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Parts for MerCruiser 165 GM 250 I / L6 1979-1981 Cylinder Block, Piston & Bearings

#1 840-6515 CYLINDER BLOCK ASSEMBLY (1 required per assembly)
840-6515 - CYLINDER BLOCK    O NLA
 

About Mercury Marine

OEM Part

840-6515 - CYLINDER BLOCK O NLA [ More info ]
Unavailable
#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
6 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

#- 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 19-61747 PLUG, EXPANSION - CAMSHAFT BEARING HOLE (1 required per assembly)
19-61747 - PLUG              O - Replaced by 19-34488
 

This part has been superseded.

19-61747 - 19-61747 - PLUG O [ More info ]
Unavailable
Replaced by 19-34488
2272640 19-34488
 

About Mercury Marine

OEM Part

19-34488 - Plug [ More info ]

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

#5 19-34487 PLUG, PIPE - CYLINDER BLOCK (3/8") (1 required per assembly)
19-34487 - PLUG (.375-18 x . O - Replaced by 22-36373
 

This part has been superseded.

19-34487 - 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

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

About Mercury Marine

OEM Part

23-35168 - BEARING O NLA [ More info ]
Unavailable
#8 734-4858 PISTON & PISTON PIN ASS'Y(.001 O.S.) - USE STANDARD PISTON (AR required per assembly)
734-4858 - PISTON-STD          NLA
 

About Mercury Marine

OEM Part

734-4858 - PISTON-STD NLA [ More info ]
Unavailable
#8 734-4860 PISTON & PISTON PIN ASS'Y(.030 O.S.) (AR required per assembly)
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 39-67134 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&11 23-43293 BEARING UNIT, CAMSHAFT (1 required per assembly)
23-43293 - BEARING SET       O - Replaced by 23-43293T
 

This part has been superseded.

23-43293 - 23-43293 - BEARING SET O [ More info ]
Unavailable
Replaced by 23-43293T
BEARING SET 23-43293T
23-43293T

About Mercury Marine

OEM Part

23-43293T - Bearing - Std [ More info ]

Add to shopping cart $53.16
Available to order: Usually ships within 8 days. Explain stock levels

Cam Bearings
18-1339

About Sierra Marine

OEM Match

18-1339 - Bearing, 23-43293, Cam [ More info ]

Add to shopping cart $48.49
1 in stock. Explain stock levels

#12 23-85675 BEARING UNIT, CRANKSHAFT MAIN (STANDARD) (6 required per assembly)
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 23-85676 BEARING UNIT, CRANKSHAFT MAIN (.001 U.S.) (AR required per assembly)
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 23-85713 BEARING UNIT, CRANKSHAFT MAIN (.010 U.S.) (AR required per assembly)
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 23-85714 BEARING UNIT, CRANKSHAFT MAIN (.020 U.S.) (AR required per assembly)
23-85714 - BEARING           O NLA
 

About Mercury Marine

OEM Part

23-85714 - BEARING O NLA [ More info ]
Unavailable
#13 23-85715 BEARING UNIT, CRANKSHAFT MAIN - REAR (STANDARD) (1 required per assembly)
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

23-818469 - BEARING SET       O - Replaced by 23-818469001
 

This part has been superseded.

23-818469 - 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 23-85670 BEARING UNIT, CRANKSHAFT MAIN - REAR (.011 U.S.) (AR required per assembly)
23-85670 - BEARING           O - Replaced by 23-818470
 

This part has been superseded.

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

This part has been superseded.

23-818470 - 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 23-85671 BEARING UNIT, CRANKSHAFT MAIN - REAR (.002 U.S.) (AR required per assembly)
23-85671 - BEARING           O NLA
 

About Mercury Marine

OEM Part

23-85671 - BEARING O NLA [ More info ]
Unavailable
#13 23-85718 BEARING UNIT, CRANKSHAFT MAIN - REAR (.010 U.S.) (AR required per assembly)
23-85718 - BEARING           O - Replaced by 23-818471
 

This part has been superseded.

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

This part has been superseded.

23-818471 - 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 23-85719 BEARING UNIT, CRANKSHAFT MAIN - REAR (.020 U.S.) (AR required per assembly)
23-85719 - BEARING           O - Replaced by 23-818472
 

This part has been superseded.

23-85719 - 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

#-- 15-34533 SHIM UNIT, BEARING CAP - FRONT AND 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

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

About Mercury Marine

OEM Part

15-34534 - SHIM O NLA [ More info ]
Unavailable
#16 10-46717 BOLT, CRANKSHAFT BEARING CAP TO CYLINDER BLOCK (13 required per assembly)
10-46717 - BOLT (2 31/32 In. O NLA
 

About Mercury Marine

OEM Part

10-46717 - BOLT (2 31/32 In. O NLA [ More info ]
Unavailable
#17 26-58203 OIL SEAL UNIT, CRANKSHAFT REAR BEARING (1 required per assembly)
26-58203 - SEAL Oil          O - Replaced by 26-814622
26-58203

This part has been superseded.

26-58203 - 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
Available to order: Usually ships within 8 days. 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
In stock Explain stock levels

#-- 34543 VALVE, 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