1 years
China
Certification: ISO9001 factory production; CE documents available upon request
Real Product Photos: Spark plug full‑unit view, electrode close‑up, marine engine application reference picture
This standard aftermarket marine spark plug B7HS‑10 (2129) serves as a reliable interchangeable spare cross‑replacing Champion L77J2, Denso TR2210, Bosch 0242245517 and Brisk N14C‑1.
Constructed with anti‑corrosion metal shell and wear‑resistant electrode material. This standard spark plug delivers steady ignition output, excellent heat dissipation and strong anti‑fouling performance, perfectly adapting to humid and salt‑spray marine operating conditions. It provides consistent spark energy to support complete and efficient combustion inside engine cylinders.
As a vital ignition component fitted into combustion chambers, it generates stable spark to ignite fuel‑air mixture. Proper spark‑plug condition effectively reduces misfire, rough idle, power hesitation and hard‑starting troubles, maintaining smooth engine running during on‑water operation.
NGK B7HS-10 replacement spark plugs
ACDelco 42F
Autolite 4092
Autolite 4093
Autolite XS4093
Beck Arnley 176-5006
Bosch 0241245580
Bosch 0242245517
Bosch W4AC
Bosch W5AC
Bosch WR5AC
Bosch WR5AP
Brisk N14C-1
Champion L77J2
Champion L77J4
Champion L77JC4
Champion L82C
Champion L82YC
Champion OE038
Champion stk 811
Champion stk 821
Denso 5379
Denso 6052
Denso IWF22
Denso TR22-10
Denso TR2210
Denso W27FS-U10
Denso stk 6028
Denso stk 6052
General Motors 5612871
Mercruiser 33-41263B
Mercruiser 33-41263M
Mercury 41263B
Mercury 41263M
Motorcraft AE2C
Napa X531
NGK stk 2129
OMC 502194
Prestolite 1,40E+003
Splitfire SF263D
Suzuki 09482-00269
Suzuki 09482-00532
XL E7C-10
Yamaha 94701 00217
Yamaha 94701-00217
Yamaha 9470100217
Yamaha 94702-00217
Yamaha 94702-00217-1
Yamaha 94703-00217