The Bomag 78320403 Cover Plate is a genuine OEM component designed for Bomag BW-series tandem rollers, including the BW 100 AC-3, BW 100 AD-3, BW 120 AC-3, BW 120 AD-3, BW 120 AD-3, BW 125 ACH, BW 125 ADH, BW 135 AC, BW 135 AD, BW 138 AC, and BW 138 AD. Sourced directly from Bomag, this cover plate matches the original part in every dimension and material specification, ensuring a clean, flush installation without rework. If you need a confirmed OEM replacement to keep your tandem roller running as built, part number 78320403 is the correct choice.
Key Features
- OEM-Matched Geometry — manufactured to the same dimensional tolerances as the original, so this cover plate seats flush and seals correctly against the mating surface on your Bomag tandem roller
- Direct-Fit Replacement — engineered to drop into the same mounting position as the factory part, with no trimming, drilling, or additional hardware needed
- Broad Tandem Roller Coverage — fits a wide range of Bomag tandem rollers including the BW 100 AC-3, BW 100 AD-3, BW 120 AC-3, BW 120 AD-3, BW 125 ACH, BW 125 ADH, BW 135 AC, BW 135 AD, BW 138 AC, and BW 138 AD
- Protective Function Restored — a correctly fitted cover plate keeps contaminants, debris, and moisture away from the internal components it shields, preserving the integrity of the assembly beneath
- Genuine Bomag OEM Part — supplied under part number 78320403 as an authorized Bomag replacement, giving you confidence in sourcing accuracy and long-term durability
A cover plate on a Bomag tandem roller serves as a protective barrier over an internal cavity, access point, or mechanical assembly. Its role is to prevent dirt, water, and debris from reaching the components underneath, while also maintaining the structural integrity of the surrounding housing. When a cover plate cracks, warps, or goes missing, the exposed components become vulnerable to contamination and accelerated wear — making timely replacement essential to maintaining the machine's overall condition and service life.
Part Details
| Part Number | 78320403 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Cover Plate |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Tandem Roller | BW 138 AD | 00810105, 00810191, 00817473, 00818359 |
| Tandem Roller | BW 135 AD | 00810120, 00817471, 00818357 |
| Tandem Roller | BW 100 AC-3 | 00817457 |
| Tandem Roller | BW 100 AD-3 | 00817458 |
| Tandem Roller | BW 120 AC-3 | 00817462 |
| Tandem Roller | BW 120 AD-3 | 00817463, 00817831, 00817833 |
| Tandem Roller | BW 125 ACH | 00817466 |
| Tandem Roller | BW 125 ADH | 00817467 |
| Tandem Roller | BW 135 AC | 00817470 |
| Tandem Roller | BW 138 AC | 00817472, 00818361 |
| Tandem Roller | BW120AD 3 | 00817571 |
| Tandem Roller | BW 138-AD | 00817572, 00818389 |
| Tandem Roller | BW120 AD-3 | 00817849 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.