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 FUSE - 40 AMP OEM 8M6001923
Mercury
MSRP: $0.60Now: $0.51Was: $0.60Genuine Mercury FUSE - 40 AMP, part number 8M6001923. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 4055640.8M6001923- SKU:
- 8M6001923
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.26 Ounces
MSRP: $0.60Now: $0.51Was: $0.60 -
On Sale
Mercury INSULATOR KIT 6-C OEM 8M0067386
Mercury
MSRP: $0.60Now: $0.51Was: $0.60Genuine Mercury INSULATOR KIT 6-C, part number 8M0067386. Designed for use with compatible applications.8M0067386- SKU:
- 8M0067386
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.00 Ounces
MSRP: $0.60Now: $0.51Was: $0.60 -
On Sale
Mercury KEY-VALVE OEM 8M0054537
Mercury
MSRP: $0.60Now: $0.51Was: $0.60Genuine Mercury KEY-VALVE, part number 8M0054537. Designed for use with compatible applications.8M0054537- SKU:
- 8M0054537
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.08 Ounces
MSRP: $0.60Now: $0.51Was: $0.60 -
On Sale
Mercury CABLE TIE OEM 850181
Mercury
MSRP: $0.60Now: $0.51Was: $0.60Genuine Mercury CABLE TIE, part number 850181. Designed for use with compatible applications.850181- SKU:
- 850181
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.06 Ounces
MSRP: $0.60Now: $0.51Was: $0.60 -
On Sale
Mercury INSULATOR @100 OEM 8M0171014
Mercury
MSRP: $0.50Now: $0.43Was: $0.50Genuine Mercury INSULATOR @100, part number 8M0171014. Designed for use with compatible applications.8M0171014- SKU:
- 8M0171014
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.03 Ounces
MSRP: $0.50Now: $0.43Was: $0.50 -
On Sale
Mercury INSULATOR @100 OEM 8M0171013
Mercury
MSRP: $0.50Now: $0.43Was: $0.50Genuine Mercury INSULATOR @100, part number 8M0171013. Designed for use with compatible applications.8M0171013- SKU:
- 8M0171013
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.02 Ounces
MSRP: $0.50Now: $0.43Was: $0.50 -
On Sale
Mercury COTTER KEY OEM 8M0129796
Mercury
MSRP: $0.50Now: $0.43Was: $0.50Genuine Mercury COTTER KEY, part number 8M0129796. Designed for use with compatible applications.8M0129796- SKU:
- 8M0129796
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.16 Ounces
MSRP: $0.50Now: $0.43Was: $0.50 -
On Sale
Mercury KEY VALVE RETAIN OEM 8M0035317
Mercury
MSRP: $0.50Now: $0.43Was: $0.50Genuine Mercury KEY VALVE RETAIN, part number 8M0035317. Designed for use with compatible applications.8M0035317- SKU:
- 8M0035317
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.10 Ounces
MSRP: $0.50Now: $0.43Was: $0.50 -
On Sale
Mercury INSULATOR OEM 623594
Mercury
MSRP: $0.40Now: $0.34Was: $0.40Genuine Mercury INSULATOR, part number 623594. Designed for use with compatible applications. Replaces / supersedes Mercury part numbers: 32914.623594- SKU:
- 623594
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.26 Ounces
MSRP: $0.40Now: $0.34Was: $0.40 -
On Sale
Mercury KEY VALVE OEM 8M0142364
Mercury
MSRP: $0.30Now: $0.26Was: $0.30Genuine Mercury KEY VALVE, part number 8M0142364. Designed for use with compatible applications.8M0142364- SKU:
- 8M0142364
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.16 Ounces
MSRP: $0.30Now: $0.26Was: $0.30 -
On Sale
Mercury TERMINAL @10 OEM 819519
Mercury
MSRP: $0.30Now: $0.26Was: $0.30Genuine Mercury TERMINAL @10, part number 819519. Designed for use with compatible applications.819519- SKU:
- 819519
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.05 Ounces
MSRP: $0.30Now: $0.26Was: $0.30 -
On Sale
Mercury TERMINAL-F @100 OEM 8M0171015
Mercury
MSRP: $0.20Now: $0.17Was: $0.20Genuine Mercury TERMINAL-F @100, part number 8M0171015. Designed for use with compatible applications.8M0171015- SKU:
- 8M0171015
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.03 Ounces
MSRP: $0.20Now: $0.17Was: $0.20 -
On Sale
Mercury TERMINAL-M @100 OEM 8M0171016
Mercury
MSRP: $0.20Now: $0.17Was: $0.20Genuine Mercury TERMINAL-M @100, part number 8M0171016. Designed for use with compatible applications.8M0171016- SKU:
- 8M0171016
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.03 Ounces
MSRP: $0.20Now: $0.17Was: $0.20 -
On Sale
Mercury INSULATOR OEM 8231161
Mercury
MSRP: $0.20Now: $0.17Was: $0.20Mercury 8231161 OEM InsulatorProduct overviewUsed at electrical-harness ends on the listed V8 and V10 outboards.Verified reference fitment425 HP 5.7L V10 Verado - serial range 3B576447 and up (USA)...8231161- SKU:
- 8231161
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.26 Ounces
MSRP: $0.20Now: $0.17Was: $0.20 -
On Sale
Mercury TERMINAL-RING OEM 60470
Mercury
MSRP: $0.20Now: $0.17Was: $0.20Mercury 60470 OEM Ring TerminalProduct overviewSpecific model and serial-number applications have not been verified for this listing. Contact Gregor's Marine with your engine information to confirm...60470- SKU:
- 60470
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.26 Ounces
MSRP: $0.20Now: $0.17Was: $0.20 -
On Sale
Mercury TERMINAL-PLG MALE OEM 814434
Mercury
MSRP: $0.16Now: $0.14Was: $0.16Mercury 814434 OEM Male Plug TerminalProduct overviewSpecific model and serial-number applications have not been verified for this listing. Contact Gregor's Marine with your engine information to...814434- SKU:
- 814434
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.50 Ounces
MSRP: $0.16Now: $0.14Was: $0.16 -
On Sale
Quicksilver Hydraulic Steering Fluid 1Qt 858078Q01
Quicksilver
MSRP: $30.99Now: $26.34Was: $30.99Genuine Quicksilver Hydraulic Steering Fluid 1Qt, part number 858078Q01. Hydraulic Helm Steering Fluid 858078Q01 is for use in non‑power hydraulic steering systems such as, MerCruiser compact...858078Q01- SKU:
- 858078Q01
- Availability:
- Usually Ships within 24hours
- Weight:
- 64.00 Ounces
MSRP: $30.99Now: $26.34Was: $30.99 -
On Sale
Mercury Power Trim & Steering Fluid, 1 Quart 858075K01
Mercury
MSRP: $21.99Now: $18.99Was: $21.99Mercury Power Trim & Steering Fluid 858075K01 is a marine hydraulic fluid formulated for use in compatible Mercury and Mariner power trim and tilt systems and MerCruiser power steering systems.858075K01- SKU:
- 858075K01
- Weight:
- 64.00 Ounces
MSRP: $21.99Now: $18.99Was: $21.99 -
On Sale
Mercury SAE 0W-30 Full Syn Power Steering Fluid 1 Qt 858077K01
Mercury
MSRP: $23.99Now: $20.99Was: $23.99Genuine SAE 0W-30 Full Syn Power Steering Fluid 1 Qt, part number 858077K01. Synthetic Power Steering Fluid SAE 0W-30 858077K01 is recommended for use in electric power steering systems such as...858077K01- SKU:
- 858077K01
- Weight:
- 64.00 Ounces
MSRP: $23.99Now: $20.99Was: $23.99
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