CDI Electronics, Official UK & Eire Sales and Distribution with Engine Room Marine Parts

Mercruiser V8 (Thunderbolt) Spark Wire Set 631-0004

£47.00

Price excludes VAT

Maximum Performance Spark Plug Wire for high output applications requiring EMI/RFI suppression for radios and onboard electronics.

Fits the following models with a Thunderbolt IV & V Ignition

  • 200 305 / V-8 1985-87 6899058 - 0B774444
  • 228 305 / V-8 1983-84 6218462 - 6899268
  • 230 305 / V-8 1985-87 6899869 - 0B773739
  • 230 MIE (LH) 305 / V-8 1981-87 5907058 - 0B788151
  • 230 MIE (RH) 305 / V-8 1981-87 5907058 - 0B788151
  • 5.0L 305 / V-8 1988-95 0B774445 - 0F600999
  • 5.0L Alpha 305 / V-8 1998-Up 0L015751 & Up
  • 5.0L Bravo 305 / V-8 1998-Up 0L015751 & Up
  • 898 305 / V-8 1983-84 6218462 - 6899057
  • 260 350 / V-8 1982-87 6218462 - 0B773304
  • 260 MIE (LH) 350 / V-8 1981-86 5907058 - 0B788151
  • 260 MIE (RH) 350 / V-8 1981-86 5907058 - 0B788151
  • 300 350 / V-8 1985-86 6668677 - 0B430367
  • 320 EFI 350 / V-8 1987-89 0A543604 - 0C622418
  • 350 Mag Alpha 350 / V-8 1986-94 0A635178 - 0F353690
  • 350 Mag Alpha 350 / V-8 1995-97 0F353691 - 0K999999
  • 350 Mag Alpha EFI 350 / V-8 Delco HEI 1996-97 0F800300 - 0K999999
  • 350 Mag Ski 350 / V-8 1991-96 0D505450 - 0K040399
  • 350 Mag Ski 350 / V-8 1997 0D505450 - 0K999999
  • 5.7L Alpha 350 / V-8 1988-95 0B773305 - 0F600999
  • 5.7L Alpha (2bbl) 350 / V-8 1996-97 0F601000 - 0K999999
  • 5.7L Alpha 350 / V-8 1998-Up 0L010037 & Up
  • 5.7L Bravo 350 / V-8 1988-93 0B773305 - 0F353524
  • 5.7L Bravo 350 / V-8 1994-Up 0F353525 & Up
  • 5.7L MIE 350 / V-8 1988-95 0B788152 - 0F746099
  • 5.7L MIE 350 / V-8 1996-97 0F622100 - 0K999999
  • 5.7 Ski 350 / V-8 1996-97 0F775200 - 0K999999
  • 5.7LX Alpha & Bravo 350 / V-8 1996-97 0F601000 - 0K999999

  • Replaces: 84-813720A4, 84-813720A3, 84-816761Q3, 84-816608Q61, 84-816761A4, 84-813720A2, 84-816761Q4


  • 8mm
  • Kevlar Core
  • More Spark Energy
  • Better EMI Suppression
  • Higher Dielectric Strength