Drivetrain Differentials and Rear-End Components

Yukon Gear & Axle

Yukon Chrysler 8.75in Diff 489 Case Dropout Assembly - 3.55 Ratio 30spl w/ Sure-Grip (w/o Yoke)

$1,864.89

SKU: Y001 YDAC8.89-355P/L

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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: YDAC8.89-355P/L

Yukon dropout assemblies are built by expert Yukon technicians and come complete, properly shimmed and backlashed to spec. All you do is install the third member into your diff housing, bolt on the diff cover, add fluid, and roll. This unit features a nodular iron case which improves rigidity and power handling, reducing deflection for consistent gear contact and a long service life. This assembly is upgraded with a Sure-Grip/Powr-Lok limited slip differential, a four-spider-gear design that improves torque bias and traction for maximum performance.

Features:

  • Fits Chrysler 8.75" differential, 489 case
  • Complete, fully assembled dropout
  • 3.55 gear ratio
  • 30 spline
  • Upgraded with Sure-Grip/Powr-Lok clutch-type limited slip differential
  • Does not include yoke

Yukon dropout assemblies are built by expert Yukon techs, come fully shimmed, backlashed to spec, and ready to install. This unit is upgraded with a Sure Grip clutch-type limited slip differential for maximum performance and reliability.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

Yukon dropout assemblies are built by expert Yukon technicians, fully shimmed, backlashed to spec, and ready to install. This unit is upgraded with a Sure Grip clutch-type limited slip differential for maximum performance and reliability. It features a nodular iron case for improved rigidity, power handling, and reduced deflection, ensuring consistent gear contact and long service life. This assembly includes a Sure-Grip/Powr-Lok limited slip differential with a four-spider-gear design to improve torque bias and traction.

Fitment

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Specifications

BrandYukon Gear & Axle
Part NumberY001 YDAC8.89-355P/L

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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