The Bomag 05745491 Decompression Spring is a genuine OEM component designed for the BW 75 H walk-behind light roller. Sourced directly from Bomag, this spring meets the exact specification required for proper engine decompression function on the BW 75 H. It installs as a direct replacement for the original part, requiring no adaptation to fit the application.
Key Features
- Genuine OEM Spring Tension — manufactured to Bomag's exact load and rate specification, ensuring the decompression mechanism engages and releases at the correct point in the engine cycle
- Direct OEM Replacement — matches the original Bomag 05745491 decompression spring dimension for dimension, dropping into the existing assembly without modification
- BW 75 H Fitment Confirmed — validated for BW 75 H walk-behind light rollers, so you can order with confidence knowing this is the right spring for your machine
- Correct Engine Start Behavior — a properly functioning decompression spring reduces compression during pull-starting, making cold starts easier and reducing stress on the starter mechanism
- Long-Term Elasticity — genuine OEM spring steel resists fatigue and set over repeated compression cycles, unlike worn or substitute springs that lose tension and compromise decompression timing
The decompression spring is a key part of the engine's decompression system, which temporarily reduces cylinder compression to make pull-starting easier and less physically demanding. When the starter rope is pulled, the decompression valve opens to bleed off excess cylinder pressure, and the spring is what returns that valve to its closed position once the engine fires and reaches running speed. A worn or broken decompression spring causes the valve to stay open or fail to seat properly, leading to hard starting, loss of compression, and reduced engine performance — making timely replacement essential to keeping the BW 75 H roller operating as intended.
Part Details
| Part Number | 05745491 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Decompression Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Walk-Behind / Light Roller | BW 75 H | 00817564, 00818745, 00818779, 00825327, 00826079, 00826081 |
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.
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