-22% sale
BRP Qualifies for Free Shipping BRP Instrument Harness 20' Evinrude/Johnson #0174969 BRP Qualifies for Free Shipping BRP Instrument Harness 20' Evinrude/Johnson #0174969
00
DAYS 00
HRS 00
MIN 00
SEC
BRP BRP Instrument Harness 20' Evinrude/Johnson #0174969 $232.37 $295.12
BRP 0174969 Wiring Harness Instrument Harness 20' Evinrude/Johnson Normalized SKU: 0174969
Sold out
Mercury Marine Qualifies for Free Shipping Mercury Main Engine Harness Digital Throttle and Shift #8M0050325
Mercury Marine Mercury Main Engine Harness Digital Throttle and Shift #8M0050325 $2,069.49
Mercury Marine 8M0050325 Wiring Harness Wiring Harness Digital Throttle and Shift Normalized SKU: 8M0050325
Mercury Marine Qualifies for Free Shipping Mercury Engine Harness Mechanical Throttle and Shift #865457T05
Mercury Marine Mercury Engine Harness Mechanical Throttle and Shift #865457T05 $1,422.99
Mercury Marine 865457T05 Wiring Harness Engine Harness Mechanical Throttle and Shift Normalized SKU: 865457T05UPC Code: 745061675759
Sold out
Mercury Marine Qualifies for Free Shipping Mercury Engine Harness Assembly #865456A01
Mercury Marine Mercury Engine Harness Assembly #865456A01 $1,371.49
Mercury Marine 865456A01 Wiring Harness Engine Harness Assembly Mercruiser Alpha/Bravo Normalized SKU: 865456A01
Sold out
Mercury Marine Mercury Harness #84-812475A3 $183.16
Mercury Marine 84-812475A3 Wiring HarnessMercury Harness #84-812475A3Normalized SKU: 84812475A3UPC Code: 745061305854
Sold out -20% sale
Marine Power Qualifies for Free Shipping Marine Power Female 10-Pin Unterminated Harness #473013 Marine Power Qualifies for Free Shipping Marine Power Female 10-Pin Unterminated Harness #473013
00
DAYS 00
HRS 00
MIN 00
SEC
Marine Power Marine Power Female 10-Pin Unterminated Harness #473013 $107.56 $133.52
Marine Power 473013 Wiring Harness Female 10 Pin Unterminated Harness. Normalized SKU: 473013
Mercury Marine Qualifies for Free Shipping Mercury PCV Check Valve #21-8M2017060
Mercury Marine Mercury PCV Check Valve #21-8M2017060 $9.49
Mercury Marine 21-8M2017060 Wiring HarnessPart Name: VALVE-PCVPart Class: 0021Status: ACTPack QTY: 1Pack Weight: .031 LBSMetric Unit Weight: .014 KGUnit Lenght: 2.25 INUnit Width: 1.5 INUnit Height: 1 INMetric Unit Length: 5.714 CMMetric Unit Width: 3.81 CMMetric Unit Height: 2.54 CMCountry of Origin: MXHazardous Code: 0This product replaces:745061449954, 21-8M2017060Normalized SKU: 218M2017060UPC Code: 745061449954
-17% sale
00
DAYS 00
HRS 00
MIN 00
SEC
Volvo Penta Volvo Penta Trim Pump Cable/Harness #3883374 $61.64 $73.96
Volvo Penta 3883374 Wiring Harness Trim Pump Cable/Harness Normalized SKU: 3883374
-20% sale
Sierra Qualifies for Free Shipping Sierra Mercury Harness 3-Cylinder #18-99448
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Mercury Harness 3-Cylinder #18-99448 $134.14 $166.52
Sierra 18-99448 Wiring Harness Mercury Harness 3-Cylinder   1997-2006 (30 JET,40 JET,50 JET & 60HP) Interchange: CDI    414-0220Mercury Marine    84-850220A2 Normalized SKU: 1899448UPC Code: 808282396329
-22% sale
Sierra Qualifies for Free Shipping Sierra Mercury Harness #18-99444
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Mercury Harness #18-99444 $275.21 $349.53
Sierra 18-99444 Wiring Harness Mercury Harness 1979-1980 90, 115, & 140 HP Harness Exits Through the Side of the Lower Cowling Interchange:  CDI:    414-5532Mercury Marine:    34229Mercury Marine:    47929Mercury Marine:    57022Mercury Marine:    84-85532Mercury Marine:    84-85532A1 Normalized SKU: 1899444UPC Code: 808282396282
-22% sale
Sierra Qualifies for Free Shipping Sierra Wiring Harness Johnson/Evinrude BRP 391818 #18-99431
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Wiring Harness Johnson/Evinrude BRP 391818 #18-99431 $219.56 $278.85
Sierra 18-99431 Wiring Harness Wiring Harness Johnson/Evinrude 1982-1984 (20,25,30 & 35HP) Cross Flow Engines, Round Plug BRP 391818 Interchange:  CDI:    413-1818Johnson/Evinrude Outboard:    391818 Normalized SKU: 1899431UPC Code: 808282394622
-22% sale
Sierra Qualifies for Free Shipping Sierra Johnson/Evinrude OMC Wiring Harness Round Plug #18-99427
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Johnson/Evinrude OMC Wiring Harness Round Plug #18-99427 $195.65 $248.49
Sierra 18-99427 Wiring Harness OMC Wiring Harness Round Plug Johnson/Evinrude 1979-1984 (40, 50, 66 & 60 HP) Cross Flow Engines, Round Plug Interchange:  CDI:    413-9915Johnson/Evinrude Outboard:    582061Johnson/Evinrude Outboard:    583005Normalized SKU: 1899427UPC Code: 808282394530
-22% sale
Sierra Qualifies for Free Shipping Sierra OMC Wiring Harness Round Plug #18-99422
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra OMC Wiring Harness Round Plug #18-99422 $208.23 $264.46
Sierra 18-99422 Wiring Harness OMC Wiring Harness Round Plug 1977-1981 (20,25 & 35HP) Round Plug Interchange: CDI:   413-9914Johnson/Evinrude Outboard:    387872Johnson/Evinrude Outboard:    389269Johnson/Evinrude Outboard:    389764 Normalized SKU: 1899422UPC Code: 808282394530
-22% sale
Sierra Qualifies for Free Shipping Sierra Mercury Wiring Harness #18-99420
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Mercury Wiring Harness #18-99420 $263.37 $334.50
Sierra 18-99420 Wiring Harness Sierra Mercury Wiring Harness  1977-1981 (20HP - 2 Cyl.) 1976-1979 (50,80 & 85HP - 4 Cyl.) Harness Exits Through the Side of the Lower Cowling Interchange:  CDI    414-3369Mercury Marine    84-64997Mercury Marine    84-73369Mercury Marine    84-73369A1Mercury Marine    84-73447Mercury Marine    84-73447A1Mercury Marine    84-76295Mercury Marine    84-76295A1 Normalized SKU: 1899420UPC Code: 808282394516
-20% sale
Sierra Qualifies for Free Shipping Sierra Mercury Universal Boat Side Wiring Harness #18-99400
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Mercury Universal Boat Side Wiring Harness #18-99400 $351.13 $438.26
Sierra 18-99400 Wiring Harness Sierra Mercury Universal Boat Side Wiring Harness 1968-1981 Engines Using 414-2770, 414-3369, 414-5532 & OEM Harnesses Harness Exits Through the Side of the Lower Cowling Interchange: CDI    474-9550 Normalized SKU: 1899400UPC Code: 808282394332
-22% sale
Sierra Qualifies for Free Shipping Sierra OMC Shift Switch Assembly & Connector #18-99510
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra OMC Shift Switch Assembly & Connector #18-99510 $235.20 $298.72
Sierra 18-99510 Wiring Harness OMC ESA Interrupter Switch and Harness Replaces CDI 933-4051 Replaces OMC 984051 Normalized SKU: 1899510UPC Code: 808282394998
-22% sale
Sierra Qualifies for Free Shipping Sierra OMC Engine Adapter Harness Johnson/Evinrude #18-99401
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra OMC Engine Adapter Harness Johnson/Evinrude #18-99401 $185.06 $235.04
Sierra 18-99401 Wiring Harness OMC Adapter Harness Replaces CDI 423-6344 Normalized SKU: 1899401UPC Code: 808282394820
-22% sale
Sierra Qualifies for Free Shipping Sierra Mercury Engine Wiring Harness #18-99392
00
DAYS 00
HRS 00
MIN 00
SEC
Sierra Sierra Mercury Engine Wiring Harness #18-99392 $262.66 $333.59
Sierra 18-99392 Wiring Harness Mercury Outboard Harness Harness exits through the side of the cowling Replaces Mercury 37628, 38072, 38920, 39177, 45070, 46285, 46905, 48150, 49370, 52769, 52770, 52771, 52820, 56370, 59741, 84-46463, 84-62534, 84-66055, 84-66055A1, 84-66297, 84-66297A1, 84-69236, 84-69236A1, 84-71443, 84-71443A1, 84-73826, 84-73826A1, 84-74904, 84-74904A1, 52771A1, 52771A2 Replaces CDI 414-2770 Normalized SKU: 1899392UPC Code: 808282394257
-17% sale
Recmar Qualifies for Free Shipping Recmar 3-2 Wire Wired Converter #REC84-819514T26
00
DAYS 00
HRS 00
MIN 00
SEC
Recmar Recmar 3-2 Wire Wired Converter #REC84-819514T26 $43.16 $51.79
Recmar REC84-819514T26 Wiring Harness 3-2 Wire Wired Converter Normalized SKU: REC84819514T26
-20% sale
MSD Qualifies for Free Shipping MSD MSD 6 to Factory GM Dual Connector Ignition Coil Harness #8876 MSD Qualifies for Free Shipping MSD MSD 6 to Factory GM Dual Connector Ignition Coil Harness #8876
00
DAYS 00
HRS 00
MIN 00
SEC
MSD MSD MSD 6 to Factory GM Dual Connector Ignition Coil Harness #8876 $102.94 $127.78
MSD 8876 Wiring Harness The harnesses plug directly into your factory coil and harness, then four color-coded wires plug into the corresponding wires of the MSD. Normalized SKU: 8876UPC Code: 085132088768

Frequently Asked Questions

First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!

Yes, we offer FREE Shipping on most orders over $149 to US-48*.

Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.

  • Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
  • Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
  • Hazardous Item - Not Qualified for Free Shipping: This item is hazardous and does not qualify for free shipping
  • Truck Freight - Not Qualified for Free Shipping: This item has to be shipped via truck freight. Please contact us for a quote
  • In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store

Below the price of the item, on the product page, there is a message indicating the availability of the product.

The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.

We offer a hassle-free return policy. If you're not completely satisfied with your purchase, you can return it within 30 days for a full refund or exchange.

If you need to return an item, please follow the guidelines here so we can process a prompt refund and assist you in finding the correct item.

Free Shipping

On most orders $149+ to the continental 48 US states.

Secure Shopping

Fast, secure checkout with a variety of payment methods.

Shop with confidence

25+ years serving the marine industry.

Support center

Need help? Contact us via live chat, phone, or email.

© 2026 First Choice Marine.