The Meritor 04-15900-004 is a conventional rear hub assembly engineered for L-series drive axles with a 21,000 lb GAWR rating. It is a hub-only unit configured for outboard drum brakes with a 10-bolt drum pattern on a 7.25 in. disc bolt circle using 9/16-12 UNC-2B fasteners. The 10-stud wheel pattern sits on an 11.25 in. bolt circle diameter, and the wheel pilot diameter measures 8.654/8.646 in. Inner bearing surface to mounting face is 1.8 in.; IBS to outer surface measures 7.335/7.295 in. The hub ships with wheel studs installed and includes an 8-stud drive flange on a 5.50 in. bolt circle. Bearing cones and cups are called out: inner cone 47686, inner cup 47620, outer cone 39590, outer cup 39520. A genuine Meritor part from Pro Gear and Transmission. Call us to confirm proper fit for your application.
Interchanges:
- 0415900004RI
- 3531727C91
- 415900004
- 82350415900004
- HR0415900004
- TDA0415900004
Features
L-series drive axle application, 21,000 lb GAWR
Conventional hub style, hub only (no drum or bearings pre-installed)
Outboard drum brake position, 10-bolt drum pattern on 7.25 in. bolt circle
10-stud wheel pattern, 11.25 in. bolt circle, 8.654/8.646 in. wheel pilot diameter
8-stud drive flange on 5.50 in. bolt circle, drive stud thread 5/8-11 UNC-3B
Inner bearing surface to mounting face 1.8 in.; includes wheel studs
Tech Specs
- Axle Series: L
- Axle Application: Drive
- GAWR: 21,000 lb
- Hub Style: Conventional
- Hub Type: Hub only
- Brake Type: Drum
- Drum Position: Outboard
- Tone Ring: No
- Fullly Dressed: No
- Wheel Stud Pattern: 10
- Wheel Stud Bolt Circle Diameter: 11.25 in.
- Wheel Stud Hole: 0.904/0.906 in.
- Wheel Pilot Diameter: 8.654/8.646 in.
- Drum Bolt Pattern: 10
- Disc Bolt Pattern: 10
- Disc Bolt Circle Diameter: 7.25 in.
- Disc Bolt Size: 9/16-12 UNC-2B
- Drive Stud Pattern: 8
- Drive Stud Bolt Circle Diameter: 5.50 in.
- Drive Stud Thread: 5/8-11 UNC-3B
- Flange Outer Diameter: 13.40 in.
- Inner Bearing Surface (IBS) to Mounting Face: 1.8 in.
- IBS to Outer Surface: 7.335/7.295 in.
- IBS to OBS: 4.645/4.605 in.
- Inner Cone: 47686
- Inner Cup: 47620
- Outer Cone: 39590
- Outer Cup: 39520
- Oil Seal: A1205W1349
- Wheel Stud: 09-002184
- Drive Flange Stud: 08-007591
- Base Part Number: 15900
- VMRS Code: 018-002-001
