Product reviews for Sierra MerCruiser Thunderbolt Spark Plug Wire Set
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Existing reviews
Great prices!!! Top Macdonald's Defender!
From:
Cj H
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Date:
10/16/2026 6:57 PM
Shopping was super easy!
From:
Tinman327
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Date:
10/14/2026 4:43 PM
Was fine
From:
Tracy P
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Date:
10/2/2026 6:40 PM
Haven't installed the product yet so I really can't honestly say that im totally satisfied yet but it appears to be a solid product
From:
Ralph E
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Date:
9/23/2026 9:22 PM
Extra Fees are high. Confirming my experience BEFORE I receive the order is deceptive.
From:
Kim A
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Date:
9/4/2026 9:36 PM
Thanks!
From:
Patrick S
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Date:
4/4/2026 5:11 PM