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Yukon Gear & Axle

Yukon Gear YG TV6-373-29 Ring & Pinion Gear Set 3.73 for Toyota 8.125 Rear

Regular price
$327.95
Regular price
$506.00
Sale price
$327.95
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In Stock: 18

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Product Specification:

SKU:YUKYG TV6-373-29

MPN: YG TV6-373-29

UPC: 883584245889

Weight: 11.3 lb

Inventory: 18

Type: Final Drive Gears



Vehicle Fitment

  • Toyota vehicles with 8.125" rear differentials and 29-spline pinion shafts
  • Common compatible models include Lexus GX470, Toyota 4Runner, FJ Cruiser, Tacoma, Tundra, T100, and Toyota Pickup rear ends

Fitment Notes

  • Designed for 8.125" ring gear rear differentials using **29-spline** pinion shafts
  • This part is a **ring and pinion gear set only**; bearings, seals, and overhaul hardware are *not included*
  • Verify axle type (8.125") and spline count before installation
  • Professional differential setup recommended for proper pattern and backlash

Features

  • Precision-engineered ring and pinion gear set for Toyota 8.125" rear axles
  • 3.73:1 gear ratio provides improved highway drivability with stock or slightly lifted tires
  • 29-spline pinion gear designed for Toyota V6 and V8 rear applications
  • Heat-treated, precision-machined gears for long-lasting durability
  • Standard rotation design for OEM-style performance and smooth operation
  • Bench-tested for verified gear mesh accuracy and reliable operation
  • Ideal for restoration, replacement, or mild performance upgrades
  • Compatible with differential rebuild kits and overhaul components when installed

Specifications

  • Gear Ratio: 3.73:1
  • Ring Gear Diameter: 8.125"
  • Pinion Spline Count: 29 spline
  • Ring Gear Bolt Count: 10
  • Rotation: Standard
  • Position: Rear Differential
  • Application: Toyota Lexus 8.125" V6/V8 rear axles

Included Components

  • 1x Ring gear
  • 1x Pinion gear

Product Description

The Yukon Gear & Axle YG TV6-373-29 ring and pinion gear set is a high-quality replacement gear set engineered for Toyota vehicles equipped with 8.125" rear differentials and 29-spline pinion shafts. The 3.73:1 gear ratio offers a balanced compromise between highway cruising efficiency and strong low-end performance, making it well-suited for stock or lightly modified builds where improved drivability and drivetrain longevity are priorities.

Manufactured with precision machining and heat-treated materials, this gear set delivers dependable, long-lasting performance in a range of driving conditions. While bearings, seals, and other installation components are not included, the YG TV6-373-29 gears are designed to work with professional differential rebuild kits for full service and optimal gear pattern setup. Whether you're restoring an older Toyota 4Runner or upgrading the rear end of a Lexus GX470, this gear set delivers smooth operation and reliable performance.

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