NGK BPR6EFS spark plug

These spark plugs are suitable for the following models, among others:
Mercruiser

• 4 cyl. 3.0L CID serial no. from OL010042
• 4 cyl. 3.0LX
• 6 cyl. 262 MAG EFI Gen+ serial no. OF803800 - OL00000
• 6 cyl. 4.3L EFI Gen+ serial no. from OL012009
• 6 cyl. 4.3L GEN+ Serial no. from OL010065
• 6 cyl. 4.3LH EFI Gen+ Serial no. from OL010044
• 6 cyl. 4.3LX/LXH Gen+ serial no. OF803000 - OL00000
• 8 cyl. 5.0L EFI Gen+ serial no. from OL015751
• 8 cyl. 5.0L MPI 2002+
• 8 cyl. 5.7L EFI Gen+ Serial no. from OL010035
• 8 cyl. 5.7L GEN+ serial no. from OL010037
• 8 cyl. 5.7LX EFI GEN+
• 8 cyl. 350 MAG EFI GEN+ Serial no. from OF800500
• 8 cyl. MX 6.2 MPI Serial no. up to OM320613
• 8 cyl. Scorpìón Serial no. from OL416146
• 8 cyl. 233
• 8 cyl. 255 Serial no. from 4175499
• 8 cyl. 888 Serial no. from 4169597
• 8 cyl. 7.4L MPI(L29)

Volvo Penta AQ

• 4.3L Gi EFI (Rochester .708)
• 4.3L GL 2 bbl, 4.3L GS 4 bbl
• 5.0L Gi,GL Gen 1+
• 5.7L GS, GSi Gen 1+
• 5.7L FSi EFI HO
• 7.4L Gi EFI, Gi L29

Volvo Penta PJX Water Jet

• 4.3L Gi EFI
• 4.3L GS 4 bbl

Volvo Penta SX and Cobra

• 3.0L GS 2 bbl
• 4.3L Gi EFI (Rochester .708)
• 4.3L GL 2 bbl
• 4.3L GS 4 bbl
• 5.0L Gi Gen 1+
• 5.0L GL Gen 1+
• 5.7L GS Gen 1+
• 5.7L GSi Gen 1+
• 5.8L FSi EFI HO
• 7.4L Gi L29

• Thread diameter: 14 mm
• Thread length: 17.5
• Electrode gap: 0.8 mm

Replaces the following manufacturer ref. no.

• Mercruiser 33-401, 33-816336Q, 401, 816336, 816336Q, 83498813, 854278
• Volvo 3551857, 3851857, 3851866, 3854399, 3858476
• NGK TR4
• OMC/Johnson/Evinrude 0502181, 3858476
• Champion 401, RS12YC
• Delco MR43LTS