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Parts for Mariner 40 HP (2 Cylinder) Crankshaft / Piston / Flywheel

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 11-42979 NUT (M16 X 1.5) (1 required per assembly)
NUT (M16) 11-42979  
11-42979OEM Part 11-42979 - Nut (more info) About Mercury Marine $3.10 $3.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 12-68229 WASHER (1 required per assembly)
1233001 12-68229  
12-68229OEM Part 12-68229 - Washer (more info) About Mercury Marine $4.04 $4.04 Add to shopping cart
10+ in stock. Explain stock levels
WASHER Note: must be ordered in multiples of 2 12-33001  
12-33001OEM Part 12-33001 - Washer (more info) About Mercury Marine $4.90 $4.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 261-9008A70 FLYWHEEL (1 required per assembly) (ELECTRIC) S/N-USA-0G590000/BEL-9973100 & UP
FLYWHEEL          O - Replaced by 261-859233T 2  
261-9008A70This part has been superseded. FLYWHEEL O - Replaced by 261-859233T 2
(more info)
    UnavailableUnavailable Parts
FLYWHEEL          O - Replaced by 261-859233T12  
261-859233T 2This part has been superseded. FLYWHEEL O - Replaced by 261-859233T12
(more info)
    UnavailableUnavailable Parts
FLYWHEEL          O - Replaced by 261-859233T22  
261-859233T12This part has been superseded. FLYWHEEL O - Replaced by 261-859233T22
(more info)
    UnavailableUnavailable Parts
FLYWHEEL          O - Replaced by 261-859233T23  
261-859233T22This part has been superseded. FLYWHEEL O - Replaced by 261-859233T23
(more info)
    UnavailableUnavailable Parts
FLYWHEEL 261-859233T23  
261-859233T23OEM Part 261-859233T23 - Flywheel (more info) About Mercury Marine $487.50 $487.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 261-9008A68 FLYWHEEL (1 required per assembly) (MANUAL) S/N-USA-0G590000/BEL-9973100 & UP
FLYWHEEL          O - Replaced by 261-9008A76  
261-9008A68This part has been superseded. FLYWHEEL O - Replaced by 261-9008A76
(more info)
    UnavailableUnavailable Parts
FLYWHEEL          O - Replaced by 261-859233T 4  
261-9008A76This part has been superseded. FLYWHEEL O - Replaced by 261-859233T 4
(more info)
    UnavailableUnavailable Parts
FLYWHEEL          O - Replaced by 261-859233T14  
261-859233T 4This part has been superseded. FLYWHEEL O - Replaced by 261-859233T14
(more info)
    UnavailableUnavailable Parts
FLYWHEEL          O - Replaced by 261-859233T20  
261-859233T14This part has been superseded. FLYWHEEL O - Replaced by 261-859233T20
(more info)
    UnavailableUnavailable Parts
FLYWHEEL          O - Replaced by 261-859233T24  
261-859233T20This part has been superseded. FLYWHEEL O - Replaced by 261-859233T24
(more info)
    UnavailableUnavailable Parts
FLYWHEEL 261-859233T24  
261-859233T24OEM Part 261-859233T24 - Flywheel (more info) About Mercury Marine $392.50 $392.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 276-823760A 4 FLYWHEEL (1 required per assembly) (ELECTRIC) S/N-US-0G589999/BEL-9973099 & BELOW
FLYWHEEL ASSY     O - Replaced by 261-9008A40  
276-823760A 4This part has been superseded. FLYWHEEL ASSY O - Replaced by 261-9008A40
(more info)
    UnavailableUnavailable Parts
FLYWHEEL          O - Replaced by 261-859233T 8  
261-9008A40This part has been superseded. FLYWHEEL O - Replaced by 261-859233T 8
(more info)
    UnavailableUnavailable Parts
FLYWHEEL          O - Replaced by 261-859233T18  
261-859233T 8This part has been superseded. FLYWHEEL O - Replaced by 261-859233T18
(more info)
    UnavailableUnavailable Parts
FLYWHEEL          O - Replaced by 261-859233T26  
261-859233T18This part has been superseded. FLYWHEEL O - Replaced by 261-859233T26
(more info)
    UnavailableUnavailable Parts
FLYWHEEL ASY 261-859233T26  
261-859233T26OEM Part 261-859233T26 - Flywheel Assembly (more info) About Mercury Marine $498.17 $498.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 261-9008A38 FLYWHEEL (1 required per assembly) (MANUAL) S/N-US-0G589999/BEL-9973099 & BELOW
FLYWHEEL          O - Replaced by 261-859233T 6  
261-9008A38This part has been superseded. FLYWHEEL O - Replaced by 261-859233T 6
(more info)
    UnavailableUnavailable Parts
FLYWHEEL          O - Replaced by 261-859233T16  
261-859233T 6This part has been superseded. FLYWHEEL O - Replaced by 261-859233T16
(more info)
    UnavailableUnavailable Parts
FLYWHEEL          O - Replaced by 261-859233T25  
261-859233T16This part has been superseded. FLYWHEEL O - Replaced by 261-859233T25
(more info)
    UnavailableUnavailable Parts
FLYWHEEL ASSY 261-859233T25  
261-859233T25OEM Part 261-859233T25 - Flywheel Assembly (more info) About Mercury Marine $459.08 $459.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 493-821369A 1 CRANKSHAFT ASSEMBLY (1 required per assembly)
CRANKSHAFT ASSY   O - Replaced by 493-821369T01  
493-821369A 1This part has been superseded. CRANKSHAFT ASSY O - Replaced by 493-821369T01
(more info)
    UnavailableUnavailable Parts
CRANKSHAFT ASSY 493-821369T01  
493-821369T01OEM Part 493-821369T01 - Crankshaft Assembly (more info) About Mercury Marine $670.00 $670.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 43-43019A 2 GEAR ASSEMBLY (DRIVER) (1 required per assembly)
GEAR ASSEMBLY 43-43019A 2 43-43019A 2
43-43019A 2OEM Part 43-43019A 2 - Driver Gear Kit (more info) About Mercury Marine $42.33 $42.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 28-91800 KEY (2 required per assembly)
KEY Woodruff 28-91800 28-91800
28-91800OEM Part 28-91800 - Key - Priced Individually (more info) About Mercury Marine $1.63 $1.63 Add to shopping cart
1 in stock. Explain stock levels
#8 30-63742 BALL BEARING (1 required per assembly)
BEARING-BALL      O - Replaced by 30-63742T 30-63742
30-63742This part has been superseded. BEARING-BALL O - Replaced by 30-63742T
(more info)
    UnavailableUnavailable Parts
BEARING Ball 30-63742T 30-63742T
30-63742TOEM Part 30-63742T - Ball Bearing (more info) About Mercury Marine $28.30 $24.24 Add to shopping cart
Available to order:
Usually ships
within 8 days
Ball Bearing 18-1154
18-1154OEM Match 18-1154 - Bearing, 30-63742, 377139 (more info)
Replaces OEM #0377139
About Sierra Marine $25.99 $19.44 Add to shopping cart
1 in stock. Explain stock levels
#9 53-812877 RETAINING RING (1 required per assembly)
RING Retaining 53-812877  
53-812877OEM Part 53-812877 - Ring - Retaining (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 31-818889A 1 ROLLER BEARING ASSEMBLY (1 required per assembly)
BEARING ASSEMBLY 31-818889A 1 31-818889A 1
31-818889A 1OEM Part 31-818889A 1 - Bearing Kit (more info) About Mercury Marine $63.30 $54.20 Add to shopping cart
2 in stock. Explain stock levels
#11 26-817397 1 OIL SEAL (1 required per assembly)
SEAL Oil 26-817397  1 26-817397  1
26-817397 1OEM Part 26-817397 1 - Seal (more info) About Mercury Marine $6.80 $6.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 827955A 2 BEARING ASSEMBLY-CENTER MAIN (1 required per assembly)
BEARING ASSEMBLY 827955A 2 827955A 2
827955A 2OEM Part 827955A 2 - Main Bearing Kit (more info) About Mercury Marine $78.08 $78.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 NSS RING-SEAL (1 required per assembly)
#15 640-9612A 2 CONNECTING ROD ASSEMBLY (2 required per assembly)
CONN ROD ASSY     O - Replaced by 640-9612A 7  
640-9612A 2This part has been superseded. CONN ROD ASSY O - Replaced by 640-9612A 7
(more info)
    UnavailableUnavailable Parts
CONN ROD KIT      O - Replaced by 640-9612A 6  
640-9612A 7This part has been superseded. CONN ROD KIT O - Replaced by 640-9612A 6
(more info)
    UnavailableUnavailable Parts
CONNECTING ROD AS 640-9612A 6  
640-9612A 6OEM Part 640-9612A 6 - Connecting Rod Assembly (more info) About Mercury Marine $317.83 $317.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 10-91012 SCREW (1/4-28) (4 required per assembly)
SCREW (.250-28 Sp 10-91012 10-91012
10-91012OEM Part 10-91012 - Screw -spec - Priced Individually (more info) About Mercury Marine $5.60 $3.36 Add to shopping cart
10+ in stock. Explain stock levels
#17 31-17514A 2 ROLLER BEARING ASSEMBLY (2 required per assembly)
318M0045430 31-17514A 2 31-17514A 2
31-17514A 2OEM Part 31-17514A 2 - Caged Bearing Kit - Outboard (more info) About Mercury Marine $40.00 $40.00 Add to shopping cart
10+ in stock. Explain stock levels
BEARING KIT 31-8M0045428 31-8M0045428
31-8M0045428OEM Part 31-8M0045428 - Bearing Kit (more info) About Mercury Marine $53.90 $46.16 Add to shopping cart
3 in stock. Explain stock levels
Needle Bearing Set (W/O Cag 18-4039
18-4039OEM Match 18-4039 - Needle Bearings, Without Cage (more info) About Sierra Marine $43.73 $34.18 Add to shopping cart
Available to order:
Usually ships
within 8 days
Rod Bearing w/cage 18-1194
18-1194OEM Match 18-1194 - Rod Bearing w/ Cage (more info) About Sierra Marine $57.62 $38.08 Add to shopping cart
2 in stock. Explain stock levels
#18 29-47270 NEEDLE ROLLER (58 required per assembly)
BEARING 29-47270 29-47270
29-47270OEM Part 29-47270 - Needle Bearing - Priced Individually (more info) About Mercury Marine $0.22 $0.22 Add to shopping cart
10+ in stock. Explain stock levels
Needle Bearing 18-4036-9
18-4036-9OEM Match 18-4036-9 - Bearing, 29-47270, 200PK (more info) About Sierra Marine $38.00 $30.62 Add to shopping cart
1 in stock. Explain stock levels
#19 12-812876 THRUST WASHER (4 required per assembly)
128M0012298 12-812876  
12-812876OEM Part 12-812876 - Thrust Washer (more info) About Mercury Marine $2.22 $2.22 Add to shopping cart
10+ in stock. Explain stock levels
THRUST WASHER 12-8M0012298  
12-8M0012298OEM Part 12-8M0012298 - Thrust Washer (more info) About Mercury Marine $3.70 $3.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 705-850026A 3 PISTON (2 required per assembly) (STANDARD) S/N-USA-0G590000/BEL-9973100 & UP
PISTON KIT-STD    O - Replaced by 705-850026T 3  
705-850026A 3This part has been superseded. PISTON KIT-STD O - Replaced by 705-850026T 3
(more info)
    UnavailableUnavailable Parts
PISTON KIT-STD 705-850026T 3 705-850026T 3
705-850026T 3OEM Part 705-850026T 3 - Piston Kit - Std (more info) About Mercury Marine $141.92 $141.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 705-850026A 2 PISTON (AR required per assembly) (.015 O.S.) S/N-USA-0G590000/BEL-9973100 & UP
PISTON ASSY-.015  O - Replaced by 705-850026T 2  
705-850026A 2This part has been superseded. PISTON ASSY-.015 O - Replaced by 705-850026T 2
(more info)
    UnavailableUnavailable Parts
PISTON ASSY-.015 705-850026T 2 705-850026T 2
705-850026T 2OEM Part 705-850026T 2 - Piston Assembly -.015 (more info) About Mercury Marine $179.58 $179.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 2703-821368A 1 PISTON (2 required per assembly) (STANDARD) S/N-USA-0G589999/BEL-9973099 & BELOW
PISTON ASSY-STD   O - Replaced by 705-850026A 3  
2703-821368A 1This part has been superseded. PISTON ASSY-STD O - Replaced by 705-850026A 3
(more info)
    UnavailableUnavailable Parts
#20 2703-821368A 2 PISTON (AR required per assembly) (.015 O.S.) S/N-USA-0G589999/BEL-9973099 & BELOW
PISTON ASSY-.015  O - Replaced by 705-850026A 2  
2703-821368A 2This part has been superseded. PISTON ASSY-.015 O - Replaced by 705-850026A 2
(more info)
    UnavailableUnavailable Parts
#21 40-52035 RING-LOCK (4 required per assembly)
53857196 40-52035 40-52035
40-52035OEM Part 40-52035 - Lock Ring - Priced Individually (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
LOCK RING 53-857196 53-857196
53-857196OEM Part 53-857196 - Lock Ring - Priced Individually (more info) About Mercury Marine $2.30 $1.56 Add to shopping cart
2 in stock. Explain stock levels
Circlips (2/PKG) 18-4294-9
18-4294-9OEM Match 18-4294-9 - Clips, PK2 (more info) About Sierra Marine $4.98 $3.49 Add to shopping cart
1 in stock. Explain stock levels
#22 39-821695A 4 PISTON RING SET (1 required per assembly) (STANDARD)
RING SET Piston 39-821695A 4 39-821695A 4
39-821695A 4OEM Part 39-821695A 4 - Rings - Standard (more info) About Mercury Marine $98.92 $98.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#22 39-821695A 1 PISTON RING SET (AR required per assembly) (.015 O.S.)
RING SET Piston 39-821695A 1 39-821695A 1
39-821695A 1OEM Part 39-821695A 1 - Rings - .015 (more info) About Mercury Marine $119.42 $119.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 808569A97 POWERHEAD (1 required per assembly)
POWERHEAD MARINE  O - Replaced by -808569T97  
808569A97This part has been superseded. POWERHEAD MARINE O - Replaced by -808569T97
(more info)
    UnavailableUnavailable Parts
POWERHEAD MARINE  O - Replaced by -808569T02  
808569T97This part has been superseded. POWERHEAD MARINE O - Replaced by -808569T02
(more info)
    UnavailableUnavailable Parts
POWERHEAD ASSEMBL 808569T02  
808569T02OEM Part 808569T02 - Powerhead 30-2S 2CYL (more info) About Mercury Marine $2,871.43 $2,871.43 Add to shopping cart
Available to order:
Usually ships
within 8 days