Sierra Ignition Wire Term.Mc20121 And 18-5224
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- 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.
Description
The Sierra Premium Marine Spark Plug Wire Set is made for 2.5L and 3.0L 4 cylinder engines with conventional ignition. The supplier lists applications from Flagship, Indmar, Marine Power, Mastercraft, Mercruiser and OMC Sterndrive/Cobra.
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: Flagship, Indmar, Marine Power & Mastercraft - 181, 3.0L, 4 cylinder, conventional ignition. Mercruiser - 120, 140 hp, 2.5L & 3.0L 4 cylinder, conventional ignition. OMC Sterndrive/Cobra - 100 ('72-'73), 110 ('64), 120 ('65-'74), 140 FF & R model ('73-'74), 140 R1 model only ('74-'81) & 140 Jet ('73), 2.5L ('82-'86) & 3.0L ('82-'90), 4 cylinder, conventional ignition
- OEM Number: Mercruiser: 84-813720A5, 84-916761Q5 OMC: 503748
- Manufacturer part number: 18-8800-1
Specifications
- Brand
- Sierra
- Manufacturer part #
- 18-8800-1
- JMS SKU
- JMS149775
- UPC
- 808282194307
- Shipping weight
- 0.77 lb
Shipping
Most orders ship within 1–2 days from U.S. warehouses. You'll see the shipping cost and choose a method at checkout.
Returns
Return new, unused items in original packaging within 30 days. Defective items after 30 days follow the manufacturer's warranty. Return policy
Questions
Call (832) 308-3163 or send us a message. Have your boat's make, model and year handy.



