Skip to content
Boating Accessories & Marine Electronics
Boating Accessories & Marine Electronics

Alternators

Marine alternators and regulators from ARCO and Balmar, including direct replacements and high-output upgrades.

Filters

Original price $448.59
Original price $448.59 - Original price $448.59
Original price $448.59
Current price $397.99
$397.99 - $397.99
Current price $397.99

ARCO Marine Premium Replacement Outboard Alternator - Verado 12V 70A [20860]

Only 2 left!

Premium Replacement Outboard Alternator - Verado 12V 70AReplacement alternator that will fit all Mercury Verado Outboards, 12 Volt, 70 AMP, intern...

View full details
Original price $448.59
Original price $448.59 - Original price $448.59
Original price $448.59
Current price $397.99
$397.99 - $397.99
Current price $397.99
Save 11% Save %
Original price $298.68
Original price $298.68 - Original price $298.68
Original price $298.68
Current price $266.99
$266.99 - $266.99
Current price $266.99

ARCO Marine Premium Replacement Alternator w/Multi-Groove Pulley - 12V 55A [60055]

Only 3 left!

Premium Replacement Alternator with Multi-Groove Pulley - 12V 55AReplacement alternator that will fit late model Mercruiser, 12 Volt, 55 Amp, Inte...

View full details
Original price $298.68
Original price $298.68 - Original price $298.68
Original price $298.68
Current price $266.99
$266.99 - $266.99
Current price $266.99
Save 11% Save %
Original price $298.75
Original price $298.75 - Original price $298.75
Original price $298.75
Current price $266.99
$266.99 - $266.99
Current price $266.99

ARCO Marine Premium Replacement Universal Alternator w/Single Groove Pulley - 12V 55A [60075]

Only 3 left!

Premium Replacement Universal Alternator with Single Groove Pulley - 12V 55AReplacement alternator that will fit Yamaha, Marine Power, Crusader, R...

View full details
Original price $298.75
Original price $298.75 - Original price $298.75
Original price $298.75
Current price $266.99
$266.99 - $266.99
Current price $266.99
Save 11% Save %
Original price $521.01
Original price $521.01 - Original price $521.01
Original price $521.01
Current price $462.99
$462.99 - $462.99
Current price $462.99

ARCO Marine Premium Replacement Outboard Alternator w/Multi-Groove Pulley - 12V 50A [20850]

Only 2 left!

Premium Replacement Outboard Alternator with Multi-Groove Pulley - 12V 50AReplacement alternator that will fit 1.5L & 3.0L Mercury Outboard, 1...

View full details
Original price $521.01
Original price $521.01 - Original price $521.01
Original price $521.01
Current price $462.99
$462.99 - $462.99
Current price $462.99
Save 11% Save %
Original price $269.93
Original price $269.93 - Original price $269.93
Original price $269.93
Current price $237.99
$237.99 - $237.99
Current price $237.99

ARCO Marine Premium Replacement Alternator w/65mm Multi-Groove Pulley - 12V 70A [20800]

Only 2 left!

Premium Replacement Alternator with 65mm Multi-Groove Pulley - 12V 70AReplacement alternator that will fit Mercruiser 4.3L - 8.2L, 1998-Up, 12 Vol...

View full details
Original price $269.93
Original price $269.93 - Original price $269.93
Original price $269.93
Current price $237.99
$237.99 - $237.99
Current price $237.99
Save 12% Save %
Original price $322.97
Original price $322.97 - Original price $322.97
Original price $322.97
Current price $287.99
$287.99 - $287.99
Current price $287.99

ARCO Marine Premium Replacement Inboard Alternator w/55mm Multi-Groove Pulley - 12V 65A [60073]

Only 2 left!

Premium Replacement Inboard Alternator with 55mm Multi-Groove Pulley - 12V 65AReplacement alternator that will fit Late model Volvo Penta, 12 Volt...

View full details
Original price $322.97
Original price $322.97 - Original price $322.97
Original price $322.97
Current price $287.99
$287.99 - $287.99
Current price $287.99
Save 11% Save %
Original price $311.28
Original price $311.28 - Original price $311.28
Original price $311.28
Current price $277.99
$277.99 - $277.99
Current price $277.99

ARCO Marine Premium Replacement Inboard Alternator w/Single Groove Pulley - 12V 55A [60125]

Only 2 left!

Premium Replacement Inboard Alternator with Single Groove Pulley - 12V 55AReplacement alternator that will fit O.M.C. Cobra., Prestolite/Motorola,...

View full details
Original price $311.28
Original price $311.28 - Original price $311.28
Original price $311.28
Current price $277.99
$277.99 - $277.99
Current price $277.99
Save 11% Save %
Original price $275.18
Original price $275.18 - Original price $275.18
Original price $275.18
Current price $244.99
$244.99 - $244.99
Current price $244.99

ARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V, 55A [60050]

Only 1 left!

Premium Replacement Alternator with Single Groove Pulley - 12V, 55APremium replacement alternator that will fit late model Mercruiser, 12 Volt, 55...

View full details
Original price $275.18
Original price $275.18 - Original price $275.18
Original price $275.18
Current price $244.99
$244.99 - $244.99
Current price $244.99
Save 11% Save %
Original price $340.82
Original price $340.82 - Original price $340.82
Original price $340.82
Current price $295.99
$295.99 - $295.99
Current price $295.99

ARCO Marine Premium Replacement Alternator w/50mm Multi-Groove Pulley [20815]

Only 1 left!

Premium Replacement Alternator with 50mm Multi-Groove PulleyReplacement alternator that will fit Mercruiser 4.3L-6.2L, 12 Volt, 70 AMP, Internal F...

View full details
Original price $340.82
Original price $340.82 - Original price $340.82
Original price $340.82
Current price $295.99
$295.99 - $295.99
Current price $295.99
Save 13% Save %
Original price $1,763.69
Original price $1,763.69 - Original price $1,763.69
Original price $1,763.69
Current price $1,717.99
$1,717.99 - $1,717.99
Current price $1,717.99

Balmar Alternator 250 AMP Kit 12V 4" Dual Foot Saddle Dual Vee Pulley Regulator Temp Sensor [XT-DF4-250-DV-KIT]

Only 2 left!

Alternator 250 AMP Kit 12V 4" Dual Foot Saddle Dual Vee Pulley Regulator & Temp SensorKit Includes: XT-DF4-250-DV Alternator, MC-618 Regulator...

View full details
Original price $1,763.69
Original price $1,763.69 - Original price $1,763.69
Original price $1,763.69
Current price $1,717.99
$1,717.99 - $1,717.99
Current price $1,717.99
Save 3% Save %
Original price $904.69
Original price $904.69 - Original price $904.69
Original price $904.69
Current price $880.99
$880.99 - $880.99
Current price $880.99

Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley w/Isolated Ground [621-120-DV]

Only 3 left!

Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley with Isolated GroundAlternator, 621 Series, 120A, 12V, Spindle Mount (Single...

View full details
Original price $904.69
Original price $904.69 - Original price $904.69
Original price $904.69
Current price $880.99
$880.99 - $880.99
Current price $880.99
Save 3% Save %
Original price $1,219.39
Original price $1,219.39 - Original price $1,219.39
Original price $1,219.39
Current price $1,186.99
$1,186.99 - $1,186.99
Current price $1,186.99

Balmar Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator Temp Sensor [621-VUP-MC-120-DV]

Only 2 left!

Alternator 120 AMP 12V 1-2" Single Foot Spindle Mount Dual Vee Pulley Regulator & Temp SensorKit Includes: 621-120-DV Alternator, MC-618 Regul...

View full details
Original price $1,219.39
Original price $1,219.39 - Original price $1,219.39
Original price $1,219.39
Current price $1,186.99
$1,186.99 - $1,186.99
Current price $1,186.99
Save 3% Save %
Original price $110.29
Original price $110.29 - Original price $110.29
Original price $110.29
Current price $107.99
$107.99 - $107.99
Current price $107.99

Balmar Alternator Protection Module APM24 - 24V [APM-24]

in stock

Alternator Protection Module APM24 - 24VAlternators can be subjected to voltage spikes caused by lithium battery shutdowns, intermittent connectio...

View full details
Original price $110.29
Original price $110.29 - Original price $110.29
Original price $110.29
Current price $107.99
$107.99 - $107.99
Current price $107.99
Save 2% Save %
Original price $379.69
Original price $379.69 - Original price $379.69
Original price $379.69
Current price $368.99
$368.99 - $368.99
Current price $368.99

Balmar Max Charge MC618 Multi-Stage Regulator w/o Harness - 12V [MC-618]

Only 2 left!

Max Charge MC618 Multi-Stage Regulator without Harness - 12VBalmar's MC-618 Regulator communicates with the SG200 Battery Monitor to provide infor...

View full details
Original price $379.69
Original price $379.69 - Original price $379.69
Original price $379.69
Current price $368.99
$368.99 - $368.99
Current price $368.99
Save 3% Save %
Original price $657.29
Original price $657.29 - Original price $657.29
Original price $657.29
Current price $639.99
$639.99 - $639.99
Current price $639.99

Balmar Regulator Kit f/Valeo w/MC-618 [MC-618-VL-01]

Only 3 left!

Regulator Kit for Valeo with MC-618Balmar's MC-618 Regulator communicates with the SG200 Battery Monitor to provide information to the SG200 Color...

View full details
Original price $657.29
Original price $657.29 - Original price $657.29
Original price $657.29
Current price $639.99
$639.99 - $639.99
Current price $639.99
Save 3% Save %
Original price $1,219.39
Original price $1,219.39 - Original price $1,219.39
Original price $1,219.39
Current price $1,186.99
$1,186.99 - $1,186.99
Current price $1,186.99

Balmar 621 Series 120A Kit w/MC-618 Regulator, T-Sensor, K6 Pulley, Single Foot Mounting Hardware [621-VUP-MC-120-K6]

Only 2 left!

621 Series 120A Kit with MC-618 Regulator, T-Sensor, K6 Pulley, Single Foot & Mounting HardwareKit Includes:  621-120-K6 Alternator MC-618 Reg...

View full details
Original price $1,219.39
Original price $1,219.39 - Original price $1,219.39
Original price $1,219.39
Current price $1,186.99
$1,186.99 - $1,186.99
Current price $1,186.99
Save 3% Save %
Original price $1,124.89
Original price $1,124.89 - Original price $1,124.89
Original price $1,124.89
Current price $1,094.99
$1,094.99 - $1,094.99
Current price $1,094.99

Balmar Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [60-YP-MC-100-J10]

Only 2 left!

Alternator 100 AMP Kit 12V 3.15" Dual Foot Saddle J10 Pulley Regulator & Temp SensorKit Includes: a 60-100-J10 Alternator, MC-618 Regulator, T...

View full details
Original price $1,124.89
Original price $1,124.89 - Original price $1,124.89
Original price $1,124.89
Current price $1,094.99
$1,094.99 - $1,094.99
Current price $1,094.99
Save 3% Save %
Original price $66.19
Original price $66.19 - Original price $66.19
Original price $66.19
Current price $64.99
$64.99 - $64.99
Current price $64.99

Balmar Temp Sensor Battery - 30 [MC-TS-B30]

Only 2 left!

Temp Sensor Battery - 30'Temperature Sensor, Battery - 30' LengthThis product may not be returned to the original point of purchase. Please contac...

View full details
Original price $66.19
Original price $66.19 - Original price $66.19
Original price $66.19
Current price $64.99
$64.99 - $64.99
Current price $64.99
Save 2% Save %
Original price $110.29
Original price $110.29 - Original price $110.29
Original price $110.29
Current price $107.99
$107.99 - $107.99
Current price $107.99

Balmar Belt Buddy w/Universal Offset Adjustment Arm (UAA2) [UBB2]

Only 1 left!

Belt Buddy with Universal Offset Adjustment Arm (UAA2)Belt Buddy Kit; Includes the Universal Adjustment Arm (UAA2) with a 1/2" offset for mounting...

View full details
Original price $110.29
Original price $110.29 - Original price $110.29
Original price $110.29
Current price $107.99
$107.99 - $107.99
Current price $107.99
Save 2% Save %
Original price $50.79
Original price $50.79 - Original price $50.79
Original price $50.79
Current price $48.99
$48.99 - $48.99
Current price $48.99

Balmar Temperature Sensor Alternator - 80" Length [MC-TS-A80]

Only 1 left!

Temperature Sensor Alternator - 80" LengthIntended for longer runs when the standard 54" Alternator Temp Sensor (PN: MC-TS-A) is insufficient.This...

View full details
Original price $50.79
Original price $50.79 - Original price $50.79
Original price $50.79
Current price $48.99
$48.99 - $48.99
Current price $48.99
Save 4% Save %
Original price $402.69
Original price $402.69 - Original price $402.69
Original price $402.69
Current price $391.99
$391.99 - $391.99
Current price $391.99

Balmar Max Charge MC-618 Regulator 12V w/Harness Multi-Stage [MC-618-H]

Only 4 left!

Max Charge MC-618 Regulator 12V with Harness Multi-StageThe MC-618-H premium 12-volt multi-stage voltage regulator provides the ultimate in chargi...

View full details
Original price $402.69
Original price $402.69 - Original price $402.69
Original price $402.69
Current price $391.99
$391.99 - $391.99
Current price $391.99
Save 3% Save %
Original price $1,219.39
Original price $1,219.39 - Original price $1,219.39
Original price $1,219.39
Current price $1,186.99
$1,186.99 - $1,186.99
Current price $1,186.99

Balmar Alternator 120 AMP 12V 3.15" Dual Foot Saddle K6 Pulley Regulator Temp Sensor [60-YP-MC-120-K6]

Only 2 left!

Alternator 120 AMP 12V 3.15" Dual Foot Saddle K6 Pulley Regulator & Temp SensorKit Includes: a 60-120-K6 Alternator, MC-618 Regulator, Tempera...

View full details
Original price $1,219.39
Original price $1,219.39 - Original price $1,219.39
Original price $1,219.39
Current price $1,186.99
$1,186.99 - $1,186.99
Current price $1,186.99
Save 3% Save %
Original price $1,219.39
Original price $1,219.39 - Original price $1,219.39
Original price $1,219.39
Current price $1,186.99
$1,186.99 - $1,186.99
Current price $1,186.99

Balmar Alternator 120 AMP Kit 120V 3.15" Dual Foot Saddle J10 Pulley Regulator Temp Sensor [60-YP-MC-120-J10]

Only 2 left!

Alternator 120 AMP Kit 120V 3.15" Dual Foot Saddle J10 Pulley Regulator & Temp SensorKit Includes: a 60-120-J10 Alternator, MC-618 Regulator, ...

View full details
Original price $1,219.39
Original price $1,219.39 - Original price $1,219.39
Original price $1,219.39
Current price $1,186.99
$1,186.99 - $1,186.99
Current price $1,186.99
Save 3% Save %
Original price $272.19
Original price $272.19 - Original price $272.19
Original price $272.19
Current price $265.99
$265.99 - $265.99
Current price $265.99

Balmar Centerfielder II 12/24V w/Wires - 2 Engines, 1 Bank [CFII-12/24]

Only 2 left!

Centerfielder II 12/24V with Wires - 2 Engines, 1 BankCenterfielder II, 12/24V, with WiresFor Managing Twin Engine Charging to a Single Battery Ba...

View full details
Original price $272.19
Original price $272.19 - Original price $272.19
Original price $272.19
Current price $265.99
$265.99 - $265.99
Current price $265.99
Save 2% Save %

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare