Offshore Marine Down Arrow Icon

St. Thomas, US Virgin Islands
340.776.5432

Offshore Marine is a well-stocked provider of marine and boat engine parts at prices that can’t be matched! Our inventory includes both current parts and hard-to-find discontinued parts. We carry a variety of wire harnesses and wire harness assemblies for Mercruiser, Yamaha, and Yanmar Marine boat engines. You will not find better prices on boat engine wire harnesses anywhere. If you have questions about any of our boat engine parts, email us at info@offshorevi.com. Or ORDER TODAY below and have parts shipped to you anywhere in the world, with RUSH service available.

Shipping Charges Notice: The shipping fee associated with this order is estimated based on using the flat rate option provided by the US Post Office, as this works well for the majority of our products. However, if your order contains large items or multiple items that will require multiple boxes, we will contact you with an adjusted shipping total for approval before we ship your order.

Limit Search to Manufacturer

Part Number
Description
Manufacturer
Price
Web Price
Part Number MWV-LFTHR-ES-10
Description

DELUXE LIFT HARNESS

Manufacturer Yamaha
Price $245.99
Web Price $123.00
Part Number H381-50D
Description

EXTENSION HARNESS

Manufacturer Yanmar Marine
Price $574.80
Web Price $287.40
Part Number 129574-77710
Description

EXTENSION HARNESS 4 MTR

Manufacturer Yanmar Marine
Price $206.50
Web Price $103.25
Part Number 6DE-8533A-70-99
Description

EXTENSION HARNESS, K

Manufacturer Yamaha
Price $29.99
Web Price $14.99
Part Number 129574-77850
Description

HARNESS ADAPTER 12V

Manufacturer Yanmar Marine
Price $166.99
Web Price $83.50
Part Number 84-863736T
Description

HARNESS ASSY

Manufacturer Mercruiser
Price $46.11
Web Price $23.05
Part Number 84-859743T2
Description

HARNESS ASSY

Manufacturer Mercruiser
Price $73.04
Web Price $36.52
Part Number 84-879982T20
Description

HARNESS ASSY

Manufacturer Mercruiser
Price $106.35
Web Price $53.17
Part Number 84-816626A2
Description

HARNESS ASSY

Manufacturer Mercruiser
Price $178.13
Web Price $89.06
Part Number 129470-77980
Description

HARNESS L7000

Manufacturer Yanmar Marine
Price $58.50
Web Price $29.25
Part Number H-644
Description

HARNESS, FIRE BOUY SYST 6LY3

Manufacturer Yanmar Marine
Price $34.32
Web Price $17.16
Part Number 6J4-82590-00-00
Description

HARNESS, WIRE

Manufacturer Yamaha
Price $0.10
Web Price $0.05
Part Number 129470-77920
Description

HARNESS, WIRE

Manufacturer Yanmar Marine
Price $126.99
Web Price $63.49
Part Number 129573-77932
Description

HARNESS, WIRE

Manufacturer Yanmar Marine
Price $187.99
Web Price $94.00
Part Number 164100-22720
Description

HARNESS, WIRE 4M

Manufacturer Yanmar Marine
Price $365.99
Web Price $183.00
Part Number 128391-77720
Description

HARNESS, WIRE(6M

Manufacturer Yanmar Marine
Price $348.99
Web Price $174.50
Part Number 129574-77740
Description

HARNESS,10M

Manufacturer Yanmar Marine
Price $383.50
Web Price $191.75
Part Number 129271-77930
Description

HARNESS,ALTERNATOR

Manufacturer Yanmar Marine
Price $16.97
Web Price $8.48
Part Number 6R3-82553-30-00
Description

TRIM HARNESS 10FT

Manufacturer Yamaha
Price $79.80
Web Price $39.90
Part Number 6R3-82553-50-00
Description

TRIM HARNESS 16FT

Manufacturer Yamaha
Price $120.99
Web Price $60.49
Part Number 6R3-82553-70-00
Description

TRIM HARNESS 23 FT

Manufacturer Yamaha
Price $170.99
Web Price $85.50
Part Number 6H0-82105-J1-00
Description

WIRE HARNESS

Manufacturer Yamaha
Price $257.80
Web Price $128.90
Part Number 63P-82590-30-00
Description

WIRE HARNESS

Manufacturer Yamaha
Price $1,047.30
Web Price $523.65
Part Number 128271-77923
Description

WIRE HARNESS

Manufacturer Yanmar Marine
Price $79.50
Web Price $39.75
Part Number 128391-77700
Description

WIRE HARNESS

Manufacturer Yanmar Marine
Price $235.50
Web Price $117.75
Part Number 119171-77811
Description

WIRE HARNESS LH

Manufacturer Yanmar Marine
Price $118.99
Web Price $59.49
Part Number 6AH-82590-10-00
Description

WIRE HARNESS ASSY

Manufacturer Yamaha
Price $405.10
Web Price $202.55
Part Number 67F-82590-00-00
Description

WIRE HARNESS ASSY

Manufacturer Yamaha
Price $497.30
Web Price $248.65
Part Number 67C-82590-10-00
Description

WIRE HARNESS ASSY

Manufacturer Yamaha
Price $637.30
Web Price $318.65
Part Number 68V-82590-30-00
Description

WIRE HARNESS ASSY

Manufacturer Yamaha
Price $653.30
Web Price $326.65
Part Number 68F-82590-40-00
Description

WIRE HARNESS ASSY

Manufacturer Yamaha
Price $771.99
Web Price $386.00
Part Number 63P-82590-21-00
Description

WIRE HARNESS ASSY

Manufacturer Yamaha
Price $891.99
Web Price $446.00
Part Number 60V-82590-20-00
Description

WIRE HARNESS ASSY

Manufacturer Yamaha
Price $924.80
Web Price $462.40
Part Number 68F-8259M-20-00
Description

WIRE HARNESS ASSY

Manufacturer Yamaha
Price $994.80
Web Price $497.40
Part Number 69J-82590-20-00
Description

WIRE HARNESS ASSY

Manufacturer Yamaha
Price $1,313.10
Web Price $656.55
Part Number 6P2-8259M-00-00
Description

WIRE HARNESS ASSY 2

Manufacturer Yamaha
Price $237.30
Web Price $118.65
Part Number 68F-8259M-60-00
Description

WIRE HARNESS ASSY 2

Manufacturer Yamaha
Price $930.80
Web Price $465.40
Part Number 688-82590-03-00
Description

WIRE HARNESS ASY

Manufacturer Yamaha
Price $260.80
Web Price $130.40
Part Number 6E5-82590-03-00
Description

WIRE HARNESS ASY

Manufacturer Yamaha
Price $399.10
Web Price $199.55
Part Number 65L-8259M-00-00
Description

WIRE HARNESS ASY 2

Manufacturer Yamaha
Price $450.30
Web Price $225.15
Part Number 119778-77812
Description

WIRE HARNESS,ENGINE

Manufacturer Yanmar Marine
Price $264.50
Web Price $132.25
Part Number 90890-06900-00
Description

YDIS 2 HARNESS, 6X6 R/C CHKR

Manufacturer Yamaha
Price $258.50
Web Price $129.25