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TOYOTA
Home> Products> TOYOTA
42423-34040 Rear Axle Bearing Inner Retainer | Toyota Land Cruiser 200 Tundra Lexus LX570 LX600 | RH=LH Universal Fit | Replaces 4242334040 42423-34041
42423-34040 Rear Axle Bearing Inner Retainer | Toyota Land Cruiser 200 Tundra Lexus LX570 LX600 | RH=LH Universal Fit | Replaces 4242334040 42423-34041
42423-34040 Rear Axle Bearing Inner Retainer | Toyota Land Cruiser 200 Tundra Lexus LX570 LX600 | RH=LH Universal Fit | Replaces 4242334040 42423-34041
42423-34040 Rear Axle Bearing Inner Retainer | Toyota Land Cruiser 200 Tundra Lexus LX570 LX600 | RH=LH Universal Fit | Replaces 4242334040 42423-34041

42423-34040 Rear Axle Bearing Inner Retainer | Toyota Land Cruiser 200 Tundra Lexus LX570 LX600 | RH=LH Universal Fit | Replaces 4242334040 42423-34041

OE-Spec Steel Rear Axle Bearing Retainer | China Factory Direct with 12-Month Warranty | Perfect Fit for Toyota Lexus Full-Size SUV/Truck Rear Axle Assembly

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Introduction

  • Core Identification
    This 42423-34040 Rear Axle Bearing Inner Retainer is a direct OE replacement manufactured by EEM Auto Parts, precisely engineered to match Toyota/Lexus specifications for their full-size SUV and truck rear axle assemblies. As a universal RH=LH design, it fits both left and right sides, eliminating the need for separate part numbers for each position. Made from high-strength carbon steel with corrosion-resistant coating, it provides reliable retention for critical rear axle bearings in heavy-duty applications.
  • Core Function
    Secures rear axle inner bearing in correct position, maintains proper bearing preload, and prevents axial movement during vehicle operation. Critical for preserving bearing alignment, reducing friction, and extending bearing service life. Eliminates common issues like rear axle noise, vibration, uneven tire wear, and potential bearing failure caused by worn retainers. Acts as a backup seal surface to prevent differential fluid leaks and contamination ingress.
  • Applicability (Full Toyota/Lexus Coverage)
    • Toyota: Land Cruiser 200 Series (2008-2021), Tundra (2007-2021), Sequoia (2008-2022)
    • Lexus: LX570 (2008-2021), LX600 (2022+)
      Direct bolt-on installation - no modification needed; matches original mounting holes and hardware specifications. Sold individually (2 required for complete rear axle replacement).
  • Product Advantages
    • OE-Spec Precision: 1:1 replication of original dimensions, material thickness, and thread specifications for perfect fit and function
    • China Factory Direct: EEM Auto Parts offers competitive B2B wholesale pricing, eliminating middleman costs for bulk orders
    • Quality Assurance: Rigorously tested for dimensional accuracy, material hardness, and corrosion resistance; backed by 12-month warranty against manufacturing defects
    • Heavy-Duty Construction: High-carbon steel with electrophoretic coating ensures durability in harsh environments (off-road, towing, heavy loads)
    • Cost-Effective: Universal RH=LH design reduces inventory costs by eliminating need for separate left/right parts
    • Wide Compatibility: Perfect replacement for multiple Toyota/Lexus part numbers and aftermarket equivalents

42423-34040 Rear Axle Bearing Retainer | Toyota Lexus RH=LH

The 42423-34040 Rear Axle Bearing Inner Retainer is a critical replacement part for Toyota/Lexus full-size SUV and truck rear axle maintenance. Common signs of failure include rear axle humming/grinding noises (especially during acceleration/deceleration), excessive play in rear wheels, differential fluid leaks near axle shafts, and uneven tire wear. This OE-spec replacement from EEM Auto Parts restores rear axle integrity efficiently in these heavy-duty vehicles.
As a China-based manufacturer, EEM Auto Parts provides:
  • Bulk order discounts for wholesale buyers (ideal for 2-piece rear axle replacements)
  • Custom packaging options (neutral or branded)
  • Fast global shipping with tracking
  • Technical support for installation and troubleshooting
Professional installation recommended to ensure proper bearing preload and warranty validity. Always replace retainers in pairs when servicing both rear axle sides. For best results, pair with new rear axle bearings (Toyota 42450-34040) and seals (90311-48010) when replacing retainers to maximize service life and performance. Torque to manufacturer specifications (180-200 Nm) for proper installation.

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42423 34040 rear axle bearing inner retainer toyota land cruiser 200 tundra lexus lx570 lx600 rhlh universal fit replaces 4242334040 42423 34041-0

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