The Bomag 05741319 Piston is a genuine OEM component designed for BW 100 AD-4, BW 100 AC-4, BW 120 AD-4, and BW 120 AC-4 tandem rollers. Sourced directly from Bomag, this piston meets the same specifications as the original part installed at the factory, ensuring a seamless fit within the engine or hydraulic assembly it serves. Verified under part number 05741319, this replacement is the correct choice for operators maintaining Bomag BW 100 and BW 120 series tandem rollers to OEM standards.
Key Features
- OEM-Grade Material Integrity — Manufactured to Bomag's original dimensional and material tolerances, ensuring the piston delivers the same wear resistance and thermal performance as the component it replaces.
- Drop-In Replacement — Engineered to the exact geometry of the original, this piston seats and seals correctly without reworking bores or mating surfaces.
- Confirmed Fitment — Compatible with BW 100 AD-4, BW 100 AC-4, BW 120 AD-4, and BW 120 AC-4 tandem rollers, covering both the BW 100 and BW 120 series in their AC and AD drive variants.
- Compression and Power Consistency — A properly fitted piston maintains the correct compression ratio, allowing the machine's engine to deliver full power output and consistent drum performance on asphalt passes.
- Genuine Bomag Part — Supplied as a genuine OEM component under part number 05741319, giving you direct traceability to Bomag's own parts catalog for BW-series tandem rollers.
The piston is a core reciprocating component inside the engine cylinder, converting combustion pressure into the crankshaft rotation that powers the machine. It must form a precise seal against the cylinder wall to maintain compression and prevent blow-by, which would rob the engine of power and accelerate oil contamination. A worn or damaged piston typically causes loss of compression, increased oil consumption, rough running, and in severe cases complete engine failure — making timely replacement critical to keeping a tandem roller productive on the job.
Part Details
| Part Number | 05741319 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Piston |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Tandem Roller | BW 100 AD-4 | 00817685 |
| Tandem Roller | BW 100 AC-4 | 00817687 |
| Tandem Roller | BW 120 AD-4 | 00817689 |
| Tandem Roller | BW 120 AC-4 | 00817691 |
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.