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Parts for Mariner 250 HP (3.0L EFI) Cyliner Block & End Caps

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 885-9811A57 CYLINDER BLOCK (1 required per assembly) (225) SN# 0G960500 & Up
CYLINDER BLOCK    O NLA  
885-9811A57 CYLINDER BLOCK O NLA
(more info)
    UnavailableUnavailable Parts
#1 885-9811A58 CYLINDER BLOCK (1 required per assembly) (250) SN# 0G960500 & Up
CYLINDER BLOCK,NLA 885-9811A58  
885-9811A58OEM Part 885-9811A58 - Cylinder Block, NLA (more info) About Mercury Marine $2,000.00 $2,000.00 Add to shopping cart
3 in stock. Explain stock levels
#1 885-9811A19 CYLINDER BLOCK (1 required per assembly) SN# 0G960499 & Below
CYLINDER BLOCK    O NLA  
885-9811A19 CYLINDER BLOCK O NLA
(more info)
    UnavailableUnavailable Parts
#2 16-90350 9 STUD, (M10 x 1.5 x 64) (4 required per assembly)
STUD (M10 x 1.5 x 16-90350  9  
16-90350 9OEM Part 16-90350 9 - Stud (more info) About Mercury Marine $14.90 $14.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 16-815443 1 STUD, (M10 x 1.5 x 155) (6 required per assembly)
STUD (M10 x 1.5 x 16-815443  1  
16-815443 1OEM Part 16-815443 1 - Stud (more info) About Mercury Marine $22.92 $22.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 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
#5 824857 2 DEFLECTOR, Water (4 required per assembly)
DEFLECTOR-WATER   O - Replaced by -824857  4  
824857 2This part has been superseded. DEFLECTOR-WATER O - Replaced by -824857 4
(more info)
    UnavailableUnavailable Parts
DEFLECTOR         O - Replaced by -824857  7  
824857 4This part has been superseded. DEFLECTOR O - Replaced by -824857 7
(more info)
    UnavailableUnavailable Parts
DEFLECTOR 824857  7  
824857 7OEM Part 824857 7 - Water Deflector (more info) About Mercury Marine $1.80 $1.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 21-43278 3 CHECK VALVE (1 required per assembly)
CHECK VALVE       O - Replaced by 21-878105  
21-43278 3This part has been superseded. CHECK VALVE O - Replaced by 21-878105
(more info)
    UnavailableUnavailable Parts
CHECK VALVE       O - Replaced by 21-878105  1  
21-878105This part has been superseded. CHECK VALVE O - Replaced by 21-878105 1
(more info)
    UnavailableUnavailable Parts
CHECK VALVE 21-878105  1 21-878105  1
21-878105 1OEM Part 21-878105 1 - Check Valve (more info) About Mercury Marine $20.40 $17.47 Add to shopping cart
1 in stock. Explain stock levels
#7 821583 PIN (2 required per assembly)
PIN               O - Replaced by -821583  2  
821583This part has been superseded. PIN O - Replaced by -821583 2
(more info)
    UnavailableUnavailable Parts
PIN Special (1.5 821583  2  
821583 2OEM Part 821583 2 - Pin (Special) (more info) About Mercury Marine $13.70 $13.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 17-43044 PIN, Dowel - Without Hole (.375 x .625) (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
#9 10-818934 35 SCREW, (M8 x 35) (14 required per assembly)
SCREW (M8 x 35) 10-818934 35 10-818934 35
10-818934 35OEM Part 10-818934 35 - Screw (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 10-824461 80 SCREW, (M10 x 80) (8 required per assembly)
SCREW (M10 x 80) 10-824461 80 10-824461 80
10-824461 80OEM Part 10-824461 80 - Screw (more info) About Mercury Marine $9.20 $9.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 17-67296 PIN (3 required per assembly)
PIN-CENTER MAIN   O - Replaced by 17-8M0036405  
17-67296This part has been superseded. PIN-CENTER MAIN O - Replaced by 17-8M0036405
(more info)
    UnavailableUnavailable Parts
PIN 17-8M0036405  
17-8M0036405OEM Part 17-8M0036405 - Pin - Center Main (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 19-850309 PLUG (6 required per assembly)
PLUG-STOP         O - Replaced by 19-850309001  
19-850309This part has been superseded. PLUG-STOP O - Replaced by 19-850309001
(more info)
    UnavailableUnavailable Parts
PLUG Stop 19-850309001  
19-850309001OEM Part 19-850309001 - Plug - Stop (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 NSS NOT SOLD SEPARATE, Plug-Serial Number (1 required per assembly)
#14 821762 1 TIMING POINTER (1 required per assembly)
TIMING POINTER 821762  1  
821762 1OEM Part 821762 1 - Timing Pointer (more info) About Mercury Marine $12.10 $12.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 10-821300 12 SCREW, (M6 x 12) (1 required per assembly)
SCREW (M6 x 12) 10-821300 12 10-821300 12
10-821300 12OEM Part 10-821300 12 - Screw - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
10+ in stock. Explain stock levels
#16 54-816311T TIE STRAP, (8.00 Inches) (AR required per assembly)
TIE STRAP (8.00 I 54-816311T 54-816311T
54-816311TOEM Part 54-816311T - Tie Strap - Priced Individually (more info) About Mercury Marine $0.44 $0.44 Add to shopping cart
10+ in stock. Explain stock levels
#17 32-826544A 1 TUBING KIT (1 required per assembly)
TUBING KIT 32-826544A 1 32-826544A 1
32-826544A 1OEM Part 32-826544A 1 - Tubing Kit (more info) About Mercury Marine $26.33 $26.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 22-68727 1 FITTING, (.250-18) 90 Degree - Brass (1 required per assembly)
FITTING (.250-18) 22-68727  1  
22-68727 1OEM Part 22-68727 1 - Fitting (more info) About Mercury Marine $22.83 $22.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#19 12-856774 WASHER, (.406 x .750 x .105) Stainless Steel (10 required per assembly)
WASHER (.406 x .7 12-856774  
12-856774OEM Part 12-856774 - Washer (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
1 in stock. Explain stock levels
#20 11-40136 10 NUT, (M10) Stainless Steel (10 required per assembly)
NUT (M10) Stainle 11-40136 10  
11-40136 10OEM Part 11-40136 10 - Nut - Priced Individually (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
2 in stock. Explain stock levels
#21 825675 1 BRACKET (1 required per assembly)
BRACKET 825675  1  
825675 1OEM Part 825675 1 - Bracket (more info) About Mercury Marine $8.00 $8.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 821105 1 BRACKET, Alternator (1 required per assembly)
BRACKET Alternato 821105  1  
821105 1OEM Part 821105 1 - Bracket (more info) About Mercury Marine $10.50 $10.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 10-818934 50 SCREW, (M8 x 50) (2 required per assembly)
SCREW (M8 x 50) 10-818934 50 10-818934 50
10-818934 50OEM Part 10-818934 50 - Screw (more info) About Mercury Marine $3.80 $3.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#25 821225 1 BRACKET (1 required per assembly)
BRACKET 821225  1  
821225 1OEM Part 821225 1 - Bracket (more info) About Mercury Marine $5.90 $5.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 822486 BRACKET, Guide (1 required per assembly)
BRACKET Guide 822486 822486
822486OEM Part 822486 - Bracket (more info) About Mercury Marine $3.20 $3.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#28 821909 SENSOR (1 required per assembly)
SENSOR ASSY 821909 821909
821909OEM Part 821909 - Sensor Assembly (more info) About Mercury Marine $101.00 $101.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#29 10-821045 10 SCREW, (M5 x 10) (1 required per assembly)
SCREW (M5 x 10) 10-821045 10 10-821045 10
10-821045 10OEM Part 10-821045 10 - Screw (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#30 818574 SEAL, Cylinder Head (2 required per assembly)
SEAL 818574 818574
818574OEM Part 818574 - Seal (more info) About Mercury Marine $22.70 $19.44 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 25-818573 O-RING (6 required per assembly)
O-RING 25-818573 25-818573
25-818573OEM Part 25-818573 - O-Ring (more info) About Mercury Marine $14.30 $14.30 Add to shopping cart
10 in stock. Explain stock levels
O-RING (5/PKG) 18-7400-9
18-7400-9OEM Match 18-7400-9 - O-Ring (PK5) 908194 (more info)
Replaces OEM #0908194
About Sierra Marine $22.46 $16.22 Add to shopping cart
1 in stock. Explain stock levels
#32 812851A16 CYLINDER HEAD (2 required per assembly) SN# 0G960500 & Up
CYLINDER HEAD 812851A16  
812851A16OEM Part 812851A16 - Cylinder Head Kit (more info) About Mercury Marine $379.36 $379.36 Add to shopping cart
Available to order:
Usually ships
within 8 days
#32 812851A 2 CYLINDER HEAD (1 required per assembly) SN# 0G960499 & Below
HEAD KIT-CYLINDER O NLA 812851A 2
812851A 2 HEAD KIT-CYLINDER O NLA
(more info)
    UnavailableUnavailable Parts
#33 833072 THERMOSTAT, 62° Celsius (143° Fahrenheit) (2 required per assembly)
833072003 833072  
833072OEM Part 833072 - Thermostat-143 (more info) About Mercury Marine $25.03 $25.03 Add to shopping cart
1 in stock. Explain stock levels
THERMOSTAT 62 C ( 833072003 833072003
833072003OEM Part 833072003 - Thermostat (more info) About Mercury Marine $36.58 $36.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
Thermostat 18-3536
18-3536OEM Match 18-3536 - Thermostat (more info) About Sierra Marine $32.99 $26.97 Add to shopping cart
9 in stock. Explain stock levels
#34 27-62386 GASKET, Thermostat (2 required per assembly)
GASKET @4         O - Replaced by 27-62386001 27-62386
27-62386This part has been superseded. GASKET @4 O - Replaced by 27-62386001
(more info)
    UnavailableUnavailable Parts
GASKET Note: must be ordered in multiples of 4 27-62386001 27-62386001
27-62386001OEM Part 27-62386001 - Gasket - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
10+ in stock. Explain stock levels
Gasket, Thermostat 18-0182-9
18-0182-9OEM Match 18-0182-9 - Gasket 27-62386 2-Pack (more info)
Replaces OEM #0310058
About Sierra Marine $3.98 $2.71 Add to shopping cart
2 in stock. Explain stock levels
#35 19801A 1 THERMOSTAT COVER (1 required per assembly)
THERMOSTAT COVER 19801A 1  
19801A 1OEM Part 19801A 1 - Cover Kit (more info) About Mercury Marine $38.08 $38.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#36 22-816781 1 ELBOW (2 required per assembly)
ELBOW 22-816781  1  
22-816781 1OEM Part 22-816781 1 - Fitting (more info) About Mercury Marine $25.33 $25.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
#37 32-77653101 HOSE, (48.00 Inches Bulk) (19 IN.) (1 required per assembly) (PORT)
HOSE (48.00 Inche 32-77653101  
32-77653101OEM Part 32-77653101 - Hose -48 Inch (more info) About Mercury Marine $42.75 $42.75 Add to shopping cart
1 in stock. Explain stock levels
#38 10-824460 90 SCREW, (M8 x 90) (4 required per assembly)
SCREW (M8 x 90) 10-824460 90 10-824460 90
10-824460 90OEM Part 10-824460 90 - Screw (more info) About Mercury Marine $12.50 $12.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#39 10-824460 50 SCREW, (M8 x 50) (36 required per assembly)
SCREW             O - Replaced by 10-859096  
10-824460 50This part has been superseded. SCREW O - Replaced by 10-859096
(more info)
    UnavailableUnavailable Parts
SCREW             O - Replaced by 10-891570050  
10-859096This part has been superseded. SCREW O - Replaced by 10-891570050
(more info)
    UnavailableUnavailable Parts
SCREW @5          O - Replaced by 10-8M0045380  
10-891570050This part has been superseded. SCREW @5 O - Replaced by 10-8M0045380
(more info)
    UnavailableUnavailable Parts
SCREW (M8 x 50) 10-8M0045380  
10-8M0045380OEM Part 10-8M0045380 - Screw Note: Must be ordered in multiples of 5 (more info) About Mercury Marine $4.60 $4.60 Add to shopping cart
4 in stock. Explain stock levels
#40 13536A14 SENSOR ASSEMBLY, Temperature (1 required per assembly)
SENSOR ASSEMBLY T 13536A14 13536A14
13536A14OEM Part 13536A14 - Temperature Sensor (more info) About Mercury Marine $41.33 $41.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
#41 13715 1 RETAINER (1 required per assembly)
RETAINER 13715  1  
13715 1OEM Part 13715 1 - Retainer (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#42 10-818934 14 SCREW, (M8 x 14) (1 required per assembly)
SCREW (M8 x 14) 10-818934 14 10-818934 14
10-818934 14OEM Part 10-818934 14 - Screw (more info) About Mercury Marine $2.30 $2.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#43 1171-9787A 4 END CAP ASSEMBLY (1 required per assembly)
END CAP ASSEMBLY 1171-9787A 4  
1171-9787A 4OEM Part 1171-9787A 4 - End Cap Assembly (more info) About Mercury Marine $62.83 $62.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#44 25-62700 O-RING, (3.237 x .103) (1 required per assembly)
O-RING (3.237 x . 25-62700 25-62700
25-62700OEM Part 25-62700 - O-Ring (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
10+ in stock. Explain stock levels
O-Ring 18-0860-9
18-0860-9OEM Match 18-0860-9 - O-Ring 25-62700 2-Pack (more info) About Sierra Marine $5.98 $5.98 Add to shopping cart
6 in stock. Explain stock levels
#45 26-830898 1 SEAL (2 required per assembly)
SEAL 26-830898  1 26-830898  1
26-830898 1OEM Part 26-830898 1 - Seal (more info) About Mercury Marine $23.10 $19.78 Add to shopping cart
Available to order:
Usually ships
within 8 days
#46 10-821300 20 SCREW, (M6 x 20) (4 required per assembly)
SCREW (M6 x 20) 10-821300 20 10-821300 20
10-821300 20OEM Part 10-821300 20 - Screw - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
1 in stock. Explain stock levels
#47 826121 1 BRACKET (1 required per assembly)
BRACKET 826121  1  
826121 1OEM Part 826121 1 - Bracket (more info) About Mercury Marine $39.25 $39.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#48 10-48408 SCREW, (#10-16 x .500) (1 required per assembly)
SCREW (#10-16 x . 10-48408 10-48408
10-48408OEM Part 10-48408 - Screw - Priced Individually (more info) About Mercury Marine $1.63 $1.63 Add to shopping cart
Available to order:
Usually ships
within 8 days
#50 826624 1 CLAMP (1 required per assembly)
CLAMP 826624  1  
826624 1OEM Part 826624 1 - Clamp (more info) About Mercury Marine $18.67 $18.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 809794A97 POWERHEAD ASSEMBLY (1 required per assembly) (225/250) SN# 0G960499 & Below
ORD 809794R97     O NLA  
809794A97 ORD 809794R97 O NLA
(more info)
    UnavailableUnavailable Parts
#- 804799A00 POWERHEAD ASSEMBLY (1 required per assembly) (225) SN# 0G960500 & Up
PH 225/250EFI 3.0 O NLA  
804799A00 PH 225/250EFI 3.0 O NLA
(more info)
    UnavailableUnavailable Parts
#- 804800A00 POWERHEAD ASSEMBLY (1 required per assembly) (250) SN# 0G960500 & Up
ORD 804800R00     O NLA  
804800A00 ORD 804800R00 O NLA
(more info)
    UnavailableUnavailable Parts