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MTH Trains - DCS Accessory Interface Unit (AIU) (50-1004) Items for Sale
First Catalog: MTH 2009 Ready-To-Run Catalog
Most Recent Catalog: MTH 2020-21 Ready-To-Run Catalog
Part Number: 50-1004
Category: Accessory
| eBay Summary - Currency Code: USD | Count | Avg. Price (USD) | Low Price (USD) | High Price (USD) |
| Bid Auctions | 2 | 90.00 | 50.00 | 129.99 |
| Buy it Now Auctions | 17 | 112.93 | 50.00 | 179.00 |
Listed below are current active eBay auctions for this Item.
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Current eBay Auctions
Title: MTH 50-1004 DCS AIU accessory interface unit used condition
Currency: USD
Current Bid Price: $50.00 ( 0 bids)
Buy It Now Price: 74.95
Auction Ends: 26th March, 2026
Item location: Danville, US
Seller Rating: 11/100.0%
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Currency: USD
Current Bid Price: $50.00 ( 0 bids)
Buy It Now Price: 74.95
Auction Ends: 26th March, 2026
Item location: Danville, US
Seller Rating: 11/100.0%
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Title: MTH 50-1004 DCS ACCESSORY INTERFACE UNIT OB
Currency: USD
Buy It Now Price: $50.00 or Best Offer
Item location: College Point, US
Seller Rating: 176/100.0%
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Currency: USD
Buy It Now Price: $50.00 or Best Offer
Item location: College Point, US
Seller Rating: 176/100.0%
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Title: MTH 50-1004 DCS AIU accessory interface unit tested EX cond
Currency: USD
Buy It Now Price: $74.90 or Best Offer
Item location: Harrisburg, US
Seller Rating: 3902/99.9%
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Currency: USD
Buy It Now Price: $74.90 or Best Offer
Item location: Harrisburg, US
Seller Rating: 3902/99.9%
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Title: MTH 50-1004 DCS Accessory Interface Unit EXBox
Currency: USD
Buy It Now Price: $81.99
Item location: Flowery Branch, US
Seller Rating: 744084/99.8%
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Currency: USD
Buy It Now Price: $81.99
Item location: Flowery Branch, US
Seller Rating: 744084/99.8%
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Title: MTH 50-1004 DCS Accessory Interface Unit AIU
Currency: USD
Buy It Now Price: $85.00 or Best Offer
Item location: Charleston, US
Seller Rating: 589/100.0%
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Currency: USD
Buy It Now Price: $85.00 or Best Offer
Item location: Charleston, US
Seller Rating: 589/100.0%
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Title: MTH 50-1004 Digital Command System Accessory Interface Unit EXBox
Currency: USD
Buy It Now Price: $99.99
Item location: Flowery Branch, US
Seller Rating: 744079/99.8%
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Currency: USD
Buy It Now Price: $99.99
Item location: Flowery Branch, US
Seller Rating: 744079/99.8%
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Title: MTH 50-1004 DCS Accessory Interface Unit EXBox
Currency: USD
Buy It Now Price: $99.99
Item location: Flowery Branch, US
Seller Rating: 744079/99.8%
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Currency: USD
Buy It Now Price: $99.99
Item location: Flowery Branch, US
Seller Rating: 744079/99.8%
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Title: MTH TRAINS 50-1004- DCS ACCESSORY INTERFACE UNIT with BOX CABLE INSTRUCTIONS
Currency: USD
Buy It Now Price: $100.00
Item location: West Des Moines, US
Seller Rating: 4972/99.8%
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Currency: USD
Buy It Now Price: $100.00
Item location: West Des Moines, US
Seller Rating: 4972/99.8%
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Title: MTH 50-1004 Digital Command System Accessory Interface Unit EX
Currency: USD
Buy It Now Price: $104.64
Item location: Flowery Branch, US
Seller Rating: 744072/99.8%
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Currency: USD
Buy It Now Price: $104.64
Item location: Flowery Branch, US
Seller Rating: 744072/99.8%
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Title: MTH TRAINS - 50-1004- DCS ACCESSORY INTERFACE UNIT- BOXED- EXC- B1
Currency: USD
Buy It Now Price: $118.39
Item location: Morganville, US
Seller Rating: 114642/99.8%
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Currency: USD
Buy It Now Price: $118.39
Item location: Morganville, US
Seller Rating: 114642/99.8%
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Title: MTH 50-1004 ACCESSORY INTERFACE UNIT DCS AIU NEW SEALED Command Control O-Scale
Currency: USD
Buy It Now Price: $125.00 or Best Offer
Item location: Milton, US
Seller Rating: 2540/100.0%
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Currency: USD
Buy It Now Price: $125.00 or Best Offer
Item location: Milton, US
Seller Rating: 2540/100.0%
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Title: DCS BY MTH TRAINS ITEM 50-1004 ACCESSORY INTERFACE UNIT
Currency: USD
Current Bid Price: $129.99 ( 0 bids) or Best Offer
Auction Ends: 21st March, 2026
Item location: Catonsville, US
Seller Rating: 11044/100.0%
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Currency: USD
Current Bid Price: $129.99 ( 0 bids) or Best Offer
Auction Ends: 21st March, 2026
Item location: Catonsville, US
Seller Rating: 11044/100.0%
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Title: MTH 50-1004 DCS AIU Accessory Interface Unit
Currency: USD
Buy It Now Price: $135.99
Item location: York, US
Seller Rating: 12060/99.9%
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Currency: USD
Buy It Now Price: $135.99
Item location: York, US
Seller Rating: 12060/99.9%
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Title: MTH DCS Accessory Interface Unit AIU Digital Command System Train 50-1004 NEW
Currency: USD
Buy It Now Price: $139.95
Item location: Morganton, US
Seller Rating: 6609/99.5%
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Currency: USD
Buy It Now Price: $139.95
Item location: Morganton, US
Seller Rating: 6609/99.5%
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Title: DCS INTERFACE UNIT 50-1004 MTH ACCESSORY
Currency: USD
Buy It Now Price: $149.99
Item location: Chambersburg, US
Seller Rating: 3129/99.5%
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Currency: USD
Buy It Now Price: $149.99
Item location: Chambersburg, US
Seller Rating: 3129/99.5%
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Title: MTH 50-1004 DCS Accessory Interface Unite AIU
Currency: USD
Buy It Now Price: $149.99
Item location: Lilburn, US
Seller Rating: 33115/99.9%
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Currency: USD
Buy It Now Price: $149.99
Item location: Lilburn, US
Seller Rating: 33115/99.9%
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Title: DCS ACCESSORY INTERFACE UNIT AIU DIGITAL COMMAND SYSTEM
Currency: USD
Buy It Now Price: $150.00 or Best Offer
Item location: Naples, US
Seller Rating: 6/100.0%
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Currency: USD
Buy It Now Price: $150.00 or Best Offer
Item location: Naples, US
Seller Rating: 6/100.0%
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Title: FACTORY SEALED MTH 50-1004 ACCESSORY INTERFACE UNIT DCS AIU FREE SHIPPING
Currency: USD
Buy It Now Price: $179.00
Item location: Paducah, US
Seller Rating: 10935/99.8%
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Currency: USD
Buy It Now Price: $179.00
Item location: Paducah, US
Seller Rating: 10935/99.8%
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Last Updated March 21, 2026, 8:14 pm
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