offers damper/clutch assembly FD-DA-13, an OE replacement with the multi-plate damper/clutch assembly used in the Ford 4R100 and 5R110W torque converter. Se...Read More

Learn More

• 4R100
• 5R110W, 6-Stud
• E4OD

Sonnax small flange impeller hub for the E4OD and 4R100 & other converters. Because many E4OD converter cores have been rebuilt several times over, the materia...Read More

Learn More

• 4R100
• 4R70E
• 4R70W
• 4R75E
• 4R75W
• 5R110W
• AOD
• AODE
• C6
• E4OD
• Finish-in-Place

In listed Ford units, it can be difficult to establish the proper clearance between the converter hub and bushing in listed Ford units because aftermarket drop-in ...Read More

Learn More

• 4R100
• 5R110W, 6-Stud
• 5R110W, 6-Stud, Multi-Plate Performance Converter
• E4OD

Sonnax stator cap FD-WA-24, along with heavy duty thrust bearing JA-N-13, replaces the OE impeller-side stator cap and wear plate in Ford E4OD, 4R100 and early 5R1...Read More

Learn More

• 4R100

Sonnax FD-CC-17S is a fully machined, forged front cover that has a deeper spline with 70% additional height engagement over OE font covers for extra torque capaci...Read More

Learn More

• 4R100

Learn More

• 4R100
• E4OD

Sonnax FD-CC-17L4 is a fully machined, 4-stud version of FD-CC-17S. This forged front cover, like FD-CC-17S, Sonnax’s 6-stud version, has a deeper spline with 70% ...Read More

Learn More

• 4R100
• E4OD

Sonnax large flange impeller hub FD-90-59G has a piloting diameter with substantial back-up surface to provide accurate alignments and superior weld characteristic...Read More

Learn More

• 4R100
• E4OD
• Use with GM-N-8HLT bearing adapter FD-WA-4 or FD-WA-7 (impeller-side only).

Sonnax large flanged impeller hub FD-90-70G has a piloting diameter with substantial backup surface to provide accurate alignments and superior weld characteristic...Read More

Learn More

• 4R100
• E4OD

Replace the worn forward clutch piston with Sonnaxs new replacement piston 36434A. This cast-aluminum piston is a direct replacement for the OE part, and is fully ...Read More

Learn More

• 4R100
• E4OD

The OE springs in many Ford transmissions wear or become fatigued, causing low baseline pressure. OE replacements are hard to find, and many aftermarket springs ha...Read More

Learn More

• 4R100
• 5R110W, 6-Stud

Learn More

• 4R100
• 5R110W, 6-Stud
• 5R110W, 6-Stud, Multi-Plate Performance Converter
• 5R110W, 8-Stud
• 5R110W, 8-Stud, Multi-Plate Performance Converter
• AOD (FIOD)
• AODE, 4R70W, 4R75W
• C4, C6, FMX 12", C4 11-1/4"
• E4OD

Sonnax non-wavy steel snap ring FD-SR-2 is a direct replacement for damaged and worn snap rings in early-style 5R110W, 4R100, E4OD and many other Ford applications...Read More

Learn More

• 4L60
• 4R100
• AX4S
• AXOD
• AXODE
• E4OD
• Imidized Plastic, .312" Dia.

Sonnax check balls 10000-10 (.312") are made out of tough, wear-resistant imidized plastic. The Sonnax imidized plastic balls seal better than steel balls because ...Read More

Learn More

• 4R100
• 5R110W, 6-Stud
• 5R110W, 6-Stud, Multi-Plate Performance Converter

Learn More

• 4R100
• 5R110W, 6-Stud
• 5R110W, 6-Stud, Multi-Plate Performance Converter

Learn More

• 4R100
• 5R110W, 6-Stud
• 5R110W, 6-Stud, Multi-Plate Performance Converter

Learn More

• 4R100
• AOD (FIOD)
• C4, C6, FMX 12", C4 11-1/4"
• C5
• E4OD

Sonnax bearing adapter FD-WA-4A for listed Ford converters is an improved redesign that better supports the impeller-side bearing and replaces the previously available FD-WA-4.

Learn More

• 5R110W, 6-Stud

Sonnax now offers the FD-HT-41HS turbine hub for the 5R110W torque converter. The turbine assembly bore on the 5R110W is .013" smaller than the 4R100, so the 4R100...Read More

Learn More