Clevite MS-2384A-.25MM Engine Crankshaft Main Bearing Set

Clevite MS-2384A-.25MM Main Bearing Set

Clevite MS-2384A-.25MM is a bi-metal engine crankshaft main bearing set for select 2011-2016 Ford F-250 Super Duty and Ford F-350 Super Duty applications. Built with lead-free aluminum silicon, it is engineered for journal surface conditioning, seizure resistance, and wear resistance in undersize service.

Key Features

• Bi-metal aluminum construction with 100% lead-free aluminum silicon
• Engineered with higher silicon content for improved journal surface conditioning
• Supports crankshaft main bearing service on Ford F-250 Super Duty and Ford F-350 Super Duty
• .25mm undersize specification for matched engine rebuild applications
• Oversized housing bore O.D. resized .040" larger than stock
• F1 coated lower main bearings
• Requires thrust washer set, not included; use TW-711S

Detailed Description

This Clevite main bearing set is built for engine rebuilds that require an undersize crankshaft bearing solution. The aluminum-silicon bi-metal design is intended to improve journal conditioning while increasing resistance to seizure and wear under demanding operating conditions. The MS-2384A-.25MM part number is used for select Ford Super Duty diesel and gas engine service where the housing bore and crankshaft dimensions call for this specific undersize configuration.

Compatible With 2011-2016 Ford F-250 Super Duty and 2011-2016 Ford F-350 Super Duty applications listed for this bearing specification. If you are sourcing Clevite MS-2384A-.25MM for a Ford F-250 Super Duty or Ford F-350 Super Duty rebuild, verify crankshaft size, housing bore condition, and thrust washer requirements before assembly.

What It Helps Address

• Crankshaft main bearing wear
• Journal surface scoring
• Seizure from inadequate bearing conditioning
• Oversize or undersize rebuild requirements
• Main bearing service during engine overhaul

Installation Notes

• Confirm the .25mm undersize specification before installation.
• Check housing bore dimensions, since this set uses an oversized housing bore O.D. resized .040" larger than stock.
• Use the required thrust washer set, TW-711S, as noted in the fitment information.
• Inspect crankshaft journals and clean all oil passages before assembly.
• Follow factory torque and clearance procedures for the specific Ford engine.

Quality Assurance

Clevite bearings are known for engine bearing engineering focused on durability and dependable service. This MS-2384A-.25MM bearing set uses lead-free aluminum silicon construction and a coated lower main bearing design for rebuild applications that demand precise fitment and consistent wear characteristics.