This is the new (November, 2025) Carp Coastal Marine website. Looking for our old online shopping website? Both websites allow purchasing of our entire line of marine supplies. Click Here for the old Marine Store

Product Search

SIERRA MP41040 IGNITION SWITCH 4 POSITION
Price: $31.59
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Sierra MP41040 Conventional 4 Position 1 1/8" Polyester 4 Screw Terminal 12V 15 Amp Ignition Starter Switch Brass Switches: Traditional corrosion resistant construction. Does not include push to choke. Includes boot and 7/8" Mtg hole. 4 Position (Accessory-Off- Ignition-Start). 30 Amp Solenoid.
ALT Part Numbers: SIE MP41040, 54-1073
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sierra

SKU:11-MP41040

UPC:023121410404

SIERRA MP41040 IGNITION SWITCH 4 POSITION
SIERRA UN12140 STARTER SWITCH
Price: $33.99
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Sierra UN12140 Conventional 4 Position 5/8" Zinc 4 Stud Terminal 12V 15 Amp Ignition Starter Switch Does not include push to choke or boot and has a 9/16" Mtg hole. 4 Position (Accessory-Off- Ignition-Start). 30 Amp Solenoid.
ALT Part Numbers: SIE UN12140, 00-7319
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sierra

SKU:11-UN12140

UPC:023121121409

SIERRA UN12140 STARTER SWITCH
SIERRA MP39730 SWITCH
Price: $31.99
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Sierra Magneto 4 Position 5/8" Polyester 7 Screw Terminal 12V 15 Amp Ignition Starter Switch Polyester Switches: Provide maximum corrosion protection and eliminate potential shorts. Inner seal between cylinder. Does not include boot and has a 7/8" Mtg hole. 4 Position (Accessory-Off- Ignition-Start). 30 Amp Solenoid.
ALT Part Numbers: SIE MP39730, 01-0352, 23-9156
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sierra

SKU:11-MP39730

UPC:808282200695

SIERRA MP39730 SWITCH
SIERRA MP41010 IGNITION SWITCH MERC 4-POSIT.
Price: $36.09
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Sierra Magneto 4 Position 5/8" Polyester 7 Screw Terminal 12V 15 Amp Ignition Starter Switch Polyester Switches: Provide maximum corrosion protection and eliminate potential shorts. Inner seal between cylinder. Does not include boot and has a 7/8" Mtg hole. 4 Position (Accessory-Off- Ignition-Start). 30 Amp Solenoid.
ALT Part Numbers: SIE MP41010, 00-7173
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sierra

SKU:11-MP41010

UPC:023121410107

SIERRA MP41010 IGNITION SWITCH MERC 4-POSIT.
SIERRA MP41080 IGNITION SWITCH OMC 4-POSITI.
Price: $36.39
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Sierra MP41080 4 Position 5/8" Polyester 6 Screw 1 Boss Terminal 12V 15 Amp Ignition Starter Switch Polyester Switches: Provide maximum corrosion protection and eliminate potential shorts. Inner seal between cylinder. Includes push to choke and 7/8" Mtg hole. Does not include boot. 4 Position (Accessory-Off- Ignition-Start). 30 Amp Solenoid.
ALT Part Numbers: SIE MP41080, 54-1214
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sierra

SKU:11-MP41080

UPC:023121410800

SIERRA MP41080 IGNITION SWITCH OMC 4-POSITI.
SIERRA MP51020 IGNITION SWITCH
Price: $134.09
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Sierra Yamaha Outboard Exact OEM Replacement Ignition Switch Exact OEM replacements installation for Yamaha outboards. Ideal for use with DFI, EFI and MPI engine packages. A rubber molded key combines OEM appearance and feel with a solid, secure grip in all conditions - even when wearing gloves.
ALT Part Numbers: SIE MP51020, 00-7179
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sierra

SKU:11-MP51020

UPC:808282229771

SIERRA MP51020 IGNITION SWITCH
SIERRA MP51030 IGNITION SWITCH
Price: $137.79
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Sierra Yamaha Outboard Exact OEM Replacement Ignition Switch Exact OEM replacements installation for Yamaha outboards. Ideal for use with DFI, EFI and MPI engine packages. A rubber molded key combines OEM appearance and feel with a solid, secure grip in all conditions - even when wearing gloves. For dual engine applications.
ALT Part Numbers: SIE MP51030, 00-7181
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sierra

SKU:11-MP51030

UPC:808282229788

SIERRA MP51030 IGNITION SWITCH
SIERRA MP51040 IGNITION SWITCH
Price: $169.09
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Sierra Yamaha Outboard Exact OEM Replacement Ignition Switch Exact OEM replacements installation for Yamaha outboards. Ideal for use with DFI, EFI and MPI engine packages. A rubber molded key combines OEM appearance and feel with a solid, secure grip in all conditions - even when wearing gloves.
ALT Part Numbers: SIE MP51040, 00-7183
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sierra

SKU:11-MP51040

UPC:808282229795

SIERRA MP51040 IGNITION SWITCH
SIERRA MP39190 BOOT-IGNITION SWITCH
Price: $8.59
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Boot-Ignition Switch MP39190 fits all Sierra polyester ignition switches, 1996 & later. 13/16"-16 thread. Rotating rubber seal. Seals out moisture and dust.
ALT Part Numbers: SIE MP39190, 54-1077
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sierra

SKU:11-MP39190

UPC:808282173944

SIERRA MP39190 BOOT-IGNITION SWITCH
SIERRA MP39270 BOOT NUT
Price: $14.49
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Boot Nut MP39270 fits polyester ignition switches MP39100-MP39120. Extra long threads on mounting bushing for pre-1995 style with 13/16-20 thread ONLY!
ALT Part Numbers: SIE MP39270, 01-0342, 23-9147
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sierra

SKU:11-MP39270

UPC:023121392700

SIERRA MP39270 BOOT NUT