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Parts for MerCruiser 140 GM 181 I / L4 1972-1978 Cylinder Block, Piston & Bearings

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 839-3814 CYLINDER BLOCK ASSEMBLY (SEE NOTE BELOW) (1 required per assembly)
CYL. BLOCK        O NLA  
839-3814 CYL. BLOCK O NLA
(more info)
    UnavailableUnavailable Parts
#2 19-34270 PLUG, EXPANSION - CYLINDER BLOCK (1 5/8" DIA.) (2 required per assembly)
EXPANSION PLUG (1 19-34270 19-34270
19-34270OEM Part 19-34270 - Freeze Plug, 1-5/8 Inch (more info) About Mercury Marine $6.80 $6.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 19-34271 PLUG, EXPANSION - CYLINDER BLOCK (2" DIA.) (1 required per assembly)
EXPANSION PLUG (2 19-34271  
19-34271OEM Part 19-34271 - Plug (more info) About Mercury Marine $19.00 $12.82 Add to shopping cart
10+ in stock. Explain stock levels
#- 19-37531 PLUG, OIL CHANNEL - CYLINDER BLOCK (1 required per assembly)
PLUG 19-37531  
19-37531OEM Part 19-37531 - Plug (more info) About Mercury Marine $3.60 $3.60 Add to shopping cart
8 in stock. Explain stock levels
#3 19-34488 PLUG, EXPANSION - CAMSHAFT BEARING HOLE (1 required per assembly)
2272640 19-34488  
19-34488OEM Part 19-34488 - Plug (more info) About Mercury Marine $3.70 $3.70 Add to shopping cart
2 in stock. Explain stock levels
#4 19-34487 PLUG, PIPE - CYLINDER BLOCK (3/8") (1 required per assembly)
PLUG              O - Replaced by 22-36373  
19-34487This part has been superseded. PLUG O - Replaced by 22-36373
(more info)
    UnavailableUnavailable Parts
PLUG (.375-18) He 22-36373  
22-36373OEM Part 22-36373 - Plug (more info) About Mercury Marine $4.10 $4.10 Add to shopping cart
4 in stock. Explain stock levels
#6 17-35465 PIN, DOWEL - CYLINDER BLOCK TO CYLINDER HEAD (2 required per assembly)
PIN Dowel (.312) 17-35465  
17-35465OEM Part 17-35465 - Pin -Dowel - Priced Individually (more info) About Mercury Marine $4.80 $4.80 Add to shopping cart
2 in stock. Explain stock levels
#7 23-35168 BEARING, DISTRIBUTOR PILOT SHAFT (1 required per assembly)
BEARING           O NLA 23-35168
23-35168 BEARING O NLA
(more info)
    UnavailableUnavailable Parts
#8 & 9 BEARING, CAMSHAFT (SEE M/C SERVICE BULLETIN 83-19) (1 required per assembly)
GROMMET           O  
GROMMET O
(more info)
    UnavailableUnavailable Parts
#10 733-3819 PISTON AND PISTON PIN ASSEMBLY (STANDARD) (4 required per assembly)
PISTON            O - Replaced by 733-3819  1  
733-3819This part has been superseded. PISTON O - Replaced by 733-3819 1
(more info)
    UnavailableUnavailable Parts
PISTON            O - Replaced by 733-803850T  
733-3819 1This part has been superseded. PISTON O - Replaced by 733-803850T
(more info)
    UnavailableUnavailable Parts
PISTON 733-803850T 733-803850T
733-803850TOEM Part 733-803850T - Piston (more info) About Mercury Marine $246.67 $246.67 Add to shopping cart
2 in stock. Explain stock levels
Piston 18-4161
18-4161OEM Match 18-4161 - Piston, 733-3819 (more info)
Replaces OEM #3853340
About Sierra Marine $169.49 $131.63 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 733-3818 PISTON AND PISTON PIN ASSEMBLY (.020 O.S.) (AR required per assembly)
73338181 733-3818  
733-3818OEM Part 733-3818 - Piston (more info) About Mercury Marine $100.00 $100.00 Add to shopping cart
5 in stock. Explain stock levels
PISTON 733-3818  1 733-3818  1
733-3818 1OEM Part 733-3818 1 - Piston (more info) About Mercury Marine $196.00 $196.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
Piston 18-4160
18-4160OEM Match 18-4160 - Piston, 733-3818 (more info)
Replaces OEM #3853477
About Sierra Marine $120.99 $120.99 Add to shopping cart
6 in stock. Explain stock levels
#11 39-65153 RING, PISTON - 4 SETS (STANDARD) (4 required per assembly)
NLA               O - Replaced by 39-17464  
39-65153This part has been superseded. NLA O - Replaced by 39-17464
(more info)
    UnavailableUnavailable Parts
RING SET Piston ( 39-17464 39-17464
39-17464OEM Part 39-17464 - Rings - Standard (more info) About Mercury Marine $33.25 $33.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
Piston Rings Std 18-3937
18-3937OEM Match 18-3937 - Rings 39-17464 Standard Set (more info)
Replaces OEM #0328506
About Sierra Marine $32.99 $26.01 Add to shopping cart
4 in stock. Explain stock levels
#11 39-67125 RING, PISTON - 4 SETS (.020 O.S.) (AR required per assembly) SERIAL 03332138-00346207
PISTON RING @2    O - Replaced by 39-66217  
39-67125This part has been superseded. PISTON RING @2 O - Replaced by 39-66217
(more info)
    UnavailableUnavailable Parts
RING Piston 39-66217 39-66217
39-66217OEM Part 39-66217 - Rings - .020 (more info) About Mercury Marine $32.58 $32.58 Add to shopping cart
10+ in stock. Explain stock levels
.020 Ring Set 18-3939
18-3939OEM Match 18-3939 - Rings, 39-66217 (more info)
Replaces OEM #3853269
About Sierra Marine $38.49 $30.86 Add to shopping cart
3 in stock. Explain stock levels
#11 39-66217 RING, PISTON - 4 SETS (.020 O.S.) (AR required per assembly) SERIAL 03462608-09999999
#12 23-52256 BEARING UNIT, CRANKSHAFT MAIN (STANDARD) (4 required per assembly)
2385675    BEARING UNIT 23-52256  
23-52256OEM Part 23-52256 - Bearing Unit (more info) About Mercury Marine $7.50 $7.50 Add to shopping cart
6 in stock. Explain stock levels
ER 23-818469     ,NLA 23-85675 23-85675
23-85675OEM Part 23-85675 - Er 23-818469 , NLA (more info) About Mercury Marine $22.00 $22.00 Add to shopping cart
10+ in stock. Explain stock levels
#12 23-52257 BEARING UNIT, CRANKSHAFT MAIN (.001 U.S.) (AR required per assembly)
BEARING UNIT      O - Replaced by 23-85676  
23-52257This part has been superseded. BEARING UNIT O - Replaced by 23-85676
(more info)
    UnavailableUnavailable Parts
23818470 23-85676  
23-85676OEM Part 23-85676 - Ord 23-818470 (more info) About Mercury Marine $12.50 $12.50 Add to shopping cart
8 in stock. Explain stock levels
#12 23-52258 BEARING UNIT, CRANKSHAFT MAIN (.002 U.S.) (AR required per assembly)
NLA               O NLA  
23-52258 NLA O NLA
(more info)
    UnavailableUnavailable Parts
#12 23-52259 BEARING UNIT, CRANKSHAFT MAIN (.010 U.S.) (AR required per assembly)
BEARING UNIT      O - Replaced by 23-85713  
23-52259This part has been superseded. BEARING UNIT O - Replaced by 23-85713
(more info)
    UnavailableUnavailable Parts
23818471 23-85713  
23-85713OEM Part 23-85713 - Ord 23-818471 (more info) About Mercury Marine $22.88 $22.88 Add to shopping cart
5 in stock. Explain stock levels
#12 23-52260 BEARING UNIT, CRANKSHAFT MAIN (.020 U.S.) (AR required per assembly)
BEARING UNIT      O - Replaced by 23-85714  
23-52260This part has been superseded. BEARING UNIT O - Replaced by 23-85714
(more info)
    UnavailableUnavailable Parts
ORD 23-818472     O NLA  
23-85714 ORD 23-818472 O NLA
(more info)
    UnavailableUnavailable Parts
#13 23-52261 BEARING UNIT, CRANKSHAFT MAIN - REAR (STANDARD) (1 required per assembly)
BEARING UNIT      O - Replaced by 23-85715  
23-52261This part has been superseded. BEARING UNIT O - Replaced by 23-85715
(more info)
    UnavailableUnavailable Parts
23818469 23-85715 23-85715
23-85715OEM Part 23-85715 - Bearing (more info) About Mercury Marine $25.00 $25.00 Add to shopping cart
10+ in stock. Explain stock levels
BEARING SET-STD   O - Replaced by 23-818469001  
23-818469This part has been superseded. BEARING SET-STD O - Replaced by 23-818469001
(more info)
    UnavailableUnavailable Parts
BEARING SET 23-818469001 23-818469001
23-818469001OEM Part 23-818469001 - Bearing Set - Std (more info) About Mercury Marine $147.08 $147.08 Add to shopping cart
1 in stock. Explain stock levels
Std. Main Bearings 18-1317
18-1317OEM Match 18-1317 - Bearing, 23-818469 (more info) About Sierra Marine $178.49 $135.45 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 23-52262 BEARING UNIT, CRANKSHAFT MAIN - REAR (.001 U.S.) (AR required per assembly)
BEARING UNIT      O - Replaced by 23-85670  
23-52262This part has been superseded. BEARING UNIT O - Replaced by 23-85670
(more info)
    UnavailableUnavailable Parts
BEARING           O - Replaced by 23-818470  
23-85670This part has been superseded. BEARING O - Replaced by 23-818470
(more info)
    UnavailableUnavailable Parts
BEARING SET       O - Replaced by 23-818470001 23-818470
23-818470This part has been superseded. BEARING SET O - Replaced by 23-818470001
(more info)
    UnavailableUnavailable Parts
BEARING SET 23-818470001  
23-818470001OEM Part 23-818470001 - Bearing Set (more info) About Mercury Marine $147.67 $147.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 23-52263 BEARING UNIT, CRANKSHAFT MAIN - REAR (.002 U.S.) (AR required per assembly)
BEARING UNIT      O - Replaced by 23-85671  
23-52263This part has been superseded. BEARING UNIT O - Replaced by 23-85671
(more info)
    UnavailableUnavailable Parts
BEARING           O NLA  
23-85671 BEARING O NLA
(more info)
    UnavailableUnavailable Parts
#13 23-52264 BEARING UNIT, CRANKSHAFT MAIN - REAR (.010 U.S.) (AR required per assembly)
BEARING UNIT      O - Replaced by 23-85718  
23-52264This part has been superseded. BEARING UNIT O - Replaced by 23-85718
(more info)
    UnavailableUnavailable Parts
BEARING           O - Replaced by 23-818471  
23-85718This part has been superseded. BEARING O - Replaced by 23-818471
(more info)
    UnavailableUnavailable Parts
BEARING SET-.010  O - Replaced by 23-818471001 23-818471
23-818471This part has been superseded. BEARING SET-.010 O - Replaced by 23-818471001
(more info)
    UnavailableUnavailable Parts
BEARING SET-.010 23-818471001 23-818471001
23-818471001OEM Part 23-818471001 - Bearing Set -.010 (more info) About Mercury Marine $143.42 $143.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
.010 Main Bearings 18-1316
18-1316OEM Match 18-1316 - Main Bearing, 23-818471 (more info) About Sierra Marine $153.99 $153.99 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 23-52265 BEARING UNIT, CRANKSHAFT MAIN - REAR (.020 U.S.) (AR required per assembly)
BEARING UNIT      O - Replaced by 23-85719  
23-52265This part has been superseded. BEARING UNIT O - Replaced by 23-85719
(more info)
    UnavailableUnavailable Parts
BEARING           O - Replaced by 23-818472  
23-85719This part has been superseded. BEARING O - Replaced by 23-818472
(more info)
    UnavailableUnavailable Parts
BEARING SET 23-818472 23-818472
23-818472OEM Part 23-818472 - Bearing Set -.020 (more info) About Mercury Marine $126.83 $126.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 49954 CAP, REAR - CRANKSHAFT BEARING (1 required per assembly)
GM# 3928975       O NLA  
49954 GM# 3928975 O NLA
(more info)
    UnavailableUnavailable Parts
#15 35310 CAP, INTERMEDIATE AND FRONT - CRANKSHAFT BEARING (4 required per assembly)
NLA               O NLA  
35310 NLA O NLA
(more info)
    UnavailableUnavailable Parts
Owners manual  Manual 205666 Owners Manual - 1966; 40; 40662, 40663, 40672, 40673; Evinrude OUTBOARDS $24.95 $24.95 Add to shopping cart
#16 10-46717 BOLT, CRANKSHAFT BEARING CAP TO CYLINDER BLOCK (2 31/32") (10 required per assembly)
NLA               O NLA  
10-46717 NLA O NLA
(more info)
    UnavailableUnavailable Parts
#16 16-48350 STUD, OIL PUMP SCREEN SUPPORT TO BEARING CAP (1 required per assembly)
NLA               O NLA  
16-48350 NLA O NLA
(more info)
    UnavailableUnavailable Parts
#17 26-58203 OIL SEAL UNIT, CRANKSHAFT REAR BEARING (1 required per assembly)
OIL SEAL          O - Replaced by 26-814622 26-58203
26-58203This part has been superseded. OIL SEAL O - Replaced by 26-814622
(more info)
    UnavailableUnavailable Parts
SEAL Oil 26-814622 26-814622
26-814622OEM Part 26-814622 - Seal (more info) About Mercury Marine $96.17 $96.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
Rear Main Seal 18-1211
18-1211OEM Match 18-1211 - Seal, 26-814622 (more info)
Replaces OEM #0473424
About Sierra Marine $58.99 $47.54 Add to shopping cart
1 in stock. Explain stock levels
#-- 34543 VALVE, BY-PASS - OIL FILTER (1 required per assembly)
VALVE 34543 34543
34543OEM Part 34543 - Valve (more info) About Mercury Marine $12.80 $12.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 22-64425 FITTING, EXTENSION - CYLINDER BLOCK (1 required per assembly)
FITTING,NLA 22-64425  
22-64425OEM Part 22-64425 - Fitting, NLA (more info) About Mercury Marine $30.00 $30.00 Add to shopping cart
10+ in stock. Explain stock levels
#19 22-64426 FITTING, DRAIN - CYLINDER BLOCK (1 required per assembly)
DRAIN COCK        O - Replaced by 22-87238  
22-64426This part has been superseded. DRAIN COCK O - Replaced by 22-87238
(more info)
    UnavailableUnavailable Parts
DRAIN COCK        O - Replaced by 22-16951A 1  
22-87238This part has been superseded. DRAIN COCK O - Replaced by 22-16951A 1
(more info)
    UnavailableUnavailable Parts
2216951Q1 22-16951A 1 22-16951A 1
22-16951A 1OEM Part 22-16951A 1 - Drain Plug Kit (more info) About Mercury Marine $7.00 $7.00 Add to shopping cart
2 in stock. Explain stock levels
PLUG-DRAIN Note: must be ordered in multiples of 2 22-16951Q 1 22-16951Q 1
22-16951Q 1OEM Part 22-16951Q 1 - Drain Plug - Priced Individually (more info) About Mercury Marine $10.60 $10.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
Cyl. Block Drain Tap 18-4218
18-4218OEM Match 18-4218 - Drain 22-16951A1 (more info)
Replaces OEM #0379957
About Sierra Marine $9.99 $7.54 Add to shopping cart
10+ in stock. Explain stock levels
PLUG-DRAIN Note: must be ordered in multiples of 2   22 16951T 1 22-16951T 1
22-16951T 1OEM Part 22-16951T 1 - Drain Plug - Priced Individually (more info) About Mercury Marine $10.60 $10.60 Add to shopping cart
Available to order:
Usually ships
within 8 days