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Parts for MerCruiser 120 GM 153 I / L4 1972-1978 Cylinder Head & Rocker Cover

#1 62234A 2 COVER ASSEMBLY, ROCKER (1 required per assembly) SEE NOTE SERIAL 00337341-00341707
COVER ASSY ,NLA 62234A 2
 

About Mercury Marine

OEM Part

62234A 2 - Cover Assembly, NLA [ More info ]

Add to shopping cart $175.00
7 in stock. Explain stock levels

#1 65635 COVER ASSEMBLY, ROCKER (1 required per assembly) SERIAL 03461708-09999999
COVER             O - Replaced by -65635A 5
 

This part has been superseded.

65635 - COVER O [ More info ]
Unavailable
Replaced by -65635A 5
COVER ASSY        O - Replaced by -65635A 8
 

This part has been superseded.

65635A 5 - COVER ASSY O [ More info ]
Unavailable
Replaced by -65635A 8
ROCKER COVER      O - Replaced by -65635A16
 

This part has been superseded.

65635A 8 - ROCKER COVER O [ More info ]
Unavailable
Replaced by -65635A16
ROCKER COVER      O NLA
65635A16

About Mercury Marine

OEM Part

ROCKER COVER O NLA [ More info ]
Unavailable
#2 37-55451 DECAL, ROCKER COVER (1 required per assembly) SERIAL 00000000-04626609
STUD              O - Replaced by 16-72452
 

This part has been superseded.

16-55451 - STUD O [ More info ]
Unavailable
Replaced by 16-72452
STUD              O NLA
 

About Mercury Marine

OEM Part

STUD O NLA [ More info ]
Unavailable
#2 37-77246 DECAL, ROCKER COVER (1 required per assembly) SERIAL 04626610-09999999
DECAL             O NLA
 

About Mercury Marine

OEM Part

DECAL O NLA [ More info ]
Unavailable
#3 10-35585 SCREW, ROCKER COVER TO CYLINDER HEAD (3/4") (5 required per assembly)
1098510 10-35585
 

About Mercury Marine

OEM Part

10-35585 - Screw - Priced Individually [ More info ]

Add to shopping cart $0.34
9 in stock. Explain stock levels

SCREW             O - Replaced by 10-65746
 

This part has been superseded.

10-98510 - SCREW O [ More info ]
Unavailable
Replaced by 10-65746
SCREW (.250-20 x .750) 10-65746
10-65746

About Mercury Marine

OEM Part

10-65746 - Screw w/ Lw - Priced Individually [ More info ]

Add to shopping cart $0.80
2 in stock. Explain stock levels

#3 10-38627 SCREW, ROCKER COVER TO CYLINDER HEAD (5/8") (2 required per assembly)
SCREW @5          O - Replaced by 10-98511
 

This part has been superseded.

10-38627 - SCREW @5 O [ More info ]
Unavailable
Replaced by 10-98511
1098254 10-98511
 

About Mercury Marine

OEM Part

10-98511 - Screw [ More info ]

Add to shopping cart $0.45
1 in stock. Explain stock levels

SCREW (.250-20 x .620) 10-98254
10-98254

About Mercury Marine

OEM Part

10-98254 - Screw [ More info ]

Add to shopping cart $0.40
Available to order: Usually ships within 8 days. Explain stock levels

#4 25-52188 GROMMET, ROCKER COVER (1 required per assembly)
238M0071559 25-52188
 

About Mercury Marine

OEM Part

25-52188 - Grommet [ More info ]

Add to shopping cart $4.00
2 in stock. Explain stock levels

BUSHING 23-8M0071559
 

About Mercury Marine

OEM Part

23-8M0071559 - Grommet [ More info ]

Add to shopping cart $6.20
Available to order: Usually ships within 8 days. Explain stock levels

#5 47957 CONNECTOR, VENT HOSE (1 required per assembly)
CONNECTOR,NLA 47957
 

About Mercury Marine

OEM Part

47957 - Vent Hose Connector, NLA [ More info ]

Add to shopping cart $16.50
1 in stock. Explain stock levels

#6 54-64648 CLAMP, VENT HOSE TO CONNECTOR (1 required per assembly)
CLAMP ,NLA 54-64648
 

About Mercury Marine

OEM Part

54-64648 - Clamp, NLA [ More info ]

Add to shopping cart $3.00
3 in stock. Explain stock levels

#7 57638 BAFFLE, ROCKER COVER (1 required per assembly)
57638T 57638
 

About Mercury Marine

OEM Part

57638 - Baffle [ More info ]

Add to shopping cart $16.75
1 in stock. Explain stock levels

BAFFLE            O NLA
 

About Mercury Marine

OEM Part

BAFFLE O NLA [ More info ]
Unavailable
#8 10-30663 SCREW, BAFFLE TO ROCKER COVER (4 required per assembly)
SCREW @10         O - Replaced by 10-62568
 

This part has been superseded.

10-30663 - SCREW @10 O [ More info ]
Unavailable
Replaced by 10-62568
SCREW (#10-16 x .375) 10-62568
10-62568

About Mercury Marine

OEM Part

10-62568 - Screw - Priced Individually [ More info ]

Add to shopping cart $0.80
10+ in stock. Explain stock levels

#9 12-20583 WASHER, ROCKER COVER (5 required per assembly) SERIAL 03377341-03461707
WASHER Note: must be ordered in multiples of 5 12-20583
 

About Mercury Marine

OEM Part

12-20583 - Washer - Priced Individually [ More info ]

Add to shopping cart $1.10
10+ in stock. Explain stock levels

#10 54-46721 CLIP, ROCKER COVER SCREW (2 required per assembly) SERIAL 03377341-03461707
CLIP              O NLA
 

About Mercury Marine

OEM Part

CLIP O NLA [ More info ]
Unavailable
#10 54-49542 CLAMP, INLET HOSE - ROCKER COVER SCREW (1 required per assembly)
CLAMP 54-49542
 

About Mercury Marine

OEM Part

54-49542 - Clamp [ More info ]

Add to shopping cart $1.00
10+ in stock. Explain stock levels

#11 37-55540 DECAL, ROCKER COVER - "120 H.P." (1 required per assembly) SERIAL 00000000-04626609
DECAL             O NLA
 

About Mercury Marine

OEM Part

DECAL O NLA [ More info ]
Unavailable
#12 37-77253 DECAL, WAVES (1 required per assembly) SERIAL 04626610-09999999
DECAL             O NLA
 

About Mercury Marine

OEM Part

DECAL O NLA [ More info ]
Unavailable
#13 49288 OIL FILTTER CAP ASSEMBLY, ROCKER COVER (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

#14 27-52145 GASKET, ROCKER COVER TO CYLINDER HEAD (1 required per assembly)
GASKET            O - Replaced by 27-806452
 

This part has been superseded.

27-52145 - GASKET O [ More info ]
Unavailable
Replaced by 27-806452
GASKET
27-806452

About Mercury Marine

OEM Part

GASKET [ More info ]
Unavailable
Gasket
18-0347

About Sierra Marine

OEM Match

18-0347 - Gasket 27-806452 [ More info ]

Add to shopping cart $11.99 $9.33
10+ in stock. Explain stock levels

#15 28-54797 KEY, VALVE STEM (2 PER VALVE) (8 required per assembly)
KEY @2            O - Replaced by 28-54797  1
 

This part has been superseded.

28-54797 - KEY @2 O [ More info ]
Unavailable
Replaced by 28-54797 1
KEY @2            O
28-54797  1

About Mercury Marine

OEM Part

KEY @2 O [ More info ]
Unavailable
#16 34515 CAP, VALVE STEM (8 required per assembly)
FI1100604 34515
 

About Mercury Marine

OEM Part

34515 - FI1100604 [ More info ]

Add to shopping cart $1.47
5 in stock. Explain stock levels

CAP FI1100604
FI1100604

About Mercury Marine

OEM Part

FI1100604 - Cap [ More info ]

Add to shopping cart $18.20 $15.59
Available to order: Usually ships within 8 days. Explain stock levels

#17 26-34217 SEAL, VALVE SPRING CAP (8 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
2 in stock. Explain stock levels

#18 34518 SHIELD, VALVE SPRING CAP (8 required per assembly)
34518001 34518
34518

About Mercury Marine

OEM Part

34518 - Shield [ More info ]

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

SHIELD            O NLA
 

About Mercury Marine

OEM Part

SHIELD O NLA [ More info ]
Unavailable
#19 24-35214 SPRING, VALVE (8 required per assembly)
SPRING 24-35214
24-35214

About Mercury Marine

OEM Part

24-35214 - Spring [ More info ]

Add to shopping cart $12.10
Available to order: Usually ships within 8 days. Explain stock levels

#20 11-34516 NUT, ROCKER VALVE ARM STUD (8 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
4 in stock. Explain stock levels

#21 59340 BALL UNIT, ROCKER VALVE ARM STUD (8 required per assembly)
BALL Rocker Arm 59340
59340

About Mercury Marine

OEM Part

59340 - Ball [ More info ]

Add to shopping cart $2.80
10+ in stock. Explain stock levels

#22 34519 ARM, ROCKER VALVE (8 required per assembly)
ARM KIT 34519
34519

About Mercury Marine

OEM Part

34519 - Rocker Valve Arm [ More info ]

Add to shopping cart $11.75
Available to order: Usually ships within 8 days. Explain stock levels

#23 936-5319 CYLINDER HEAD ASSEMBLY (TAPERED SPARK PLUG SEATS) (1 required per assembly)
ORD 8M0115134     O NLA
 

About Mercury Marine

OEM Part

ORD 8M0115134 O NLA [ More info ]
Unavailable
#24 16-34521 STUD, VALVE ROCKER ARM (.013 O.S.) (AR required per assembly)
STUD              O NLA
16-34521

About Mercury Marine

OEM Part

STUD O NLA [ More info ]
Unavailable
#24 16-34522 STUD, VALVE ROCKER 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

#25 19-34272 PLUG, EXPANSION - CYLINDER HEAD (15/16"DIA.) (2 required per assembly)
PLUG 19-34272
 

About Mercury Marine

OEM Part

19-34272 - Plug [ More info ]

Add to shopping cart $41.41
10+ in stock. Explain stock levels

#26 10-34510 BOLT, CYLINDER HEAD TO CYLINDER BLOCK (10 required per assembly)
BOLT 10-34510
10-34510

About Mercury Marine

OEM Part

10-34510 - Bolt [ More info ]

Add to shopping cart $13.80
Available to order: Usually ships within 8 days. Explain stock levels

#27 27-34273 GASKET, CYLINDER HEAD TO CYLINDER BLOCK (1 required per assembly)
GASKET            O - Replaced by 27-34273  1
27-34273

This part has been superseded.

27-34273 - GASKET O [ More info ]
Unavailable
Replaced by 27-34273 1
GASKET 27-34273  1
27-34273  1

About Mercury Marine

OEM Part

27-34273 1 - Gasket [ More info ]

Add to shopping cart $66.30 $56.77
In stock Explain stock levels

Head Gasket
18-3880

About Sierra Marine

OEM Match

18-3880 - Head Gasket 27-34273 [ More info ]

Add to shopping cart $54.99 $44.36
5 in stock. Explain stock levels

#28 34532 ROD, PUSH -VALVE (8 required per assembly)
PUSH ROD 34532
34532

About Mercury Marine

OEM Part

34532 - Push Rod [ More info ]

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

#29 62421 VALVE,INLET (STANDARD STEM) (4 required per assembly)
VALVE,NLA 62421
62421

About Mercury Marine

OEM Part

62421 - Inlet Valve, NLA [ More info ]

Add to shopping cart $18.00
10+ in stock. Explain stock levels

#29 62422 VALVE, INLET (.015 O.S. STEM) (AR required per assembly)
VALVE,NLA 62422
62422

About Mercury Marine

OEM Part

62422 - Valve, NLA [ More info ]

Add to shopping cart $8.00
10+ in stock. Explain stock levels

#30 85803 VALVE, EXHAUST (STANDARD STEM) (4 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

#30 49076 VALVE, EXHAUST (.015 O.S. STEM) (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

#31 839-3548 CYLINDER BLOCK ASSEMBLY (SEE PAGE 18 FOR BREAKDOWN) (1 required per assembly)
ORD 87956A 1      O NLA
 

About Mercury Marine

OEM Part

ORD 87956A 1 O NLA [ More info ]
Unavailable