Skip to the beginning of the images gallery

Sierra Premium Marine Spark Plug Wire, Set, 18-8804-1

Name: Sierra Premium Marine Spark Plug Wire, Set, 18-8804-1
Brand: Sierra
SKU: JMS149779
Price: 94.99 USD
Availability: InStock

Part # 18-8804-1 JMS SKU JMS149779 UPC 808282194338

$94.99

145 in stock

Ships within 1–2 days

Need several, or a formal quote? Send us a message.

Ships from U.S. warehouses. Shipping cost is shown at checkout.
30-day returns on new, unused items in original packaging. Return policy
Not sure it fits? Call (832) 308-3163, Mon–Thu 9–5, Fri 9–2 Central.
Secure checkout with all major credit cards.

Government customer? This item is on our GSA Schedule. Sign in to the GSA Customer Area for contract pricing, PDF quotes and SmartPay checkout.

Description

This Sierra premium marine spark plug wire set is for 8 cylinder Mercruiser engines with Thunderbolt ignition. Listed engines include the 260 TR, 305, 350, 454, 5.7L and 7.4L.

Features

Magnetic Suppression Core manufactured for your specific application.
Kevlar® core for maximum durability and long life
Durable stainless steel wound conductor for maximum horsepower and engine performance
Premium silicone jacketing and boots for the ultimate in high temperature protection
Superior RFI suppression for the most sensitive electronic system
Corrosion resistant stainless steel spark plug and distributor terminals for maximum conductivity
OE style boots provide a sealed barrier against heat, dirt and moisture
Thunderbolt type ignition

Specifications

Application: Mercruiser 260 TR, 305 LH & RH, 320 EFI, 330 TR, 350 LH & RH, 350 MAG, 420, 454 & 454 MAG, 5.0L, 5.7L, 7.4L
Engine: 8 cylinder, Thunderbolt ignition
OEM numbers: Mercruiser 84-816761Q4, 84-816761Q3, 84-816608Q61
Manufacturer part number: 18-8804-1