Genuine LH Transfer Case Oil Seal Mazda CX-9 2011-2017 7E5Z7H469C

Genuine LH transfer case oil seal for Mazda CX-9 2011-2017, part number 7E5Z7H469C is a sealing component in the transfer case (Transfer Case/PTU) system, designed to prevent lubricating oil from leaking at the LH drive shaft position while also keeping dust, water, and contaminants from entering the transfer case. This small part plays an important role in maintaining lubrication and protecting the gears and bearings inside the AWD drivetrain assembly.

On the Mazda CX-9 2011-2017 with AWD, the transfer case oil seal is installed at the LH output of the transfer case, fitting tightly around the axle shaft to maintain a seal throughout the process of transmitting torque from the transmission to the rear axle. The seal must withstand high rotational speeds, high temperatures, and continuous oil pressure, so it requires high precision and strong wear resistance.

The genuine seal is made from oil-resistant, heat-resistant synthetic rubber combined with a reinforced steel frame, helping maintain elasticity and long-lasting sealing performance. The sealing lip is precision-machined to reduce friction against the rotating shaft, limit wear, and ensure the transfer case always retains the necessary amount of lubricating oil.

After a period of use, the seal may age, harden, wear at the lip, or tear, leading to oil leaks at the LH axle shaft area. If the vehicle continues to operate with low transfer case oil, the gears and bearings inside will not be properly lubricated, increasing friction, causing noise, and risking serious transfer case damage.

Genuine part number 7E5Z7H469C is manufactured to original standards, ensuring precise dimensions, optimal sealing performance, and full compatibility with the 2011-2017 Mazda CX-9.

Product information

Product name: LH transfer case oil seal / LH Transfer Case Oil Seal
Part numbers: 7E5Z7H469C/ 7E537H469CA/ AW2127238
Brand: Genuine Mazda
Vehicle fitment: Mazda CX-9 AWD
Model years: 2011-2017
Installation position: Left-hand transfer case (LH)
System: Drivetrain - Transfer Case/PTU
Condition: New

Functions and role

• Seals the LH transfer case shaft.
• Prevents transfer case oil from leaking out.
• Keeps water, dust, and contaminants from entering the transmission.
• Maintains the transfer case lubricant level.
• Protects gears, bearings, and drivetrain components.

Key benefits

• High-quality genuine Mazda replacement part.
• Excellent oil and heat resistance.
• Stable sealing performance and effective leak prevention.
• High durability and resistance to high rotational speeds.
• Precise installation to original specifications.

Signs it needs inspection or replacement

• Oil leaks at the LH axle shaft area.
• Abnormally low transfer case oil level.
• Oil residue around the transfer case.
• Whining or squealing noises from the transfer case.
• Seal is hardened, cracked, or deformed during inspection.

👉 The transfer case oil seal is an important sealing component that helps protect the entire AWD drivetrain system. Using genuine Mazda part 7E5Z7H469C helps prevent oil leaks, maintain lubrication, and extend the service life of the transfer case and related drivetrain parts.

Replacement recommendations

• Replace with the correct 7E5Z7H469C part for the vehicle year and LH position.
• Check the condition of the axle shaft surface before installing the new seal.
• Check and top up or replace transfer case oil if needed.
• Also inspect the right-hand seal and related bearings when the transfer case has been removed.
• Prefer genuine parts to ensure sealing performance, durability, and installation accuracy.