MERCURY 39671A1 Switch 39671A3

( Manufacturer Part Number: 39671A1 ), ( Part Type: Switch ), ( Warranty: 1 Year ), ( Gender: Unisex )

Review MERCURY Switch Assembly fits MERCRUISER MARINE

The Mercury Marine 39671A1 Switch is an essential component for managing various electrical systems on your boat. This versatile switch is engineered to meet the specific demands of marine environments, ensuring reliable operation in even the most challenging conditions.

The Mercury 39671A1 Switch is a 6-position rotary switch, which allows you to easily operate up to six different circuits or systems. The durable, waterproof construction features a polycarbonate housing and a stainless steel shaft, providing protection against water, UV rays, and corrosion. The switch is also equipped with a watertight seal, ensuring that no water can penetrate the switch and cause damage.

The Mercury 39671A1 Switch is designed for use with Mercury Marine engines and other marine electrical systems. It is compatible with various Mercury Marine switches and can be used to control a range of systems, including lighting, bilge pumps, and other accessories. The switch is also equipped with a built-in LED indicator, which provides clear visual feedback on the status of each circuit.

Installation of the Mercury 39671A1 Switch is straightforward and can be done with basic tools. The switch comes with mounting hardware and clear installation instructions to make the process as simple as possible. The switch is also designed to be easily integrated with other Mercury Marine switches and wiring harnesses, allowing you to create a customized electrical control system for your boat.

The Mercury Marine 39671A1 Switch is an essential accessory for any boat owner who wants to ensure reliable and efficient control of their electrical systems. With its durable, waterproof construction and versatile 6-position design, this switch is an indispensable tool for managing the various electrical systems on your boat. Whether you're cruising the open waters or battling rough seas, the Mercury Marine 39671A1 Switch is the perfect companion for your boating adventures.

Mercury Marine Mercruiser Switch 39671A1 vs. 39671A3: A Comparative Analysis

The Mercury Marine Mercruiser Switch 39671A1 and 39671A3 are essential components in the electrical system of Mercury Marine outboard engines. These switches are designed to control various electrical components on your watercraft. In this analysis, we will compare these two switches based on their features, advantages, and disadvantages.

A. Mercury Marine Mercruiser Switch 39671A1

1. Designed for use with Mercury Marine outboard engines

2. 12-circuit switch with 10 amps per circuit

3. LED indicators for each circuit

4. Watertight design

5. UV-resistant cover

B. Mercury Marine Mercruiser Switch 39671A3

1. Designed for use with Mercury Marine outboard engines

2. 12-circuit switch with 20 amps per circuit

3. LED indicators for each circuit

4. Watertight design

5. UV-resistant cover

C. Common Features and Advantages

1. Easy to install

2. Durable construction

3. Compact design

4. Weather-resistant

5. Suitable for both freshwater and saltwater use

A. Mercury Marine Mercruiser Switch 39671A1

1. Lower amperage capacity per circuit (10 amps) compared to 39671A3

2. May not be suitable for high-power electrical systems

B. Mercury Marine Mercruiser Switch 39671A3

1. Higher price point than 39671A1

2. More amperage per circuit (20 amps) may not be necessary for all applications, resulting in wasted resources

Both the Mercury Marine Mercruiser Switch 39671A1 and 39671A3 offer similar features, advantages, and disadvantages. The primary difference lies in the amperage capacity per circuit. If you have a high-power electrical system or plan to add more power-consuming accessories, the 39671A3 with its 20 amps per circuit might be the better choice. However, if your electrical system requirements are more modest, the lower-priced 39671A1 should suffice.

Upon careful consideration of the features, advantages, and disadvantages of both switches, it is recommended that you assess your electrical system requirements before making a purchase. If you have a high-power electrical system or plan to add power-consuming accessories, the Mercury Marine Mercruiser Switch 39671A3 is the recommended option. However, if your electrical system requirements are more modest, the Mercury Marine Mercruiser Switch 39671A1 is a cost-effective solution. Ultimately, the decision rests on your specific needs and budget.

Details:

Mercury Marine PN: 39671A1, Fits: 120/140 1967-1969 S/N: 2062141 THRU 2791956, 160 2065190 2763441, IA/IB/IC EZ-SHIFT 1965-1966 1776349 2065189. Switch Assembly: This item for sale is a Mercury Marine Assembly. Nobody comes close. The most complete kit on the market.

Phantom Black Spray Paint.

part #: 39671a1 prices

• $47.95-$149.99

specifications otsterndriv:

• for models: Marine, Mercruiser
• for makes: Mercury
• mpn: 39671a1
• part type: Switch
• warranty: 1 Year
• gender: Unisex

seller otsterndriv:

• city: Worcester, Massachusetts
• # reviews: 136140
• rating: 98.7%

payments otsterndriv:

• wallet: Paypal
• credit card: Visa
• other

offer otsterndriv:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: June 22, 2025
• sold: 0

general otsterndriv:

• Boat Parts > Sterndrive Motors Components > Other
• condition: New

returns otsterndriv:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

shipping otsterndriv:

• type: Calculated
• service: USPS First Class, USPS Priority Mail, UPS Ground
• class: Standard, Expedited
• transit: 4-9 Days
• carrier: USPS, UPS
• cost: $0.00

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