Yukon Gear Dana 30 Disconnect Block-Off Kit (Incl. Seals and Plate) - Black Ops Auto Works
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Yukon Gear Dana 30 Disconnect Block-Off Kit (Incl. Seals and Plate)

YUKYA W39147-KIT
883584213642
Block Off Plates
20+ Units In Stock - Ships Next Business Day
$ 99.89
$ 99.89

SKU: YA W39147-KIT / UPC: 883584213642

Yukon Gear YA W39147-KIT Dana 30 Disconnect Block-Off Kit

Yukon Gear Dana 30 Disconnect Block-Off Kit seals the vacuum port on factory disconnect housings for permanent hub engagement. Designed for 1984-2001 Jeep Cherokee, Wrangler YJ, Comanche and Grand Wagoneer with Dana 30 axles. Delivers reliable full-time 4WD by eliminating vacuum line failures and leaks.

Key Features

  • Precision Block-Off Plate – Machined aluminum plate directly replaces factory port cover for secure seal.
  • Complete Seal Kit – Includes O-rings and gaskets to prevent air leaks and ensure long-term durability.
  • Full Mounting Hardware – Bolts and fittings provided for straightforward bolt-on installation.
  • Direct Dana 30 Fit – Compatible with Jeep factory vacuum disconnect systems on front axles.
  • Vacuum Line Delete – Removes unreliable vacuum components for consistent hub lockup.
  • High-Quality Materials – Built with corrosion-resistant alloys for off-road and street use.

Specifications

Detail Value
Brand Yukon Gear & Axle
Type Axle Disconnect Block-Off Kit
Compatibility Dana 30 Front Axle Vacuum Disconnect
Weight 0.65 lbs
Shipping Dimensions 7 x 5 x 1 inches
Country of Origin USA
Warranty 1-Year Manufacturer Defect

Whats Included

  • Block-off plate
  • Seals and O-rings
  • Mounting hardware

Product Notes

  • Special order item, confirm stock before purchase
  • Requires basic tools for 30-minute install
  • Not for later TJ Wranglers or non-Dana 30 axles

This Part Fits

Year Range Make Model Notes
1984-1993 Jeep Cherokee Base
1991-1992 Jeep Cherokee Briarwood
1985-1988 Jeep Cherokee Chief
1996,1998-2001 Jeep Cherokee Classic
1993-1997 Jeep Cherokee Country
1985-1992 Jeep Cherokee Laredo
1987-1992,1998-2001 Jeep Cherokee Limited
1985-1990 Jeep Cherokee Pioneer
1994-2001 Jeep Cherokee SE
1989-2001 Jeep Cherokee Sport
1987-1992 Jeep Comanche Base
1987-1988 Jeep Comanche Chief
1986 Jeep Comanche Custom
1990-1992 Jeep Comanche Eliminator
1987-1988 Jeep Comanche Laredo
1987-1992 Jeep Comanche Pioneer
1986 Jeep Comanche X
1986 Jeep Comanche XLS
1984-1991,1993 Jeep Grand Wagoneer Base
1984-1985 Jeep Grand Wagoneer Limited
1987-1993 Jeep Wrangler Base
1988-1992 Jeep Wrangler Islander
1987-1990 Jeep Wrangler Laredo
1991-1994 Jeep Wrangler Renegade
1995 Jeep Wrangler Rio Grande
1988,1991-1994 Jeep Wrangler S
1988-1995 Jeep Wrangler Sahara
1994-1995 Jeep Wrangler SE
1987-1988 Jeep Wrangler Sport

Why Choose Yukon Gear?

  • Extensive line of replacement and performance axles for trucks and SUVs
  • High quality alloys with advanced heat-treating for strength
  • Proven durability for off-road, street and track applications
  • Trusted by Jeep enthusiasts for precise fit and reliability

Frequently Asked Questions

  • Q: What does this kit do?
  • A: It blocks the vacuum disconnect port to lock Dana 30 hubs permanently engaged for full-time 4WD.
  • Q: Is installation difficult?
  • A: No, bolt-on design takes about 30 minutes with basic hand tools.
  • Q: Will it fit my modified Jeep?
  • A: Fits factory Dana 30 disconnect housings, verify your axle setup.

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock – ships same or next business day
  • Packaging: Compact box, 7x5x1 inches, 0.65 lbs

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