BW4482 T-Case ’03-’05 GM Truck 27-Spline Input, 2-Speed AWD

BW4482 Transfer Case Zumbrota Drivetrain has long been committed to offering great-quality fixed transfer cases. As vehicles have become more complex, we have leveraged our deep industry knowledge to refine our manufacturing processes and techniques. This commitment to excellence has built the trust of our customers, and we continue to uphold our promise: vision, quality, and dependability.

Each of our transfer cases is rebuilt with strict sticking specifications, ensuring a top-quality build that gives you confidence when reselling or installing the product in a vehicle.

Key Features : BW4482 Transfer Case

Rigorous Quality Inspections

We conduct three rounds of inspections throughout the remanufacturing process to guarantee the highest quality standards:

1. Pre-Inspection: This is performed to verify the unit is free from case cracks, excessive wear, and other OEM-related issues commonly found in cores.
2. Mid-Process Inspection: A second inspection during the remanufacturing process ensures that all parts meet OEM specifications.
3. Post-Build Inspection: A final inspection ensures the unit is built according to our stringent standards.

Advanced Cleaning Process

All transfer cases are cleaned using our high-tech water cleaning and rinsing technique. This meticulous process restores each case to its original OEM finish, ensuring every unit looks and performs as new. Once you see it, you’ll understand the level of quality we’re referring to.

100% Component Replacement

We replace standard wear components with 100% new parts, including:

• Seals
• Bearings
• Viscous couplers (when applicable)
• Other wear components

Safe Shipping

High-density plastic totes are what we employ to send our transfer cases, preventing damage during transportation and guaranteeing that they arrive in pristine shape.

Warranty

Every transfer case comes with a standard 2-Year/Unlimited Mileage Warranty, giving you peace of mind knowing that your investment is protected.

Technical Details

• Transfer Case Assembly
• Transmission Speeds: 4
• Model: BW4482
• Input Shaft: 27 Spline
• Rear Output Shaft: 32 Spline
• Front Output Shaft: Internal Spline
• Transmission Options: M30 or M33
• Shift Type: Electric Shift
• Option: NR4
• Drive Type: Full time
• Tag Numbers:
  • 12575088
  • 12576707
  • 12577743
  • 12578860
  • 12580453
  • 12580560
  • 12581643
  • 12588228
  • 12589498
  • 12593678
  • 24231474
  • 24232826
  • 89048544
• Hollander Number: 412-538
• Other Numbers: UMT140

Vehicle Compatibility with the BW4482 Transfer Case

The BW4482 Transfer Case works with the following vehicles:

•  2003- 2005 Chevrolet Silverado 1500
•  2003- 2005 Chevrolet Suburban 1500
•  2003- 2005 Chevrolet Tahoe
•  2003- 2005 GMC Sierra 1500
•  2005  GMC Yukon
•  2003-2005 GMC Yukon XL