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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
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Description
Sierra Thermostat MerCruiser #1458686 18-3549Sierra Thermostat MerCruiser #1458686 18 3549 WARRANTY INFORMATION We are an authorized reseller for all products listed on our website. Please contact the manufacturer for warranty info. SPECS UPC: 808282243968 MPN: 18 3549 Description: 120 Deg Replaces: Mercury Mercruiser 14586 Fits: Mariner: 6 8 9. 9 (2 cyl.) A197112 Later Sea Pro 10 D038000 Later 15 (2 cyl.) B292414 Later 18XD 20XD 25XD B114231 Later 25 ( 2 cyl.) 25 Sea Pro B238464 Later 30 (2
Sierra Thermostat MerCruiser #1458686 18-3549
WARRANTY INFORMATION
We are an authorized reseller for all products listed on our website. Please contact the manufacturer for warranty info.
SPECS
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UPC:
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808282243968
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MPN:
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18-3549
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Description:
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120 Deg -
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Replaces:
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Mercury/Mercruiser 14586
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Fits:
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Mariner: 6 -8 -9.9 (2 cyl.) A197112 Later - Sea Pro 10 D038000 Later - 15 (2 cyl.) B292414 Later - 18XD - 20XD - 25XD B114231 Later - 25 ( 2 cyl.) 25 Sea Pro B238464 Later - 30 (2 cyl.) G055314 Later - 45 Jet - 50 - 55 - 60 (3 cyl.) G290585 Later
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.5 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Excellent quality for a good price
Size: 7.5, Color: Black
Excellent fit.
Well made...Tried them on for a bit but haven't really taken them out yet.
But they are great boots, look fantastic.
Comfortable fit.
Cheap, for what you get.
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Reviewed in the United States on May 1, 2025
★★★★★ 4
Decent value on comfortable motorcycle boot
Size: 11, Color: Black
I would give 5 stars, except I don't ever give 5. But these are 4.87. My feet don't like hard soles, but these boots are pretty comfy.
I buy "dress" boots to ride a motorcycle, long story.
My favorite was discontinued, and I dislike designer anything.
But, these weren't toooo expensive, and turns out, they're comfortable enough, good-looking, and excellent for motorcycling.
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Reviewed in the United States on December 17, 2025
★★★★★ 5
Great fit and super do
Size: 12, Color: Black
Comfortable boots and were true to size and even a little roomy. Would definitely recommend.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Worth every cent
Size: 13, Color: Black
Bought this for my husband and he loves it. It is comfortable, sizing is on point and it's good quality for the price.
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Reviewed in the United States on January 24, 2026
★★★★★ 5
Look great Love it
Size: 11.5, Color: Cognac
Nice looking !! It feel great and right size
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Reviewed in the United States on August 10, 2025