The Bomag 05903550 Injection Pump is a genuine OEM component designed for BW 138 AC-5, BW 138 AD-5, and BW 135 AD-5 tandem rollers. Sourced directly from Bomag, this injection pump matches the original specification for a straight-in replacement with no guesswork on fit or compatibility. Whether you're completing a scheduled fuel system service or addressing a failed unit in the field, part number 05903550 restores proper fuel delivery and keeps your tandem roller running at full capacity.
Key Features
- Genuine OEM Fuel Delivery Accuracy — built to the exact injection timing and pressure specification of the original pump, ensuring correct fuel metering for consistent engine output on your tandem roller
- Direct Drop-In Replacement — engineered to the same mounting configuration and port layout as the factory unit, so this pump seats and connects exactly as the original did
- Confirmed Tandem Roller Fitment — verified for the BW 138 AC-5, BW 138 AD-5, and BW 135 AD-5 tandem rollers; order with confidence knowing this is the correct part for your machine
- Protects Engine Longevity — a properly functioning injection pump delivers the right fuel volume at the right pressure; a worn or failing pump causes hard starts, uneven power, and accelerated engine wear
- Genuine Bomag Quality — as an authentic OEM part, the Injection Pump meets every tolerance and material standard set by Bomag for the original equipment application
The injection pump is the heart of a diesel engine's fuel system. It draws fuel from the tank and delivers precisely metered, high-pressure charges to the injectors at exactly the right moment in each combustion cycle. When the pump wears or fails, the engine may exhibit hard starting, rough running, black smoke, or a significant loss of power — all of which compromise asphalt compaction performance on a tandem roller. Replacing a worn pump with a correct-specification unit like part number 05903550 restores the fuel pressure and timing the engine depends on for smooth, efficient operation.
Part Details
| Part Number | 05903550 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Injection Pump |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Tandem Roller | BW 138 AC-5 | 00818719, 00824929 |
| Tandem Roller | BW 138 AD-5 | 00818721, 00824175, 00824927, 00825351 |
| Tandem Roller | BW 135 AD-5 | 00818723, 00824931, 00825355 |
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.
