1 / 8Specifications
- Country of Origin
- United States
- Original/Reproduction
- Reproduction
About this product
NEW Power Supply Board for Williams 3-6 Games
You are buying a New replacement power supply board for Williams System 3-6 games, original Williams Part D-7999. Board is plug and play.
This board features a high efficiency low heat switching circuits for the 5v supply and the original proven design +/- 100vdc display drivers. Four test points allow monitoring of key voltages. See pics for details.
Applicable games:
- Algar
- Alien Poker
- Blackout
- Black Knight
- Contact
- Disco Fever
- Firepower
- Flash
- Gorgar
- Hot Tip
- Laser Ball
- Lucky Seven
- Phoenix
- Pokerino
- Scorpion
- Stellar Wars
- Time Warp
- Tri Zone
- World Cup
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1 listing from 1 seller. Prices update periodically. Only one listing of this exact product was found; more sellers appear here as they are discovered.
- Lowest price
- $134.99
- Offers
- 1from 1 seller
| Seller | Condition | Ships from | Price | Shipping | Delivery & returns | Total | |
|---|---|---|---|---|---|---|---|
vanwagnd112 via eBay 100% positive · 4,934 ratings Highly rated seller | New | United States | $134.99Lowest price | Free | Est. Oct 22 – Oct 26 | $134.99 | View Deal |
Seller ratings are the feedback eBay reports for each seller. "Highly rated" means at least 98% positive from at least 100 ratings. Total = price + shipping, shown only when the listing states its shipping cost.
Price history
Lowest price available each day, tracked since Oct 7, 2026 (22 days).
- Current lowest
- $134.99
- Previous price
- No change yet
- Lowest recorded
- $134.99
- Highest recorded
- $134.99
- Trend
- → Stable
- since Oct 7
The lowest price for all conditions has not changed in this period, so there is no trend to chart yet.
History is built only from prices this site observed, starting the day tracking began; nothing is estimated or back-filled. Each point is the lowest price among the offers available that day. Shipping, duties and taxes are not included.
