4.3 liter Mercruiser Tune-Up Kit 18-5278 18-5246 18-5274

4.3 liter Mercruiser Tune-Up Kit

Sierra 18-5278 18-5246 18-5274

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Item# 18-5278
Tune-Up Kit

Item available ✔
Ships same day if
ordered by 3:00PM CST
(Except weekends/holidays)

Manufacturer: Sierra

4.3 liter Mercruiser with Ser# OF803800 thru OL359999 with Delco EST ignition.

Replaces: 850484T3

Your price: $29.81
( List price ~~$37.03~~ )

Quantity

Item# 18-5246
Tune-Up Kit

Item available ✔
Ships same day if
ordered by 3:00PM CST
(Except weekends/holidays)

Manufacturer: Sierra

4.3 liter MPI Mercruiser with Ser# OM300000 & UP.

Replaces: 898253T28

Your price: $109.40
( List price ~~$137.76~~ )

Quantity

Item# 18-5274
Tune-Up Kit

Item available ✔
Ships same day if
ordered by 3:00PM CST
(Except weekends/holidays)

Manufacturer: Sierra

4.3 liter Mercruiser with Ser# 6919656 & UP with Thunderbolt IV ignition.

Replaces: 13524A6, 13753A2, 815407A2

Your price: $30.73
( List price ~~$30.09~~ )

Quantity

18-5278 18-5246 18-5274 Sierra Tune-Up Kit for 4.3 liter Mercruiser stern drive boat motor 850484T3 898253T28 13524A6, 13753A2, 815407A2