The Bomag 05818342 Piston Kit is a genuine OEM component designed for Bomag BW-series single drum rollers and BW 170 AD tandem rollers. Sourced directly from Bomag, this kit delivers the exact tolerances and materials specified for the original engine build. Confirmed fitment spans a wide range of models including the BW 211 D-4, BW 213 D-4, BW 212 D-3, BW 145 DH-3, BW 178 D-3, BW 142 D-2, BW 214 D-4, C 825 C, C 850 C, and additional variants through the BW 211 D-4i and BW 211 D-50 generations.
Key Features
- OEM Piston Precision — manufactured to Bomag's original engine specifications, with correct ring groove dimensions, skirt profile, and metallurgy for this engine family
- Complete Kit Configuration — includes piston components as a matched assembly, simplifying the rebuild process and ensuring all wear items are replaced together
- Broad Single Drum and Tandem Roller Coverage — verified fitment across BW 211, BW 212, BW 213, BW 145, BW 178, BW 142, BW 214, BW 170 AD, C 825 C, and C 850 C models, covering multiple production generations
- Restored Compression and Engine Output — worn or damaged pistons cause loss of compression, increased oil consumption, and reduced compaction force; this kit restores proper cylinder sealing and engine power
- Direct Engine Rebuild Fit — part number 05818342 installs to OEM dimensions, allowing the engine to return to original operating condition without machining or modification
The piston is a core reciprocating component inside the engine cylinder, converting combustion pressure into the crankshaft rotation that powers the roller's vibratory and drive systems. It works alongside the piston rings to seal combustion gases and manage oil film on the cylinder wall. When pistons wear, ring seal degrades, leading to blow-by, reduced power output, excessive oil burning, and ultimately engine failure — making timely replacement with a correctly specified kit essential to keeping the machine operating at full compaction capacity.
Part Details
| Part Number | 05818342 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Piston Kit |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Single Drum Roller | BW 142 D-2 | 00810077 |
| Single Drum Roller | BW 213 D-3 | 00815320, 00815329, 00815390, 00817522, 00817523, 00817588 |
| Single Drum Roller | BW 212 D-3 | 00815325, 00815326 |
| Single Drum Roller | BW 178 D-3 | 00815515 |
| Single Drum Roller | BW 145 DH-3 | 00817481, 00817638 |
| Single Drum Roller | BW 145 PDH-3 | 00817483, 00817639 |
| Tandem Roller | BW 170 AD | 00817498 |
| Single Drum Roller | BW211D 3 | 00817520, 00817581, 00817649 |
| Single Drum Roller | BW145PDH 3 | 00817577 |
| Single Drum Roller | C 825 C | 00817578 |
| Single Drum Roller | C 850 C | 00817583 |
| Single Drum Roller | BW 211 PD-3 | 00817608 |
| Single Drum Roller | BW 211-PD-3 | 00817651 |
| Single Drum Roller | BW 211 D-4 | 00817771, 00817951, 00818127, 00824159, 00824389 |
| Single Drum Roller | BW 213 D-4 | 00817773, 00818293, 00824157, 00824387 |
| Single Drum Roller | BW 212 D-30 | 00817907 |
| Single Drum Roller | BW 145-DH-3 | 00817929 |
| Single Drum Roller | BW 211 PD-4 | 00817939, 00818329, 00824161, 00824391 |
| Single Drum Roller | BW 211 D-40 | 00817941, 00818129 |
| Single Drum Roller | BW 213 D-40 | 00817945, 00818291 |
| Single Drum Roller | BW 213 PD-4 | 00818167, 00818335 |
| Single Drum Roller | BW 211 PD-40 | 00818319 |
| Single Drum Roller | BW 145 DH 40 BW 145 DH 4 | 00818325 |
| Single Drum Roller | BW 145 PDH 40 BW145 PDH 4 | 00818327 |
| Single Drum Roller | BW211D 40 | 00818415 |
| Single Drum Roller | BW211PD 40 | 00818417 |
| Single Drum Roller | C850D | 00818433 |
| Single Drum Roller | BW 214 D-4 | 00818651, 00824185 |
| Single Drum Roller | BW 211 D-50 | 00818869 |
| Single Drum Roller | BW145DH 40 | 00818939, 00818941 |
| Single Drum Roller | BW145PDH 40 | 00818943 |
| Single Drum Roller | BW 211 PD-50 | 00824195 |
| Single Drum Roller | BW 211 D-4 EU-Flex | 00824429 |
| Single Drum Roller | BW 213 D-4 EU-Flex | 00824431 |
| Single Drum Roller | BW 211 D-4i | 00824437 |
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.
