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.

Rotoswitch offers a wide variety of circuits. Each switch is supplied with a black knob with a frosted clear indicator. When used with the optional light modules the indicator glows with color to indicate control status. Rotoswitches mount in most panels currently using toggle switches with only minor modification. All Rotoswitches are described with the "Off" position at 12 o'clock for clarity.

SPDT Contura Switch - 2-Amber LEDs - ON/OFF/ON Single pole, double throw switch turns one of two circuits on. Common applications include combining nav lights and anchor light with independent bulbs. 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 two Amber LEDs Snap-in mounting to fit panel hole 1.45" x .83" into panels .093" to .187" thick Same as Cole Hersee part number 58332-21 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.

SPDT Contura Switch - 1-Amber LED - (ON)/OFF/ON Single pole, double throw switch turns one of two circuits on. Common applications include intermittent manual override and maintained float switch bildge pump 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 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 58332-23 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.

DPDT Contura Switch - 1-Amber LED - ON/OFF/(ON) Double pole, double throw switch turns two of four circuits on at a time. Common applications include intermittent and maintained 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 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 58332-25 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.

DPDT Contura Switch - 2-Amber LEDs - ON/OFF/ON Double pole, double throw switch turns two of four circuits on at a time. Common applications combining nav lights and anchor light with independent bulbs, maintained single 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 Includes two Amber LEDs Snap-in mounting to fit panel hole 1.45" x .83" into panels .093" to .187" thick Same as Cole Hersee part number 58332-26 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.

Sealed Rocker Switch Non-Illuminated DPDT (On)-Off-(On) 6 Blade Features: 25A at 12V DC, 15A at 24V DC General specifications are the same as for the preceding ‘Sealed Switches with Pilot Lights’ Sealed to IP66 for water resistance (high pressure wash.) Double Pole, Double Throw Six brass blade terminals

SPST Rocker Switch - 1-LED - 12V - ON/OFF Single pole, single throw switch turns one circuit on and off. Features: Includes one LED Nominal voltage is 12V DC Rated for 25A at12V DC Three #8-32 screw terminals Snap-in mounting to fit panel hole 1.45" x .83" into panels .093" to .187" thick Same as Cole Hersee part number 56327-01 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 Lighted Toggle Switch - Red LED - 12V - ON/OFF Single pole, single throw toggle switch turns one circuit on and off. Features: Nominal voltage is 12V DC Rated for 25A at 12V DC Four 1/4" blade terminals Switch illuminates red when on and is clear when off 15/32" mounting hole, fits panels up to 1/8" thick Same as Cole Hersee part number M-54111-01 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.

Sealed Rocker Switch Non-Illuminated SPST On-Off 2 Screw Features: 20A at 12V DC, 10A at 24V DC Sealed to IP66 for water resistance. (high pressure wash.) Single Pole, Single Throw Two Brass Screw Terminals

Sealed Rocker Switch Non-Illuminated SPST (On)-Off 2 Blade Features: 25A at 12V DC, 15A at 24V DC Sealed to IP66 for water resistance. (high pressure wash.) Single Pole, Single Throw Two brass blade terminals

Sealed Rocker Switch Non-Illuminated SPDT On-Off-On 3 Blade Features: 25A at 12V DC, 15A at 24V DC Sealed to IP66 for water resistance (high pressure wash.) Single Pole, Double Throw Three brass blade terminals

Sealed Rocker Switch Non-Illuminated SPDT (On)-Off-(On) 3 Blade Features: 25A at 12V DC, 15A at 24V DC Sealed to IP66 for water resistance (high pressure wash.) Single Pole, Double Throw Three brass blade terminals

Sealed Rocker Switch Non-Illuminated DPDT On-Off-On 6 Blade Features: 25A at 12V DC, 15A at 24V DC Sealed to IP66 for water resistance (high pressure wash.) Double Pole, Double Throw Six brass blade terminals

m-Series Mini On-Off Battery Switch with Key - Black Switches a single battery to a single load group Ignition protected-safe for installation aboard gasoline powered boats. Case design allows surface, front panel, or rear panel mounting Isolating cover with snap-on sections protects rear contacts. Switch Type: Single Circuit ON-OFF Color: Black Switch Positions: 2 Battery Combine: No Alternator Field Disconnect: No Maximum Voltage: 48V DC Continuous Rating : 300A Intermittent Rating : 500A (5 min) Cranking Rating 10 sec: 1500A Cranking Rating 1 min: 775A Battery Inputs: 1 Cable Clearance For 4/0 AWG Cables: 1.12in (28.45 mm) Cable Size to Meet Ratings: 4/0 AWG (120mm²) Mounting Holes: Accept #10 Screw Terminal Stud Size: 3/8"-16 (M10) Terminal Stud Torque: 120 in-lb (13.56 Nm) Weight: 0.62lb (0.28/ kg) 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.