Stewart Warner Stewart-Warner 3500 RPM Mechanical Aircraft

Description

Stewart Warner Stewart-Warner 3500 RPM Mechanical Aircraft — $75.

Specs

• Make / Model: Stewart Warner Stewart-Warner 3500 RPM Mechanical Aircraft
• Condition: Used
• Location: Goleta, CA

Summary

Part Number: C668027990121. This classic cable-driven unit was removed from a working aircraft during an engine/avionics upgrade and operationally tested good prior to removal. Piper: PA-28 Cherokee/Warrior/Archer, PA-32 Cherokee Six, PA-24 Comanche.

Description

Stewart-Warner Mechanical Aircraft Tachometer C668027990121 • RPM x100 with Hour Meter – Tested Good

Genuine Stewart-Warner mechanical tachometer with integrated hour meter. This classic cable-driven unit was removed from a working aircraft during an engine/avionics upgrade and operationally tested good prior to removal.

Key Specifications

Manufacturer: Stewart-Warner

Part Number: C668027990121

Serial Number: 551A9K93

Type: Mechanical Cable-Driven Tachometer

Scale: RPM x 100 (0–35) with built-in hour meter

Includes: Gauge + mechanical sender unit (cable drive)

Service Tag: Dated 7/15/2025 – “OPS Tested Good”

Condition & Certification

Removed in excellent used condition

Clean face, needle moves freely, no fogging or damage

Hour meter functional

OPS Tested Good prior to removal

Guaranteed Functional – 30-Day Seller Warranty

Seller pays return shipping if needed

Compatibility

Cessna: 150, 152, 172, 182, 206, 210 series

Piper: PA-28 Cherokee/Warrior/Archer, PA-32 Cherokee Six, PA-24 Comanche

Beechcraft: Bonanza 33/35/36, Debonair, Baron (select models)

Mooney: M20 series

Experimental / Homebuilt aircraft (Vans RV, Lancair, Glasair, etc.)

Most Continental and Lycoming powered piston singles with mechanical tach drives

Buyer should verify exact fitment and cable compatibility with their aircraft

What’s Included

Stewart-Warner Tachometer Gauge (as pictured)

Mechanical sender unit

Original yellow service tag

Important Notes This is a used, serviceable avionics component. Installation must be performed by a qualified maintenance technician in accordance with applicable regulations. Sold with the 30-day functional warranty.

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