> Mercury Marine [Updated: Oct. 27, 2026] > Outboard > 2 Stroke Carb > 40, 400, 402 2 CYL > ARCHIVE CAT 79197 > MERC 40 (402, 40 2 CYL.) - Serial USA 4860103 THRU 5556229 / CAN 7112423 THRU 7144762 / AUS 8052125 THRU 8064749 / BEL 9184451 THRU 9251455

TOP COWL ASSEMBLY

MERC 40 PARTS CATALOG 90-79197 - PAGE 4

• 1) 6341 - TOP COWL ASSEMBLY - 2138-6341 (ELECTRIC)
• 1) 6340A2 - TOP COWL ASSEMBLY - 2138-6340A2 (MANUAL)

2138-6341, 2138-6340A2, 6341, 6340A2

COWLING AND FRONT COVER

MERC 40 PARTS CATALOG 90-79197 - PAGE 8

• 1) 6347A6 - COWL FRONT COVER ASSEMBLY - 2161-6347A6 without decals
• 3) 3878A6 - WRAP AROUND COWL ASSEMBLY - 2137-3878A6 without decals

2161-6347A6, 2137-3878A6, 6347A6, 3878A6

MERCURY DECALS - DECAL SET

MISCELLANEOUS PARTS/ACCESSORIES - Merc 40 decal sets by serial group

• 1978 - 78591A78 - DECAL SET - SERIAL GROUP #1 - 37-78591A78 - USA 5174088 and below / Australia 8052649 and below / Belgium 9214055 and below / Canada 7123912 and below
• 1979 - 86419A79 - DECAL SET - SERIAL GROUP #2 - 37-86419A79 - USA 5174089 and up / Belgium 9214056 and up / Canada 7123913 and up

37-78591A78, 37-86419A79, 78591A78, 86419A79

1979 Mercury 40 hp (Merc 40) decal set 86419A79 - mercury side decals, 40 HP jock straps, Mercury oval front plate, Thunderbolt Ignition and black trim decals, stripes. Replica: 86419A79 - 1979 Mercury 40 hp decal set