Sierra Ignition Coil 18-5113 for Yamaha Outboard 61n-85570-00, 61n-85570-10

The Sierra Ignition Coil 18-5113 is a replacement ignition coil built for Yamaha outboard engines. It is engineered to meet or exceed OE manufacturer specifications for quality and performance, making it a dependable choice when an original coil fails or is due for replacement.

This coil uses a sealed, high temperature dielectric epoxy construction that helps prevent moisture intrusion and thermal breakdown, two of the most common causes of ignition coil failure in a marine environment. Sierra builds this coil with a Straight-In or Press-Fit installation type, and it is constructed from the highest grade materials for exceptional life and performance under continuous engine vibration and heat cycling.

The coil is compact, measuring 0.39 x 0.39 x 0.39 inches and weighing 0.28 pounds, and it ships as a single ignition coil unit. It is intended for Yamaha outboard engines that use the coil identified by the numbers below, so confirm your existing coil's number matches before ordering.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-5113
• Product Type: Ignition Coil
• Installation Type: Straight-In or Press-Fit
• Dimensions: 0.39 x 0.39 x 0.39 inches
• Weight: 0.28 pounds
• UPC: 808282339340
• Material: High temperature dielectric epoxy (sealed)
• Fitment: Yamaha Outboard
• OEM Cross Reference: 61n-85570-00, 61n-85570-10

Fitment

• Yamaha Outboard

Replaces (OEM)

• 61n-85570-00
• 61n-85570-10

Frequently Asked Questions

What is the part number for this Sierra ignition coil? The part number is 18-5113, and it also cross-references to Yamaha outboard numbers 61n-85570-00 and 61n-85570-10.

Will this ignition coil fit my Yamaha outboard? Sierra Ignition Coil 18-5113 is built for Yamaha outboard engines that use coil numbers 61n-85570-00 or 61n-85570-10, so check your existing coil against those numbers to confirm a match.

Is 18-5113 the same as OEM Yamaha coils 61n-85570-00 and 61n-85570-10? Yes, Sierra 18-5113 is designed as a replacement for Yamaha outboard coils 61n-85570-00 and 61n-85570-10, engineered to meet or exceed OE specifications.

How much does this ignition coil weigh? The Sierra 18-5113 ignition coil weighs 0.28 pounds.

What are the dimensions of this coil? This ignition coil measures 0.39 x 0.39 x 0.39 inches.

What material is the coil made from? It is a sealed coil constructed with a high temperature dielectric epoxy that helps resist moisture intrusion and thermal breakdown.

How is this ignition coil installed? The 18-5113 uses a Straight-In or Press-Fit installation type.

Is this a genuine Sierra part or an aftermarket copy? This is a genuine Sierra part, number 18-5113, engineered to meet or exceed original equipment manufacturer specifications rather than being a generic aftermarket clone.

What comes in the box with this coil? The package includes one Sierra 18-5113 ignition coil.

Why would I need to replace an ignition coil like the 18-5113? Ignition coils degrade over time from heat and vibration, and a failing coil can cause misfires or hard starting; the sealed epoxy construction of the 18-5113 is designed to extend service life against those conditions.

Does the 18-5113 carry a warranty? Yes, Sierra Ignition Coil 18-5113 is backed by Sierra's warranty coverage.