MERCRUISER
Ignition System
Spark
Contact
Dist.
Tune-Up
Electronic
Plug
Model
CYL
Year
Serial #
Set
Condenser
Rotor
Cap
Coil
Kit
Distributor
Conv. Kit
Wires
18-5498-1 ➍✜
5.7L SKI
V8
1987-95
0B514627-0F775199 ✱
N/A
N/A
18-5494-1 ➌✜ N/A
18-8821-1
18-5498-1 ➍✜
5.7L SKI
V8
1998-2001
0L002005 & up
N/A
N/A
18-5494-1 ➌✜ N/A
18-8821-1
➉
18-5498-1 ➍✜
5.7L MIE & SKI
V8
1998 & up
OL002003 & up
N/A
N/A
N/A
N/A
18-8830-1
5.7LX & BRAVO
V8
1996-2001
0F752400-0K999999 ➓
N/A
N/A
18-5494-1 ➌✜ N/A
18-8836-1
EFI + (Gen+)
18-5498-1 ➍✜
350 MAG ALPHA
V8
1996-97
0F800300-0K999999 ➋
N/A
N/A
18-5494-1 ➌✜ N/A
18-8836-1
EFI(Gen+)
18-5498-1 ➍✜
350MAG BRAVO
V8
1995-98
0F415189-0L325952 ➋
N/A
N/A
18-5494-1 ➌✜ N/A
18-8836-1
MPI &(Gen+)
18-5498-1 ➍✜
350MAG MPI MIE
V8
1998
0L002008-0L302199 ➋
N/A
N/A
18-5494-1 ➌✜ N/A
18-8832-1
(Gen+)
18-5498-1 ➍✜
350MAG MPI MIE
V8
1998-2001
OL302200-OM299999
N/A
N/A
N/A
NA
18-8834-1
➃
(Gen+)
350 MAG MPI MIE
V8
2001 & Up
OM300000 & Up
N/A
N/A
N/A
N/A
NA
18-8828-1
350MAG EFI SKI
V8
1994-96
0F215561-0F820706 ➋
N/A
N/A
18-5494-1 ➌✜ N/A
18-8832-1
18-5498-1 ➍✜
350MAG EFI SKI
V8
1996-97
0F820707-0K999999 ➋
N/A
N/A
18-5494-1 ➌✜ N/A
18-8832-1
&(Gen+)
18-5498-1 ➍✜
350MAG MPI SKI
V8
1995-98
0F350583-0L304599 ➋
N/A
N/A
18-5494-1 ➌✜ N/A
18-8836-1
&(Gen+)
18-5498-1 ➍✜
BLACK SCORPION
V8
1996
0F800000-0K040000 ➋
N/A
N/A
18-5494-1 ➌✜ N/A
18-8832-1
SKI(Gen+) (350cid)
18-5498-1 ➍✜
BLACK SCORPION
V8
1997-98
0K040001-0L005600 ➋
N/A
N/A
18-5494-1 ➌✜ N/A
18-8824-1
SKI(Gen+) (350cid)
18-5498-1 ➍✜
BLACK SCORPION
V8
1998-2002
OL005601-OM391599
N/A
N/A
18-5494-1 ➌✜ N/A
18-8822-1
➋
SKI(Gen+) (350cid)
18-5498-1 ➍✜
350MAG MPI
V8
1998-2001
0L302200 & up
N/A
N/A
18-5494-1 ➌✜ N/A
18-8834-1
➓
(Gen+) &
18-5498-1 ➍✜
MIE(Gen+)
350 MAG MPI
V8
2001-2004
OM300000 & Up
N/A
N/A
NA
NA
18-8828-1
➓
350 MAG MPI
N/A
N/A
NA
NA
NA
18-8828-1
➓
HORIZON
350 MAG
V8
1999-2001 0L304700 & up
N/A
N/A
18-5494-1 ➌✜ N/A
18-8834-1
➓
HORIZON MIE
18-5498-1 ➍✜
350 MAG HORIZON
V8
2001-2004 OM300000 & Up
N/A
N/A
NA
N/A
18-8828-1
➓
MIE
350MAG MPI
V8
1999-2001 0L304600 & up
N/A
N/A
18-5494-1 ➌✜ N/A
18-8834-1
➓
SKI(Gen+)
18-5498-1 ➍✜
350MAG SKI
V8
1991-96
OD505450-0K040399✭
N/A
N/A
18-5494-1 ➌✜ N/A
18-8804-1
18-5498-1 ➍✜
350MAG SKI
V8
1991-96
OD505450-0K040399✱
N/A
N/A
18-5494-1 ➌✜ N/A
18-8821-1
18-5498-1 ➍✜
350MAG SKI
V8
1991-97
0D505450-0K999999 ❂
N/A
N/A
18-5494-1 ➌✜ N/A
18-8821-1
18-5498-1 ➍✜
270MCM & MIE
V8
1969-72
2851074-3385720 ➅
N/A
N/A
N/A
18-5494-1 ➌✜ N/A
18-8803-2
(350cid)
18-5498-1 ➍✜
280 TRS(350cid)
V8
1975
4176250-4499390 ➃
18-5494-1 ➌✜ N/A
18-8803-2
18-5498-1 ➍✜
280 TRS(350cid)
V8
1976
4499391-4770199 ➀
18-5494-1 ➌ 18-5296-2
18-8803-2
18-5498-1 ➍
300, 320EFI
V8
1985-89
0A543604-0C622418 ➉
N/A
N/A
18-5494-1 ➌✜ N/A
18-8804-1
(350cid)
18-5498-1 ➍✜
377 SCORPION
V8
1999-2000 0L416146 & up
N/A
N/A
18-5494-1 ➌✜ N/A
N/A
➋
MCM(377cid)
18-5498-1 ➍✜
377 SCORPION
V8
1997-98
0K000656 & up
N/A
N/A
18-5494-1 ➌✜ N/A
N/A
➋
SKI(377cid)
18-5498-1 ➍✜
MX 6.2L MPI
V8
2000-2001 0L680003 & up
N/A
N/A
18-5494-1 ➌✜ N/A
18-8834-1
➓
(377cid)
18-5498-1 ➍✜
MX 6.2L MPI (377CID)
V8
2001-2004 OM300000 & Up
N/A
N/A
NA
NA
N/A
18-8828-1
➓
MX 6.2L MPI
V8
2001-2004 OM300000 & Up
N/A
N/A
NA
N/A
18-8828-1
➓
HORIZON (377CID)
MX 6.2L MPI
V8
2001-2004 OM300000 & Up
N/A
N/A
NA
N/A
18-8828-1
➓
HORIZONMIE(377CID)
MX 6.2L MPI MIE
V8
2001-2004 OM300000 & Up
N/A
N/A
NA
N/A
18-8828-1
➓
NA
➅ Thunderbolt
➌ Electronic dist. (std. Rotation) excl. Thunderbolt ign.
➓ Mercury HEI
Not applicable
NLA No longer available
➆ For wire type lead use
➍ Mercury Ign.
➙ Distributorless Ignition
* These coils are the old standard series, not the
➇ With screw-down cap
➎ Contact controlled dist. (std. Rotation) excl. Thunderbolt ign.
Mallory Ignition
➀
➈ With conventional ign.
➏ Delco EST system
current upgrade kit
Prestolite
➁
➉ Thunderbolt IV
➐ Delco digital system
✱ Thunderbolt IV(1) System
Autolite Ignition
➂
➊ With copper connector
➑ With dist. cap
❂ Thunderbolt V Ignition
Mercury Ignition
➃
➋ Delco
➒ Distributor mounted ignition amplifier
✭ Thunderbolt IV(2) System
➄ Holley
✜ When replacing an HEI System with an Electronic Distributor- the amplifier must be removed; the coil changed; and the plug wires may need to be changed out
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