Logo

Parts for Mariner 50 HP (3 Cylinder) Cylinder Block & Crankcase

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 2801-827953T 7 CYLINDER BLOCK (1 required per assembly) (A = Torque Sequence)
CYLINDER BLOCK 2801-827953T 7  
2801-827953T 7OEM Part 2801-827953T 7 - Cylinder Block (more info) About Mercury Marine $1,129.21 $1,129.21 Add to shopping cart
1 in stock. Explain stock levels
#2 10-817427 80 SCREW, (M8 x 80) (8 required per assembly)
SCREW (M8 x 80) 10-817427 80 10-817427 80
10-817427 80OEM Part 10-817427 80 - Screw (more info) About Mercury Marine $3.10 $3.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 10-817427 30 SCREW, (M8 x 30) (6 required per assembly)
SCREW (M8 x 30) 10-817427 30 10-817427 30
10-817427 30OEM Part 10-817427 30 - Screw (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 21-42658 5 CHECK VALVE (1 required per assembly)
CHECK VALVE 21-42658  5 21-42658  5
21-42658 5OEM Part 21-42658 5 - Check Valve (more info) About Mercury Marine $11.20 $11.20 Add to shopping cart
2 in stock. Explain stock levels
#5 32-892024122 TUBING, (240.00 Inches Bulk) (Cut to 15.00 Inch Length) (1 required per assembly)
TUBING (240.00 In 32-892024122 32-892024122
32-892024122OEM Part 32-892024122 - Tubing - 20 Feet (more info) About Mercury Marine $40.90 $35.02 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 21-42623 2 CHECK VALVE, Press-In (1 required per assembly)
CHECK VALVE 21-42623  2 21-42623  2
21-42623 2OEM Part 21-42623 2 - Check Valve (more info) About Mercury Marine $6.70 $6.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 812888A 2 CARRIER ASSEMBLY (2 required per assembly)
CARRIER ASSEMBLY 812888A 2  
812888A 2OEM Part 812888A 2 - Carrier Assembly (more info) About Mercury Marine $10.50 $10.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 21-42657A 4 CHECK VALVE (2 required per assembly)
CHECK VALVE 21-42657A 4  
21-42657A 4OEM Part 21-42657A 4 - Check Valve Assembly (more info) About Mercury Marine $6.10 $6.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 10-814776 SCREW, Adjusting (M6 x 55) (1 required per assembly)
SCREW Adjusting ( 10-814776 10-814776
10-814776OEM Part 10-814776 - Screw (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 11-40021 2 NUT, (M6) Stainless Steel (1 required per assembly)
NUT (M6) Stainles 11-40021  2 11-40021  2
11-40021 2OEM Part 11-40021 2 - Nut (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
2 in stock. Explain stock levels
#11 42942 CAP (1 required per assembly)
CAP 42942 42942
42942OEM Part 42942 - Cap (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 17-43044 PIN, Dowel - Without Hole (.375 x .625), Locating (1 required per assembly)
PIN Dowel - Witho 17-43044  
17-43044OEM Part 17-43044 - Pin -Dowel-solid (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 17-812870 1 PIN, Bearing Race (3 required per assembly)
PIN-DOWEL         O - Replaced by 17-8M0084653  
17-812870 1This part has been superseded. PIN-DOWEL O - Replaced by 17-8M0084653
(more info)
    UnavailableUnavailable Parts
PIN - DOWEL       O  
17-8M0084653 PIN - DOWEL O
(more info)
    UnavailableUnavailable Parts
#14 27-827284 GASKET (1 required per assembly)
GASKET 27-827284 27-827284
27-827284OEM Part 27-827284 - Gasket (more info) About Mercury Marine $2.30 $2.30 Add to shopping cart
3 in stock. Explain stock levels
Thermostat Cover Gasket 18-2721
18-2721OEM Match 18-2721 - Gasket, 27-827284 (more info) About Sierra Marine $2.99 $1.85 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 16-816194 9 STUD, (M6 x 44) (2 required per assembly)
STUD (M6 x 44) 16-816194  9  
16-816194 9OEM Part 16-816194 9 - Stud (more info) About Mercury Marine $8.60 $8.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 22-18598 1 PLUG, Pipe (.375-18) (1 required per assembly)
PLUG Pipe (.375-1 22-18598  1  
22-18598 1OEM Part 22-18598 1 - Pipe Plug (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 22-32802 2 PLUG, Pipe (.125-27) Brass (1 required per assembly)
PLUG Pipe (.125-2 22-32802  2 22-32802 2
22-32802 2OEM Part 22-32802 2 - Plug - (brass) - Priced Individually (more info) About Mercury Marine $5.50 $5.50 Add to shopping cart
8 in stock. Explain stock levels
Pipe Plug, 1/8-27 Npt Pipe 18-4263
18-4263OEM Match 18-4263 - Pipe Plug, 1/8-27 NPT Pi (more info) About Sierra Marine $4.49 $3.24 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 22-19725 ELBOW (2 required per assembly)
ELBOW 22-19725  
22-19725OEM Part 22-19725 - Fitting (more info) About Mercury Marine $4.90 $4.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 827251A 1 COVER (1 required per assembly)
COVER KIT-THERMO 827251A 1  
827251A 1OEM Part 827251A 1 - Thermostat Cover Kit (more info) About Mercury Marine $10.58 $10.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#21 850897 LIFTING EYE (1 required per assembly) (Manual)
LIFTING EYE 850897 850897
850897OEM Part 850897 - Lifting Eye (more info) About Mercury Marine $7.30 $7.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#22 10-40011149 SCREW, (M8 x 25) Stainless Steel (1 required per assembly) (Manual)
SCREW (M8 x 25) S 10-40011149 10-40011149
10-40011149OEM Part 10-40011149 - Screw (more info) About Mercury Marine $1.80 $1.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 NSS NOT SOLD SEPARATE, Decal-Serialization (1 required per assembly)
#25 889735 CARRIER (1 required per assembly)
CARRIER 889735 889735
889735OEM Part 889735 - Carrier (more info) About Mercury Marine $3.90 $3.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#26 850055001 THERMOSTAT, 43°C (110°F) (1 required per assembly)
THERMOSTAT 850055001 850055001
850055001OEM Part 850055001 - Thermostat -110 (more info) About Mercury Marine $37.75 $37.75 Add to shopping cart
1 in stock. Explain stock levels
#27 26-854639001 SEAL (1 required per assembly)
SEAL Note: must be ordered in multiples of 2 26-854639001 26-854639001
26-854639001OEM Part 26-854639001 - Seal - Priced Individually (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
1 in stock. Explain stock levels
#28 78799 2 SENDER, Temperature (1 required per assembly)
SENDER Temperatur 78799  2 78799  2
78799 2OEM Part 78799 2 - Temperature Sender (more info) About Mercury Marine $68.75 $68.75 Add to shopping cart
1 in stock. Explain stock levels
#29 889733 RETAINER (1 required per assembly)
RETAINER 889733 889733
889733OEM Part 889733 - Retainer (more info) About Mercury Marine $3.90 $3.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#30 10-878609 SCREW, (#10-16 x .600) (1 required per assembly)
SCREW (#10-16 x . 10-878609 10-878609
10-878609OEM Part 10-878609 - Screw (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 12-56681 WASHER, (.203 x .500 x .032) (1 required per assembly)
WASHER (.203 x .5 12-56681  
12-56681OEM Part 12-56681 - Washer - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
10+ in stock. Explain stock levels
#32 22-99664 2 FITTING, Elbow 90 Degree (.125-27 x .250) Nylon (1 required per assembly)
FITTING Elbow 90 22-99664  2 22-99664  2
22-99664 2OEM Part 22-99664 2 - Elbow (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
2 in stock. Explain stock levels
#33 12-49221 WASHER, (.187 x .500 x .062) Neoprene (2 required per assembly) (Electric)
WASHER (.187 x .5 12-49221 12-49221
12-49221OEM Part 12-49221 - Washer - Priced Individually (more info) About Mercury Marine $0.82 $0.82 Add to shopping cart
10+ in stock. Explain stock levels
Rubber Washer 18-2948-9
18-2948-9OEM Match 18-2948-9 - Washer, 12-49221, 5PK (more info) About Sierra Marine $9.21 $3.45 Add to shopping cart
2 in stock. Explain stock levels
#34 12-69056 WASHER, (.255 x .620 x .030) Stainless Steel (2 required per assembly) (Electric)
WASHER (.255 x .6 12-69056  
12-69056OEM Part 12-69056 - Washer (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#35 11-816872 WING NUT (2 required per assembly) (Electric)
WING NUT 11-816872  
11-816872OEM Part 11-816872 - Wing Nut (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#36 22-56759 FITTING, Barbed (1 required per assembly) (Electric)
FITTING Barbed 22-56759 22-56759
22-56759OEM Part 22-56759 - Fitting (more info) About Mercury Marine $8.00 $8.00 Add to shopping cart
8 in stock. Explain stock levels
#37 812996 2 COVER (1 required per assembly) (Manual)
COVER 812996  2  
812996 2OEM Part 812996 2 - Cover (more info) About Mercury Marine $14.00 $14.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#38 25-48462 O-RING, (.614 x .070) (1 required per assembly) (Manual)
O-RING (.614 x .0 25-48462  
25-48462OEM Part 25-48462 - O-Ring (more info) About Mercury Marine $1.30 $1.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#39 10-40011108 SCREW, (M5 x 20) Stainless Steel (2 required per assembly) (Manual)
SCREW (M5 x 20) S 10-40011108 10-40011108
10-40011108OEM Part 10-40011108 - Screw (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 852067T98 POWERHEAD ASSEMBLY (1 required per assembly)
POWERHEAD ASSEMBL 852067T98  
852067T98OEM Part 852067T98 - Powerhead 40/50 3 Cyl (more info) About Mercury Marine $2,871.43 $2,871.43 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 27-828553A97 GASKET SET (1 required per assembly)
GASKET SET 27-828553A97 27-828553A97
27-828553A97OEM Part 27-828553A97 - Gasket Set (more info) About Mercury Marine $63.90 $54.72 Add to shopping cart
Available to order:
Usually ships
within 8 days