Parts for Mercury Marine 250 HP / 275 HP Cylinder Block & End Caps

Revise Search: All Models > 250 HP / 275 HP > 0C101891 & Up (USA) > Cylinder Block & End Caps

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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 ]

#1	880-9550A14	CYLINDER BLOCK ASSEMBLY (250) (1 required per assembly)
		880-9550A14 - CYLINDER BL,NLA [ More info ] Unavailable
#1	880-9550A33	CYLINDER BLOCK ASSEMBLY (275) (1 required per assembly)
		880-9550A33 - CYLINDER BLK ASY,NLA [ More info ] Unavailable
#2	10-815549	SCREW (2") (2 required per assembly)
		10-815549 - Screw [ More info ] $5.20 $4.42 5 In Stock.
#3	21-96887A 2	CHECK VALVE (1 required per assembly)
		21-96887A 2 - Check Valve Kit [ More info ] Unavailable
		21-42864 - FITTING [ More info ] Unavailable
		21-42864 1 - Fitting [ More info ] $39.92 Available to Order: Usually ships within 10 days.
#4	21-42657A 1	CHECK VALVE (1 required per assembly)
		21-42657A 1 - Check Valve Assembly [ More info ] $7.78 7 In Stock.
		21-42657A 3 - Check Valve Assembly [ More info ] $7.00 Available to Order: Usually ships within 10 days.
#5	16-815159	STUD (1 required per assembly)
		16-815159 - Stud, NLA [ More info ] $2.50 10+ In Stock.
#6	17-40120110	DOWEL PIN (2 required per assembly)
		17-40120110 - Pin -Dowel, NLA [ More info ] $5.00 10+ In Stock.
#7	17-67296	DOWEL PIN (BEARING RACE ) (3 required per assembly)
		17-67296 - Pin, Dowel - Center Main [ More info ] Unavailable
		17-8M0036405 - Pin - Center Main [ More info ] $4.20 Available to Order: Usually ships within 10 days.
#8	27-53862	GASKET (2 required per assembly)
		27-53862 - Crankcase To Cylinder Block Gasket [ More info ] $6.00 5 In Stock.
#9	16-14137	STUD (162 MM) (6 required per assembly)
		16-14137 - Stud, NLA [ More info ] $6.00 10+ In Stock.
#10	16-14136	STUD(110 MM) (2 required per assembly)
		16-14136 - STUD,NLA [ More info ] Unavailable
#11	16-91000 1	STUD (60 MM) (2 required per assembly)
		16-91000 1 - Stud, NLA [ More info ] $6.00 10+ In Stock.
#12	13-40024 8	LOCKWASHER (1 required per assembly)
		13-40024 8 - LockWasher [ More info ] $1.60 $1.36 4 In Stock.
#13	11-90517	NUT (1 required per assembly)
		11-90517 - Nut, (M10) [ More info ] $2.60 Available to Order: Usually ships within 10 days.
#14	10-815162 90	SCREW (90 MM) (1 required per assembly)
		10-815162 90 - Screw, NLA [ More info ] $1.50 10+ In Stock.
#15	10-815162170	SCREW (170 MM) (2 required per assembly)
		10-815162170 - SCREW,NLA [ More info ] Unavailable
#16	10-91006	SCREW (105 MM ) (4 required per assembly)
		10-91006 - Screw Note: Priced Individually [ More info ] $2.50 10+ In Stock.
		10-815162105 - SCREW,NLA [ More info ] Unavailable
#17	86-19437 3	TERMINAL BLOCK (1 required per assembly) OLD DESIGN
		86-19437 3 - Terminal Block, NLA [ More info ] $15.54 10+ In Stock.
#18	10-40003 29	SCREW (2 required per assembly) OLD DESIGN
		10-40003 29 - Screw - Priced Individually [ More info ] Unavailable
#19	12-29245	WASHER (2 required per assembly) OLD DESIGN
		12-29245 - Washer [ More info ] $0.89 10+ In Stock.
		12-8M0204649 - WASHER Note: Priced Individually [ More info ] $1.20 Available to Order: Usually ships within 10 days.
#20	54-814008	CLIP (1 required per assembly)
		54-814008 - CLIP,NLA [ More info ] Unavailable
#21	12-40023 19	WASHER (INSIDE) (4 required per assembly)
		12-40023 19 - Washer (M10) [ More info ] $3.10 Available to Order: Usually ships within 10 days.
#22	13-40025 8	LOCKWASHER (10 required per assembly)
		13-40025 8 - LockWasher [ More info ] $1.40 Available to Order: Usually ships within 10 days.
#23	11-40114	NUT (10 required per assembly)
		11-40114 - Nut (M10 X 1.5) [ More info ] $6.50 $5.52 3 In Stock.
#24	10-62568	SCREW (1 required per assembly)
		10-62568 - Screw - Priced Individually [ More info ] $1.10 10+ In Stock.
#25	88782 1	BRACKET(FRONT) (1 required per assembly)
		88782 1 - Bracket, NLA [ More info ] Unavailable
#26	10-40062127	SCREW (2 required per assembly)
		10-40062127 - SCREW,NLA [ More info ] Unavailable
#27	22-56759	FITTING (PRESS-IN)(OLD DESIGN) (1 required per assembly)
		22-56759 - Fitting [ More info ] $11.20 Available to Order: Usually ships within 10 days.
#28	10-815162 35	SCREW (35 MM) (6 required per assembly)
		10-815162 35 - Screw, NLA [ More info ] $1.50 3 In Stock.
#29	32-99126 88	TUBING (1 required per assembly)
		32-99126 88 - Tubing - 36 Inch [ More info ] $29.61 10 In Stock.
#30	54-22627	J-CLAMP (1 required per assembly)
		54-22627 - Clip, NLA [ More info ] Unavailable
#31	10-48408	SCREW (1 required per assembly)
		10-48408 - Screw - Priced Individually [ More info ] $2.21 2 In Stock.
#32	69205	C-WASHER (1 required per assembly)
		69205 - C Washer [ More info ] Unavailable
		8M0084613 - Washer [ More info ] $1.10 Available to Order: Usually ships within 10 days.
#33	21-42623	CHECK VALVE (1 required per assembly)
		21-42623 - Check Valve [ More info ] $4.43 10+ In Stock.
		21-42623 1 - Check Valve [ More info ] $4.40 10 In Stock.
		21-42623 3 - Check Valve [ More info ] $102.32 3 In Stock.
#34	54-816311	CLAMP (AR required per assembly)
		54-816311 - TIE STRAP Note: Priced Individually [ More info ] Unavailable
		54-816311T - Tie Strap, 8 Inches, Priced Individually [ More info ] $0.60 10+ In Stock.
#35	22-15133	FITTING (PRESS-IN) (1 required per assembly)
		22-15133 - Fitting [ More info ] $20.83 3 In Stock.
#36	96839	BRACKET (1 required per assembly)
		96839 - Bracket, NLA [ More info ] Unavailable
#37	10-40010127	SCREW (1 required per assembly)
		10-40010127 - SCREW,NLA [ More info ] Unavailable
#38	13-26992	LOCKWASHER (1 required per assembly)
		13-26992 - LockWasher - Priced Individually [ More info ] $1.20 10+ In Stock.
#39	10-78841	SCREW (1 required per assembly)
		10-78841 - Bolt, NLA [ More info ] $1.82 10+ In Stock.
#40	12-70132	WASHER (1 required per assembly)
		12-70132 - Washer, (.323 X .563 X .063 - Stainless Steel) [ More info ] Unavailable
		12-8M0042642 - Washer - Priced Individually [ More info ] $1.70 10+ In Stock.
#41	11-35814	NUT (1 required per assembly)
		11-35814 - Nut (5/16-24) [ More info ] Unavailable
		11-826709 11 - Nut (5/16-24) [ More info ] $4.80 3 In Stock.
#42	1166-8792A 1	LOWR END CAP ASSEMBLY (1 required per assembly)
		1166-8792A 1 - End Cap, NLA [ More info ] $48.00 5 In Stock.
#43	26-54815	OIL SEAL (1 required per assembly)
		26-54815 - Seal, NLA [ More info ] $7.00 10+ In Stock.
#44	25-88955	O-RING (1 required per assembly)
		25-88955 - O-Ring [ More info ] $9.40 Available to Order: Usually ships within 10 days.
#45	10-815160 25	SCREW (4 required per assembly)
		10-815160 25 - SCREW [ More info ] Unavailable
		10-40011149 - Screw [ More info ] $2.60 Available to Order: Usually ships within 10 days.
#47	11-813938	CAP NUT (OLD DESIGN) (3 required per assembly)
		11-813938 - Capnut [ More info ] $3.10 Available to Order: Usually ships within 10 days.
#49	32-99130122	HOSE (1 required per assembly)
		32-99130122 - Tubing-20 FEET [ More info ] Unavailable
		32-892024122 - Tubing - 20 Feet [ More info ] $47.44 9 In Stock.
#50	21-14912	CHECK VALVE (6 required per assembly)
		21-14912 - Check Valve [ More info ] Unavailable
		21-14912 6 - Check Valve [ More info ] $17.24 10+ In Stock.