SKU: 74043270914

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

$124.65 $138.50
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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For Your Every Summer RSVP, with Code: SUMMER15

Description

ARCO Marine Premium Replacement Alternator w/50mm Multi-Groove Pulley [20815]Premium Replacement Alternator with 50mm Multi Groove Pulley Replacement alternator that will fit Mercruiser 4. 3L 6. 2L, 12 Volt, 70 AMP, Internal Fan, 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 Warranty Information: When properly

Premium Replacement Alternator with 50mm Multi-Groove Pulley

Replacement alternator that will fit Mercruiser 4.3L-6.2L, 12 Volt, 70 AMP, Internal Fan, 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

Warranty Information:

When properly installed, all ARCO products are warrantied against defects in materials and workmanship for a period of 12 months for leisure use and 90 days for commercial or racing applications. 

Add an extra year of warranty to your rotating electric ARCO product (Tilt/Trim Motors, Alternators, Outboard Starters, and Inboard Starters) when you register your product within 30 days of purchase. You can register your product by visiting arcomarine.com/product-registration 

Replaces:

DELCO Alternator 19020611
DELCO Alternator 19020612
MERCURY Alternator 863077T
PLEASURECRAFT Alternator RA097007
SIERRA Alternator Alternator 18-6298
PROTORQUE Alternator PH300-0035
MPPARTS Alternator ADR0298

This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Specifications:

  • Amperage: 70A
  • Voltage: 12v
  • Box Dimensions: 8"H x 8"W x 9"L WT: 8.4 lbs
  • UPC: 693006008264

Quick Guide (pdf)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 74043270914

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4.4 ★★★★★
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JimM
Lake Worth, US
★★★★★ 5
The Perfect Hoodie for Warm Weather Comfort
Size: XX-Large, Color: Black
I've been on the lookout for something exactly like this... a hoodie with the look and feel of a sweatshirt, but without all that heavy fleece that can become uncomfortable when temperatures rise. This Amazon Essentials Lightweight Jersey Pullover Hoodie turned out to be just the solution I needed. Right out of the package, I noticed the material felt soft and airy, like a premium-quality T-shirt rather than a traditional hoodie. The lightweight fabric hits just the right balance: thin enough to remain cool and breathable, yet substantial enough to give you that hoodie vibe you're after. This makes it especially great when the weather is too warm for your thicker hoodies but still a bit too breezy for just a tee. The fit is exactly what I was hoping for... comfortable without being baggy, and relaxed enough to allow easy movement. It drapes nicely, so it never looks awkward or ill-fitting. The hood itself is perfectly sized—not overly bulky, but still practical if you need a bit of coverage. No shrinkage when washed and didn't fade. I've found this hoodie to be ideal for casual days around town, lounging, or even traveling. It layers well, making it versatile for spring, early summer evenings, or warmer fall days. If you're looking for something comfortable, lightweight, and stylish enough to pull off the hoodie look in warmer weather, this is absolutely worth picking up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 7, 2025
K
Verified Purchase
K
Waukegan, US
★★★★★ 5
My new favorite hoodie!
Size: XX-Large, Color: Charcoal Heather
I love this, this is my new go-to hoodie! It's very soft and breathable, it's roomy and comfortable, and it's not too heavy. I've washed it a few times and it's held up well. For the price, you really can't go wrong. I'll probably end up buying a couple more colors.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
J
Verified Purchase
JWM
Bozeman, US
★★★★★ 4
Sleeves are too short
Size: Large, Color: Black
Good quality about as thick as heavy t shirt. The only issue is the sleeves are a tad short which is a bit disappointing. Not sure I will buy this again. I’m 5-7 175 and ordered a large and it fits well. Just a smidge oversized like I prefer.
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Reviewed in the United States on April 7, 2026
C
Verified Purchase
Claudia Siqueiros
Charlottesville, US
★★★★★ 5
Lightweight and comfortable
Size: X-Large, Color: Black
Lightweight yet warm. Bought an XL for my husband who is 6’ 2”, weighs about 180 lbs, and has long arms. Fits a bit loose but not too big but have to size up so the length in the arms fit better. He runs warm so dislikes anything that makes him hot, so this material was great. Did not discolor or shrink in the wash, which was a bonus.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 5, 2026
I
Verified Purchase
Isaak
Belleville, US
★★★★★ 5
Great! Affordable and Soft hoody
Size: Large, Color: Medium Grey Heather
Soft and nice fitting. I wear L so it’s pretty comfortable. Affordable as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026

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