Genuine Daihatsu 820406 Valve Spring Set for Briggs & Stratton Vanguard DM850 & DM950 Diesel Engines
Item Specifics
- Part Number: 820406
- Brand: Genuine Daihatsu / Briggs & Stratton
- Type: Valve Spring Set
- Quantity: 1 Set
- Application: Briggs & Stratton Vanguard DM850 & DM950 3-Cylinder Liquid-Cooled Diesel Engines
Product Description
Restore reliable valve train performance with the Genuine Daihatsu 820406 valve spring set for Briggs & Stratton Vanguard DM850 and DM950 diesel engines. Daihatsu manufactured these liquid-cooled diesel engines for Briggs & Stratton, and this genuine OEM spring set meets the original factory specifications for proper valve operation.
Healthy valve springs maintain consistent valve seating, support proper engine compression, and help control valve motion throughout the engine’s operating range. Replace weakened or fatigued springs during an engine rebuild or cylinder head service to help maintain dependable starting, smooth operation, and long-term engine reliability. Red Rock Turf supplies genuine replacement parts trusted by equipment owners and repair professionals.
Included Components
| Part Number | Description | Quantity |
|---|---|---|
| 820406 | Valve Spring Set | 1 Set |
Compatible Models
The Genuine Daihatsu 820406 Valve Spring Set fits select Briggs & Stratton Vanguard liquid-cooled diesel engines manufactured with Daihatsu engine platforms. The compatible engines below include both the DM850 (850cc) and DM950 (950cc) 3-cylinder diesel engine families. Always verify your engine model and specification number before ordering.
DM850 Series – Briggs & Stratton Vanguard (3-Cylinder Diesel · 850cc)
| Engine Model Prefix | Compatible Models |
|---|---|
| 430447 | 430447-0105-01, 430447-0105-A1, 430447-0105-E1, 430447-0105-E2, 430447-0205-E2, 430447-0305-E2 |
| 432447 | 432447-0105-01, 432447-0105-A1, 432447-0105-E1, 432447-0105-E2, 432447-0205-E2, 432447-0376-E2 |
| 433447 | 433447-0115-01, 433447-0115-A1, 433447-0115-E2, 433447-0116-E2, 433447-0215-E2, 433447-0216-E2, 433447-0217-E2, 433447-0317-E2 |
| 437447 | 437447-0105-99, 437447-0205-E2, 437447-0305-E2 |
DM950 Series – Briggs & Stratton Vanguard (3-Cylinder Diesel · 950cc)
| Engine Model Prefix | Compatible Models |
|---|---|
| 522447 | 522447-0105-E2, 522447-0106-E2, 522447-0107-E2, 522447-0108-E2, 522447-0109-E2, 522447-0111-E2, 522447-0112-E2, 522447-0314-E2, 522447-0376-E2, 522447-0405-E2, 522447-0406-E2, 522447-0407-E2, 522447-0412-E2, 522447-0414-E2, 522447-0476-E2, 522447-0478-E2 |
| 580447 | 580447-0105-A1, 580447-0105-E1, 580447-0105-E2, 580447-0110-E2, 580447-0112-A1, 580447-0112-E2, 580447-0113-E2, 580447-0115-E2, 580447-0116-E2, 580447-0205-E2, 580447-0210-E2, 580447-0215-E2, 580447-0216-E2, 580447-0218-E2, 580447-0220-E2, 580447-0221-99, 580447-0225-E2, 580447-0227-E2, 580447-0305-E2, 580447-0310-E2, 580447-0311-E2, 580447-0313-E2, 580447-0315-99, 580447-0316-99, 580447-0318-E2, 580447-0320-E2, 580447-0327-E2, 580447-0328-E2, 580447-0333-E2 |
| 581447 | 581447-0375-E2 |
| 582447 | 582447-0105-A1, 582447-0105-E1, 582447-0105-E2, 582447-0125-A1, 582447-0125-E2, 582447-0130-E2, 582447-0131-E2, 582447-0205-E2, 582447-0209-E2, 582447-0211-E2, 582447-0219-E2, 582447-0221-E2, 582447-0222-E2, 582447-0224-E2, 582447-0225-E2, 582447-0229-E2, 582447-0230-E2, 582447-0231-E2, 582447-0232-E2, 582447-0233-E2, 582447-0235-E2, 582447-0376-E2, 582447-0377-E2, 582447-0381-E2, 582447-0405-E2, 582447-0409-E2, 582447-0411-E2, 582447-0419-E2, 582447-0421-E2, 582447-0424-E2, 582447-0429-E2, 582447-0435-E2, 582447-0476-E2, 582447-0477-E2, 582447-0478-E2, 582447-0481-E2 |
| 583447 | 583447-0217-E2, 583447-0317-E2 |
| 584447 | 584447-0205-E2, 584447-0210-E2, 584447-0305-E2 |
| 587447 | 587447-0105-99, 587447-0205-E2, 587447-0305-E2 |
| 588447 | 588447-0205-E2, 588447-0216-E2, 588447-0223-E2, 588447-0225-E2, 588447-0230-E2, 588447-0305-E2, 588447-0316-E2, 588447-0325-E2, 588447-0330-E2, 588447-0377-E2, 588447-0477-E2 |
| 589447 | 589447-0305-E2, 589447-0308-E2, 589447-0310-99, 589447-0322-E2, 589447-0334-99 |
| 58A447 | 58A447-0201-E2, 58A447-0205-E2, 58A447-0209-E2, 58A447-0210-E2, 58A447-0225-E2, 58A447-0231-E2, 58A447-0234-99, 58A447-0301-E2, 58A447-0305-E2, 58A447-0309-E2, 58A447-0325-E2, 58A447-0334-E2, 58A447-0335-E2, 58A447-0376-E2, 58A447-0381-E2, 58A447-0476-E1, 58A447-0476-E2, 58A447-0481-E2 |
| 58E447 | 58E447-0411-E2 |
Note: Genuine Daihatsu 820406 Valve Spring Set for Briggs & Stratton Vanguard DM850 (850cc) and DM950 (950cc) liquid-cooled 3-cylinder diesel engines. The tables above organize compatible models by engine displacement and model prefix for easier identification. Always verify fitment using your engine model and specification number before ordering.
Always verify fitment using your engine model and specification number before ordering.
Contact Red Rock Turf if assistance is needed.
Key Details
- Genuine Daihatsu / Briggs & Stratton OEM valve spring set
- Fits Briggs & Stratton Vanguard DM850 and DM950 3-cylinder liquid-cooled diesel engines
- Maintains proper valve seating and consistent valve train operation
- Supports reliable engine compression and dependable starting
- Ideal for cylinder head repairs, engine rebuilds, and scheduled maintenance
- Manufactured to original equipment specifications for precise fit and performance
We at Red Rock Turf are a stocking distributor for Briggs and Stratton, Kohler, Kawasaki and Toro. We don’t only sell their OEM parts but we also use them on our equipment repairs and rebuilds. If there is something you need and don’t see it, then please feel free to get a hold of us, call or text 435-213-5854.
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