Aetna 8905R-B-H-G LCD Red-Backlit Digital Tachometer
SKU AET-8905R-B-H-G
- Display type
- LCD
- Display illumination
- Red backlight
- Accuracy
- Guaranteed accurate to 1 RPM
- System voltage
- 12V, 24V or 32V
- Housing diameter
- 3-1/8 in
- Bezel diameter
- 3-5/8 in
- Bezel
- Black anodized aluminum
- Voltage
- 12/24/32V
Contact us to confirm availability and shipping time. 30-day returns on unused stocked items. Exclusions apply. Return policy · Shipping policy
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About this product
Tachometer, round, LCD display with red backlight, black anodized aluminum bezel (B) With LCD hour meter, for use on gas engines.
Key features
- Digital tachometer designed for precise engine RPM measurement.
- Aetna guarantees accuracy to one RPM.
- Designed for rugged marine and industrial environments.
Product details
- Display type
- LCD
- Display illumination
- Red backlight
- Accuracy
- Guaranteed accurate to 1 RPM
- System voltage
- 12V, 24V or 32V
- Housing diameter
- 3-1/8 in
- Bezel diameter
- 3-5/8 in
- Bezel
- Black anodized aluminum
- Voltage
- 12/24/32V
- Backlight
- Red
- Gauge Size
- 3-1/8 in
- Hour Meter
- Included
- Engine Type
- Gasoline
- Display Color
- Red backlight
Shipping & returns
- Contact us to confirm availability and shipping time.
- 30-day returns on unused stocked items. Exclusions apply. See policy
- Custom and quoted items are non-returnable once production begins.
Warranty
Backed by the original manufacturer’s warranty plus our workmanship guarantee on assembled harnesses. Contact us with your invoice and we’ll coordinate any covered repair or replacement.
Read the full warranty termsTechnical support
Need help choosing the right part?
Our marine electrical team can review your setup and recommend compatible products. Send a photo, a sketch, or your circuit list and we'll come back with a parts list that fits the boat.
Certifications & training
- ABYC-aware build practices
- OEM-grade marine wire & terminals
Additional capabilities are based on hands-on experience building marine wiring systems rather than third-party certification.
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Have you used this product in a project? Send us photos of your install for consideration in our project gallery.
Why buy from Common Ground Marine
- 20+ years building marine wiring harnesses, panels, and shore-power systems.
- Engineers — not a phone tree — review every custom build before parts are cut.
- OEM-grade components: tinned copper, sealed connectors, marine-rated jackets.