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Engine Gauges & Controls

Engine Gauges & Controls

Engine Gauges & Controls

Engine gauges and controls are essential for monitoring performance, safety, and operation across modern marine propulsion systems. This category includes OEM and compatible engine gauges, throttle and shift controls, control boxes, wiring harnesses, and helm components designed for precise, reliable engine management.

These components support a wide range of outboard, sterndrive, and inboard marine engine systems from leading manufacturers. Whether replacing worn components or upgrading your helm, these marine-grade gauges and controls are built for accuracy, durability, and seamless integration in demanding on-water environments.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • MERCURY OEM HARNESS MOTOR L, 8M0204393

    Mercury HARNESS MOTOR L OEM 8M0204393

    Mercury

    MSRP: $120.49
    $102.42
    Genuine Mercury HARNESS MOTOR L, part number 8M0204393. Designed for use with compatible applications.
    8M0204393
    SKU:
    8M0204393
    Availability:
    Usually Ships within 24hours
    Weight:
    9.28 Ounces
    MSRP: $120.49
    $102.42
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $120.49
    $102.42
    Subtotal:
  • MERCURY OEM HARNESS, 8M0128555

    Mercury HARNESS OEM 8M0128555

    Mercury

    MSRP: $120.21
    $102.18
    Genuine Mercury HARNESS, part number 8M0128555. Designed for use with compatible applications.
    8M0128555
    SKU:
    8M0128555
    Availability:
    Usually Ships within 24hours
    Weight:
    11.01 Ounces
    MSRP: $120.21
    $102.18
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $120.21
    $102.18
    Subtotal:
  • MERCURY OEM HARNESS-LINK 10FT, 8M0071598

    Mercury HARNESS-LINK 10FT OEM 8M0071598

    Mercury

    MSRP: $120.21
    $102.18
    Genuine Mercury HARNESS-LINK 10FT, part number 8M0071598. Designed for use with compatible applications.
    8M0071598
    SKU:
    8M0071598
    Availability:
    Usually Ships within 24hours
    Weight:
    8.75 Ounces
    MSRP: $120.21
    $102.18
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $120.21
    $102.18
    Subtotal:
  • MERCURY OEM HARNESS-ECM 555, 884358T03

    Mercury HARNESS-ECM 555 OEM 884358T03

    Mercury

    MSRP: $120.21
    $102.18
    Genuine Mercury HARNESS-ECM 555, part number 884358T03. Designed for use with compatible applications.
    884358T03
    SKU:
    884358T03
    Availability:
    Usually Ships within 24hours
    Weight:
    8.00 Ounces
    MSRP: $120.21
    $102.18
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $120.21
    $102.18
    Subtotal:
  • MERCURY OEM HARNESS KIT, 8M0110003

    Mercury HARNESS KIT OEM 8M0110003

    Mercury

    MSRP: $119.99
    $101.99
    Genuine Mercury HARNESS KIT, part number 8M0110003. Designed for use with compatible applications.
    8M0110003
    SKU:
    8M0110003
    Availability:
    Usually Ships within 24hours
    Weight:
    40.00 Ounces
    MSRP: $119.99
    $101.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $119.99
    $101.99
    Subtotal:
  • MERCURY OEM HARNESS ASSY, 859314A1

    Mercury HARNESS ASSY OEM 859314A1

    Mercury

    MSRP: $119.99
    $101.99
    Genuine Mercury HARNESS ASSY, part number 859314A1. Designed for use with compatible applications.
    859314A1
    SKU:
    859314A1
    Availability:
    Usually Ships within 24hours
    Weight:
    7.50 Ounces
    MSRP: $119.99
    $101.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $119.99
    $101.99
    Subtotal:
  • MERCURY OEM HARNESS ASSY, 828298A1

    Mercury HARNESS ASSY OEM 828298A1

    Mercury

    MSRP: $119.99
    $101.99
    Genuine Mercury HARNESS ASSY, part number 828298A1. Designed for use with compatible applications.
    828298A1
    SKU:
    828298A1
    Availability:
    Usually Ships within 24hours
    Weight:
    2.50 Ounces
    MSRP: $119.99
    $101.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $119.99
    $101.99
    Subtotal:
  • MERCURY OEM SHIFT LEVER SHAFT, 898103T17

    Mercury SHIFT LEVER SHAFT OEM 898103T17

    Mercury

    MSRP: $119.49
    $101.57
    Genuine Mercury SHIFT LEVER SHAFT, part number 898103T17. Designed for use with compatible applications.
    898103T17
    SKU:
    898103T17
    Availability:
    Usually Ships within 24hours
    Weight:
    2.00 Ounces
    MSRP: $119.49
    $101.57
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $119.49
    $101.57
    Subtotal:
  • MERCURY OEM HARNESS @12, 879982B20

    Mercury HARNESS @12 OEM 879982B20

    Mercury

    MSRP: $119.36
    $101.46
    Genuine Mercury HARNESS @12, part number 879982B20. Designed for use with compatible applications.
    879982B20
    SKU:
    879982B20
    Availability:
    Usually Ships within 24hours
    Weight:
    24.58 Ounces
    MSRP: $119.36
    $101.46
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $119.36
    $101.46
    Subtotal:
  • MERCURY OEM HARNESS ASSY-25FT, 879981T25

    Mercury HARNESS ASSY-25FT OEM 879981T25

    Mercury

    MSRP: $119.36
    $101.46
    Genuine Mercury HARNESS ASSY-25FT, part number 879981T25. Designed for use with compatible applications.
    879981T25
    SKU:
    879981T25
    Availability:
    Usually Ships within 24hours
    Weight:
    26.26 Ounces
    MSRP: $119.36
    $101.46
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $119.36
    $101.46
    Subtotal:
  • MERCURY OEM HARNESS-TRANSOM, 8M0104921

    Mercury HARNESS-TRANSOM OEM 8M0104921

    Mercury

    MSRP: $118.99
    $101.14
    Genuine Mercury HARNESS-TRANSOM, part number 8M0104921. Designed for use with compatible applications.
    8M0104921
    SKU:
    8M0104921
    Availability:
    Usually Ships within 24hours
    Weight:
    16.75 Ounces
    MSRP: $118.99
    $101.14
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $118.99
    $101.14
    Subtotal:
  • MERCURY OEM HARNESS ASSY, 79147A09

    Mercury HARNESS ASSY OEM 79147A09

    Mercury

    MSRP: $118.99
    $101.14
    Genuine Mercury HARNESS ASSY, part number 79147A09. Designed for use with compatible applications.
    79147A09
    SKU:
    79147A09
    Availability:
    Usually Ships within 24hours
    Weight:
    2.00 Ounces
    MSRP: $118.99
    $101.14
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $118.99
    $101.14
    Subtotal:
  • MERCURY OEM HARNESS EXTENSION, 879171T10

    Mercury HARNESS EXTENSION OEM 879171T10

    Mercury

    MSRP: $118.78
    $100.96
    Genuine Mercury HARNESS EXTENSION, part number 879171T10. Designed for use with compatible applications.
    879171T10
    SKU:
    879171T10
    Availability:
    Usually Ships within 24hours
    Weight:
    24.50 Ounces
    MSRP: $118.78
    $100.96
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $118.78
    $100.96
    Subtotal:
  • MERCURY OEM HARNES-LINK 20 FT, 8M0077125

    Mercury HARNES-LINK 20 FT OEM 8M0077125

    Mercury

    MSRP: $118.55
    $100.77
    Genuine Mercury HARNES-LINK 20 FT, part number 8M0077125. Designed for use with compatible applications.
    8M0077125
    SKU:
    8M0077125
    Availability:
    Usually Ships within 24hours
    Weight:
    34.90 Ounces
    MSRP: $118.55
    $100.77
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $118.55
    $100.77
    Subtotal:
  • MERCURY OEM HARNESS MOTOR SHT, 8M0204394

    Mercury HARNESS MOTOR SHT OEM 8M0204394

    Mercury

    MSRP: $118.49
    $100.72
    Genuine Mercury HARNESS MOTOR SHT, part number 8M0204394. Designed for use with compatible applications.
    8M0204394
    SKU:
    8M0204394
    Availability:
    Usually Ships within 24hours
    Weight:
    8.72 Ounces
    MSRP: $118.49
    $100.72
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $118.49
    $100.72
    Subtotal:
  • MERCURY OEM HOUSING ASSY, 803716T05

    Mercury HOUSING ASSY OEM 803716T05

    Mercury

    MSRP: $118.49
    $100.72
    Genuine Mercury HOUSING ASSY, part number 803716T05. Designed for use with compatible applications.
    803716T05
    SKU:
    803716T05
    Availability:
    Usually Ships within 24hours
    Weight:
    25.60 Ounces
    MSRP: $118.49
    $100.72
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $118.49
    $100.72
    Subtotal:
  • MERCURY OEM COIL-IGNITION, 858942T1

    Mercury COIL-IGNITION 858942T1

    Mercury

    MSRP: $118.49
    $100.72
    Genuine Mercury COIL-IGNITION, part number 858942T1. Designed for use with compatible applications.
    858942T1
    SKU:
    858942T1
    Availability:
    Usually Ships within 24hours
    Weight:
    4.26 Ounces
    MSRP: $118.49
    $100.72
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $118.49
    $100.72
    Subtotal:
  • MERCURY OEM TEST HARN/TPI/CDM, 825207A1

    Mercury TEST HARN/TPI/CDM OEM 825207A1

    Mercury

    MSRP: $118.49
    $100.72
    Genuine Mercury TEST HARN/TPI/CDM, part number 825207A1. Designed for use with compatible applications.
    825207A1
    SKU:
    825207A1
    Availability:
    Usually Ships within 24hours
    Weight:
    6.00 Ounces
    MSRP: $118.49
    $100.72
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $118.49
    $100.72
    Subtotal:
  • MERCURY OEM STEERING HARNESS, 864219

    Mercury STEERING HARNESS OEM 864219

    Mercury

    MSRP: $118.46
    $100.69
    Genuine Mercury STEERING HARNESS, part number 864219. Designed for use with compatible applications.
    864219
    SKU:
    864219
    Availability:
    Usually Ships within 24hours
    Weight:
    9.68 Ounces
    MSRP: $118.46
    $100.69
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $118.46
    $100.69
    Subtotal:
  • MERCURY OEM HARNESS ASSY, 843203T01

    Mercury HARNESS ASSY OEM 843203T01

    Mercury

    MSRP: $118.15
    $100.43
    Genuine Mercury HARNESS ASSY, part number 843203T01. Designed for use with compatible applications.
    843203T01
    SKU:
    843203T01
    Availability:
    Usually Ships within 24hours
    Weight:
    20.70 Ounces
    MSRP: $118.15
    $100.43
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $118.15
    $100.43
    Subtotal:
  • Total: items /

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