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.
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On Sale
Mercury Alternator for 135-150HP EFI FourStroke Outboards 8M0065239
Mercury
MSRP: $388.49Now: $329.99Was: $388.49Mercury 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: $388.49Now: $329.99Was: $388.49 -
On Sale
Mercury HOUSING-EXTENSION OEM 8M0135800
Mercury
MSRP: $387.49Now: $341.46Was: $387.49Genuine 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: $387.49Now: $341.46Was: $387.49 -
On Sale
Mercury Fuel Pressure Regulator Kit for 150-225 HP EFI Outboards 8140122
Mercury
MSRP: $378.99Now: $322.14Was: $378.99Mercury 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: $378.99Now: $322.14Was: $378.99 -
On Sale
Mercury Avator Electronic Remote Control - No Trim 8M0189638
Mercury
MSRP: $369.20Now: $327.60Was: $369.20Mercury 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: $369.20Now: $327.60Was: $369.20 -
On Sale
Mercury HARN-TILL/PC 4M OEM 8M0210367
Mercury
MSRP: $344.39Now: $325.45Was: $344.39Genuine 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: $344.39Now: $325.45Was: $344.39 -
On Sale
Mercury Harness Assembly, 29 Ft. (Key/Choke/Horn) 896537T29
Mercury
MSRP: $327.38Now: $278.27Was: $327.38Mercury 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: $327.38Now: $278.27Was: $327.38 -
Mercury CABLE-STEER-21 FT OEM 835457A21
Mercury
$310.05Genuine 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 -
On Sale
Mercury CABLE-STEER-19 FT OEM 835457A19
Mercury
MSRP: $302.61Now: $257.22Was: $302.61Genuine 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: $302.61Now: $257.22Was: $302.61 -
On Sale
Mercury SENSOR OIL LEVEL 8M0142265
Mercury
MSRP: $295.99Now: $251.59Was: $295.99Genuine 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: $295.99Now: $251.59Was: $295.99 -
On Sale
Mercury STARTER MOTOR OEM 8M0188785
Mercury
MSRP: $275.65Now: $243.05Was: $275.65Genuine 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: $275.65Now: $243.05Was: $275.65 -
On Sale
Mercury Helm Steering System 270 850699
Mercury
MSRP: $275.39Now: $234.08Was: $275.39Mercury 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: $275.39Now: $234.08Was: $275.39 -
On Sale
Mercury HARN-RC/PC 4M OEM 8M0210398
Mercury
MSRP: $271.23Now: $256.31Was: $271.23Genuine 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: $271.23Now: $256.31Was: $271.23 -
On Sale
Mercury HARN-BATT/PC 1.5M OEM 8M0210357
Mercury
MSRP: $232.57Now: $219.78Was: $232.57Genuine 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: $232.57Now: $219.78Was: $232.57 -
On Sale
Mercury STEERING KIT 10FT OEM 8M0227095
Mercury
MSRP: $220.89Now: $187.76Was: $220.89Genuine 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: $220.89Now: $187.76Was: $220.89 -
On Sale
Mercury HARN-BATT/PC 1M OEM 8M0210356
Mercury
MSRP: $210.76Now: $199.17Was: $210.76Genuine 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: $210.76Now: $199.17Was: $210.76 -
On Sale
Mercury CABLE-SHIFT-18 FT OEM 858342A18
Mercury
MSRP: $210.19Now: $178.66Was: $210.19Genuine 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: $210.19Now: $178.66Was: $210.19 -
On Sale
Mercury CABLE-SHIFT-16 FT OEM 858342A16
Mercury
MSRP: $205.41Now: $174.60Was: $205.41Genuine 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: $205.41Now: $174.60Was: $205.41 -
On Sale
Mercury CABLE-SHIFT-12 FT OEM 858342A12
Mercury
MSRP: $194.54Now: $165.36Was: $194.54Genuine 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: $194.54Now: $165.36Was: $194.54 -
On Sale
Mercury 14-Pin Data Harness Assembly, 10 Ft. 892451T10
Mercury
MSRP: $184.68Now: $156.98Was: $184.68Mercury 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: $184.68Now: $156.98Was: $184.68 -
On Sale
Mercury HARN-RC/PC 1.5M OEM 8M0210394
Mercury
MSRP: $162.64Now: $153.69Was: $162.64Genuine 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: $162.64Now: $153.69Was: $162.64
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