Beck Arnley 052-3750 Manual Transmission Differential Seal - Left

OE-Style Manual Transmission Differential Seal

The Beck Arnley 052-3750 manual transmission differential seal is built for foreign nameplate applications that call for OE-level form, fit, and function. It is sized for a 69 mm housing bore, 47 mm shaft diameter, and 15 mm overall width with side lip for a precise sealing interface.

Compatible With Toyota Tundra, Toyota 4Runner, and Toyota Tacoma applications that use a left-side differential cover seal for the front or rear differential side.

Key Features

• Housing bore: 69 mm
• Shaft diameter: 47 mm
• Overall width with side lip: 15 mm
• OE-spec replacement for foreign nameplate driveline service
• Beck Arnley 052-3750 for manual transmission differential sealing applications

Detailed Description

Beck Arnley 052-3750 is a manual transmission differential seal engineered to match the dimensions and sealing requirements used in select Toyota driveline applications. The 69 mm housing bore and 47 mm shaft diameter help ensure the seal seats correctly, while the 15 mm overall width with side lip supports a stable sealing surface at the differential cover area. This part is a practical choice when servicing a leaking left-side differential cover seal on a Toyota Tundra, 4Runner, or Tacoma.

Beck Arnley sources parts to meet foreign nameplate OE specifications, giving technicians a direct replacement option for import driveline repairs. If you are searching for a Toyota Tundra differential seal, Toyota 4Runner left differential cover seal, or Toyota Tacoma manual transmission differential seal, Beck Arnley 052-3750 is the cataloged part number to verify against your vehicle and original seal dimensions.

What It Helps Fix

• Gear oil seepage at the differential cover seal area
• Fluid loss from a worn left-side differential seal
• Contamination entering the differential housing through a damaged seal
• Noise or driveline wear related to low lubricant level
• Service issues caused by an incorrect seal bore or shaft size

Installation Notes and Tips

• Verify housing bore, shaft diameter, and overall width before installation.
• Confirm left-side placement and differential cover seal application on the vehicle.
• Inspect the sealing surface for scoring, corrosion, or debris before fitting the new seal.
• Use clean assembly practices to avoid damaging the side lip during installation.
• Match the part to the exact Toyota Tundra, 4Runner, or Tacoma year and drivetrain configuration listed in the fitment data.

Quality Assurance

Beck Arnley parts are sourced to meet foreign nameplate OE specifications for form, fit, and function. The 052-3750 part number is cataloged for confirmed Toyota applications, including 2000-2003 Toyota Tundra, 1996-2002 Toyota 4Runner, and 1995-2000 Toyota Tacoma, all in the left position.