Parts for Mercury Marine 55 HP (3 Cylinder) Crankshaft, Pistons & Connecting Rods

Revise Search: All Models > 55 HP (3 Cylinder) > 9973100 - 0P016999 (Belgium) > Crankshaft, Pistons & Connecting Rods

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• View diagram and parts list below.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

Engine section

Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

#1	2411-827954A 2	CRANKSHAFT ASSEMBLY (1 required per assembly)
		2411-827954A 2 - 2411-827954A 2 - CRANKSHAFT ASSEMB O [ More info ] Unavailable Replaced by 2411-827954T 2
		2411-827954T 2 - CrankShaft [ More info ] $1,235.71 Available to order: Usually ships within 8 days.
#2	43-43019A 2	GEAR ASSEMBLY (1 required per assembly)
		43-43019A 2 - Driver Gear Kit [ More info ] $53.58 1 in stock.
#3	30-63742	BEARING, Ball (1 required per assembly)
		30-63742 - 30-63742 - BEARING Ball O [ More info ] Unavailable Replaced by 30-63742T
		30-63742T - Ball Bearing [ More info ] $30.40 $26.03 Available to order: Usually ships within 8 days.
		18-1154 - Bearing, 30-63742, 377139 [ More info ] $26.52 $19.82 2 in stock.
#4	53-812877	RING, Retaining (1 required per assembly)
		53-812877 - Ring - Retaining [ More info ] $2.10 Available to order: Usually ships within 8 days.
#5	28-91800	KEY, Woodruff (2 required per assembly)
		28-91800 - Key - Priced Individually [ More info ] $2.15 5 in stock.
#6	31-818889A 1	BEARING ASSEMBLY, Roller (1 required per assembly) (TOP)
		31-818889A 1 - Bearing Kit [ More info ] $68.70 $58.83 Available to order: Usually ships within 8 days.
#7	26-817397 1	SEAL, Oil (1 required per assembly)
		26-817397 1 - Seal [ More info ] $7.40 2 in stock.
#8	827955A 2	BEARING ASSEMBLY (2 required per assembly)
		827955A 2 - Main Bearing Kit [ More info ] $84.67 Available to order: Usually ships within 8 days.
#9	NSS	NOT SOLD SEPARATE, Roller (56 required per assembly)
		NSS - NOT SOLD SEPARATE O [ More info ] Unavailable
#11	705-850026A 1	PISTON ASSEMBLY (3 required per assembly) (STANDARD)
		705-850026A 1 - 705-850026A 1 - PISTON ASSEMBLY O [ More info ] Unavailable Replaced by 705-850026T 1
		705-850026T 1 - Piston Assembly - Std [ More info ] $151.67 Available to order: Usually ships within 8 days.
#11	705-850026A 2	PISTON ASSEMBLY (3 required per assembly) (.015 O.S.)
		705-850026A 2 - 705-850026A 2 - PISTON ASSEMBLY O [ More info ] Unavailable Replaced by 705-850026T 2
		705-850026T 2 - Piston Assembly -.015 [ More info ] $169.33 Available to order: Usually ships within 8 days.
#12	40-52035	RING, Lock (6 required per assembly)
		40-52035 - Lock Ring - Priced Individually [ More info ] $1.25 10+ in stock.
		53-857196 - Lock Ring - Priced Individually [ More info ] $2.60 $1.76 10+ in stock.
		18-4294-9 - Clips, PK2 [ More info ] $5.08 $3.56 2 in stock.
#13	39-831255A 6	RING SET, Piston (3 required per assembly) (STANDARD)
		39-831255A 6 - Rings - Standard [ More info ] $127.00 Available to order: Usually ships within 8 days.
#13	39-821695A 6	RING SET, Piston (3 required per assembly) (.015 O.S.)
		39-821695A 6 - Rings - .015 Oversize [ More info ] $62.08 Available to order: Usually ships within 8 days.
#15	640-9612A 6	CONNECTING ROD ASSEMBLY (3 required per assembly)
		640-9612A 6 - Connecting Rod Assembly [ More info ] $357.93 Available to order: Usually ships within 8 days.
#16	12-812876	WASHER (6 required per assembly)
		12-812876 - Thrust Washer [ More info ] $2.22 7 in stock.
		12-8M0012298 - Thrust Washer [ More info ] $4.00 2 in stock.
#17	29-47270	BEARING (87 required per assembly)
		29-47270 - BEARING [ More info ] Unavailable
		18-4036-9 - Bearing, 29-47270, 200PK [ More info ] $40.00 $33.40 7 in stock.
#18	10-91012	SCREW, (.250-28 Special) (6 required per assembly)
		10-91012 - Screw -spec - Priced Individually [ More info ] $6.00 $3.60 10+ in stock.
#19	31-17514A 1	BEARING KIT (3 required per assembly)
		31-17514A 1 - 31-17514A 1 - BEARING KIT O [ More info ] Unavailable Replaced by 31-8M0045428
		31-8M0045428 - Bearing Kit [ More info ] $50.42 10 in stock.
		18-4039 - Needle Bearings, Without Cage [ More info ] $44.62 $34.89 2 in stock.
		18-1194 - Rod Bearing w/ Cage [ More info ] $59.41 $39.28 10 in stock.
#-	852071A97	POWERHEAD ASSEMBLY (1 required per assembly)
		852071A97 - 852071A97 - POWERHEAD ASSEMBL O [ More info ] Unavailable Replaced by -852071T97
		852071T97 - Powerhead 60 3 Cylinder [ More info ] $3,107.14 Available to order: Usually ships within 8 days.