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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