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Parts for MerCruiser 165 GM 250 I / L6 1970-1978 Cylinder Block, Piston & Bearings

#1 840-3504 CYLINDER BLOCK ASSEMBLY (1 required per assembly) SERIAL 00000000-04160999
CYLINDER BLOCK    O - Replaced by 840-6515
 

This part has been superseded.

840-3504 - CYLINDER BLOCK O [ More info ]
Unavailable
Replaced by 840-6515
CYLINDER BLOCK    O NLA
 

About Mercury Marine

OEM Part

CYLINDER BLOCK O NLA [ More info ]
Unavailable
#1 840-5947 CYLINDER BLOCK ASSEMBLY (1 required per assembly) SERIAL 04161000-04331786
CYLINDER BLOCK    O - Replaced by 840-6515
 

This part has been superseded.

840-5947 - CYLINDER BLOCK O [ More info ]
Unavailable
Replaced by 840-6515
#1 840-6515 CYLINDER BLOCK ASSEMBLY (1 required per assembly) SERIAL 04609544-09999999
#2 17-35465 PIN, DOWEL-CYLINDER BLOCK TO CYLINDER HEAD (2 required per assembly)
PIN Dowel (.312) 17-35465
 

About Mercury Marine

OEM Part

17-35465 - Pin -Dowel - Priced Individually [ More info ]

Add to shopping cart $4.90
1 in stock. Explain stock levels

#3 19-34270 PLUG, EXPANSION-CYLINDER BLOCK (1 5/8" DIA.) (3 required per assembly)
EXPANSION PLUG (1.625) 19-34270
19-34270

About Mercury Marine

OEM Part

19-34270 - Freeze Plug, 1-5/8 Inch [ More info ]

Add to shopping cart $7.00
9 in stock. Explain stock levels

#3 19-34271 PLUG, EXPANSION-CYLINDER BLOCK (2" DIA.) (1 required per assembly)
EXPANSION PLUG (2.00) 19-34271
 

About Mercury Marine

OEM Part

19-34271 - Plug [ More info ]

Add to shopping cart $19.50 $13.17
10+ in stock. Explain stock levels

#3 19-37531 PLUG, OIL CHANNEL-CYLINDER BLOCK (1 required per assembly)
PLUG 19-37531
 

About Mercury Marine

OEM Part

19-37531 - Plug [ More info ]

Add to shopping cart $3.70
8 in stock. Explain stock levels

#4 19-34488 PLUG, EXPANSION-CAMSHAFT BEARING HOLE (1 required per assembly) SERIAL 00000000-02963667
2272640 19-34488
 

About Mercury Marine

OEM Part

19-34488 - Plug [ More info ]

Add to shopping cart $3.70
2 in stock. Explain stock levels

#4 19-61747 PLUG, EXPANSION-CAMSHAFT HOLE (1 required per assembly) SERIAL 02963668-09999999
PLUG              O - Replaced by 19-34488
 

This part has been superseded.

19-61747 - PLUG O [ More info ]
Unavailable
Replaced by 19-34488
#5 19-34487 PLUG, PIPE-CYLINDER BLOCK (3/8") (1 required per assembly) SERIAL 00000000-03354701
PLUG (.375-18 x . O - Replaced by 22-36373
 

This part has been superseded.

19-34487 - PLUG (.375-18 x . O [ More info ]
Unavailable
Replaced by 22-36373
PLUG (.375-18) Hex - St 22-36373
 

About Mercury Marine

OEM Part

22-36373 - Plug [ More info ]

Add to shopping cart $4.20
4 in stock. Explain stock levels

#6 22-36382 PLUG, WATER DRAIN-CYLINDER BLOCK (1 required per assembly) SERIAL 00000000-03354701
FITTING (.250-18 x .62) 22-36382
22-36382

About Mercury Marine

OEM Part

22-36382 - Plug [ More info ]

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

Pipe Plug
18-8111

About Sierra Marine

OEM Match

18-8111-9 - Pipe Plug (PK3) [ More info ]

Add to shopping cart $10.77 $7.50
10+ in stock. Explain stock levels

#7 23-35168 BEARING, DISTRIBUTOR PILOT SHAFT (1 required per assembly)
BEARING           O NLA
23-35168

About Mercury Marine

OEM Part

BEARING O NLA [ More info ]
Unavailable
#8 734-3458 PISTON AND PISTON PIN ASSEMBLY (.001 O.S.) (AR required per assembly) USE STANDARD PISTON RING SERIAL 00000000-03212085
POWER CARB KIT,NLA 1397-3458
 

About Mercury Marine

OEM Part

1397-3458 - Power Carb Kit, NLA [ More info ]

Add to shopping cart $55.00
5 in stock. Explain stock levels

Carb Kit
18-7071

About Sierra Marine

OEM Match

18-7071 - Carburetor Kit 1397-3458 [ More info ]

Add to shopping cart $61.72 $49.08
1 in stock. Explain stock levels

#8 734-3159 PISTON AND PISTON PIN ASSEMBLY (.020 O.S.) (AR required per assembly) SERIAL 00000000-03212085
NLA               O NLA
 

About Mercury Marine

OEM Part

NLA O NLA [ More info ]
Unavailable
#8 734-3160 PISTON AND PISTON PIN ASSEMBLY (.030 O.S.) (AR required per assembly) SERIAL 00000000-03212085
NLA               O NLA
 

About Mercury Marine

OEM Part

NLA O NLA [ More info ]
Unavailable
#8 734-4858 PISTON AND PISTON PIN ASSENBLY(.001 O.S.) (AR required per assembly) USE STANDARD PISTON RING SERIAL 03212086-09999999
PISTON-STD          NLA
 

About Mercury Marine

OEM Part

PISTON-STD NLA [ More info ]
Unavailable
#8 734-4860 PISTON AND PISTON PIN ASSEMBLY (.030 O.S.) (AR required per assembly) SERIAL 03212086-09999999
PISTON-.030,NLA 734-4860
734-4860

About Mercury Marine

OEM Part

734-4860 - Piston - .030, NLA [ More info ]

Add to shopping cart $40.00
10+ in stock. Explain stock levels

#9 39-67132 RING, PISTON(STANDARD) (6 required per assembly)
RING 39-67132
39-67132

About Mercury Marine

OEM Part

39-67132 - Piston Ring - Std [ More info ]

Add to shopping cart $44.66
9 in stock. Explain stock levels

Piston Rings
18-3942

About Sierra Marine

OEM Match

18-3942 - Rings, 39-67132 - Special Order - No Returns [ More info ]

Add to shopping cart $63.49 $60.32
In stock - special order item. Explain stock levels

#9 39-67133 RING, PISTON (020 O.S.) (AR required per assembly) SERIAL 00000000-03212085
PISTON RING @2    O NLA
 

About Mercury Marine

OEM Part

PISTON RING @2 O NLA [ More info ]
Unavailable
#9 39-67134 RING, PISTON (.030 O.S.) (AR required per assembly)
PISTON RING-.030,NLA 39-67134
39-67134

About Mercury Marine

OEM Part

39-67134 - Piston Ring -.030, NLA [ More info ]

Add to shopping cart $50.00
10+ in stock. Explain stock levels

#10&1 BEARING, CAMSHAFT (SEE M/C SERVICE BULLETIN 83-19) (1 required per assembly)
SINGLE LAYER CASE O
 

About Mercury Marine

OEM Part

SINGLE LAYER CASE O [ More info ]
Unavailable
#12 23-49959 BEARING UNIT, CRANKSHAFT MAIN (STANDARD) (6 required per assembly) SERIAL 00000000-04331786
BEARING           O - Replaced by 23-52256
 

This part has been superseded.

23-49959 - BEARING O [ More info ]
Unavailable
Replaced by 23-52256
2385675    BEARING UNIT 23-52256
 

About Mercury Marine

OEM Part

23-52256 - Bearing Unit [ More info ]

Add to shopping cart $7.50
2 in stock. Explain stock levels

ER 23-818469     ,NLA 23-85675
23-85675

About Mercury Marine

OEM Part

23-85675 - Er 23-818469 , NLA [ More info ]

Add to shopping cart $22.00
10+ in stock. Explain stock levels

#12 23-49960 BEARING UNIT, CRANKSHAFT MAIN (.001 U.S.) (AR required per assembly) SERIAL 00000000-04331786
BEARING           O - Replaced by 23-52257
 

This part has been superseded.

23-49960 - BEARING O [ More info ]
Unavailable
Replaced by 23-52257
BEARING UNIT      O - Replaced by 23-85676
 

This part has been superseded.

23-52257 - BEARING UNIT O [ More info ]
Unavailable
Replaced by 23-85676
23818470 23-85676
 

About Mercury Marine

OEM Part

23-85676 - Ord 23-818470 [ More info ]

Add to shopping cart $12.50
8 in stock. Explain stock levels

#12 23-49961 BEARING UNIT, CRANKSHAFT MAIN (.002 U.S.) (AR required per assembly) SERIAL 00000000-04331786
BEARING           O - Replaced by 23-52258
 

This part has been superseded.

23-49961 - BEARING O [ More info ]
Unavailable
Replaced by 23-52258
NLA               O NLA
 

About Mercury Marine

OEM Part

NLA O NLA [ More info ]
Unavailable
#12 23-49962 BEARING UNIT, CRANKSHAFT MAIN (.010 U.S.) (AR required per assembly) SERIAL 00000000-04331786
BEARING           O - Replaced by 23-85692
 

This part has been superseded.

23-49962 - BEARING O [ More info ]
Unavailable
Replaced by 23-85692
BEARING           O - Replaced by 23-85713
 

This part has been superseded.

23-85692 - BEARING O [ More info ]
Unavailable
Replaced by 23-85713
23818471 23-85713
 

About Mercury Marine

OEM Part

23-85713 - Ord 23-818471 [ More info ]

Add to shopping cart $22.88
5 in stock. Explain stock levels

#12 23-49963 BEARING UNTI, CRANKSHAFT MAIN (.020 U.S.) (AR required per assembly) SERIAL 00000000-04331786
BEARING           O - Replaced by 23-85693
 

This part has been superseded.

23-49963 - BEARING O [ More info ]
Unavailable
Replaced by 23-85693
BEARING           O - Replaced by 23-85714
 

This part has been superseded.

23-85693 - BEARING O [ More info ]
Unavailable
Replaced by 23-85714
BEARING           O NLA
 

About Mercury Marine

OEM Part

BEARING O NLA [ More info ]
Unavailable
#12 23-52256 BEARING UNIT, CRANKSHAFT MAIN (STANDARD) (6 required per assembly) SERIAL 04331787-09999999
#12 23-52257 BEARING UNIT, CRANKSHAFT MAIN (.010 U.S.) (AR required per assembly) SERIAL 04331787-09999999
#12 23-52258 BEARING UNIT, CRANKSHAFT MAIN (.002 U.S.) (AR required per assembly) SERIAL 04331787-09999999
#12 23-52259 BEARING UNIT, CRANKSHAFT MAIN (.010 U.S.S) (AR required per assembly) SERIAL 04331787-09999999
BEARING UNIT      O - Replaced by 23-85713
 

This part has been superseded.

23-52259 - BEARING UNIT O [ More info ]
Unavailable
Replaced by 23-85713
#12 23-52260 BEARING UNIT, CRANKSHAFT MAIN (.020 U.S.) (AR required per assembly) SERIAL 04331787-09999999
BEARING UNIT      O - Replaced by 23-85714
 

This part has been superseded.

23-52260 - BEARING UNIT O [ More info ]
Unavailable
Replaced by 23-85714
#13 23-52261 BEARING UNIT, CRANKSHAFT MAIN-REAR (STANDARD) (AR required per assembly) SERIAL 00000000-03212085
BEARING UNIT      O - Replaced by 23-85715
 

This part has been superseded.

23-52261 - BEARING UNIT O [ More info ]
Unavailable
Replaced by 23-85715
23818469 23-85715
23-85715

About Mercury Marine

OEM Part

23-85715 - Bearing [ More info ]

Add to shopping cart $25.00
10+ in stock. Explain stock levels

BEARING SET       O - Replaced by 23-818469001
 

This part has been superseded.

23-818469 - BEARING SET O [ More info ]
Unavailable
Replaced by 23-818469001
BEARING SET 23-818469001
23-818469001

About Mercury Marine

OEM Part

23-818469001 - Bearing Set - Std [ More info ]

Add to shopping cart $150.75
1 in stock. Explain stock levels

Std. Main Bearings
18-1317

About Sierra Marine

OEM Match

18-1317 - Bearing, 23-818469 [ More info ]

Add to shopping cart $178.49 $135.45
1 in stock. Explain stock levels

#13 23-52262 BEARING UNIT, CRANKSHAFT MAIN-REAR (.001 U.S.) (AR required per assembly) SERIAL 00000000-03212085
BEARING UNIT      O - Replaced by 23-85670
 

This part has been superseded.

23-52262 - BEARING UNIT O [ More info ]
Unavailable
Replaced by 23-85670
BEARING           O - Replaced by 23-818470
 

This part has been superseded.

23-85670 - BEARING O [ More info ]
Unavailable
Replaced by 23-818470
BEARING SET       O - Replaced by 23-818470001
23-818470

This part has been superseded.

23-818470 - BEARING SET O [ More info ]
Unavailable
Replaced by 23-818470001
BEARING SET 23-818470001
 

About Mercury Marine

OEM Part

23-818470001 - Bearing Set [ More info ]

Add to shopping cart $147.67
Available to order: Usually ships within 8 days. Explain stock levels

#13 23-52263 BEARING UNIT, CRANKSHAFT MAIN-REAR (.002 U.S.) (AR required per assembly) SERIAL 00000000-03212085
BEARING UNIT      O - Replaced by 23-85671
 

This part has been superseded.

23-52263 - BEARING UNIT O [ More info ]
Unavailable
Replaced by 23-85671
BEARING           O NLA
 

About Mercury Marine

OEM Part

BEARING O NLA [ More info ]
Unavailable
#13 23-52264 BEARING UNIT, CRANKSHAFT MAIN-REAR (.010 U.S.) (AR required per assembly) SERIAL 00000000-03212085
BEARING UNIT      O - Replaced by 23-85718
 

This part has been superseded.

23-52264 - BEARING UNIT O [ More info ]
Unavailable
Replaced by 23-85718
BEARING           O - Replaced by 23-818471
 

This part has been superseded.

23-85718 - BEARING O [ More info ]
Unavailable
Replaced by 23-818471
BEARING SET       O - Replaced by 23-818471001
23-818471

This part has been superseded.

23-818471 - BEARING SET O [ More info ]
Unavailable
Replaced by 23-818471001
BEARING SET-.010 23-818471001
23-818471001

About Mercury Marine

OEM Part

23-818471001 - Bearing Set -.010 [ More info ]

Add to shopping cart $147.00
Available to order: Usually ships within 8 days. Explain stock levels

.010 Main Bearings
18-1316

About Sierra Marine

OEM Match

18-1316 - Main Bearing, 23-818471 [ More info ]

Add to shopping cart $153.99
Available to order: Usually ships within 8 days. Explain stock levels

#13 23-52265 BEARING UNIT, CRANKSHAFT MAIN-REAR (.020 U.S.) (AR required per assembly) SERIAL 00000000-03212085
BEARING UNIT      O - Replaced by 23-85719
 

This part has been superseded.

23-52265 - BEARING UNIT O [ More info ]
Unavailable
Replaced by 23-85719
BEARING           O - Replaced by 23-818472
 

This part has been superseded.

23-85719 - BEARING O [ More info ]
Unavailable
Replaced by 23-818472
BEARING SET 23-818472
23-818472

About Mercury Marine

OEM Part

23-818472 - Bearing Set -.020 [ More info ]

Add to shopping cart $130.00
Available to order: Usually ships within 8 days. Explain stock levels

#13 23-34464 BEARING UNIT, CRANKSHAFT MAIN-REAR (STANDARD) (AR required per assembly) SERIAL 03212086-04331786
2385669 23-34464
 

About Mercury Marine

OEM Part

23-34464 - Bearing [ More info ]

Add to shopping cart $11.10
1 in stock. Explain stock levels

NLA               O - Replaced by 23-818469
 

This part has been superseded.

23-85669 - NLA O [ More info ]
Unavailable
Replaced by 23-818469
#13 23-34490 BEARING UNIT, CRANKSHAFT MAIN-REAR (.001 U.S.) (AR required per assembly) SERIAL 03212086-04331786
BEARING           O - Replaced by 23-85670
 

This part has been superseded.

23-34490 - BEARING O [ More info ]
Unavailable
Replaced by 23-85670
#13 23-34491 BEARING UNIT, CRANKSHAFT MAIN-REAR (.002 U.S.) (AR required per assembly) SERIAL 03212086-04331786
BEARING           O - Replaced by 23-85671
 

This part has been superseded.

23-34491 - BEARING O [ More info ]
Unavailable
Replaced by 23-85671
#13 23-34492 BEARING UNIT, CRANKSHAFT MAIN-REAR (.010 U.S.) (AR required per assembly) SERIAL 03212086-04331786
2385672 23-34492
 

About Mercury Marine

OEM Part

23-34492 - Bearing [ More info ]

Add to shopping cart $11.10
1 in stock. Explain stock levels

BEARING,NLA 23-85672
 

About Mercury Marine

OEM Part

23-85672 - Bearing, NLA [ More info ]

Add to shopping cart $32.00
2 in stock. Explain stock levels

#13 23-34493 BEARING UNIT, CRANKSHAFT MAIN-REAR (.020 U.S.S) (AR required per assembly) SERIAL 03212086-04331786
BEARING           O - Replaced by 23-85673
 

This part has been superseded.

23-34493 - BEARING O [ More info ]
Unavailable
Replaced by 23-85673
BEARING           O NLA
 

About Mercury Marine

OEM Part

BEARING O NLA [ More info ]
Unavailable
#14 49954 CAP, REAR-CRANKSHAFT BEARING (1 required per assembly)
GM# 3928975       O NLA
 

About Mercury Marine

OEM Part

GM# 3928975 O NLA [ More info ]
Unavailable
#15 35310 CAP, INTERMEDIATE AND FRONT-CRANKSHAFT BEARIGN (6 required per assembly)
NLA               O NLA
 

About Mercury Marine

OEM Part

NLA O NLA [ More info ]
Unavailable
Owners manual  Manual 205666 Owners Manual - 1966; 40; 40662, 40663, 40672, 40673; Evinrude OUTBOARDS $24.95 $24.95 Add to shopping cart
#15 15-34533 SHIM UNIT, BEARING CAP-FRONT ANS INTERMEDIATE (AR required per assembly)
SHIM,NLA 15-34533
 

About Mercury Marine

OEM Part

15-34533 - Shim, NLA [ More info ]

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

#15 15-34534 SHIM UNIT, BEARING CAP-REAR (AR required per assembly)
SHIM              O NLA
 

About Mercury Marine

OEM Part

SHIM O NLA [ More info ]
Unavailable
#16 10-46717 BOLT, CRANKSHAFT BEARING CAP TO CYLINDER BLOCK (13 required per assembly)
BOLT (2 31/32 In. O NLA
 

About Mercury Marine

OEM Part

BOLT (2 31/32 In. O NLA [ More info ]
Unavailable
#17 26-58203 OIL SEAL UNIT, CRANKSHAFT REAR BEARING (1 required per assembly)
SEAL Oil          O - Replaced by 26-814622
26-58203

This part has been superseded.

26-58203 - SEAL Oil O [ More info ]
Unavailable
Replaced by 26-814622
SEAL Oil 26-814622
26-814622

About Mercury Marine

OEM Part

26-814622 - Seal [ More info ]

Add to shopping cart $98.59
In stock Explain stock levels

Rear Main Seal
18-1211

About Sierra Marine

OEM Match

18-1211 - Seal, 26-814622 [ More info ]

Add to shopping cart $58.99 $47.54
Available to order: Usually ships within 8 days. Explain stock levels

#17 34543 VALUE, BY PASS-OIL FILTER (1 required per assembly)
VALVE 34543
34543

About Mercury Marine

OEM Part

34543 - Valve [ More info ]

Add to shopping cart $13.10
Available to order: Usually ships within 8 days. Explain stock levels