Expedition, Navigator. F150. 9.75 axle. Rear Ring Gear 9.75". Incl.Race.

Side Bearings – Ford (7L1Z-4220-A)

The Side Bearings – Ford (7L1Z-4220-A) are Genuine OEM Ford drivetrain components engineered to support proper gear alignment and smooth rotational movement within the differential assembly. Designed to Ford’s exact factory specifications, these side bearings play a critical role in maintaining drivetrain stability, reducing friction, and ensuring consistent power transfer under varying load conditions.

Manufactured from high-quality, hardened automotive-grade steel, these side bearings are built to withstand high loads, constant rotation, and extreme operating conditions commonly found in differential systems. Over time, worn or damaged side bearings can cause noise, vibration, improper gear mesh, and accelerated wear of internal components. Replacing them with Genuine OEM Ford bearings helps restore proper differential operation and protects surrounding drivetrain parts.

The 7L1Z-4220-A side bearings are designed for direct OEM compatibility with specific Ford differential applications, ensuring precise fitment and correct preload when installed according to factory service procedures. Professional mechanics benefit from predictable performance and accurate tolerances, while experienced DIY mechanics can rely on OEM dimensions and material quality during differential rebuilds or repairs.

Installation is typically performed during differential service, overhaul, or gear replacement. Using Genuine Ford OEM side bearings is essential for maintaining correct gear alignment, reducing driveline noise, and ensuring long-term durability—especially in vehicles used for towing, hauling, or heavy-duty operation.

Key Features and Benefits:

• Genuine OEM Ford side bearings, part number 7L1Z-4220-A

• Hardened steel construction for strength and wear resistance

• Designed to support proper differential gear alignment

• Precision-engineered for exact OEM fitment and tolerances

• Helps reduce noise, vibration, and premature drivetrain wear

• Suitable for professional differential service or advanced DIY repairs

For technicians and vehicle owners focused on drivetrain longevity and factory-level performance, the Side Bearings – Ford (7L1Z-4220-A) provide dependable OEM quality essential for smooth, reliable differential operation.

Expedition, Navigator. F150. 9.75 axle. Rear Ring Gear 9.75". Incl.Race.

Side Bearings – Ford (7L1Z-4220-A)

The Side Bearings – Ford (7L1Z-4220-A) are Genuine OEM Ford drivetrain components engineered to support proper gear alignment and smooth rotational movement within the differential assembly. Designed to Ford’s exact factory specifications, these side bearings play a critical role in maintaining drivetrain stability, reducing friction, and ensuring consistent power transfer under varying load conditions.

Manufactured from high-quality, hardened automotive-grade steel, these side bearings are built to withstand high loads, constant rotation, and extreme operating conditions commonly found in differential systems. Over time, worn or damaged side bearings can cause noise, vibration, improper gear mesh, and accelerated wear of internal components. Replacing them with Genuine OEM Ford bearings helps restore proper differential operation and protects surrounding drivetrain parts.

The 7L1Z-4220-A side bearings are designed for direct OEM compatibility with specific Ford differential applications, ensuring precise fitment and correct preload when installed according to factory service procedures. Professional mechanics benefit from predictable performance and accurate tolerances, while experienced DIY mechanics can rely on OEM dimensions and material quality during differential rebuilds or repairs.

Installation is typically performed during differential service, overhaul, or gear replacement. Using Genuine Ford OEM side bearings is essential for maintaining correct gear alignment, reducing driveline noise, and ensuring long-term durability—especially in vehicles used for towing, hauling, or heavy-duty operation.

Key Features and Benefits:

• Genuine OEM Ford side bearings, part number 7L1Z-4220-A

• Hardened steel construction for strength and wear resistance

• Designed to support proper differential gear alignment

• Precision-engineered for exact OEM fitment and tolerances

• Helps reduce noise, vibration, and premature drivetrain wear

• Suitable for professional differential service or advanced DIY repairs

For technicians and vehicle owners focused on drivetrain longevity and factory-level performance, the Side Bearings – Ford (7L1Z-4220-A) provide dependable OEM quality essential for smooth, reliable differential operation.