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Parts for MerCruiser 250 (2 Barrel.) GM 350 V-8 1977 Rocker Cover & Cylinder Head

# 37-77555 DECAL, ROCKER COVER (250 H.P.) (2 required per assembly)
37-77555 - DECAL              NLA
 

About Mercury Marine

OEM Part

37-77555 - DECAL,NLA [ More info ]
Unavailable
# 37-77254 DECAL, WAVES (1 required per assembly)
37-77254 - DECAL              NLA
 

About Mercury Marine

OEM Part

37-77254 - DECAL,NLA [ More info ]
Unavailable
#1 72639 COVER, ROCKER (2 required per assembly)
72639 - COVER              - Replaced by -79961
 

72639 - Rocker Cover [ More info ]
Unavailable
79961 - COVER              - Replaced by -79961T1
 

79961 - Rocker Cover [ More info ]
Unavailable
79961T1 - COVER-ROCKER           NLA
 

About Mercury Marine

OEM Part

79961T 1 - Rocker Cover [ More info ]
Unavailable
#2 49288 CAP, OIL FILLER (1 required per assembly)
49288 - CAP ASSEMBLY Oil   - Replaced by -17345
 

49288 - Cap [ More info ]
Unavailable
CAP-OIL FILLER 17345
17345

About Mercury Marine

OEM Part

17345 - Oil Filler Cap [ More info ]

Add to shopping cart $27.78
2 In Stock.

#3 10-35366 SCREW, ROCKER VALVE COVER TO CYLINDER HEAD (1/2") (8 required per assembly)
108M0040582 10-35366
10-35366

About Mercury Marine

OEM Part

10-35366 - Screw - Priced Individually [ More info ]

Add to shopping cart $18.88
10+ In Stock.

SCREW 10-8M0040582
10-8M0040582

About Mercury Marine

OEM Part

10-8M0040582 - Dipstick Tube MT Screw - Priced Individually [ More info ]

Add to shopping cart $15.10
Available to Order: Usually ships within 10 days.

#3A 49174 REINFORCEMENT, VALVE ROCKER COVER (8 required per assembly)
REINFORCEMNT 49174
49174

About Mercury Marine

OEM Part

49174 - Valve Cover Reinforcement [ More info ]

Add to shopping cart $10.30
1 In Stock.

#4 27-52202 GASKET, ROCKER VALVE COVER (2 required per assembly)
27-52202 - GASKET             - Replaced by 27-11999
27-52202

27-52202 - Rocker Valve Cover Gasket [ More info ]
Unavailable
GASKET 27-11999
27-11999

About Mercury Marine

OEM Part

27-11999 - Rocker Cover Gasket [ More info ]

Add to shopping cart $39.50
7 In Stock.

VALVE COVER GASKET
18-2845

About Sierra Marine

OEM Match

18-2845 - Gasket, 912965, 27-11999 [ More info ]

Add to shopping cart $28.99 $24.86
In Stock

#5 35330 ROD, VALVE PUSH (16 required per assembly)
99948 35330
 

About Mercury Marine

OEM Part

35330 - Push Rod [ More info ]

Add to shopping cart $3.00
10+ In Stock.

PUSH ROD 99948
99948

About Mercury Marine

OEM Part

99948 - Push Rod [ More info ]

Add to shopping cart $11.20 $9.52
10+ In Stock.

#6 35323 VALVE, EXHAUST (STANDARD) (8 required per assembly)
VALVE-EXHAUST,NLA 35323
35323

About Mercury Marine

OEM Part

35323 - Exhaust Valve, NLA [ More info ]

Add to shopping cart $36.00
3 In Stock.

#6 49076 VALVE, EXHAUST (.015 O.S.) (AR required per assembly)
VALVE,NLA 49076
49076

About Mercury Marine

OEM Part

49076 - Valve, NLA [ More info ]

Add to shopping cart $11.25
4 In Stock.

#7 52365 VALVE, INLET (STANDARD) (8 required per assembly)
97661 52365
52365

About Mercury Marine

OEM Part

52365 - Valve [ More info ]

Add to shopping cart $20.00
1 In Stock.

97661 - VALVE
97661

About Mercury Marine

OEM Part

97661 - Valve [ More info ]
Unavailable
#7 72641 VALVE, INLET (.015 O.S.) (AR required per assembly)
72641 - VALVE              - Replaced by -52366
 

72641 - VALVE [ More info ]
Unavailable
52366 - VALVE              - Replaced by -97662
 

52366 - Valve, NLA [ More info ]
Unavailable
97662 - VALVE              NLA
97662

About Mercury Marine

OEM Part

97662 - Valve, NLA [ More info ]
Unavailable
#8 26-34217 SEAL, VALVE (16 required per assembly)
SEAL 26-34217
26-34217

About Mercury Marine

OEM Part

26-34217 - Seal - Priced Individually [ More info ]

Add to shopping cart $6.00 $2.64
10+ In Stock.

OIL SEAL
18-0518

About Sierra Marine

OEM Match

18-0518 - Seal, 26-34217 [ More info ]

Add to shopping cart $4.99
Available to Order: Usually ships within 10 days.

#9 24-48347 SPRING, VALVE (INLET) (8 required per assembly)
SPRING 24-48347
24-48347

About Mercury Marine

OEM Part

24-48347 - Spring, Valve (inlet & Exhaust) [ More info ]

Add to shopping cart $24.92 $21.18
3 In Stock.

#9 24-72642 SPRING, VALVE (EXHAUST) (8 required per assembly)
SPRING,NLA 24-72642
 

About Mercury Marine

OEM Part

24-72642 - Spring, Valve (inlet And Exhaust)NLA [ More info ]

Add to shopping cart $2.50
1 In Stock.

#10 34518 SHIELD, VALVE SPRING CAP (16 required per assembly)
34518 - SHIELD             - Replaced by -34518001
34518

34518 - Shield [ More info ]
Unavailable
34518001 - SHIELD             NLA
 

About Mercury Marine

OEM Part

34518001 - SHIELD NLA [ More info ]
Unavailable
#11 48348 CAP, INLET VALVE (8 required per assembly)
CAP,NLA 48348
48348

About Mercury Marine

OEM Part

48348 - Cap, NLA [ More info ]

Add to shopping cart $4.00
10+ In Stock.

#12 35328 ROTATOR ASSEMBLY, VALVE SPRING - EXHAUST VALVE (8 required per assembly)
11965 35328
 

About Mercury Marine

OEM Part

35328 - Rotator [ More info ]

Add to shopping cart $7.00
10 In Stock.

11965 - ROTATOR            NLA
11965

About Mercury Marine

OEM Part

11965 - Rotator [ More info ]
Unavailable
#13 28-54797 KEY, VALVE STEM (32 required per assembly)
28547971 28-54797
28-54797

About Mercury Marine

OEM Part

28-54797 - Key - Priced Individually [ More info ]

Add to shopping cart $1.00
1 In Stock.

KEY 28-547971
28-547971

About Mercury Marine

OEM Part

28-54797 1 - Key - Priced Individually [ More info ]

Add to shopping cart $16.40
10+ In Stock.

#14 35329 ARM, ROCKER VALVE (16 required per assembly)
35329 - ARM KIT
35329

About Mercury Marine

OEM Part

35329 - Rocker Arm Kit [ More info ]
Unavailable
ROCKER ARM KIT 8M0173156
 

About Mercury Marine

OEM Part

8M0173156 - ROCKER ARM KIT [ More info ]

Add to shopping cart $71.17
Available to Order: Usually ships within 10 days.

#15 35331 BALL UNIT, ROCKER VALVE ARM (16 required per assembly)
BALL-ROCKER ARM 35331
35331

About Mercury Marine

OEM Part

35331 - Ball - Rocker Arm [ More info ]

Add to shopping cart $2.50
10+ In Stock.

#16 11-34516 NUT, ROCKER VALVE ARM STUD (16 required per assembly)
NUT 11-34516
11-34516

About Mercury Marine

OEM Part

11-34516 - Nut - Priced Individually [ More info ]

Add to shopping cart $19.90 $16.92
5 In Stock.

#17 938-4625 CYLINDER HEAD ASSEMBLY (2 required per assembly)
938-4625 - CYLINDER HEAD      - Replaced by 938-7358
 

938-4625 - Cylinder Head [ More info ]
Unavailable
938-7358 - CYLINDER HEAD      - Replaced by 938-7499
 

938-7358 - Cylinder Head [ More info ]
Unavailable
938-7499 - CYLINDER HEAD ASS  NLA
 

About Mercury Marine

OEM Part

938-7499 - CYLINDER HE,NLA [ More info ]
Unavailable
#18 16-34522 STUD, ROCKER VALVE ARM (.033 O.S.) (AR required per assembly)
STUD 16-34522
16-34522

About Mercury Marine

OEM Part

16-34522 - Stud [ More info ]

Add to shopping cart $14.50
2 In Stock.

#18 16-34521 STUD, ROCKER VALVE ARM (.013 O.S.) (AR required per assembly)
16-34521 - STUD               NLA
16-34521

About Mercury Marine

OEM Part

16-34521 - Stud [ More info ]
Unavailable
#19 27-75611 GASKET, CYLINDER HEAD (2 required per assembly)
27-75611 - GASKET             - Replaced by 27-75611001
27-75611

27-75611 - Cylinder Head Gasket [ More info ]
Unavailable
GASKET 27-75611001
27-75611001

About Mercury Marine

OEM Part

27-75611001 - Gasket [ More info ]

Add to shopping cart $63.25
In Stock

HEAD GASKET
18-3876

About Sierra Marine

OEM Match

18-3876 - Head Gasket 27-75611, 914971 [ More info ]

Add to shopping cart $51.99 $47.05
10+ In Stock.

#20 10-35317 BOLT, CYLINDER HEAD TO CYLINDER BLOCK (1 3/4") (16 required per assembly)
10-35317 - BOLT               - Replaced by 10-11968
 

10-35317 - Screw [ More info ]
Unavailable
SCREW (.437-14 x 1.750) 10-11968
10-11968

About Mercury Marine

OEM Part

10-11968 - Screw [ More info ]

Add to shopping cart $15.70
Available to Order: Usually ships within 10 days.

#21 10-35318 BOLT, CYLINDER HEAD TO CYLINDER BLOCK (3") (4 required per assembly)
1011967 10-35318
 

About Mercury Marine

OEM Part

10-35318 - Bolt [ More info ]

Add to shopping cart $0.85
4 In Stock.

10-11967 - BOLT (3 In.)       - Replaced by 10-119671
 

10-11967 - SCREW [ More info ]
Unavailable
SCREW (.437-14 x 3.00) 10-119671
10-119671

About Mercury Marine

OEM Part

10-11967 1 - Screw [ More info ]

Add to shopping cart $16.40
1 In Stock.

#22 10-35316 BOLT, CYLINDER HEAD TO CYLINDER BLOCK (3 3/4") (14 required per assembly)
1011966 10-35316
 

About Mercury Marine

OEM Part

10-35316 - Bolt [ More info ]

Add to shopping cart $0.90
4 In Stock.

SCREW (.437-14 x 3.750) 10-11966
10-11966

About Mercury Marine

OEM Part

10-11966 - Screw [ More info ]

Add to shopping cart $15.90
Available to Order: Usually ships within 10 days.


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