Match the part number, measurements and connection points that apply to your trailer.
| Bearings | Match inner and outer bearing numbers. |
|---|---|
| Seal | Match the seal number or dimensions. |
| Bolt Pattern | Verify the complete lug pattern. |
| Brake Size | Confirm when applicable. |
Aftermarket replacement brake drum for compatible 10,000 lb GD trailer axle applications using the earlier 12-1/4" × 3-3/8" brake configuration.
| Specification | Detail |
|---|---|
| Part Number / SKU | BD044-D |
| Product Type | Trailer axle brake drum |
| Brake Size | 12.25" × 3.375" 12-1/4" × 3-3/8" |
| Axle Application | 10,000 lb GD |
| Construction | Aftermarket replacement |
| Quantity Included | One brake drum |
| Category | Details |
|---|---|
| Primary Application | Compatible 10K GD trailer axle brake systems |
| Axle Generation | Pre-2009 / 2009-and-older applications |
| Application References | 8-288, BD044-H and 9-44 |
| Common Identifier | Existing drum commonly has 9-44 cast into it |
| Oil-Cap Reference | Commonly used with a 21-36 four-inch oil cap |
| Fitment Method | Match axle generation, brake dimensions, drum casting and oil-cap size |
| Feature | Buyer Benefit |
|---|---|
| Heavy-Duty Application | Designed for compatible 10K GD trailer axle brake systems |
| Earlier Configuration | Supports compatible pre-2009 axle applications |
| 12.25" × 3.375" Size | Matches the listed heavy-duty brake configuration |
| Aftermarket Replacement | Replacement option for compatible listed applications |
| Drum-Only Listing | Clearly identifies the single component included |
Important Fitment Note: This is the brake drum only for compatible pre-2009 10K GD axle applications. The existing drum will commonly have 9-44 cast into it and use a 21-36 four-inch oil cap. Verify the axle generation, 12.25" × 3.375" brake size, drum casting, hub configuration and all related measurements before ordering.
Compatibility: Intended for compatible pre-2009 10K GD trailer axle applications where the brake size, original drum casting and hub configuration match.
System Fit: Designed for 12-1/4" × 3-3/8" heavy-duty trailer brake systems associated with the listed application references.
Installation Notes: Inspect the hub, bearings, seals, oil cap, brake shoes and related hardware during service. Replace or reuse those parts only as appropriate for their condition and specifications.
Performance Insight: Correct drum dimensions are necessary for proper contact with the corresponding brake shoes. An incorrect axle generation or drum configuration may prevent proper assembly or brake operation.
Designed as a replacement brake drum for compatible 10,000 lb GD trailer axle brake systems.
Matches the listed 12-1/4" × 3-3/8" heavy-duty trailer brake configuration.
Intended for the earlier axle design commonly identified by a 9-44 drum casting and four-inch oil cap.
Provides a replacement option for compatible Dexter- and Lippert-style applications where all specifications match.
| Quantity | Item |
|---|---|
| 1 | BD044-D aftermarket brake drum |
| Not Included | Hub, bearings, races, grease or oil seal, oil cap and wheel hardware |
| Not Included | Brake assembly, brake shoes and mounting hardware |
