Beck Arnley 051-3491 Wheel Bearing - Front Inner or Rear Outer

OE-Style Wheel Bearing for Import Applications

Beck Arnley 051-3491 is a wheel bearing built to match foreign nameplate OE specifications for form, fit, and function. It is a direct-fit choice for select Nissan Frontier and Mazda applications where the correct cone and cup dimensions matter for smooth wheel support and proper hub operation.

Use Beck Arnley 051-3491 when you need a replacement wheel bearing with the right dimensional profile for the application. This part number is specified for rear outer use on the 2003-2004 Nissan Frontier and front inner use on select Mazda RX-7 and Mazda 626 models.

Key Features

• Beck Arnley 051-3491 wheel bearing for import driveline and axle service
• Built to OE specifications for form, fit, and function
• Cone bore: 28 mm (1.1024 in.)
• Cone length: 16 mm (0.6299 in.)
• Cup length: 0.7424 in.
• Fits 2003-2004 Nissan Frontier, rear outer
• Fits 1979-1985 Mazda RX-7, front inner
• Fits 1979-1982 Mazda 626, front inner

Detailed Description

Beck Arnley 051-3491 is engineered for foreign nameplate vehicles that require OE-matched wheel bearing dimensions and performance characteristics. The listed cone bore, cone length, and cup length help ensure the bearing matches the original service part geometry, which is important for correct wheel support and bearing seating. For shoppers searching for a Nissan Frontier rear outer wheel bearing or a Mazda RX-7 front inner wheel bearing, this part number provides a focused fitment match. Beck Arnley 051-3491 also serves Mazda 626 front inner applications within the listed model years.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Wheel end noise caused by worn bearing surfaces
• Excessive wheel play or looseness at the hub
• Rough rotation from bearing wear or contamination
• Improper bearing fit when the original dimensions no longer match
• Service replacement needs on Nissan Frontier and Mazda driveline assemblies

Installation Notes and Tips

Verify the vehicle position before installation: 2003-2004 Nissan Frontier rear outer, 1979-1985 Mazda RX-7 front inner, or 1979-1982 Mazda 626 front inner. Confirm cone bore and length against the removed bearing and inspect the mating cup, hub, and spindle surfaces for wear or scoring before assembly. Clean all contact surfaces thoroughly and follow the vehicle service manual for bearing preload, torque, and lubrication procedures.

Quality Assurance

Beck Arnley sources parts through a global network to meet OE-style requirements for import applications. The 051-3491 wheel bearing is selected to support correct fitment and service consistency for the listed Nissan and Mazda models.