Sold out -20% sale
Sierra Alternator #18-5975
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Sierra Sierra Alternator #18-5975 $369.73 $461.46
Sierra 18-5975 AlternatorsAlternatorCharging System: AlternatorSierra Alternator #18-5975Normalized SKU: 185975UPC Code: 808282112295
Sold out -20% sale
Sierra Not Qualified for Free Shipping Sierra Alternator #18-5976
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Sierra Sierra Alternator #18-5976 $525.48 $655.87
Sierra 18-5976 AlternatorsAlternatorOEM Interchange:MOTOROLA: 510-802MOTOROLA: 510-821MOTOROLA: 510-835MOTOROLA: 510-836MOTOROLA: 510-856MOTOROLA: 510-861MOTOROLA: 510-863MOTOROLA: 9AR3743GVALEO: 2937430Charging System: AlternatorSierra Alternator #18-5976Normalized SKU: 185976UPC Code: 808282112271
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Alternator Bracket #18-5978
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Sierra Sierra Alternator Bracket #18-5978 $11.18 $13.34
Sierra 18-5978 AlternatorsAlternator BracketOEM Interchange:MERCURY MARINE: 47487TCharging System: AlternatorSierra Alternator Bracket #18-5978Normalized SKU: 185978UPC Code: 808282122508
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Alternator #18-5967
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Sierra Sierra Alternator #18-5967 $200.01 $254.02
Sierra 18-5967 AlternatorsAlternatorOEM Interchange:MERCURY MARINE: 807652TCharging System: AlternatorSierra Alternator #18-5967Normalized SKU: 185967UPC Code: 808282244538
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Alternator #18-5966
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Sierra Sierra Alternator #18-5966 $178.09 $226.18
Sierra 18-5966 AlternatorsAlternatorOEM Interchange:MERCURY MARINE: 12449A1MERCURY MARINE: 817119A4Charging System: AlternatorSierra Alternator #18-5966Normalized SKU: 185966UPC Code: 808282244521
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Alternator Bracket #18-5968
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Sierra Sierra Alternator Bracket #18-5968 $312.57 $396.98
Sierra 18-5968 AlternatorsAlternator BracketCharging System: AlternatorSierra Alternator Bracket #18-5968Normalized SKU: 185968UPC Code: 030999976758
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Alternator #18-5959
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Sierra Sierra Alternator #18-5959 $70.73 $84.87
Sierra 18-5959 AlternatorsAlternatorOEM Interchange:VALEO: A13N147MVALEO: A13N148MVALEO: A13N1MVALEO: A13N2MVOLVO: 826495VOLVO: 834609VOLVO: 834963VOLVO: 841762VOLVO: 841765VOLVO: 841766Charging System: AlternatorSierra Alternator #18-5959Normalized SKU: 185959UPC Code: 808282112400
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Alternator #18-5957
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Sierra Sierra Alternator #18-5957 $179.46 $227.92
Sierra 18-5957 Alternators Alternator OEM Interchange:MERCURY MARINE: 78403A2MERCURY MARINE: 78477MERCURY MARINE: 92497A3OMC: 982364OMC: 983424OMC: 983836OMC: 985466OMC: 986008PLEASURECRAFT: RA097002PLEASURECRAFT: RA097003PLEASURECRAFT: RA097006VOLVO: 3867069 Charging System: Alternator Sierra Alternator #18-5957 Normalized SKU: 185957UPC Code: 030999622228
-22% sale
Sierra Not Qualified for Free Shipping Sierra Alternator #18-5960
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Sierra Sierra Alternator #18-5960 $300.55 $381.72
Sierra 18-5960 AlternatorsAlternatorOEM Interchange:MERCURY MARINE: 807653TCharging System: AlternatorSierra Alternator #18-5960Normalized SKU: 185960UPC Code: 808282244514
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Alternator #18-5954
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Sierra Sierra Alternator #18-5954 $256.61 $325.92
Sierra 18-5954 AlternatorsAlternatorOEM Interchange:CHRYSLER INBOARD: 3527501CHRYSLER INBOARD: 3527502CHRYSLER INBOARD: 3744870Charging System: AlternatorSierra Alternator #18-5954Normalized SKU: 185954UPC Code: 030999622204
-17% sale
Sierra Not Qualified for Free Shipping Sierra Alternator Conversion Kit #18-5953-1
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Sierra Sierra Alternator Conversion Kit #18-5953-1 $1,026.04 $1,231.25
Sierra 18-5953-1 AlternatorsAlternator Conversion KitCharging System: AlternatorSierra Alternator Conversion Kit #18-5953-1Normalized SKU: 1859531UPC Code: 808282228088
Sold out -17% sale
Sierra Alternator #18-5946
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Sierra Sierra Alternator #18-5946 $16.93 $20.20
Sierra 18-5946 AlternatorsAlternatorCharging System: AlternatorSierra Alternator #18-5946Normalized SKU: 185946UPC Code: 808282237455
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Alternator #18-5956
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Sierra Sierra Alternator #18-5956 $171.24 $217.48
Sierra 18-5956 AlternatorsAlternatorOEM Interchange:MERCURY MARINE: 69729Charging System: AlternatorSierra Alternator #18-5956Normalized SKU: 185956UPC Code: 030999622211
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Alternator #18-5945
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Sierra Sierra Alternator #18-5945 $143.22 $181.90
Sierra 18-5945 AlternatorsAlternatorCharging System: AlternatorSierra Alternator #18-5945Normalized SKU: 185945UPC Code: 808282359232
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Alternator #18-5939
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Sierra Sierra Alternator #18-5939 $64.16 $76.99
Sierra 18-5939 AlternatorsAlternatorOEM Interchange:VALEO: 2541451VALEO: A13N234VOLVO: 3803260VOLVO: 872235Charging System: AlternatorSierra Alternator #18-5939Normalized SKU: 185939UPC Code: 808282112431
-20% sale
Sierra Not Qualified for Free Shipping Sierra Alternator #18-5943
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Sierra Sierra Alternator #18-5943 $421.78 $526.44
Sierra 18-5943 AlternatorsAlternatorOEM Interchange:VALEO: 541663VALEO: A13N259VOLVO: 3803227VOLVO: 872926Charging System: AlternatorSierra Alternator #18-5943Normalized SKU: 185943UPC Code: 808282112455
Sold out -17% sale
Sierra Alternator Voltage Regulator #18-5724
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Sierra Sierra Alternator Voltage Regulator #18-5724 $14.42 $17.21
Sierra 18-5724 AlternatorsReplaces OEM #0910599 Voltage Regulator Mercury 78385 OMC 910599 Charging System: Voltage RegulatorSierra Alternator Voltage Regulator 18-5724Normalized SKU: 185724UPC Code: 030999319685
Sold out -20% sale
Arco Not Qualified for Free Shipping Arco Alternator 12v 105a #60121
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Arco Arco Alternator 12v 105a #60121 $508.96 $635.25
Arco 60121 AlternatorsArco Alternator 12v 105a #60121Charging System: AlternatorArco Alternator 60121Normalized SKU: 60121UPC Code: 20184005180
-22% sale
Arco Qualifies for Free Shipping Arco New Alternator OMC/Volvo #60125
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Arco Arco New Alternator OMC/Volvo #60125 $253.86 $322.42
Arco 60125 AlternatorsPremium Replacement Inboard Alternator with Single Groove Pulley - 12V 55AReplacement alternator that will fit O.M.C. Cobra., Prestolite/Motorola, 12 Volt, 55 Amp, Internal regulator, Negative ground, 2-inch mounting foot, Single groove pulley included.Features: All alternators are engineered for performance and reliability All alternators are engineered and manufactured with precision and quality All alternators must meet or exceed OEM performance before being boxed Replaces:BRP-OMC Alternator 983424BRP-OMC Alternator 984565BRP-OMC Alternator 985465BRP-OMC Alternator 985466BRP-OMC Alternator 986008BRP-OMC Alternator 988247BRP-OMC Alternator 3853853BRP-OMC Alternator 3854182BRP-OMC Alternator 3854809BRP-OMC Alternator 3857298BRP-OMC Alternator 3860769VOLVO Alternator 3850927-9VOLVO Alternator 3853853-4VOLVO Alternator 3854182-7VOLVO Alternator 3854809-5VOLVO Alternator 3857298VOLVO Alternator 3860173VOLVO Alternator 857298SIERRA Alternator 18-6260SIERRA Alternator 18-6842*ARCO Assurance 12-month part and labor warranty protection Charging System: AlternatorArco New Alternator 60125Normalized SKU: 60125UPC Code: 693006001395
-22% sale
Arco Not Qualified for Free Shipping Arco Alternator Volo Penta 12v 75a #60073 Arco Not Qualified for Free Shipping Arco Alternator Volo Penta 12v 75a #60073
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Arco Arco Alternator Volo Penta 12v 75a #60073 $246.59 $313.18
Arco 60073 AlternatorsPremium Replacement Inboard Alternator with 55mm Multi-Groove Pulley - 12V 65AReplacement alternator that will fit Late model Volvo Penta, 12 Volt, 75 Amp, 50-mm multi-groove serpentine pulley included.Features: All alternators are engineered for performance and reliability All alternators are engineered and manufactured with precision and quality All alternators must meet or exceed OEM performance before being boxed Replaces:VOLVO Alternator 3862665VOLVO Alternator 3884950SIERRA Alternator 18-5882SIERRA Alternator 18-6845*ARCO Assurance 12-month part and labor warranty protection Charging System: AlternatorArco Alternator 60073Normalized SKU: 60073UPC Code: 693006009544

Frequently Asked Questions

First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!

Yes, we offer FREE Shipping on most orders over $149 to US-48*.

Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.

  • Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
  • Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
  • Hazardous Item - Not Qualified for Free Shipping: This item is hazardous and does not qualify for free shipping
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  • In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store

Below the price of the item, on the product page, there is a message indicating the availability of the product.

The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.

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If you need to return an item, please follow the guidelines here so we can process a prompt refund and assist you in finding the correct item.

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