
Simrad IS42J Instrument Links J1939 Diesel Engines to NMEA 2000 Network
SKU SIM-000-14479-001
- Display
- 4.1-inch colour display; 320 x 240, 4:3
- Dimensions (W x H x D)
- 118 x 115 x 37 mm (4.6 x 4.5 x 1.4 in)
- Weight
- 0.32 kg (0.7 lb)
- Power and supply
- 2.2 W max / 1.8 W typical; 12 V DC (10–16 V)
- Connectivity
- 1 x NMEA 2000 Micro-C port, 1 LEN; built-in J1939-to-NMEA 2000 gateway for up to two J1939 diesel engines
- Waterproof rating
- IPX7
- Display resolution
- 320 x 240, 4:3
- NMEA 2000 connectivity
- 1 x NMEA 2000 Micro-C port, 1 LEN
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
IS42J digital gauge and gateway for monitoring up to two J1939 diesel engines and linking their data to an NMEA 2000 network.
- Bright, optically bonded 4.1-inch colour display
- Monitors up to two J1939-connected engines
- Displays engine speed, load, pressures, temperatures and alerts
- Built-in J1939-to-NMEA 2000 gateway
- One cable to each engine and single DC power connection
- IPX7 waterproof rating
Manufacturer part number: 000-14479-001.
Verified product information
- Display
- 4.1-inch colour display; 320 x 240, 4:3
- Dimensions (W x H x D)
- 118 x 115 x 37 mm (4.6 x 4.5 x 1.4 in)
- Weight
- 0.32 kg (0.7 lb)
- Power and supply
- 2.2 W max / 1.8 W typical; 12 V DC (10–16 V)
- Connectivity
- 1 x NMEA 2000 Micro-C port, 1 LEN; built-in J1939-to-NMEA 2000 gateway for up to two J1939 diesel engines
- Waterproof rating
- IPX7
Product details
- Supply Voltage
- 12 V DC (10-16 V DC)
- Power Consumption
- 2.2 W maximum; 1.8 W typical
- Display Resolution
- 320 x 240, 4:3
- Operating Temperature
- -25 to +65 °C
- NMEA 2000 Connectivity
- 1 x NMEA 2000 Micro-C port, 1 LEN
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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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.
