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Parts for Mariner 250 HP / 275 HP Exhaust Manifold & Cylinder Head

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 88834 BRACKET (1 required per assembly)
BRACKET,NLA 88834  
88834OEM Part 88834 - Bracket, NLA (more info) About Mercury Marine $28.00 $28.00 Add to shopping cart
4 in stock. Explain stock levels
#2 10-815160 30 SCREW (30 MM) (1 required per assembly)
SCREW,NLA 10-815160 30  
10-815160 30OEM Part 10-815160 30 - Screw, NLA (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
10+ in stock. Explain stock levels
#3 16-15093 STUD (1") (4 required per assembly)
168M0034435 16-15093  
16-15093OEM Part 16-15093 - Stud (more info) About Mercury Marine $7.02 $7.02 Add to shopping cart
4 in stock. Explain stock levels
STUD 16-8M0034435  
16-8M0034435OEM Part 16-8M0034435 - Stud (more info) About Mercury Marine $7.50 $7.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 16-69016 STUD (1.44") (4 required per assembly)
STUD,NLA 16-69016  
16-69016OEM Part 16-69016 - Stud, NLA (more info) About Mercury Marine $16.00 $16.00 Add to shopping cart
9 in stock. Explain stock levels
#4 12-49221 WASHER (LARGE) (8 required per assembly)
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
#5 12-22887 WASHER (SMALL) (8 required per assembly)
WASHER 12-22887  
12-22887OEM Part 12-22887 - Washer (more info) About Mercury Marine $1.80 $1.80 Add to shopping cart
9 in stock. Explain stock levels
#6 11-816874 WING NUT (4 required per assembly)
WING NUT (#10-32) 11-816874  
11-816874OEM Part 11-816874 - Wing Nut (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 94110A 1 COVER(SEE DESIGN I DRAWING) (1 required per assembly)
COVER             O NLA  
94110A 1 COVER O NLA
(more info)
    UnavailableUnavailable Parts
#7 94110 3 COVER (SEE DESIGN II DRAWING) (1 required per assembly)
EXH. MANIF. COVE,NLA 94110  3  
94110 3OEM Part 94110 3 - Exhaust Manifold Cover (more info) About Mercury Marine $220.00 $220.00 Add to shopping cart
7 in stock. Explain stock levels
#8 27-94060 1 GASKET (1 required per assembly)
GASKET,NLA 27-94060  1  
27-94060 1OEM Part 27-94060 1 - Gasket (more info) About Mercury Marine $10.00 $10.00 Add to shopping cart
10+ in stock. Explain stock levels
#9 10-815160 25 SCREW(25 MM) (17 required per assembly)
SCREW             O - Replaced by 10-40011149  
10-815160 25This part has been superseded. SCREW O - Replaced by 10-40011149
(more info)
    UnavailableUnavailable Parts
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
#10 22-38407 PIPE PLUG (1 required per assembly)
PLUG (.500-14) 22-38407  
22-38407OEM Part 22-38407 - Plug (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
1 in stock. Explain stock levels
#11 90435 MOUNT (4 required per assembly)
MOUNT 90435 90435
90435OEM Part 90435 - Mount (more info) About Mercury Marine $41.58 $41.58 Add to shopping cart
8 in stock. Explain stock levels
#12 12-29245 WASHER (8 required per assembly)
WASHER (.281 x .5 12-29245 12-29245
12-29245OEM Part 12-29245 - Washer (more info) About Mercury Marine $0.86 $0.86 Add to shopping cart
Available to order:
Usually ships
within 8 days
Ss Washer 18-4275
18-4275OEM Match 18-4275 - SS Washer (more info) About Sierra Marine $1.99 $1.46 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 11-35888 NUT (8 required per assembly)
NUT (.250-28) Sta 11-35888 11-35888
11-35888OEM Part 11-35888 - Nut - Priced Individually (more info) About Mercury Marine $4.70 $1.14 Add to shopping cart
10+ in stock. Explain stock levels
S.S. Steel Locknut 18-3722-9
18-3722-9OEM Match 18-3722-9 - Lock Nut, 121731, 11-35888 (more info)
Replaces OEM #0121731
About Sierra Marine $14.95 $7.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 41020A 3 CYLINDER HEAD (2 required per assembly)
CYLINDER HEAD ASY O NLA  
41020A 3 CYLINDER HEAD ASY O NLA
(more info)
    UnavailableUnavailable Parts
#15 88251 SEAL (2 required per assembly)
SEAL,NLA 88251 88251
88251OEM Part 88251 - Seal, NLA (more info) About Mercury Marine $48.00 $48.00 Add to shopping cart
10+ in stock. Explain stock levels
#16 25-88923 O-RING (6 required per assembly)
O RING,NLA 25-88923 25-88923
25-88923OEM Part 25-88923 - O-Ring (more info) About Mercury Marine $7.00 $7.00 Add to shopping cart
10+ in stock. Explain stock levels
#17 10-817427 80 SCREW (80 MM) (48 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
#17 10-815160 50 SCREW (50 MM) (48 required per assembly)
SCREW 10-815160 50 10-815160 50
10-815160 50OEM Part 10-815160 50 - Screw (more info) About Mercury Marine $4.20 $4.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 54-47483 CLAMP (3 required per assembly)
J CLIP 54-47483  
54-47483OEM Part 54-47483 - J Clip (more info) About Mercury Marine $6.20 $6.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#19 14586 THERMOSTAT (120) (2 required per assembly)
THERMOSTAT 14586 14586
14586OEM Part 14586 - Thermostat -120 (more info) About Mercury Marine $27.50 $27.50 Add to shopping cart
8 in stock. Explain stock levels
Thermostat, 120F 18-3549
18-3549OEM Match 18-3549 - Thermostat, 14586 (more info) About Sierra Marine $24.99 $20.53 Add to shopping cart
6 in stock. Explain stock levels
#20 27-62386 GASKET (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
#21 90390A 1 COVER (2 required per assembly)
COVER KIT 90390A 1 90390A 1
90390A 1OEM Part 90390A 1 - Thermostat Cover Kit (more info) About Mercury Marine $25.75 $25.75 Add to shopping cart
2 in stock. Explain stock levels
#22 10-74824 SCREW (1-1/4") (4 required per assembly)
SCREW (.312-18 x 10-74824 10-74824
10-74824OEM Part 10-74824 - Screw - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 22-68727 FITTING (2 required per assembly)
FITTING           O - Replaced by 22-68727  1  
22-68727This part has been superseded. FITTING O - Replaced by 22-68727 1
(more info)
    UnavailableUnavailable Parts
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
#24 32-77653 77 HOSE (2 required per assembly)
HOSE-24.5 INCH    O - Replaced by 32-77653 78  
32-77653 77This part has been superseded. HOSE-24.5 INCH O - Replaced by 32-77653 78
(more info)
    UnavailableUnavailable Parts
HOSE-25 INCH      O - Replaced by 32-77653101  
32-77653 78This part has been superseded. HOSE-25 INCH O - Replaced by 32-77653101
(more info)
    UnavailableUnavailable Parts
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
#25 22-91836 TEE (1 required per assembly)
CONNECTOR         O NLA  
22-91836 CONNECTOR O NLA
(more info)
    UnavailableUnavailable Parts
#26 54-816311 CLAMP (AR required per assembly)
TIE STRAP         O - Replaced by 54-816311T 54-816311
54-816311This part has been superseded. TIE STRAP O - Replaced by 54-816311T
(more info)
    UnavailableUnavailable Parts
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
#28 32-99127109 HOSE, TELL TAIL (4") (1 required per assembly)
TUBING-57 INCH    O - Replaced by 32-830756109  
32-99127109This part has been superseded. TUBING-57 INCH O - Replaced by 32-830756109
(more info)
    UnavailableUnavailable Parts
HOSE-57 INCH      O - Replaced by 32-8M0047428 32-830756109
32-830756109This part has been superseded. HOSE-57 INCH O - Replaced by 32-8M0047428
(more info)
    UnavailableUnavailable Parts
HOSE-57 INCH       - Replaced by 32-8M0108355 32-8M0047428
32-8M0047428This part has been superseded. HOSE-57 INCH - Replaced by 32-8M0108355
(more info)
    UnavailableUnavailable Parts
HOSE (57 Inches B 32-8M0108355  
32-8M0108355OEM Part 32-8M0108355 - Hose-57 Inch (more info) About Mercury Marine $43.90 $37.59 Add to shopping cart
Available to order:
Usually ships
within 8 days
#29 22-76256 FITTING (1 required per assembly)
NOZZLE 22-76256 22-76256
22-76256OEM Part 22-76256 - Fitting (more info) About Mercury Marine $7.30 $7.30 Add to shopping cart
2 in stock. Explain stock levels
#30 12415 TEMPERATURE SENDER (1 required per assembly)
SENDER Temperatur 12415 12415
12415OEM Part 12415 - Temperature Sender Assembly (more info) About Mercury Marine $37.33 $30.24 Add to shopping cart
3 in stock. Explain stock levels
Temperature Sender 18-5896
18-5896OEM Match 18-5896 - Sender, 12415 (more info) About Sierra Marine $23.49 $18.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 22-68307 PIPE PLUG (1 required per assembly)
PLUG 22-68307 22-68307
22-68307OEM Part 22-68307 - Plug (more info) About Mercury Marine $8.50 $8.50 Add to shopping cart
10+ in stock. Explain stock levels