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Parts for MerCruiser 255 MIE GM 350 V-8 1979-1980 Rocker Cover & Cylinder Head

#1 79961 COVER, ROCKER (2 required per assembly)
79961 - COVER             O - Replaced by -79961T 1
 

This part has been superseded.

79961 - 79961 - COVER O [ More info ]
Unavailable
Replaced by -79961T 1
79961T 1 - COVER-ROCKER      O NLA
 

About Mercury Marine

OEM Part

79961T 1 - COVER-ROCKER O NLA [ More info ]
Unavailable
#2 49288 CAP, OIL FILLER (1 required per assembly)
17345 49288
 

About Mercury Marine

OEM Part

49288 - Cap [ More info ]

Add to shopping cart $18.70
10 in stock. Explain stock levels

CAP 17345
17345

About Mercury Marine

OEM Part

17345 - Oil Filler Cap [ More info ]

Add to shopping cart $25.84
Available to order: Usually ships within 8 days. Explain stock levels

#- 37-77255 DECAL, ROCKER COVER - "WAVES" (2 required per assembly)
37-77255 - DECAL             O NLA
 

About Mercury Marine

OEM Part

37-77255 - DECAL O NLA [ More info ]
Unavailable
#- 37-77257 DECAL, ROCKER COVER (225 H.P.) (2 required per assembly)
37-77257 - DECAL             O NLA
 

About Mercury Marine

OEM Part

37-77257 - DECAL O NLA [ More info ]
Unavailable
#3 10-35366 SCREW, ROCKER VALVE COVER TO CYLINDER HEAD (1/2") (8 required per assembly)
SCREW Note: must be ordered in multiples of 5 10-35366
10-35366

About Mercury Marine

OEM Part

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

Add to shopping cart $9.00
10+ in stock. Explain stock levels

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

About Mercury Marine

OEM Part

49174 - Valve Cover Reinforcement [ More info ]

Add to shopping cart $9.50
10+ in stock. Explain stock levels

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

This part has been superseded.

27-52202 - 27-52202 - GASKET O [ More info ]
Unavailable
Replaced by 27-11999
GASKET 27-11999
27-11999

About Mercury Marine

OEM Part

27-11999 - Gasket [ More info ]

Add to shopping cart $28.60 $24.50
Available to order: Usually ships within 8 days. Explain stock levels

Valve Cover Gasket
18-2845

About Sierra Marine

OEM Match

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

Add to shopping cart $25.99 $19.94
1 in stock. Explain stock levels

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

About Mercury Marine

OEM Part

35330 - ROD [ More info ]

Add to shopping cart $7.85
10+ in stock. Explain stock levels

PUSH ROD 99948
99948

About Mercury Marine

OEM Part

99948 - Push Rod [ More info ]

Add to shopping cart $8.00
3 in stock. Explain stock levels

#6 85803 VALVE, EXHAUST (STANDARD) -SEE NOTE BELOW (8 required per assembly)
VALVE 85803
85803

About Mercury Marine

OEM Part

85803 - Exhaust Valve, NLA [ More info ]

Add to shopping cart $14.91
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

49076 - Valve, NLA [ More info ]

Add to shopping cart $15.00
7 in stock. Explain stock levels

#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 $12.65
6 in stock. Explain stock levels

VALVE 97661
97661

About Mercury Marine

OEM Part

97661 - Valve [ More info ]

Add to shopping cart $15.16
Available to order: Usually ships within 8 days. Explain stock levels

#7 72641 VALVE, INLET (.015 O.S.) (AR required per assembly)
72641 - VALVE             O - Replaced by -52366
 

This part has been superseded.

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

This part has been superseded.

52366 - 52366 - VALVE O [ More info ]
Unavailable
Replaced by -97662
VALVE,NLA 97662
97662

About Mercury Marine

OEM Part

97662 - Valve, NLA [ More info ]

Add to shopping cart $75.00
4 in stock. Explain stock levels

#8 26-34217 SEAL, VALVE (16 required per assembly)
SEAL Note: must be ordered in multiples of 8 26-34217
26-34217

About Mercury Marine

OEM Part

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

Add to shopping cart $1.80
10+ in stock. Explain stock levels

Oil Seal
18-0518

About Sierra Marine

OEM Match

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

Add to shopping cart $1.99 $1.11
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

24-48347 - Spring [ More info ]

Add to shopping cart $8.10
10 in stock. Explain stock levels

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

About Mercury Marine

OEM Part

24-72642 - SPRING O NLA [ More info ]
Unavailable
#10 34518 SHIELD, VALVE SPRING CAP (16 required per assembly)
34518001 34518
34518

About Mercury Marine

OEM Part

34518 - Shield [ More info ]

Add to shopping cart $1.70
3 in stock. Explain stock levels

34518001 - SHIELD            O NLA
 

About Mercury Marine

OEM Part

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

About Mercury Marine

OEM Part

48348 - Cap, NLA [ More info ]

Add to shopping cart $8.50
1 in stock. Explain stock levels

#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 $17.90
10 in stock. Explain stock levels

ROTATOR 11965
11965

About Mercury Marine

OEM Part

11965 - Rotator [ More info ]

Add to shopping cart $14.15
10+ in stock. Explain stock levels

#13 28-54797 KEY, VALVE STEM (32 required per assembly)
28-54797 - KEY               O - Replaced by 28-54797  1
 

This part has been superseded.

28-54797 - 28-54797 - KEY O [ More info ]
Unavailable
Replaced by 28-54797 1
KEY Note: must be ordered in multiples of 2 28-54797  1
28-54797  1

About Mercury Marine

OEM Part

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

Add to shopping cart $12.60
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

35329 - Arm Kit - Rocker [ More info ]

Add to shopping cart $16.59
1 in stock. Explain stock levels

Rocker Arm Assy
18-4492

About Sierra Marine

OEM Match

18-4492 - Rocker Arm, 35329 [ More info ]

Add to shopping cart $17.99 $14.98
Available to order: Usually ships within 8 days. Explain stock levels

#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 $2.10
10+ in stock. Explain stock levels

#16 11-34516 NUT, ROCKER VALVE ARM STUD (16 required per assembly)
NUT Note: must be ordered in multiples of 2 11-34516
11-34516

About Mercury Marine

OEM Part

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

Add to shopping cart $3.40
Available to order: Usually ships within 8 days. Explain stock levels

#17 938-7499 CYLINDER HEAD ASSEMBLY (SEE NOTE BELOW) (2 required per assembly)
938-7499 - CYLINDER HEAD ASS O NLA
 

About Mercury Marine

OEM Part

938-7499 - CYLINDER HEAD ASS O NLA [ More info ]
Unavailable
#18 16-34522 STUD, ROCKER VALVE ARM (.003 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 $5.80
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

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

This part has been superseded.

27-75611 - 27-75611 - GASKET O [ More info ]
Unavailable
Replaced by 27-75611001
GASKET 27-75611001
27-75611001

About Mercury Marine

OEM Part

27-75611001 - Gasket [ More info ]

Add to shopping cart $47.50
In stock Explain stock levels

Head Gasket
18-3876

About Sierra Marine

OEM Match

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

Add to shopping cart $39.99 $31.94
6 in stock. Explain stock levels

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

This part has been superseded.

10-35317 - 10-35317 - BOLT O [ More info ]
Unavailable
Replaced by 10-11968
SCREW (.437-14 x 1.750) 10-11968
10-11968

About Mercury Marine

OEM Part

10-11968 - Screw [ More info ]

Add to shopping cart $11.80
Available to order: Usually ships within 8 days. Explain stock levels

#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. Explain stock levels

10-11967 - BOLT (3 In.)      O - Replaced by 10-11967  1
 

This part has been superseded.

10-11967 - 10-11967 - BOLT (3 In.) O [ More info ]
Unavailable
Replaced by 10-11967 1
SCREW (.437-14 x 3.00) 10-11967  1
10-11967  1

About Mercury Marine

OEM Part

10-11967 1 - Screw [ More info ]

Add to shopping cart $12.20
Available to order: Usually ships within 8 days. Explain stock levels

#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. Explain stock levels

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

About Mercury Marine

OEM Part

10-11966 - Screw [ More info ]

Add to shopping cart $11.80
Available to order: Usually ships within 8 days. Explain stock levels