Sierra Spark Plug Wire Kits - Spark Plug Wire SET(AP-3035) | 18-8809-1
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You have 30 days to request a return. All sale items are final sale.
Sierra Inline-Six Spark Plug Wire Set
Sierra 18-8809-1: Spark-plug wire set for selected conventional-ignition MerCruiser inline-six engines.
- Six plug leads and one coil lead
- Plug leads: two 9-inch, one 15-inch, one 22-inch and two 25-inch
- Coil lead: 13 inches
- Mercury references include 84-816761Q8 and 84-816761A8
- Brand: Sierra
- Manufacturer part #: 18-8809-1
- Sold as: EA
Parts Desk Insight
Confirm distributor terminals and routing. This inline-six set is different from the V6 and V8 sets.
Shipping information
In-stock and OEM parts: ship same or next business day.
Available items are ready for pickup or shipping between one and three days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.