Parts for MerCruiser 250 1977 Hydraulic Pump & Trim Indicator Control Panel

Revise Search: All Models > 250 1977 > 4791300 - 4898729 > Hydraulic Pump & Trim Indicator Control Panel

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View diagram and parts list below. Tap to zoom. Scroll down to order.
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 ]

#	55642A 7	CONTROL PANEL ASSEMBLY, COMPLETE (1 required per assembly)
		55642A 7 - Panel Assembly [ More info ] Unavailable
		55642A13 - Control Panel Assembly [ More info ] Unavailable
#1	74436A 9	HYDRAULIC PUMP ASSEMBLY (1 required per assembly)
		74436A 9 - Hydraulic Pump [ More info ] Unavailable
		79271A 4 - PUMP ASSY [ More info ] Unavailable
		88475A 5 - PUMP ASSY [ More info ] Unavailable
		93247A 4 - Hydraulic Pump [ More info ] Unavailable
		93247A 7 - Trim Pump Assembly [ More info ] $1,069.07 In Stock
		18-6768 - Power Trim Pump, 93247A7 [ More info ] $979.99 $763.82 In Stock
		18-6763 - Tilt Trim Motor And Reservoir Only [ More info ] $407.99 $369.71 3 In Stock.
#2	25-21720	"O" RING, HYDRAULIC PUMP TO CONTROL VALVE (4 required per assembly)
		25-21720 - O-Ring - Priced Individually [ More info ] Unavailable
		25-48171 - O-Ring - Priced Individually [ More info ] $1.60 10+ In Stock.
		18-7168-9 - O-Ring (PK5) 202893, 25-48171 [ More info ] $4.99 $4.73 3 In Stock.
#3	48077A 3	CONTROL VALVE ASSEMBLY (1 required per assembly)
		48077A 3 - Valve Assembly [ More info ] $149.99 7 In Stock.
		48077T 3 - Valve Assembly [ More info ] $400.75 $96.18 3 In Stock.
#4	22-38609	PLUG, CONTROL VALVE (1 required per assembly)
		22-38609 - Plug [ More info ] $17.90 2 In Stock.
#5	10-21091	SCREW, CONTROL VALVE TO HYDRAULIC PUMP (1 1/8") (4 required per assembly)
		10-21091 - Screw, NLA [ More info ] $1.99 10+ In Stock.
#6	13-26992	LOCKWASHER, CONTROL VALVE SCREW (4 required per assembly)
		13-26992 - LockWasher - Priced Individually [ More info ] $1.20 10+ In Stock.
#7	58397A 3	BRACKET ASSEMBLY, MOUNTING - HYDRAULIC PUMP (FLOOR MOUNTING) (1 required per assembly)
		58397A 3 - Bracket Assembly [ More info ] $16.00 2 In Stock.
		88893A 4 - Mounting Kit [ More info ] Unavailable
		42419A 1 - Bracket Kit [ More info ] Unavailable
		862548A 1 - Bracket Kit [ More info ] $205.73 1 In Stock.
		18-6750 - Bracket, 862548A1 [ More info ] $179.59 $160.13 In Stock
		18-6749 - Bracket, 862548A1 [ More info ] $126.49 $114.64 1 In Stock.
#8	58491	BUMPER, RUBBER - PUMP MOUNTING BRACKET (2 required per assembly)
		58491 - Channel Rubber, NLA [ More info ] $3.10 $2.64 10+ In Stock.
#9	10-59784	SCREW, PUMP MOUNTING BRACKET ATTACHING (1") (6 required per assembly)
		10-59784 - Screw [ More info ] Unavailable
#10	12-29245	WASHER, PUMP MOUNTING BRACKET (6 required per assembly)
		12-29245 - Washer [ More info ] $0.89 10+ In Stock.
		12-8M0204649 - WASHER Note: Priced Individually [ More info ] $1.20 9 In Stock.
#11	45377	BRACKET, MOUNTING - HYDRAULIC PUMP (TRANSOM MOUNTING) (2 required per assembly)
		45377 - Bracket [ More info ] $1.25 4 In Stock.
		45377T - Bracket, NLA [ More info ] $6.75 10+ In Stock.
#12	10-24234	SCREW, HYDRAULIC PUMP TO MOUNTING BRACKET (1") (4 required per assembly)
		10-24234 - Screw - Priced Individually [ More info ] Unavailable
		10-35386 - Screw - Priced Individually [ More info ] $1.10 10+ In Stock.
#13	13-39107	LOCKWASHER, HYDRAULIC PUMP SCREW (4 required per assembly)
		13-39107 - LockWasher - Priced Individually [ More info ] $1.40 10+ In Stock.
#14	11-21908	NUT, HYDRAULIC PUMP SCREW (4 required per assembly)
		11-21908 - Nut (5/16x18) [ More info ] $3.10 10+ In Stock.
#15	10-68298	SCREW, PUMP MOUNTING BRACKET TO TRANSOM (3 1/4") (2 required per assembly)
		10-68298 - Screw, NLA [ More info ] $8.76 10+ In Stock.
#16	11-35304	NUT, PUMP MOUNTING BRACKET SCREW (2 required per assembly)
		11-35304 - Nut, Mounting Bracket Bolt [ More info ] $1.50 10+ In Stock.
#17	84-74023	CONNECTOR AND HARNESS (GREEN LEAD 5 1/2" LONG) (1 required per assembly)
		84-74023 - CONNECTOR [ More info ] Unavailable
		84-74023A 1 - Harness Assembly, NLA [ More info ] $27.78 10+ In Stock.
#18	45559	TERMINAL BLOCK, HYDRAULIC PUMP (1 required per assembly)
		45559 - Terminal Block [ More info ] $1.99 10+ In Stock.
#19	10-48409	SCREW, TERMINAL BLOCK TO HYDRAULIC PUMP (1/2") (2 required per assembly)
		10-48409 - Screw - Priced Individually [ More info ] $2.40 8 In Stock.
#20	10-62568	SCREW, HARNESS LEADS TO TERMINAL BLOCK (3/8") (2 required per assembly)
		10-62568 - Screw - Priced Individually [ More info ] $1.10 10+ In Stock.
#21	57756	WIRING HARNES, HYDRAULIC PUMP (1 required per assembly)
		57756 - Harness [ More info ] $8.00 4 In Stock.
		84-93542A 1 - Harness Assembly, NLA [ More info ] $20.00 9 In Stock.
#23	89-68258	STARTER SOLENOID (1 required per assembly)
		89-68258 - Solenoid [ More info ] Unavailable
		89-68258A 4 - Solenoid [ More info ] Unavailable
		89-853654A 1 - Solenoid [ More info ] $41.89 10+ In Stock.
		18-5815 - Solenoid 89-853654A1 [ More info ] $36.99 $33.40 10+ In Stock.
		SW275 - Solenoid, 89-853654A 1 [ More info ] $33.75 2 In Stock.
#24	13-26996	LOCKWASHER, STARTER SOLENOID TERMINAL (#10) (2 required per assembly)
		13-26996 - LockWasher - Priced Individually [ More info ] $1.20 10+ In Stock.
#25	11-68219	NUT, STARTER SOLENOID TERMINAL (#10) (2 required per assembly)
		11-68219 - Nut (#10-32) [ More info ] $2.90 10+ In Stock.
#26	13-26993	LOCKWASHER, STARTER SOLENOID TERMINAL (5/16") (2 required per assembly)
		13-26993 - LockWasher - Priced Individually [ More info ] $0.99 10+ In Stock.
		138M0204647 - LOCKWASHER, Priced Individually [ More info ] $1.70 Available to Order: Usually ships within 10 days.
#27	11-68292	NUT, STARTER SOLENOID TERMINAL (5/16"-18) (2 required per assembly)
		11-68292 - Nut (5/16 Inch) [ More info ] $1.50 10+ In Stock.
		11-8M0204668 - NUT @5 [ More info ] Unavailable
#28	46265	BOOT, RUBBER - STARTER SOLENOID TERMINAL (2 required per assembly)
		46265 - Boot [ More info ] $4.00 $3.40 6 In Stock.
#29	10-69052	SCREW, STARTER SOLENOID TO MOUNTING BRACKET (1/2") (2 required per assembly)
		10-69052 - Screw [ More info ] Unavailable
		10-98256 - Screw [ More info ] $1.10 $0.48 9 In Stock.
#31	11-21825	NUT,STARTER SOLENOID SCREW (2 required per assembly)
		11-21825 - Nut, (1/4x28) [ More info ] $1.60 10+ In Stock.
#32	74407	BRACKET, MOUNTING- STARTER SOLENOID (1 required per assembly)
		74407 - Bracket [ More info ] $2.00 1 In Stock.
		74407T - Bracket, NLA [ More info ] $14.00 10+ In Stock.
#33	10-21140	SCREW, MOUNTING BRACKET TO HYDRAULIC PUMP (1/2") (2 required per assembly)
		10-21140 - Screw, NLA [ More info ] $1.25 10+ In Stock.
#36	11-24656	NUT, MOUNTING BRACKET TO HYDRAULIC PUMP THRU BOLT (1 required per assembly)
		11-24656 - Nut, NLA [ More info ] $1.53 10+ In Stock.
#37	55642A 1	PANEL ASSEMBLY, CONTROL (1 required per assembly)
		55642A 1 - Panel Assembly [ More info ] $48.99 3 In Stock.
		55642A17 - Control Panel Assembly [ More info ] $44.43 2 In Stock.
#38	16-55422	STUD, CONTROL PANEL TO BOAT (2") (4 required per assembly)
		16-55422 - Stud - Priced Individually [ More info ] $6.50 10+ In Stock.
#39	12-24676	WASHER, CONTROL PANEL STUD (4 required per assembly)
		12-24676 - Washer, (.200 X .440 X .032) [ More info ] $1.40 Available to Order: Usually ships within 10 days.
#40	11-27164	NUT, CONTROL PANEL STUD (4 required per assembly)
		11-27164 - Nut And Lockwasher (#10-32) [ More info ] $1.50 Available to Order: Usually ships within 10 days.
#41	55738A 1	SWITCH, PUSH BUTTON - CONTROL PANEL (3 required per assembly)
		55738A 1 - Switch Assembly [ More info ] $26.28 3 In Stock.
#42	48078	JUMPER WIRE, PUSH BUTTON SWITCH (RED - 3 1/4") (1 required per assembly)
		48078 - Jumper Wire, NLA [ More info ] Unavailable
#42	53107	JUMPER WIRE, PUSH BUTTON SWITCH (PURPLE - 3") (1 required per assembly)
		53107 - Jumper Wire [ More info ] $1.65 3 In Stock.
#43	55641	RETAINER, PUSH BUTTON SWITCH (1 required per assembly)
		55641 - Retainer, NLA [ More info ] $9.99 4 In Stock.
#45	45341 20	HARNESS, CONTROL PANEL (1 required per assembly)
		45341 20 - Harness 20 FT [ More info ] Unavailable
		84-79282 20 - Harness [ More info ] Unavailable
		84-87394A20 - Harness Assembly [ More info ] $163.83 Available to Order: Usually ships within 10 days.
#46	33865	BINDER, NYLON - CONTROL PANEL HARNESS (1 required per assembly)
		33865 - Binder, NLA [ More info ] $2.14 1 In Stock.
#47	54-46770	CLAMP, HARNESS ATTACHING (1 required per assembly)
		54-46770 - Clamp [ More info ] Unavailable
		95814 - Strap [ More info ] $20.67 Available to Order: Usually ships within 10 days.
#48	10-29227	SCREW, HARNESS ATTACHING CLAMP (1/2") (1 required per assembly)
		10-29227 - Screw [ More info ] $3.30 $0.66 10+ In Stock.
#49	11-34388	NUT, HARNESS ATTACHING CLAMP SCREW (1 required per assembly)
		11-34388 - Nut [ More info ] $0.99 3 In Stock.
#50	84-61109	BATTERY LEAD (POSITIVE) (1 required per assembly)
		84-61109 - BATTERY LEAD [ More info ] Unavailable
		84-79138A 1 - Cable Assembly, NLA [ More info ] $25.00 10 In Stock.
#50	84-61110	BATTERY LEAD (NEGATIVE) (1 required per assembly)
		84-61110 - 8479139A9 [ More info ] Unavailable
		84-79017 - BATTERY LEAD [ More info ] Unavailable
		84-79139A 9 - Cable Assembly, NLA [ More info ] $9.00 10+ In Stock.