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12V 85A Alternator Fits 2018-Up Mercury 300 V8 Seapro Motor

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312368A8
MERCURY MARINE PART NUMBERS:
• 8M0205479
• 8M0142248
• 8M6005723
• 8M6010550

SAME MERCURY NUMBERS WITH THE 50 PREFIX:
• 50-8M0205479, 508M0205479
• 50-8M0142248, 508M0142248
• 50-8M6005723, 508M6005723
• 50-8M6010550, 508M6010550

DELCO REMY PART NUMBERS:
• 8600766

SPECIFICATIONS:
• Type: Alternator
• OE Manufacturer: Delco
• Family: Delco 8SI
• Voltage: 12 Volt
• Amperage Rating: 85 Amp
• Regulator Type: Internal
• Fan Type: Internal
• Plug Orientation: Side
• Ground Type: Negative
• Pulley Belt Type: Serpentine
• Pulley Groove Quantity: 5
• Mounting Bolt Hole Quantity: 4
• Condition: New Aftermarket

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals such as Lead, Carbon Black, Silica, Crystalline which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Was: $594.83
Sale: $339.90
Save: 43%
Save: $254.93
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Description

MERCURY 3.4L V6 FOURSTROKE, SERIAL 2B529482 AND UP:
• Mercury 175 V6 FourStroke
• Mercury 175 V6 Pro XS FourStroke
• Mercury 200 V6 FourStroke
• Mercury 200 V6 Pro XS FourStroke
• Mercury 200 V6 SeaPro FourStroke
• Mercury 225 V6 FourStroke

MERCURY 4.6L V8 FOURSTROKE, SERIAL 2B529482 AND UP:
• Mercury 200 V8 Pro XS FourStroke
• Mercury 225 V8 Pro XS FourStroke
• Mercury 225 V8 SeaPro FourStroke
• Mercury 250 V8 FourStroke
• Mercury 250 V8 Pro XS FourStroke
• Mercury 250 V8 SeaPro FourStroke
• Mercury 300 V8 FourStroke
• Mercury 300 V8 Pro XS FourStroke
• Mercury 300 V8 SeaPro FourStroke

MERCURY RACING AND APEX:
• Mercury 250R 4.6L V8 Racing, serial 1E080500 and up
• Mercury 300R V8 Racing, serial 1E080500 and up
• Mercury 300R V8 CMS Racing, serial 1E080500 and up
• Mercury 150R V6 Racing, serial 3B547096 and up
• Mercury 200R V6, serial 3B547096 and up
• Mercury 200 APEX V6 and 360 APEX V8

ALSO SOLD AS MARINER AND QUICKSILVER:
• The same powerheads are branded Mariner in some markets
• Quicksilver boxes this alternator as 8M6005723 and 8M6010550
• Mercury numbers appear as 8M0205479 and 50-8M0205479
• The 508M0205479 spelling is the same number without the dash
• Delco Remy builds it and catalogs it as 8600766

THE SUPERSESSION CHAIN, ALL ONE ALTERNATOR:
• 8M0142248 was the original Mercury number
• 8M0205479 replaced it and is current today
• 8M6005723 and 8M6010550 are the Quicksilver service numbers
• Delco Remy 8600766 is the same unit under the builder's number

85 AMP AGAINST 115 AMP, THE REAL SPLIT:
• Mercury offered two alternators across this whole engine range
• This listing is the 85 amp build, the standard fitment
• Many 250 and 300 Verado and AMS engines carry a 115 amp unit
• The 115 amp unit was also a factory option on most models
• The model name does not decide it, the amp rating does
• Read the rating off the old alternator before you order

HOW TO VERIFY FIT:
• Confirm the old unit reads 85 amps, not 115 amps
• Count the pulley grooves, this unit has 5 on a serpentine belt
• Confirm 4 mounting bolt holes and a side plug
• Confirm the regulator and fan are both internal
• Read the engine serial number off the transom bracket
• Supercharged Verado L4 and L6 engines take a different unit

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Shipping Information

  • Item Requires Shipping
  • 12.0 lbs.
  • W10.0000” x H10.0000” x L10.0000”
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