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

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

Marsoni

M251S

$155.00

Get it in 3 business days with 1 day shipping. Friday, May 29

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

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Fast: 2-3 business days
Express: 1-2 business days

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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]
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I ordered this Engine Coolant Hose (part #11537545890) for my 2006 BMW 330xi as part of a comprehensive cooling system overhaul. Along with this hose, I had my mechanic replace the thermostat, water pump, radiator, expansion tank, and all other related hoses. This hose fit exactly as expected—no issues during installation. It’s been three weeks since the job was completed, and everything is performing flawlessly. No leaks, no warning lights, and the engine temperature remains stable under all driving conditions. Although this is not a genuine OEM part, the quality appears solid and it matched up perfectly with the original in terms of length, shape, and connector alignment. For anyone looking to refresh their aging BMW’s cooling system, this hose is a reliable and cost-effective option. Just be sure to verify the part number for compatibility before purchasing. Highly recommended if you’re doing preventive maintenance or replacing a failed hose as part of a larger cooling system repair.

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Reviewed in the United States on August 3, 2025

Verified Purchase

E. E. Saulsberry

Lexington, US

★★★★★ 5

Fit perfectly

Style: One Piece

Pops right in. Perfect fit and undistinguishable from the original.

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Reviewed in the United States on May 5, 2026