Sierra Marine Engine Parts & Drive Parts   Sierra Marine is a trusted name in aftermarket replacement boat engine and drive parts. Sierra’s products are designed and engineered to exceed the high horsepower demands of today’s engines in the harshest marine environments. All Sierra products meet or exceed the original equipment part it replaces.   If you need help finding a part, we need, Make, Model, Year, Horsepower, and Serial number of your engine.   Warning: We can no longer ship engine parts International or to California Due to Prop 65.

Two-position off-on switch. Mounting stem 1-1/4" long. 3/8" dia.. Overall length 3-1/8". Width 7/8". Brass hex back-up nut, brass washer, chrome plated knob. Has 2 male 1/4" blade terminals. With stainless steel springs.

Chrome plated 7/8" plastic knob. Mounting stem 1-1/4" long, 13/16" - 20 thread. Solid brass construction. Overall dimensions: 3-1/8" L, 3/8" dia. Accommodates 1" panel.

Toggle switch tip illuminates white when dash lights are turned on, changes to red light when switch is in "on" position. Switch lights ONLY when dash lights are turned on. Rated 20 amps at 12V. Requires 15/32" dia. panel hole.

Polyester housing is rust and corrosion proof. 4 position switch Accessory-Off-On-Start. Push to choke feature in Start position. 7 screw tab terminals. Fits many Mercury applications. Supplied with hexagonal black plastic face nut and brass back up nut. Requires 7/8" mounting hole in panel. Ignition rated 15 Amp @ 12 VDC, Solenoid 30 Amp @12 VDC, Choke 7 Amp @ 12 VDC, Accessory 15 Amp @ 12 VDC.

Magneto type for panels up to 5/8" thick. Polyester housing is rust and corrosion proof. 4 position switch Accessory-Off-On-Start. Push to choke feature in Start position. Seven screw tab/threaded boss terminals. Supplied with hexagonal black plastic face nut and brass back up nut. Requires 7/8" mounting hole in panel. Ignition rated 15 Amp @ 12 VDC, Solenoid 30 Amp @12 VDC, Choke 7 Amp @ 12 VDC, Accessory 15 Amp @ 12 VDC.

Three position off-on-on. First on position energizes one circuit. In second on position both circuits are energized. Mounting stem 1-1/4" long. 3/8" dia. Brass hex back-up nut, chrome plated brass face nut and chrome plated knob. 25amp@ 6VDC, 15 amps @ 12VD(MP39570 has a plastic knob and 3 screw type terminals) (MP39590 has a brass knob and 3-male 1/4" blade terminals)

Three position off-on-on. Two separate circuits. Mounting stem 1-1/4" long. 3/8" dia.. Chrome plated plastic knob. Suited for anchor lights and a separate circuit for running lights. 4 screw type terminals, brass hardware. Chrome plated solid brass face.

Three position off-on-on. First pull energizes one, second pull energizes both circuits. 3/8" mounting bushing. Solid brass construction with chrome finish plastic knob. 3 screw terminals. For panels up to 1" thick. 15A @ 12V DC.

SPST Contura Switch - 1-Amber LED - OFF/ON Single pole, single throw switch turns one circuit on and off. Contura switches are rated to IP66, high-pressure wash resistant. Recommended for replacements in waterproof electrical panels with rocker switches to ensure waterproof integrity. The black and gray switches and covers are interchangeable with similar switches used as original equipment on many common boat types. Features: Nominal voltage 12V/24V DC Rated for 20A at 12V DC, 15A at 24V DC. 1/4" blade terminals Includes one Amber LED Snap-in mounting to fit panel hole 1.45" x .83" into panels .093" to .187" thick Same as Cole Hersee part number 58332-04 WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

SPST Contura Switch - OFF/(ON) Single pole, single throw switch turns one circuit on and off. Common application includes intermittent horn or windshield wiper control. Contura switches are rated to IP66, high-pressure wash resistant. Recommended for replacements in waterproof electrical panels with rocker switches to ensure waterproof integrity. The black and gray switches and covers are interchangeable with similar switches used as original equipment on many common boat types. Features: Nominal voltage 12V/24V DC Rated for 20A at 12V DC, 15A at 24V DC 1/4" blade terminals Snap-in mounting to fit panel hole 1.45" x .83" into panels .093" to .187" thick Same as Cole Hersee part number 58332-20 WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

SPST Sealed Toggle Switch - OFF/(ON) Single pole, single throw toggle switch turns one circuit on and off. Common applications include intermittent horn or windshield wiper control. Completely sealed switches built to stand up to the most extreme conditions. Engineered to IP67 specifications utilizing a double o-ring within a bushing at the toggle and a full epoxy seal at the back. Features: Nominal voltage is 12V/24V DC Rated for 25A at 12V DC, 15A at 24V DC 10" 14 AWG wire lead terminals Mounting stem 15/32" fits panels up to 1/8" thick Same as Cole Hersee part number 55025-01 WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

SPST Chrome Plated Toggle Switch - 11/16" Handle - OFF/ON Single pole, single throw toggle switch turns one circuit on and off. Common applications include any single circuit requiring an on-off style switch. Features: Nominal voltage is 12V DC Rated for 10A at 12V DC 11/16" handle and two #6-32 screw terminals Mounting stem 15/32" fits panels up to 1/4" thick Same as Cole Hersee part number M-484 WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

SPST Chrome Plated Toggle Switch - 3/8" Ball Handle - OFF/ON Single pole, single throw toggle switch turns one circuit on and off. Common applications include any single circuit requiring an on-off style switch. Features: Nominal voltage is 12V DC Rated for 10A at 12V DC 3/8" ball handle and two #6-32 screw terminals Mounting stem 15/32" fits panels up to 1/4" thick Same as Cole Hersee part number M-483 WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

SPST Sealed Toggle Switch - OFF/ON Single pole, single throw toggle switch turns one circuit on and off. Common applications include use for any single circuit requiring an on-off style switch. Completely sealed switches built to stand up to the most extreme conditions. Engineered to IP67 specifications utilizing a double o-ring within a bushing at the toggle and a full epoxy seal at the back. Features: Nominal voltage is 12V/24V DC Rated for 25A at 12V DC, 15A at 24V DC 10" 14 AWG wire lead terminals Mounting stem 15/32" fits panels up to 1/8" thick Same as Cole Hersee part number 55025 WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.