★★★★★ 5
good replacement
good
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Reviewed in the United States on February 28, 2026
MERC MANI,140HP(49#)MERC MANI,140HP(49#) Direct replacement water cooled exhaust manifold. Replaces MerCruiser part number 52390A1. For serial number 3332138 and up. Manifold includes all plugs, gaskets and mounting hardware to head. REPLACES: 52390A1 Mercury Marine 96705A1 Mercury Marine 18 1955 SIERRA
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Your MERC MANI,140HP(49#) orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- 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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★★★★★ 5
Seal
Perfect, worked great!
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Reviewed in the United States on June 4, 2025
★★★★★ 5
Great
Great
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Reviewed in the United States on August 5, 2025
★★★★★ 5
Perfect
Perfect fit on my gen 1 out drive
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Reviewed in the United States on December 21, 2024
★★★★★ 5
Good quality
Oem fitment great quality vs oem
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Reviewed in the United States on September 4, 2023
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