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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
  • On Sale
    Mercury Alternator for 135-150HP EFI FourStroke Outboards 8M0065239 Mercury Alternator for 135-150HP EFI FourStroke Outboards 8M0065239

    Mercury Alternator for 135-150HP EFI FourStroke Outboards 8M0065239

    Mercury

    MSRP: $388.49
    Now: $329.99
    Was: $388.49
    Mercury Alternator 8M0065239 is a genuine Mercury OEM replacement alternator designed for compatible Mercury 135-150HP EFI FourStroke outboards. It provides reliable charging power to keep your...
    8M0065239
    SKU:
    8M0065239
    Availability:
    Usually Ships within 24hours
    Weight:
    138.72 Ounces
    MSRP: $388.49
    Now: $329.99
    Was: $388.49
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $388.49
    Now: $329.99
    Was: $388.49
    Subtotal:
  • On Sale
    MERCURY OEM HOUSING-EXTENSION, 8M0135800

    Mercury HOUSING-EXTENSION OEM 8M0135800

    Mercury

    MSRP: $387.49
    Now: $341.46
    Was: $387.49
    Genuine Mercury HOUSING-EXTENSION, part number 8M0135800. Designed for use with compatible applications.
    8M0135800
    SKU:
    8M0135800
    Availability:
    Usually Ships within 24hours
    Weight:
    47.60 Ounces
    MSRP: $387.49
    Now: $341.46
    Was: $387.49
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $387.49
    Now: $341.46
    Was: $387.49
    Subtotal:
  • On Sale
    Mercury Fuel Pressure Regulator Kit for 150-225 HP EFI Outboards 8140122

    Mercury Fuel Pressure Regulator Kit for 150-225 HP EFI Outboards 8140122

    Mercury

    MSRP: $378.99
    Now: $322.14
    Was: $378.99
    Mercury Fuel Pressure Regulator Kit 8140122 is a genuine Mercury replacement regulator used in the fuel management and vapor separator system of compatible EFI outboards. It helps regulate fuel...
    8140122
    SKU:
    8140122
    Availability:
    Usually Ships within 24hours
    Weight:
    2.00 Ounces
    MSRP: $378.99
    Now: $322.14
    Was: $378.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $378.99
    Now: $322.14
    Was: $378.99
    Subtotal:
  • On Sale
    Mercury Avator Electronic Remote Control  (ERC)- No Trim 8M0189638

    Mercury Avator Electronic Remote Control - No Trim 8M0189638

    Mercury

    MSRP: $369.20
    Now: $327.60
    Was: $369.20
    Mercury Avator Electronic Remote Control 8M0189638 is a genuine Mercury OEM remote throttle and shift control designed for compatible Mercury Avator electric outboard systems. This electronic remote...
    8M0189638
    SKU:
    8M0189638
    Availability:
    Usually Ships within 24hours
    Weight:
    95.04 Ounces
    MSRP: $369.20
    Now: $327.60
    Was: $369.20
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $369.20
    Now: $327.60
    Was: $369.20
    Subtotal:
  • On Sale
    MERCURY OEM HARN-TILL/PC 4M, 8M0210367

    Mercury HARN-TILL/PC 4M OEM 8M0210367

    Mercury

    MSRP: $344.39
    Now: $325.45
    Was: $344.39
    Genuine Mercury HARN-TILL/PC 4M, part number 8M0210367. Designed for use with compatible applications.
    8M0210367
    SKU:
    8M0210367
    Availability:
    Usually Ships within 24hours
    Weight:
    178.40 Ounces
    MSRP: $344.39
    Now: $325.45
    Was: $344.39
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $344.39
    Now: $325.45
    Was: $344.39
    Subtotal:
  • On Sale
    Mercury Harness Assembly, 29 Ft. (Key/Choke/Horn) 896537T29

    Mercury Harness Assembly, 29 Ft. (Key/Choke/Horn) 896537T29

    Mercury

    MSRP: $327.38
    Now: $278.27
    Was: $327.38
    Mercury Harness Assembly, 29 Ft. (Key/Choke/Horn) 896537T29 is a genuine Mercury OEM electrical harness designed to connect the ignition switch, choke, and warning horn to compatible Mercury outboard...
    896537T29
    SKU:
    896537T29
    Availability:
    Usually Ships within 24hours
    Weight:
    130.72 Ounces
    MSRP: $327.38
    Now: $278.27
    Was: $327.38
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $327.38
    Now: $278.27
    Was: $327.38
    Subtotal:
  • MERCURY OEM CABLE-STEER-21 FT, 835457A21

    Mercury CABLE-STEER-21 FT OEM 835457A21

    Mercury

    $310.05
    Genuine Mercury CABLE-STEER-21 FT, part number 835457A21. Designed for use with compatible applications.
    835457A21
    SKU:
    835457A21
    Availability:
    Usually Ships within 24hours
    Weight:
    123.46 Ounces
    $310.05
    Qty in Cart: 0
    Quantity:
    Price:
    $310.05
    Subtotal:
  • On Sale
    MERCURY OEM CABLE-STEER-19 FT, 835457A19

    Mercury CABLE-STEER-19 FT OEM 835457A19

    Mercury

    MSRP: $302.61
    Now: $257.22
    Was: $302.61
    Genuine Mercury CABLE-STEER-19 FT, part number 835457A19. Designed for use with compatible applications.
    835457A19
    SKU:
    835457A19
    Availability:
    Usually Ships within 24hours
    Weight:
    119.01 Ounces
    MSRP: $302.61
    Now: $257.22
    Was: $302.61
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $302.61
    Now: $257.22
    Was: $302.61
    Subtotal:
  • On Sale
    MERCURY OEM SENSOR OIL LEVEL, 8M0142265

    Mercury SENSOR OIL LEVEL 8M0142265

    Mercury

    MSRP: $295.99
    Now: $251.59
    Was: $295.99
    Genuine Mercury SENSOR OIL LEVEL, part number 8M0142265. Designed for use with compatible applications.
    8M0142265
    SKU:
    8M0142265
    Availability:
    Usually Ships within 24hours
    Weight:
    13.50 Ounces
    MSRP: $295.99
    Now: $251.59
    Was: $295.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $295.99
    Now: $251.59
    Was: $295.99
    Subtotal:
  • On Sale
    MERCURY OEM STARTER MOTOR, 8M0188785

    Mercury STARTER MOTOR OEM 8M0188785

    Mercury

    MSRP: $275.65
    Now: $243.05
    Was: $275.65
    Genuine Mercury STARTER MOTOR, part number 8M0188785. Designed for use with compatible applications.
    8M0188785
    SKU:
    8M0188785
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $275.65
    Now: $243.05
    Was: $275.65
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $275.65
    Now: $243.05
    Was: $275.65
    Subtotal:
  • On Sale
    Mercury Helm Steering System 270 850699

    Mercury Helm Steering System 270 850699

    Mercury

    MSRP: $275.39
    Now: $234.08
    Was: $275.39
    Mercury Helm Steering System 270 850699 is a genuine Mercury OEM steering component designed for compatible Mercury marine steering applications. This helm assembly provides reliable steering control...
    850699
    SKU:
    850699
    Availability:
    Usually Ships within 24hours
    Weight:
    105.12 Ounces
    MSRP: $275.39
    Now: $234.08
    Was: $275.39
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $275.39
    Now: $234.08
    Was: $275.39
    Subtotal:
  • On Sale
    MERCURY OEM HARN-RC/PC 4M, 8M0210398

    Mercury HARN-RC/PC 4M OEM 8M0210398

    Mercury

    MSRP: $271.23
    Now: $256.31
    Was: $271.23
    Genuine Mercury HARN-RC/PC 4M, part number 8M0210398. Designed for use with compatible applications.
    8M0210398
    SKU:
    8M0210398
    Availability:
    Usually Ships within 24hours
    Weight:
    170.24 Ounces
    MSRP: $271.23
    Now: $256.31
    Was: $271.23
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $271.23
    Now: $256.31
    Was: $271.23
    Subtotal:
  • On Sale
    MERCURY OEM HARN-BATT/PC 1.5M, 8M0210357

    Mercury HARN-BATT/PC 1.5M OEM 8M0210357

    Mercury

    MSRP: $232.57
    Now: $219.78
    Was: $232.57
    Genuine Mercury HARN-BATT/PC 1.5M, part number 8M0210357. Designed for use with compatible applications.
    8M0210357
    SKU:
    8M0210357
    Availability:
    Usually Ships within 24hours
    Weight:
    96.00 Ounces
    MSRP: $232.57
    Now: $219.78
    Was: $232.57
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $232.57
    Now: $219.78
    Was: $232.57
    Subtotal:
  • On Sale
    MERCURY OEM STEERING KIT 10FT, 8M0227095

    Mercury STEERING KIT 10FT OEM 8M0227095

    Mercury

    MSRP: $220.89
    Now: $187.76
    Was: $220.89
    Genuine Mercury STEERING KIT 10FT, part number 8M0227095. Designed for use with compatible applications.
    8M0227095
    SKU:
    8M0227095
    Availability:
    Usually Ships within 24hours
    Weight:
    256.00 Ounces
    MSRP: $220.89
    Now: $187.76
    Was: $220.89
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $220.89
    Now: $187.76
    Was: $220.89
    Subtotal:
  • On Sale
    MERCURY OEM HARN-BATT/PC 1M, 8M0210356

    Mercury HARN-BATT/PC 1M OEM 8M0210356

    Mercury

    MSRP: $210.76
    Now: $199.17
    Was: $210.76
    Genuine Mercury HARN-BATT/PC 1M, part number 8M0210356. Designed for use with compatible applications.
    8M0210356
    SKU:
    8M0210356
    Availability:
    Usually Ships within 24hours
    Weight:
    80.00 Ounces
    MSRP: $210.76
    Now: $199.17
    Was: $210.76
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $210.76
    Now: $199.17
    Was: $210.76
    Subtotal:
  • On Sale
    MERCURY OEM CABLE-SHIFT-18 FT, 858342A18

    Mercury CABLE-SHIFT-18 FT OEM 858342A18

    Mercury

    MSRP: $210.19
    Now: $178.66
    Was: $210.19
    Genuine Mercury CABLE-SHIFT-18 FT, part number 858342A18. Designed for use with compatible applications.
    858342A18
    SKU:
    858342A18
    Availability:
    Usually Ships within 24hours
    Weight:
    63.68 Ounces
    MSRP: $210.19
    Now: $178.66
    Was: $210.19
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $210.19
    Now: $178.66
    Was: $210.19
    Subtotal:
  • On Sale
    MERCURY OEM CABLE-SHIFT-16 FT, 858342A16

    Mercury CABLE-SHIFT-16 FT OEM 858342A16

    Mercury

    MSRP: $205.41
    Now: $174.60
    Was: $205.41
    Genuine Mercury CABLE-SHIFT-16 FT, part number 858342A16. Designed for use with compatible applications.
    858342A16
    SKU:
    858342A16
    Availability:
    Usually Ships within 24hours
    Weight:
    65.60 Ounces
    MSRP: $205.41
    Now: $174.60
    Was: $205.41
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $205.41
    Now: $174.60
    Was: $205.41
    Subtotal:
  • On Sale
    MERCURY OEM CABLE-SHIFT-12 FT, 858342A12

    Mercury CABLE-SHIFT-12 FT OEM 858342A12

    Mercury

    MSRP: $194.54
    Now: $165.36
    Was: $194.54
    Genuine Mercury CABLE-SHIFT-12 FT, part number 858342A12. Designed for use with compatible applications.
    858342A12
    SKU:
    858342A12
    Availability:
    Usually Ships within 24hours
    Weight:
    52.80 Ounces
    MSRP: $194.54
    Now: $165.36
    Was: $194.54
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $194.54
    Now: $165.36
    Was: $194.54
    Subtotal:
  • On Sale
    Mercury 14-Pin Data Harness Assembly, 10 Ft. 892451T10

    Mercury 14-Pin Data Harness Assembly, 10 Ft. 892451T10

    Mercury

    MSRP: $184.68
    Now: $156.98
    Was: $184.68
    Mercury 14-Pin Data Harness Assembly 892451T10 is a genuine Mercury OEM wiring harness designed for compatible Mercury marine engine and control systems. This 10-foot harness provides the electrical...
    892451T10
    SKU:
    892451T10
    Availability:
    Usually Ships within 24hours
    Weight:
    44.80 Ounces
    MSRP: $184.68
    Now: $156.98
    Was: $184.68
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $184.68
    Now: $156.98
    Was: $184.68
    Subtotal:
  • On Sale
    MERCURY OEM HARN-RC/PC 1.5M, 8M0210394

    Mercury HARN-RC/PC 1.5M OEM 8M0210394

    Mercury

    MSRP: $162.64
    Now: $153.69
    Was: $162.64
    Genuine Mercury HARN-RC/PC 1.5M, part number 8M0210394. Designed for use with compatible applications.
    8M0210394
    SKU:
    8M0210394
    Availability:
    Usually Ships within 24hours
    Weight:
    90.88 Ounces
    MSRP: $162.64
    Now: $153.69
    Was: $162.64
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $162.64
    Now: $153.69
    Was: $162.64
    Subtotal:
  • Total: items /

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