Genuine Cessna Split Dual Master Switch S1994-1-1 – P/N 11-15900
Offered for sale is a genuine Cessna split dual master switch, Part Number S1994-1-1, also referenced as 11-15900 / S-1994-1 / S1994.

This switch is commonly used in Cessna aircraft electrical systems to control the battery and alternator master circuits through a split toggle design. The unit allows independent control of the battery and alternator systems, an essential safety feature in many Cessna aircraft.

This is a nice, tested pre-owned unit offered at a fraction of the original list price, making it a great option for maintenance shops, rebuilders, or aircraft owners seeking a cost-effective OEM replacement.

Features
• Genuine Cessna OEM aircraft part
• Split dual master switch configuration
• Controls battery and alternator master circuits
• Durable aviation-grade switch construction
• Ideal replacement for worn or failed master switches

Condition
✔ Pre-owned – Tested

• Removed from aircraft during maintenance
• Clean overall condition
• Switch operates properly
• May show normal signs of prior installation or storage

Please review all photos carefully for condition and details.

Weight 0.188 lbs
Dimensions 9 × 6 × 2 in
Brand

Cessna

Manufacturer Part Number

11-15900 S-1994-1 S1994 S-1994-1-1

Manufacturer

Cessna Aircraft Company

MPN

11-15900 S-1994-1 S1994 S-1994-1-1

Country/Region of Manufacture

US

Condition

Used

Condition Details

Safe $$$ Nice, tested pre-owned Item at a fraction of the List Price

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CESSNA S1994-1-1 SPLIT DUAL MA...

$39.00