Thunderbolt Big Block Spark Plug Wire Set

Thunderbolt Big Block Spark Plug Wire Set

Brand: Sierra SKU: SIERRA-18-8804-1
MSRP: $67.16
Quantity: 12

Sierra 8mm ignition wire set fits Mercruiser 454 and 502 CID marine engines with Thunderbolt distributors.

Warehouse Available
Michigan 5
Tennessee 0
Wisconsin 2
Ohio 3
Florida 2


  • Thunderbolt big block plug wire set
  • Fits Mercruiser 454 and 502 cu. in. marine engines from 1982-98 with Thunderbolt ignition systems
  • 90 degrees female boot at distributor and spark plug ends
  • 12 in. coil wire
  • Durable stainless steel wound conductor for maximum horsepower and engine performance
  • 8mm blue premium silicone jacketing for the ultimate in high temperature protection
  • Superior RFI suppression for the most sensitive electronic system
  • Corrosion resistant stainless steel plug and distributor terminals for maximum conductivity
  • Replaces Mercury 84-43376A2, 84-816608Q61, 84-42841A5, 84-43376A14, 84-43376A1, 84-43376A2, 84-813720A2,84-816761A15, 84-816608A61
  • Replaces Mallory 9-28001, 9-28002
  • Replaces Sierra 18-8804
Additional Information

Additional Information

Application No
Manufacturer Part No. 18-8804-1
Weight 5.0000
Brand Sierra
Ships free when order qualifies Yes
Hazmat Fee N/A
Notice N/A