Piper Aztec PA-23-250 57-4AW Twin Dual Tachometer – Alt 25700-3 / 550705 tested


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Current Price: 333.00 USD

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🔧 Guaranteed to pass your inspection — or your money back.
If it does not function as described, return it for a full refund. 

Consolidated Piper 

57-4AW 

Twin Dual Tachometer – Alt 25700-3 / 550705 – 

Piper Aztec PA-23-250 – Excellent Tested Condition

  • 🧾 Description:

    • Genuine Consolidated Instrument Co. Twin Tachometer, removed from a Piper Aztec PA-23-250.

    • Manufacturer: Consolidated Instrument Company (CIC)

    • Manufacturer Part Number (PN): 57-4AW

    • Alternate Part Numbers: 25700-3, 550705

    • Type of Part: Dual-indicating engine tachometer displaying left and right engine RPM on one 3⅛″ dial.

    • Range: 0–3000 RPM with redline at 2575 RPM.

    • Condition: Excellent, tested, and functional condition.

      • Both needles move smoothly and accurately across full scale.

      • Minor haze on glass — strictly cosmetic; visibility unaffected.

      • Removed from a flying Piper Aztec during an avionics panel upgrade.

    📸 See Pictures for Details
    Actual unit shown; both pointers, glass clarity, and part numbers clearly documented.

    🔁 Alternate Part Numbers / Cross-References:

    ManufacturerPart NumberNotes
    Consolidated Instrument Co.57-4AWPrimary twin tachometer assembly
    Consolidated Instrument Co.25700-3Alternate production number (same calibration)
    Piper Aircraft550705OEM Piper catalog reference
    Edo-Aire / MitchellEDO 650-TACComparable dual tach used on PA-23 series

    57-4AW, 25700-3, 550705, EDO 650-TAC

    💡 Technical Notes & Compatibility:

    • Displays both left- and right-engine RPM simultaneously on concentric pointers.

    • Standard 3⅛″ instrument-panel mount

    • Designed for Piper Aztec PA-23-250, but also suitable for other twin-engine aircraft using the same sender ratio. please verify with your AP/IA

    • Provides accurate, simultaneous readout for engine synchronization and power management.

    Shipping:


We offer a variety of shipping options, ranging from economy to overnight. You can choose your preferred shipping option at checkout.

Information about Products, Returns and Shipping & Handling:

Please note that unless otherwise specified in the advertisement, the parts sold here may not currently meet the requirements set by the Federal Aviation Administration (FAA). Therefore, it is your responsibility to ensure that your aircraft complies with the standards outlined in 14 CFR Chapter I or other applicable regulations. This may involve obtaining all necessary FAA inspections or making any necessary modifications. We urge you to ask any questions you may have before making your purchase. While we are committed to presenting items as accurately as possible, the final determination of airworthiness and suitability of the item rests with you, the buyer.

Unless otherwise stated, all items sold here are sold "AS IS" with no warranties implied.

International Buyers:

If you are an international buyer, please be aware of your responsibility for any applicable taxes, duties, or customs fees that may be required. We cannot accept responsibility for any non-delivery issues concerning items shipped internationally.

Handling Shipping Damage:

In the unfortunate event that your item is damaged during shipment, please contact us immediately and keep all shipping cartons and packaging materials.

Combining Shipping:

We are happy to offer the option to combine shipping on items. If you have any questions about a particular item or shipping charges, please don't hesitate to send us a message.

Return Policy:

If you are dissatisfied with your purchase, please contact us first via eBay messages before leaving feedback. We are committed to resolving any issues you may encounter. Please note that you must contact us to obtain an RMA (Return Merchandise Authorization) number before returning an item. Our primary concern is customer satisfaction, and we offer a full refund in cases where the item was not as described due to our error. Please be aware that items sold "as is" or "as removed" have a 30-day return policy, and original shipping charges are not refundable. Unfortunately, we cannot accept returns for engines or propellers.

Contacting Us:

Should you need to reach out to us, please contact us directly via eBay messages. We kindly ask that you contact us before leaving negative feedback for any reason you may be dissatisfied with our service or products. Our seller rating is very important to us, and we are dedicated to meeting your needs to the best of our abilities.

See Pictures for Details.


Shipping:

We offer a variety of shipping options, ranging from economy to overnight. You can choose your preferred shipping option at checkout.

Information about Products, Returns and Shipping & Handling:

Please note that unless otherwise specified in the advertisement, the parts sold here may not currently meet the requirements set by the Federal Aviation Administration (FAA). Therefore, it is your responsibility to ensure that your aircraft complies with the standards outlined in 14 CFR Chapter I or other applicable regulations. This may involve obtaining all necessary FAA inspections or making any necessary modifications. We urge you to ask any questions you may have before making your purchase. While we are committed to presenting items as accurately as possible, the final determination of airworthiness and suitability of the item rests with you, the buyer.

Unless otherwise stated, all items sold here are sold "AS IS" with no warranties implied.

International Buyers:

If you are an international buyer, please be aware of your responsibility for any applicable taxes, duties, or customs fees that may be required. We cannot accept responsibility for any non-delivery issues concerning items shipped internationally.

Handling Shipping Damage:

In the unfortunate event that your item is damaged during shipment, please contact us immediately and keep all shipping cartons and packaging materials.

Combining Shipping:

We are happy to offer the option to combine shipping on items. If you have any questions about a particular item or shipping charges, please don't hesitate to send us a message.

Return Policy:

If you are dissatisfied with your purchase, please contact us first via eBay messages before leaving feedback. We are committed to resolving any issues you may encounter. Please note that you must contact us to obtain an RMA (Return Merchandise Authorization) number before returning an item. Our primary concern is customer satisfaction, and we offer a full refund in cases where the item was not as described due to our error. Please be aware that items sold "as is" or "as removed" have a 30-day return policy, and original shipping charges are not refundable. Unfortunately, we cannot accept returns for engines or propellers.

Contacting Us:

Should you need to reach out to us, please contact us directly via eBay messages. We kindly ask that you contact us before leaving negative feedback for any reason you may be dissatisfied with our service or products. Our seller rating is very important to us, and we are dedicated to meeting your needs to the best of our abilities. Guaranteed to pass your Inspection or your money back










Piper Aztec PA-23-250 57-4AW Twin Dual Tachometer – Alt 25700-3 / 550705 tested Piper Aztec PA-23-250 57-4AW Twin Dual Tachometer – Alt 25700-3 / 550705 tested Piper Aztec PA-23-250 57-4AW Twin Dual Tachometer – Alt 25700-3 / 550705 tested
Piper Aztec PA-23-250 57-4AW Twin Dual Tachometer – Alt 25700-3 / 550705 tested Piper Aztec PA-23-250 57-4AW Twin Dual Tachometer – Alt 25700-3 / 550705 tested Piper Aztec PA-23-250 57-4AW Twin Dual Tachometer – Alt 25700-3 / 550705 tested
Piper Aztec PA-23-250 57-4AW Twin Dual Tachometer – Alt 25700-3 / 550705 tested Piper Aztec PA-23-250 57-4AW Twin Dual Tachometer – Alt 25700-3 / 550705 tested Piper Aztec PA-23-250 57-4AW Twin Dual Tachometer – Alt 25700-3 / 550705 tested


Click here to purchase or contact the seller of this item on eBay