Aetna 8905R-P-H-DS LCD Red-Backlit Digital Tachometer
SKU AET-8905R-P-H-DS
- 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
- Polished stainless steel
- Voltage
- 12/24/32V
Stocked items typically ship the next business day from our US warehouse. 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, polished stainless steel bezel (P) With LCD hour meter, for use on diesel engine.
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
- Polished stainless steel
- Voltage
- 12/24/32V
- Backlight
- Red
- Gauge Size
- 3-1/8 in
- Hour Meter
- Included
- Engine Type
- Diesel
- Display Color
- Red backlight
Shipping & returns
- Stocked items typically ship the next business day from our US warehouse.
- 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.