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1940 - 1979 Model  Guide
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Note: Items listed on this page may fit many different models.  Please refer back to the model guide listing or your engine parts list for correct part numbers for your application.
 
 
 
Online Catalog
1940 - 1979 Model  Guide
Frequently Asked Questions

 

Contact Us
Ordering Info
Related Sites
 
 

OldMercs Online Catalog -THE Source for Mercury Outboard Motor Parts

 

Electric Starting Components

Select One:  Electric Starters  /   Starter Solenoids   /   Wiring HarnessesIgnition SwitchesIgnition Keys


Note: For recoil starter parts see: Recoil Starter Springs & Recoil Starter Handles & Ropes
 

Starter Motors
Please refer to the model guide to make sure the starter you choose is for your application.
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Part Number

Description

Price Each

Click Below to Purchase

25942K Electric Starter with bracket

25942K Modern replacement electric starter with 11 tooth drive for 58 tooth flywheels.  For Mark 55 models (Ser. #906752 thru 1152195), Mark 58, Mark 35A, Mark 58A (up to Ser.#1226546).  *Includes bracket and hardware for mounting starter solenoid (not pictured.) $295.55
25942K Electric Starter with bracket ARC 5374-6 After market modern replacement electric starter with 11 tooth drive for 58 tooth flywheels.  For Mark 55 models (Ser. #906752 thru 1152195), Mark 58, Mark 35A, Mark 58A (up to Ser.#1226546).  *Includes bracket and hardware for mounting starter solenoid (not pictured.) $205.00

 

25942-1 Electric Starter

25942-1 Modern replacement Electric starter with drive with 11 tooth drive for 58 tooth flywheels.  For 1956 Mark 25, and Mark 30E (Ser.#950251 thru 1096981) $255.00
25942-1 Electric Starter ARC 5374-6 After market modern replacement Electric starter with drive with 11 tooth drive for 58 tooth flywheels.  For 1956 Mark 25, and Mark 30E (Ser.#950251 thru 1096981) $205.00  

 

50-29105K Electric Starter

50-29105K Modern replacement electric starter with 10 tooth drive for 59 tooth flywheels.  For Mark 55A, Mark 58A (Ser.#1226547 & Up), Merc 300, 4 cyl. Merc 400, 4 cyl. Merc 350(1961), 1961 Merc 500, 1962 Merc 450 (up to Ser.#1479709), 1962 Merc 500 (up to Ser.# 1480087, and Ser# 1480160 thru 1480224) $300.00
50-29105K Electric Starter ARC 5374X After market modern replacement electric starter with 10 tooth drive for 59 tooth flywheels.  For Mark 55A, Mark 58A (Ser.#1226547 & Up), Merc 300, 4 cyl. Merc 400, 4 cyl. Merc 350(1961), 1961 Merc 500, 1962 Merc 450 (up to Ser.#1479709), 1962 Merc 500 (up to Ser.# 1480087, and Ser# 1480160 thru 1480224) $210.00

 

50-44369A1 electric starter

50-44369A1 Starter Motor Kit used on most 3 cylinder 50-70 HP models 1972-1997.  
                 
$287.33
50-44369A1 electric starter ARC 5388 After market starter motor kit used on most 3 cylinder 50-70 HP models 1972-1997. $210.00  

 

50-55601A2 electric starter

50-55601A2 Starter motor fits 35 HP 1963-69, 40 HP 1970-79, and 50 HP 1963-75 Mercury electric start models.
                  
$412.75
50-55601A2 electric starter ARC 5366 After market Starter motor fits 35 HP 1963-69, 40 HP 1970-79, and 50 HP 1963-75 Mercury electric start models. $195.00  

 

50-58788A3 Electric Starter

50-58788A3 Mercury Electric Starter Motor for many 4 & 6 cylinder models 65 - 125 HP 1962 - 75. $255.00 No Longer Available
50-58788A3 Electric Starter ARC 5374 Aftermarket Electric Starter Motor for many 4 & 6 cylinder models 65 - 125 HP 1962 - 75. $205.00  

 

50-66015T1

Mercury starter motor for many 3 & 4 cylinder models 1976 thru 1996.

                  

$339.17
ARC 5375 After market Mercury starter motor for many 3 & 4 cylinder models 1976 thru 1996. $205.00

 

50-66015T1 Mercury starter motor for many 3 & 4 cylinder models 1976 thru 1996 $315.92
ARC 5375 Aftermarket starter motor for many 3 & 4 cylinder models 1976 thru 1996 205.00  

 

50-72467 Electric Starter

50-72467 Original Equipment Electric Starter Motor for 1970-73 Merc 1150,  1970-71 Merc 1350,  and early 150-175HP V-6 models with 92 tooth flywheel. (1976-78 era) $320.00
No Longer Available
50-72467 Electric Starter ARC 5377 After market Electric Starter Motor for 1970-73 Merc 1150,  1970-71 Merc 1350,  and early 150-175HP V-6 models with 92 tooth flywheel. (1976-78 era) $220.00  

 

50-72467-1 Electric Starter

50-72467-1 Mercury Electric Starter Motor for 1970-73 Merc 1150 and 1970-71 Merc 1350,  and early 150-175HP V-6 models with 92 tooth flywheel. (1976-78 era) $343.67
50-72467-1 Electric Starter ARC 5377 Aftermarket Electric Starter Motor for 1970-73 Merc 1150 and 1970-71 Merc 1350,  and early 150-175HP V-6 models with 92 tooth flywheel. (1976-78 era) $220.00  

 

50-73521T New Mercury Starter used on 4 Cylinder 40 - 50 HP models from 1976 thru 1997.
                  
$295.83
ARC 5379 After market Starter used on 4 Cylinder 40 - 50 HP models from 1976 thru 1997. $205.00  

 

50-893893 New Mercury Starter used on many V-6 models with 94 tooth flywheels.
                         
$242.42
ARC 5380 After market Mercury Starter used on many V-6 models with 94 tooth flywheels. $210.00

 

  50-8M0033984 New Merucyr starter. see model guide for applications. $173.50
  50-893891T New Mercury starter used on1977 Merc 850 $339.17

50-79472T2 Mercury Electric Starter Motor used on many V-6 models with 94 tooth flywheels. $326.25
ARC 5380 Aftermarket Electric Starter Motor used on many V-6 models with 94 tooth flywheels. $210.00  

 

Note: For recoil starter parts see:

Starter Solenoids
 
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Part Number

Description

Price Each

Click Below to Purchase

25661T1 starter solenoid

25661T1 Mercury Electric Starter Solenoid used on many models from 1956-1979.
 
$51.80

25661-1 Aftermarket Electric Starter Solenoid used on many models from 1965-1979. $22.95

89-853654A1 starter solenoid

89-853654A1 Starter Solenoid used on many starter and power trim applications 1972 to present. $30.10
  89-96054T Starter Solenoid used on 1980-83 Merc 18HP. $23.90

32445A1 Starter Solenoid

32445A1 Starter Solenoid with curved mounting bracket used on many 35-70 HP models 1957 thru 1970. $74.99

 

Ignition & Choke Switches
 
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Part Number

Description

Price Each

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54211T Mercury Ignition Switch with 2 keys

54211T 5 Post ignition switch with 2 keys.  Fits controls and dash panels for 2 cylinder models 1970-79, 4 cyl. models 1960 thru 1979, and 6 cyl. models 1966 thru 1979.  Also fits 4 cyl. controls 1954 thru 56 with metal motor connector.   Replacement keys also sold individually below. $41.66

52335 Mercury ignition switch with 2 keys

52335 NLA Unique plug-in style ignition switch (5 pins) used with 4 cylinder electric start Mercury models  from mid- 1957 thru 1959 using original 2 lever control box and which used a rubber plug electrical connector on the engine.  Comes with 2 keys.  Replacement keys also sold individually below. $88.50
54212A9 3 Post battery ignition switch replaces 4 post switch on 6 cylinder models 1957-65.  Rectifier output (red wire) must be connected directly to positive from battery. $26.49

29759 Rubber covered choke switch used on remote controls from 1962 thru 1979. $16.03
SIEMP39760 Off-On-Start ignition switch for magneto push to start systems 15 Amps (Ign)-30 Amps (Sol)- 7 Amps (Choke) @ 12 Volts DC.  Accomodates 5/8" thick panel. $24.99
SIEMP41030 Off-On-Start ignition switch for distributor systems 15 Amps (Ign)- 30 Amps (Sol) @ 12 Volts DC. Accomodates 5/8" thick panel. $23.99
SIEMP41010 Accessory-Off-On-Start ignition switch for magneto push to choke ignition systems 15Amps (Acc& Ign)- 30 Amps (Sol)- 7 Amps (Choke) @ 12 Volts DC. Accomodates 5/8" thick panel. $31.49
SIEMP39040 Off-On-Start ignition switch for magneto ignition systems 15Amps (Acc&Ign)- 30 Amps (Sol) @ 12 Volts DC. Accomodates 1-1/8" thick panel. $38.49
SIEMP39080 Off-On-Start ignition switch for distributor systems 15 Amps (Ign)- 30 Amps (Sol) @ 12 Volts DC. Accomodates 1-1/8" thick panel. $41.99
SIEMP39060 Off-On-Start ignition switch for 15 Amps (Ign)- 30 Amps (Sol) @ 12 Volts DC. Accomodates 1-1/8" thick panel. $35.99
SIEMP39120 Off-On-Start ignition switch for distributor systems 15 Amps (Ign)- 30 Amps (Sol) @ 12 Volts DC. Accomodates 1-1/8" thick panel. $21.49
SIEMP39200 Off-On-Start ignition switch for distributor systems 15 Amps )Ign)- 30 Amps (Sol) @ 12 Volts DC. Accomodates 1-1/8" thick panel. $23.49

 

Wiring Harnesses

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Part Number

Description

Price Each

Click Below to Purchase

Picture Not

Available

33401 Replacement Internal Wiring Harness. For many 4 cyl. 35-50 HP Electric start models from late 1957 thru 1964. (Not identical to original-some wires may be longer than needed.) $125.00

No Longer Available

Wiring Harness 84-60795 Internal wiring harness for 1972-75 65HP Mercury outboards. $205.33
84-61378A2 Heavy Duty Battery cables for 1972-75 65HP Mercury outboards. $71.00
84-62862A4 Heavy Duty Battery cables for 1976 65HP models and 1977 thru 79 70HP models. $66.24
84-66055A1 Internal Wiring Harness for 1974-75 Merc 850
                     
$190.58
84-69236A1 Internal Wiring Harness fits:
  •  1978 through early 1979 Merc 900
  •  1970 through early 1979 Merc 1150
  •  1969 Merc 1250
  •  1970 - 71 Merc 1350
  •  1972 Merc 1400
  •  1973-77 Merc 1500
                         
$189.90
Wiring Harness 84-73204 Internal Wiring Harness fits 1976 65HP models and 1977 thru 79 70HP models. $219.48 No Longer Available
84-73369A1 Internal Wiring Harness fits 1976 Merc 850 $199.80
84-73447A1 Internal wiring harness fits 1977-79 Merc 500 $188.25
Wiring Harness 84-73826A1 Internal wiring harness fits 1977 through 1979 Merc 402 40 HP models. $175.18
Wiring Harness 84-74904A1 Internal Wiring Harness fits 1973 through early 1977 Merc 200 20hp models with Ser.#3537531 through 4709592.. $170.10
Wiring Harness 84-76295A1 Internal Wiring Harness fits late 1977 through 1979 Merc 200 20hp models with Ser.# 4709593 thru 5606491. $179.03
  84-85532A1 Internal wiring harness for 1977-79 Merc 1400. $183.22
  84-92436A5 Engine wiring harness assy. See model guide for applications. $54.13
84-822253t20 External Wiring Harness for Mercury Outboards 84-822253T20 External Wiring Harness.  Goes to motor, battery, & ignition switch.  Fits all 4 cyl. models 1957 thru 1979 with rubber plug on starboard side of lower cowl, and all 6 cylinder models 1966-79.    Also fits 20 HP 1973-79, and 40 HP 1970-79 Electric start models.  20 ft. long.
                       
$291.50

 

Replacement Ignition Keys
Click to View Larger Description

Price Each

Click Below to Purchase

101 Replacement Ignition Key Key stamped with "101" NLA  Limited Quantity $5.00
102 Replacement Ignition Key Key stamped with "102" NLA  Limited Quantity $5.00
 
103 Replacement Ignition Key Key stamped with "103" NLA  Limited Quantity $5.00
 
104 Replacement Ignition Key Key stamped with "104" NLA  Limited Quantity $5.00
 
105 Replacement Ignition Key Key stamped with "105" NLA  Limited Quantity $5.00
 
106 Replacement Ignition Key Key stamped with "106" NLA  Limited Quantity $5.00
 
107 Replacement Ignition Key Key stamped with "107" NLA  Limited Quantity $5.00
108 Replacement Ignition Key Key stamped with "108" $5.00
 
109 Replacement Ignition Key Key stamped with "109" NLA  Limited Quantity $5.00
 
110 Replacement Ignition Key Key stamped with "110" NLA  Limited Quantity $5.00
111 Replacement Ignition Key Key stamped with "111" NLA  Limited Quantity $5.00
112 Replacement Ignition Key Key stamped with "112" NLA  Limited Quantity $5.00
 
113 Replacement Ignition Key Key stamped with "113" NLA  Limited Quantity $5.00
 
114 Replacement Ignition Key Key stamped with "114" NLA  Limited Quantity $5.00
115 Replacement Ignition Key Key stamped with "115" $5.00
No Longer Available
116 Replacement Ignition Key Key stamped with "116" NLA  Limited Quantity $5.00
 
117 Replacement Ignition Key Key stamped with "117" NLA  Limited Quantity $5.00
 
118 Replacement Ignition Key Key stamped with "118" NLA  Limited Quantity $5.00
 
119 Replacement Ignition Key Key stamped with "119" NLA  Limited Quantity $5.00
 
120 Replacement Ignition Key Key stamped with "120" NLA  Limited Quantity $5.00
 
121 Replacement Ignition Key Key stamped with "121" NLA  Limited Quantity $5.00
122 Replacement Ignition Key Key stamped with "122" NLA  Limited Quantity $5.00
 
123 Replacement Ignition Key Key stamped with "123" $5.00
 
124 Replacement Ignition Key Key stamped with "124" $5.00
 
125 Replacement Ignition Key Key stamped with "125" $5.00
 
126 Replacement Ignition Key Key stamped with "126" $5.00
 
127 Replacement Ignition Key Key stamped with "127" $5.00
 
128 Replacement Ignition Key Key stamped with "128" $5.00
 
129 Replacement Ignition Key Key stamped with "129" $5.00
 
130 Replacement Ignition Key Key stamped with "130" $5.00
131 Replacement Ignition Key Key stamped with "131" $2.55
No Longer Available
132 Replacement Ignition Key Key stamped with "132" $5.00
 
133 Replacement Ignition Key Key stamped with "133" $5.00
 
134 Replacement Ignition Key Key stamped with "134" $5.00
 

 

   
Click to View Larger Description

Price Each

Click Below to Purchase

1A Replacement Ignition Key Key stamped with "1A" $5.00
 
1B Replacement Ignition Key Key stamped with "1B" $5.00
 
1C Replacement Ignition Key Key stamped with "1C" $5.00
 
1D Replacement Ignition Key Key stamped with "1D" $5.00
 
1E Replacement Ignition Key Key stamped with "1E" $5.00
 
1F Replacement Ignition Key Key stamped with "1F" $5.00
 
2A Replacement Ignition Key Key stamped with "2A" $5.00
 
2B Replacement Ignition Key Key stamped with "2B" $5.00
 
2C Replacement Ignition Key Key stamped with "2C" $5.00
 
2D Replacement Ignition Key Key stamped with "2D" $5.00
 
2E Replacement Ignition Key Key stamped with "2E" $5.00
 
2F Replacement Ignition Key Key stamped with "2F" $5.00
 



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