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An electrical wiring harness kit with multi-colored wires, terminal splices, yellow and red connectors, and a multi-pin plug, shown on a plain white background.
A pair of bare cable leads with red and black insulation, black heat-shrink tubing, and silver metal spade terminals on a white background.
Three electrical cable leads with ring terminals, featuring a brown cable, a white cable, and an orange cable, each with a black sleeve and a silver ring terminal, shown on a white background.
Close-up of multi-colored electrical wire leads with ring terminals, including red, yellow, black, orange, and gray wires, on a white background.
Close-up of several electrical wire leads with ring terminal connectors, including red, black, yellow, orange, pink, gray, and brown wires, shown on a white background.
A pair of yellow and red insulated cable leads with black heat-shrink tubing and silver metal terminal connectors, shown on a plain white background.
An electrical wiring harness kit with multi-colored wires, terminal splices, yellow and red connectors, and a multi-pin plug, shown on a plain white background.
A pair of bare cable leads with red and black insulation, black heat-shrink tubing, and silver metal spade terminals on a white background.
Three electrical cable leads with ring terminals, featuring a brown cable, a white cable, and an orange cable, each with a black sleeve and a silver ring terminal, shown on a white background.
Close-up of multi-colored electrical wire leads with ring terminals, including red, yellow, black, orange, and gray wires, on a white background.
Close-up of several electrical wire leads with ring terminal connectors, including red, black, yellow, orange, pink, gray, and brown wires, shown on a white background.
A pair of yellow and red insulated cable leads with black heat-shrink tubing and silver metal terminal connectors, shown on a plain white background.
SKU 18-99392

Mercury Wiring Harness | 18-99392

by SIERRA
Availability:
in stock, ready to be shipped
$262.89 - $262.89
$262.89
$262.89 - $262.89
$262.89

The Sierra 18-99392, formerly CDI 414-2770, wiring harness for Mercury exits through the side of the lower cowling. See OEM interchange and engine fitment for additional details.

Fits the following engines:

  • 1970-1981 (20 & 40HP - 2 Cyl.)
  • 1967-1975 (50,65,80 & 85HP - 4 Cyl.)
  • 1966-1979 (90,95,100,115,125,135,140 & 150HP - 6 Cyl.)
OEM INTERCHANGE

Mercury Marine

  • 37628
  • 38072
  • 38910
  • 39177
  • 45070
  • 46285
  • 46463
  • 46905
  • 48150
  • 49370
  • 52769
  • 52770
  • 52771
  • 52771A2
  • 52820
  • 56370
  • 59741
  • 66055A1
  • 84-62534
  • 84-66055
  • 84-66297
  • 84-66297A1
  • 84-69236
  • 84-69236A1
  • 84-71443
  • 84-71443A1
  • 84-73826
  • 84-73826A1
  • 84-74904
  • 84-74904A1
A black padlock icon centered inside a black circle on a transparent checkerboard background.

Warranty

Sierra's limited lifetime warranty. Read more about warranty policies here.

California Proposition 65 Warning WARNING Cancer or Reproductive Harm — www.P65Warnings.ca.gov
  • 1970-1981 (20 & 40HP - 2 Cyl.) 1967-1975 (50,65,80 & 85HP - 4 Cyl.)
  • 1966-1979 (90,95,100,115,125,135,140 & 150HP - 6 Cyl.)
  • Harness Exits Through the Side of the Lower Cowling

Logistics

  • Dimensions parcel depth, ["]: 11
  • Dimensions parcel height, ["]: 11
  • Dimensions parcel width, ["]: 2.63
  • Parcel weight, [lbs]: 1.3

Engine Fitment for 18-99392

Brand Engine Model Year Serial Number Range Horsepower
Mercury Marine 200 1973 3537531-4709592 20
Mercury Marine 1150 1973 3525441-4855152 115
Mercury Marine 1500 1973 3502806-4865677 150
Mercury Marine 200 1974 3537531-4709592 20
Mercury Marine 1150 1974 3525441-4855152 115
Mercury Marine 1500 1974 3502806-4865677 150
Mercury Marine 200 1975 3537531-4709592 20
Mercury Marine 200 1975 8006265-8045198 20
Mercury Marine 200 1975 7012358-7098522 20
Mercury Marine 200 1975 9016254-9157229 20
Mercury Marine 402 1975 4117710-4860102 40
Mercury Marine 402 1975 8027440-8052124 40
Mercury Marine 402 1975 7047608-7112422 40
Mercury Marine 402 1975 9076839-9184450 40
Mercury Marine 500 1975 4141000-4357639 50
Mercury Marine 500 1975 7051983-7068997 50
Mercury Marine 500 1975 8029515-8030089 50
Mercury Marine 500 1975 9082514-9107213 50
Mercury Marine 850 1975 7010108-7071372 85
Mercury Marine 850 1975 8005440-8043774 85
Mercury Marine 850 1975 9011604-9110013 85
Mercury Marine 1150 1975 3525441-4855152 115
Mercury Marine 1500 1975 3502806-4865677 150
Mercury Marine 1500 1975 8005615-8052649 150
Mercury Marine 1500 1975 7010533-7112772 150
Mercury Marine 200 1976 3537531-4709592 20
Mercury Marine 200 1976 7012358-7098522 20
Mercury Marine 200 1976 8006265-8045198 20
Mercury Marine 200 1976 9016254-9157229 20
Mercury Marine 402 1976 4117710-4860102 40
Mercury Marine 402 1976 7047608-7112422 40
Mercury Marine 402 1976 8027440-8052124 40
Mercury Marine 402 1976 9076839-9184450 40
Mercury Marine 1150 1976 7010763-7112248 115
Mercury Marine 1150 1976 8008665-8051949 115
Mercury Marine 1150 1976 3525441-4855152 115
Mercury Marine 1500 1976 3502806-4865677 150
Mercury Marine 1500 1976 7010533-7112772 150
Mercury Marine 1500 1976 8005615-8052649 150
Mercury Marine 200 1977 3537531-4709592 20
Mercury Marine 200 1977 8006265-8045198 20
Mercury Marine 200 1977 7012358-7098522 20
Mercury Marine 200 1977 9016254-9157229 20
Mercury Marine 402 1977 4117710-4860102 40
Mercury Marine 402 1977 8027440-8052124 40
Mercury Marine 402 1977 7047608-7112422 40
Mercury Marine 402 1977 9076839-9184450 40
Mercury Marine 1150 1977 7010763-7112248 115
Mercury Marine 1150 1977 8008665-8051949 115
Mercury Marine 1150 1977 3525441-4855152 115
Mercury Marine 1500 1977 3502806-4865677 150
Mercury Marine 1500 1977 8005615-8052649 150
Mercury Marine 1500 1977 7010533-7112772 150
Mercury Marine 402, 40 1978 4860103-5556229 40
Mercury Marine 402, 40 1978 7112423-7144762 40
Mercury Marine 402, 40 1978 8052125-8064749 40
Mercury Marine 402, 40 1978 9184451-9251455 40
Mercury Marine 900, 90 1978 4845301-5299505 90
Mercury Marine 900, 90 1978 7111698-7123762 90
Mercury Marine 1150, 115 1978 4855153-5314655 115
Mercury Marine 115 1978 4865178-5430526 115
Mercury Marine 1150, 115 1978 7112248-7131212 115
Mercury Marine 1150, 115 1978 8051950-8061119 115
Mercury Marine 115 1978 8057045-8062459 115
Mercury Marine 1400, 140 1978 4865678-5327662 140
Mercury Marine 140 1978 5088444-5443029 140
Mercury Marine 1400, 140 1978 7112773-7132512 140
Mercury Marine 140 1978 8055605-8062459 140
Mercury Marine 1400, 140 1978 8052650-8052879 140
Mercury Marine 1500XS 1978 4868648-5327662 150
Mercury Marine 402, 40 1979 4860103-5556229 40
Mercury Marine 402, 40 1979 8052125-8064749 40
Mercury Marine 402, 40 1979 7112423-7144762 40
Mercury Marine 402, 40 1979 9184451-9251455 40
Mercury Marine 900, 90 1979 4845301-5299505 90
Mercury Marine 900, 90 1979 7111698-7123762 90
Mercury Marine 115 1979 4865178-5430526 115
Mercury Marine 1150, 115 1979 4855153-5314655 115
Mercury Marine 1150, 115 1979 8051950-8061119 115
Mercury Marine 115 1979 8057045-8062459 115
Mercury Marine 1150, 115 1979 7112248-7131212 115
Mercury Marine 1400, 140 1979 4865678-5327662 140
Mercury Marine 140 1979 5088444-5443029 140
Mercury Marine 1400, 140 1979 8052650-8052879 140
Mercury Marine 1400, 140 1979 7112773-7132512 140
Mercury Marine 140 1979 8055605-8062459 140
Mercury Marine 1150 1985 7010763-7112248 115
Mercury Marine 1150 1985 8008665-8051949 115
Mercury Marine 1500 1985 7010533-7112772 150
Mercury Marine 1500 1985 8005615-8052649 150
Mercury Marine 400 (2 Cyl) 2874704-3336257 40
Mercury Marine 650 (4 Cyl) 1765044-2119748 65
Mercury Marine 650 (4 Cyl) 2309311-2803561 65
Mercury Marine 650 (4 Cyl) 2803562-3293183 65
Mercury Marine 800, 80 2559001-3493912 80
Mercury Marine 850 (4 Cyl) 3493913-4366801 85
Mercury Marine 950 1869776-2318585 95
Mercury Marine 1000SS 2318586-2836018 100
Mercury Marine 1100 1870204-2314955 110
Mercury Marine 1250 2314956-2839368 125
Mercury Marine 1350 2839369-3293233 135
Mercury Marine 1400 3293234-3502805 140
Mercury Marine 1000BP 2641855-3253111 —
Mercury Marine 1250BP 2641855-3253111 —
Mercury Marine 1150 2836019-3525440 —
Mercury Marine 500 2116318-2305100 —
Mercury Marine 500 2305101-2858813 —
Mercury Marine 500 2858814-4140999 —
Mercury Marine 402 3336258-4117709 —
Mercury Marine 500 1770179-2116317 —

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Interchange for Mercury Wiring Harness | 18-99392

Mercury Marine

  • 37628
  • 38072
  • 38910
  • 39177
  • 45070
  • 46285
  • 46463
  • 46905
  • 48150
  • 49370
  • 52769
  • 52770
  • 52771
  • 52771A2
  • 52820
  • 56370
  • 59741
  • 66055A1
  • 84-62534
  • 84-66055
  • 84-66297
  • 84-66297A1
  • 84-69236
  • 84-69236A1
  • 84-71443
  • 84-71443A1
  • 84-73826
  • 84-73826A1
  • 84-74904
  • 84-74904A1

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60 YEARS OF SIERRA

SIERRA has a 60-year history as a leading global manufacturer of aftermarket engine and drive parts for the marine industry. The SIERRA brand encompasses the full SIERRA Marine product lines, as well as expansive brands formerly known as Shields and Moeller.

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