Parts for Mercury Marine 4 HP (4-Stroke) Crankshaft, Piston & Connecting Rods

Revise Search: All Models > 4 HP (4-Stroke) > 0R000001 - 0R067089 (USA) > Crankshaft, Piston & Connecting Rods

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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 ]

#	39-803518T01	RING SET, Piston (1 required per assembly) (Standard)
		39-803518T01 - Piston Rings [ More info ] $53.92 Available to Order: Usually ships within 10 days.
#	39-803518T02	RING SET, Piston (AR required per assembly) (.5 Oversize)
		39-803518T02 - Piston Rings [ More info ] $58.50 Available to Order: Usually ships within 10 days.
#1	474-803515T	CRANKSHAFT (1 required per assembly)
		474-803515T - CrankShaft [ More info ] $269.92 Available to Order: Usually ships within 10 days.
#2	12-803516	WASHER (1 required per assembly)
		12-803516 - Washer [ More info ] $6.60 Available to Order: Usually ships within 10 days.
#3	28-16053	KEY (1 required per assembly)
		28-16053 - Key [ More info ] $10.30 Available to Order: Usually ships within 10 days.
#4	629-813047A 1	CONNECTING ROD (1 required per assembly)
		629-813047A 1 - Connecting Rod Assembly [ More info ] Unavailable
#5	10-803509 2	BOLT (2 required per assembly)
		10-803509 2 - Bolt [ More info ] $19.50 Available to Order: Usually ships within 10 days.
#6	779-804768A03	PISTON ASSEMBLY (1 required per assembly) (Standard)(4/5/6)(Includes rings, e-rings and piston pin) SN# 0R028048 & Up
		779-804768A03 - Piston Assembly [ More info ] $170.92 Available to Order: Usually ships within 10 days.
#6	779-804768T 3	PISTON (1 required per assembly) (Standard)(4/5/6)(Bare Piston) SN# 0R028048 & Up
		779-804768T 3 - Ord 779-804768A0, NLA [ More info ] Unavailable
#6	779-804768T 2	PISTON (1 required per assembly) (Standard)(4/5/6)(Bare Piston) SN# 0R023867 THRU 0R028047
		779-804768T 2 - Piston - Standard [ More info ] Unavailable
#6	779-804768T	PISTON (1 required per assembly) (Standard)(4/5 H.P.)(Bare Piston) SN# 0R017220 THRU 0R023866
		779-804768T - Piston - Standard [ More info ] Unavailable
		779-804768T 2 - Piston - Standard [ More info ] Unavailable
		779-804768T 3 - Ord 779-804768A0, NLA [ More info ] Unavailable
#6	779-804768A04	PISTON ASSEMBLY (1 required per assembly) (.5 MM Oversize)(4/5/6)(Includes rings, e-rings and piston pin) SN# 0R028048 & Up
		779-804768A04 - Piston Assembly [ More info ] Unavailable
		7008M0094922 - Piston [ More info ] $130.75 Available to Order: Usually ships within 10 days.
#6	779-804768T 4	PISTON (1 required per assembly) (.5 MM Oversize)(4/5/6)(Bare Piston) SN# 0R028048 & Up
		779-804768T 4 - Ord 779-804768A0, NLA [ More info ] Unavailable
#6	779-804768T 1	PISTON (AR required per assembly) (.5 MM Oversize)(4/5 HP))(Bare Piston) SN# 0R017220 THRU 0R028047
		779-804768T 1 - Piston-.5MM OS [ More info ] Unavailable
#6	779-803517T	PISTON (1 required per assembly) (Standard)(4/5 H.P.)(Bare Piston) SN# 0R017219 & Below
		779-803517T - Piston - Std, NLA [ More info ] $16.00 10+ In Stock.
#6	779-803517T 1	PISTON (AR required per assembly) (.5 MM Oversize)(4/5 H.P.)(Bare Piston) SN# 0R017219 & Below
		779-803517T 1 - Piston - .5MM Os, NLA [ More info ] $25.00 10+ In Stock.
#7	53-16057 3	E RING (2 required per assembly)
		53-16057 3 - E Ring [ More info ] $2.50 Available to Order: Usually ships within 10 days.
#8	41-803521	PIN, Piston (1 required per assembly)
		41-803521 - Piston Pin [ More info ] Unavailable
		41-898103113 - Piston Pin [ More info ] $18.30 Available to Order: Usually ships within 10 days.
#9	39-803518	RING, Piston - Top (1 required per assembly) (Standard)
		39-803518 - Piston Ring - Standard,NLA [ More info ] Unavailable
#9	39-803518 1	RING, Piston - Top (AR required per assembly) (.5 Oversize)
		39-803518 1 - Piston Ring - .5 Mm [ More info ] $16.50 $14.02 3 In Stock.
#10	39-803519	RING, Piston - Second (1 required per assembly) (Standard)
		39-803519 - Ord 39-803518T01, NLA [ More info ] Unavailable
#10	39-803519 1	RING, Piston - Second (AR required per assembly) (.5 Oversize)
		39-803519 1 - Piston Ring - .5 Mm [ More info ] $16.70 $14.19 8 In Stock.
#11	26-803520	RING, Oil (1 required per assembly) (Standard)
		26-803520 - Ring - Oil- Std [ More info ] $5.70 Available to Order: Usually ships within 10 days.
#11	26-803520 1	RING, Oil (AR required per assembly) (.5 Oversize)
		26-803520 1 - 39-803518T02, NLA [ More info ] $2.00 6 In Stock.