Parts for Mercury Marine 225 HP (3.0L Carburetor) Cylinder Block & End Cap

Revise Search: All Models > 225 HP (3.0L Carburetor) > 0D280813 - 0G760299 (USA) > Cylinder Block & End Cap

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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	885-9811A 7	CYLINDER BLOCK (1 required per assembly) SN# 0G129221 & Below
		885-9811A 7 - CYLINDER BLOCK O NLA [ More info ] Unavailable
#1	885-9811A10	CYLINDER BLOCK (1 required per assembly) SN# 0G129222 THRU 0G437999
		885-9811A10 - 885-9811A10 - CYLINDER BLOCK O [ More info ] Unavailable Replaced by 885-9811A19
		885-9811A19 - CYLINDER BLOCK O NLA [ More info ] Unavailable
#1	885-9811A19	CYLINDER BLOCK (1 required per assembly) SN# 0G438000 & Up
#2	16-90350 9	STUD, (M10 x 1.5 x 64) (4 required per assembly)
		16-90350 9 - Stud [ More info ] $15.40 Available to order: Usually ships within 8 days.
#3	16-815443 1	STUD, (M10 x 1.5 x 155) (6 required per assembly)
		16-815443 1 - Stud [ More info ] $23.75 Available to order: Usually ships within 8 days.
#4	22-32802 1	PLUG, Pipe (.125-27) (1 required per assembly)
		22-32802 1 - 22-32802 1 - PLUG Pipe (.125-2 O [ More info ] Unavailable Replaced by 22-32802 2
		22-32802 2 - Plug - (brass) - Priced Individually [ More info ] $5.60 Available to order: Usually ships within 8 days.
		18-4263 - Pipe Plug, 1/8-27 NPT Pi [ More info ] $4.49 $3.24 10+ in stock.
#5	22-36382	FITTING, (.250-18 x .62) Brass (1 required per assembly) (SEAPRO/MARATHON)
		22-36382 - Plug [ More info ] $4.00 $2.70 10+ in stock.
		18-8111-9 - Pipe Plug, 1/4 Inch, (Pack of 3) [ More info ] $10.77 $7.50 10+ in stock.
		18-4256 - Plug, 1/4 Inch Brass, Sold Individually [ More info ] $1.99 $1.42 6 in stock.
#6	824857 2	DEFLECTOR, Water (4 required per assembly) SN# 0G438000 & Up
		824857 2 - Water Deflector [ More info ] $1.15 3 in stock.
		824857 4 - 824857 4 - DEFLECTOR Water O [ More info ] Unavailable Replaced by -824857 7
		824857 7 - Water Deflector [ More info ] $1.80 Available to order: Usually ships within 8 days.
#7	21-43278	FITTING (1 required per assembly)
		21-43278 - Check Valve [ More info ] $8.40 10+ in stock.
		21-43278 1 - 21-43278 1 - CHECK VALVE O [ More info ] Unavailable Replaced by 21-43278 3
		21-43278 3 - 21-43278 3 - CHECK VALVE O [ More info ] Unavailable Replaced by 21-878105
		21-878105 - 21-878105 - CHECK VALVE O [ More info ] Unavailable Replaced by 21-878105 1
		21-878105 1 - Check Valve [ More info ] $21.10 $18.07 8 in stock.
#8	22-824502 1	CONNECTOR (6 required per assembly)
		22-824502 1 - Connector [ More info ] $4.30 Available to order: Usually ships within 8 days.
#9	821583	PIN (2 required per assembly)
		821583 - 821583 - PIN O [ More info ] Unavailable Replaced by -821583 2
		821583 2 - Pin (Special) [ More info ] $14.20 Available to order: Usually ships within 8 days.
#10	17-43044	PIN, Dowel - Without Hole (.375 x .625) (1 required per assembly)
		17-43044 - Pin -Dowel-solid [ More info ] $1.70 10+ in stock.
#11	22-76843	FITTING (6 required per assembly) SN# 0G437999 & Below
		22-76843 - 22-76843 - FITTING O [ More info ] Unavailable Replaced by 22-76843 1
		22-76843 1 - Fitting [ More info ] $14.90 Available to order: Usually ships within 8 days.
#12	21-834804 1	CHECK VALVE (6 required per assembly) SN# 0G485989 & Up
		21-834804 1 - Check Valve [ More info ] $23.50 $20.13 Available to order: Usually ships within 8 days.
#13	21-828218 2	CHECK VALVE (6 required per assembly) SN# 0G485989 & Up
		21-828218 2 - Check Valve [ More info ] $22.00 $18.84 1 in stock.
#14	21-42658 5	CHECK VALVE (2 required per assembly)
		21-42658 5 - Check Valve [ More info ] $11.60 Available to order: Usually ships within 8 days.
#15	10-818934 35	SCREW, (M8 x 35) (14 required per assembly)
		10-818934 35 - Screw [ More info ] $2.80 Available to order: Usually ships within 8 days.
#16	21-815923 4	CHECK VALVE (2 required per assembly)
		21-815923 4 - Check Valve [ More info ] $11.20 Available to order: Usually ships within 8 days.
#17	10-824461 80	SCREW, (M10 x 80) (8 required per assembly)
		10-824461 80 - Screw [ More info ] $9.40 Available to order: Usually ships within 8 days.
#18	17-67296	PIN (3 required per assembly)
		17-67296 - 17-67296 - PIN O [ More info ] Unavailable Replaced by 17-8M0036405
		17-8M0036405 - Pin - Center Main [ More info ] $2.50 Available to order: Usually ships within 8 days.
#19	825367A 1	CARRIER ASSEMBLY (INCLUDES 6 CARRIERS) (1 required per assembly) (13 Tooth Splines) SN# 0G129222 THRU 0G437999
		825367A 1 - Carrier Assembly [ More info ] $93.25 10+ in stock.
#20	21-42657A 3	CHECK VALVE (6 required per assembly) (13 Tooth Splines) SN# 0G129222 THRU 0G437999
		21-42657A 3 - Check Valve Assembly [ More info ] $4.80 5 in stock.
#21	19-850309	PLUG (6 required per assembly) SN# 0G438000 & Up
		19-850309 - 19-850309 - PLUG O [ More info ] Unavailable Replaced by 19-850309001
		19-850309001 - Plug - Stop [ More info ] $1.70 Available to order: Usually ships within 8 days.
#23	821762 1	TIMING POINTER (1 required per assembly)
		821762 1 - Timing Pointer [ More info ] $12.50 Available to order: Usually ships within 8 days.
#25	54-816311	TIE STRAP, (8.00 Inches) (AR required per assembly)
		54-816311 - 54-816311 - TIE STRAP (8.00 I O [ More info ] Unavailable Replaced by 54-816311T
		54-816311T - Tie Strap, 8 Inches, Priced Individually [ More info ] $0.44 10+ in stock.
#26	32-826544A 1	TUBING KIT (1 required per assembly) SN# 0G129222 & Up
		32-826544A 1 - TUBING KIT O NLA [ More info ] Unavailable
#27	32-814930 34	TUBING (9-1/4 IN.) (1 required per assembly) SN# 0G129221 & Below
		32-814930 34 - 32-814930 34 - TUBING O [ More info ] Unavailable Replaced by 32-826544A 1
#28	32-99130122	TUBING, (20.00 Feet Bulk) (22-1/2 IN.) (1 required per assembly)
		32-99130122 - 32-99130122 - TUBING (20.00 Fee O [ More info ] Unavailable Replaced by 32-892024122
		32-892024122 - Tubing - 20 Feet [ More info ] $41.90 $35.88 6 in stock.
#29	12-45175	WASHER, (.406 x .750 x .104) (10 required per assembly)
		12-45175 - 12-45175 - WASHER (.406 x .7 O [ More info ] Unavailable Replaced by 12-856774
		12-856774 - Washer [ More info ] $1.60 10+ in stock.
#30	11-40026 6	NUT, (M10) (10 required per assembly)
		11-40026 6 - 11-40026 6 - NUT (M10) O [ More info ] Unavailable Replaced by 11-40136 10
		11-40136 10 - Nut - Priced Individually [ More info ] $5.20 Available to order: Usually ships within 8 days.
#32	821556	RETAINER, Check Valve (2 required per assembly)
		821556 - Retainer [ More info ] $5.10 Available to order: Usually ships within 8 days.
#34	22-824356 1	FITTING (6 required per assembly)
		22-824356 1 - Fitting [ More info ] $31.00 $26.55 Available to order: Usually ships within 8 days.
#35	825675 1	BRACKET (1 required per assembly) (SEAPRO/MARATHON) SN# 0G129222 & Up
		825675 1 - Bracket [ More info ] $8.00 Available to order: Usually ships within 8 days.
#35	822283	BRACKET (1 required per assembly) SN# 0G129221 & Below
		822283 - Bracket, NLA [ More info ] $2.50 6 in stock.
#37	821105 1	BRACKET, Alternator (1 required per assembly)
		821105 1 - Bracket [ More info ] $10.90 Available to order: Usually ships within 8 days.
#38	10-818934 50	SCREW, (M8 x 50) (2 required per assembly)
		10-818934 50 - Screw [ More info ] $3.90 Available to order: Usually ships within 8 days.
#39	821225 1	BRACKET (1 required per assembly)
		821225 1 - Bracket [ More info ] $5.90 Available to order: Usually ships within 8 days.
#40	10-821300 12	SCREW, (M6 x 12) (2 required per assembly)
		10-821300 12 - Screw - Priced Individually [ More info ] $1.40 10+ in stock.
#41	822486	BRACKET, Guide (1 required per assembly)
		822486 - Guide Bracket [ More info ] $3.30 Available to order: Usually ships within 8 days.
#42	821909	SENSOR (1 required per assembly)
		821909 - Sensor Assembly [ More info ] $104.50 Available to order: Usually ships within 8 days.
#43	10-821045 10	SCREW, (M5 x 10) (1 required per assembly)
		10-821045 10 - Screw [ More info ] $0.80 Available to order: Usually ships within 8 days.
#44	818574	SEAL (2 required per assembly)
		818574 - Cylinder Head Seal [ More info ] $23.30 $19.95 Available to order: Usually ships within 8 days.
#45	25-818573	O-RING (6 required per assembly)
		25-818573 - O-Ring [ More info ] $14.70 Available to order: Usually ships within 8 days.
		18-7400-9 - O-Ring (PK5) 908194 [ More info ] $22.46 $16.22 1 in stock.
#46	812851A 3	CYLINDER HEAD (2 required per assembly) (SEAPRO/MARATHON)
		812851A 3 - Cylinder Head Kit [ More info ] $180.00 1 in stock.
		812851A15 - Cylinder Head [ More info ] $323.75 Available to order: Usually ships within 8 days.
#46	812851A 2	CYLINDER HEAD (2 required per assembly)
		812851A 2 - CYLINDER HEAD O NLA [ More info ] Unavailable
#47	833072	THERMOSTAT, 62Â° Celsius (143Â° Fahrenheit) (2 required per assembly) SN# 0G438000 & Up
		833072 - 833072 - THERMOSTAT 62 Cel O [ More info ] Unavailable Replaced by -833072003
		833072003 - Thermostat [ More info ] $37.50 Available to order: Usually ships within 8 days.
		18-3536 - Thermostat [ More info ] $32.99 $26.97 Available to order: Usually ships within 8 days.
#47	75692	THERMOSTAT (143 DEGREES) (2 required per assembly) SN# 0G437999 & Below
		75692 - Thermostat, 143 Degrees [ More info ] $15.42 10+ in stock.
		18-3553 - Thermostat, 75692 [ More info ] $14.99 $13.58 10+ in stock.
#48	27-62386	GASKET (2 required per assembly)
		27-62386 - 27-62386 - GASKET O [ More info ] Unavailable Replaced by 27-62386001
		27-62386001 - Gasket - Priced Individually [ More info ] $1.90 10+ in stock.
		18-0182-9 - Gasket 27-62386 2-Pack [ More info ] $3.98 $2.71 10+ in stock.
#49	19801A 1	THERMOSTAT COVER (2 required per assembly) USE WITH 45 DEGREE ELBOW
		19801A 1 - Cover Kit [ More info ] $39.41 1 in stock.
#49	19801 2	COVER, Thermostat (2 required per assembly) USE WITH 90 DEGREE ELBOW
		19801 2 - 19801 2 - COVER Thermostat O [ More info ] Unavailable Replaced by -19801A 1
#50	22-816781 1	ELBOW (45 DEGREES) (2 required per assembly) USE WITH 45 DEGREE ELBOW
		22-816781 1 - Fitting [ More info ] $26.25 Available to order: Usually ships within 8 days.
#50	22-68727	FITTING, (.250-18) 90 Degree - Brass (90 DEGREES) (2 required per assembly) USE WITH 90 DEGREE ELBOW
		22-68727 - 22-68727 - FITTING (.250-18) O [ More info ] Unavailable Replaced by 22-68727 1
		22-68727 1 - Fitting [ More info ] $23.41 Available to order: Usually ships within 8 days.
#51	32-77653112	HOSE, (59.00 Inches Bulk) (19 IN.)(20-1/2 IN.) (2 required per assembly) USE WITH 45 DEGREE ELBOW
		32-77653112 - Hose -59 Inch [ More info ] $26.90 1 in stock.
		32-77653 78 - 32-77653 78 - TUBING (25.00 Inc O [ More info ] Unavailable Replaced by 32-77653101
		32-77653101 - Hose -48 Inch [ More info ] $44.25 Available to order: Usually ships within 8 days.
#52	10-824460 90	SCREW, (M8 x 90) (4 required per assembly)
		10-824460 90 - Screw [ More info ] $12.80 Available to order: Usually ships within 8 days.
#53	10-824460 50	SCREW, (M8 x 50) (36 required per assembly)
		10-824460 50 - 10-824460 50 - SCREW (M8 x 50) O [ More info ] Unavailable Replaced by 10-859096
		10-859096 - 10-859096 - SCREW (M8 x 50) O [ More info ] Unavailable Replaced by 10-891570050
		10-891570050 - 10-891570050 - SCREW (M8 x 50) O [ More info ] Unavailable Replaced by 10-8M0045380
		10-8M0045380 - Screw - Priced Individually [ More info ] $4.70 3 in stock.
#54	13536A11	SENSOR ASSEMBLY, Temperature (1 required per assembly) SEAPRO/MARATHON SN# 0G217420 & Up
		13536A11 - 13536A11 - SENSOR ASSEMBLY T O [ More info ] Unavailable Replaced by -13536A14
		13536A14 - Temperature Sensor [ More info ] $42.75 2 in stock.
#54	13536A 2	SENSOR ASSEMBLY (1 required per assembly) SN# 0G217419 & Below
		13536A 2 - 13536A 2 - SENSOR ASSEMBLY O [ More info ] Unavailable Replaced by -13536A11
#55	84-88807A42	CABLE ASSEMBLY (USE WHERE APPLICABLE) (1 required per assembly) SEAPRO/MARATHON SN# 0G217420 & Up
		84-88807A42 - Cable Assembly - Priced Individually [ More info ] $4.50 Available to order: Usually ships within 8 days.
#55	84-88807A37	CABLE ASSEMBLY (1 required per assembly) SN# 0G217419 & Below
		84-88807A37 - Cable Assembly [ More info ] $4.50 Available to order: Usually ships within 8 days.
#56	828523	RETAINER, Sensor (1 required per assembly) DESIGN I
		828523 - RETAINER Sensor O NLA [ More info ] Unavailable
#57	10-828552	SCREW, (.375-16 x .500) (1 required per assembly) DESIGN I
		10-828552 - Screw [ More info ] $1.40 Available to order: Usually ships within 8 days.
#58	13715 1	RETAINER (1 required per assembly) DESIGN II
		13715 1 - Retainer [ More info ] $2.80 Available to order: Usually ships within 8 days.
#59	10-818934 12	SCREW, (M8 x 12) (1 required per assembly) DESIGN II
		10-818934 12 - Screw [ More info ] $2.70 Available to order: Usually ships within 8 days.
#60	1171-9787A 3	END CAP ASSEMBLY, Lower (1 required per assembly) SEE SERVICE BULLETIN 95-4 SN# 0G303045 & Below
		1171-9787A 3 - 1171-9787A 3 - END CAP ASSEMBLY O [ More info ] Unavailable Replaced by 1171-9787A 5
		1171-9787A 5 - End Cap Assembly [ More info ] $153.75 Available to order: Usually ships within 8 days.
#60	1171-9787A 4	END CAP ASSEMBLY (1 required per assembly) SN# 0G303046 & Up
		1171-9787A 4 - End Cap Assembly [ More info ] $65.00 Available to order: Usually ships within 8 days.
#61	25-62700	O-RING, (3.237 x .103) (1 required per assembly)
		25-62700 - O-Ring [ More info ] $2.80 10+ in stock.
		18-0860-9 - O-Ring 25-62700 2-Pack [ More info ] $5.98 5 in stock.
#62	26-818571 1	SEAL, Oil (2 required per assembly) SEE SERVICE BULLETIN 95-4 SN# 0G303045 & Below
		26-818571 1 - SEAL Oil O NLA [ More info ] Unavailable
#62	26-830898	SEAL, Oil (2 required per assembly) SN# 0G303046 & Up
		26-830898 - 26-830898 - SEAL Oil O [ More info ] Unavailable Replaced by 26-830898 1
		26-830898 1 - Seal [ More info ] $23.70 $20.29 Available to order: Usually ships within 8 days.
#63	26-815449	SEAL, Oil (1 required per assembly) SEE SERVICE BULLETIN 95-4 SN# 0G303045 & Below
		26-815449 - 26-815449 - SEAL Oil O [ More info ] Unavailable Replaced by 26-859093
		26-859093 - Seal [ More info ] $30.90 $26.45 Available to order: Usually ships within 8 days.
#64	10-821300 20	SCREW, (M6 x 20) (4 required per assembly)
		10-821300 20 - Screw - Priced Individually [ More info ] $1.90 3 in stock.
#65	43453 1	PLUG (1 required per assembly) SEAPRO/MARATHON
		43453 1 - Plug [ More info ] $16.20 $13.88 2 in stock.
#66	25-62705	O-RING (1 required per assembly) SEAPRO/MARATHON
		25-62705 - O-Ring - Priced Individually [ More info ] $1.20 10+ in stock.
		18-7105-9 - O-Ring (Pack of 5) 311338, 26-62705 [ More info ] $9.95 $4.37 2 in stock.
#67	10-821045 20	SCREW, (M5 x 20) (M5 X 20) (2 required per assembly) SEAPRO/MARATHON
		10-821045 20 - Screw [ More info ] $2.20 Available to order: Usually ships within 8 days.
#68	826121 1	BRACKET (1 required per assembly)
		826121 1 - Bracket [ More info ] $39.25 Available to order: Usually ships within 8 days.
#69	10-48408	SCREW, (#10-16 x .500) (1 required per assembly)
		10-48408 - Screw - Priced Individually [ More info ] $1.65 10+ in stock.
#71	826624 1	CLAMP (1 required per assembly)
		826624 1 - Clamp [ More info ] $26.84 Available to order: Usually ships within 8 days.
#-	27-814195A93	GASKET SET (1 required per assembly)
		27-814195A93 - Gasket Set [ More info ] $175.75 Available to order: Usually ships within 8 days.
#-	823291A94	POWERHEAD ASSEMBLY (1 required per assembly) (8 TOOTH SPLINES) SN# 0G129221 & Below
		823291A94 - Powerhead 225 3.0, NLA [ More info ] $3,000.00 1 in stock.
#-	809794A97	POWERHEAD ASSEMBLY (1 required per assembly) (13 TOOTH SPLINES) SN# 0G129222 & Up
		809794A97 - POWERHEAD ASSEMBL O NLA [ More info ] Unavailable
#-	809793A97	POWERHEAD ASSEMBLY (1 required per assembly) (SEAPRO/MARATHON)
		809793A97 - 809793A97 - POWERHEAD ASSEMBL O [ More info ] Unavailable Replaced by -809793A00
		809793A00 - POWERHEAD ASSEMBL O NLA [ More info ] Unavailable