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Parts for Mercury Mariner Racing Mercury 25XS Cylinder Block & Covers

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 872-9533A 3 CYLINDER BLOCK/ CRANK CASE ASSEMBLY (1 required per assembly)
CYLINDER BLOCK    O - Replaced by 872-9533A29  
872-9533A 3This part has been superseded. CYLINDER BLOCK O - Replaced by 872-9533A29
(more info)
    UnavailableUnavailable Parts
CYLINDER BLOCK    O - Replaced by 872-9533T29  
872-9533A29This part has been superseded. CYLINDER BLOCK O - Replaced by 872-9533T29
(more info)
    UnavailableUnavailable Parts
CYLINDER BLOCK    O - Replaced by 872-9533T39  
872-9533T29This part has been superseded. CYLINDER BLOCK O - Replaced by 872-9533T39
(more info)
    UnavailableUnavailable Parts
ORD 872- 9533T38  O NLA  
872-9533T39 ORD 872- 9533T38 O NLA
(more info)
    UnavailableUnavailable Parts
#2 17-85171 DOWEL PIN, CYLINDER BLOCK (3 required per assembly)
PIN Dowel 17-85171  
17-85171OEM Part 17-85171 - Pin -Dowel (more info) About Mercury Marine $3.30 $3.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 22-15133 ELBOW, BLEED HOSE (45) (2 required per assembly)
FITTING 22-15133 22-15133
22-15133OEM Part 22-15133 - Fitting (more info) About Mercury Marine $10.00 $6.75 Add to shopping cart
3 in stock. Explain stock levels
#4 32-99130122 HOSE, BLEED (12-1/4") (2 required per assembly)
TUBING-20 FEET    O - Replaced by 32-892024122 32-99130122
32-99130122This part has been superseded. TUBING-20 FEET O - Replaced by 32-892024122
(more info)
    UnavailableUnavailable Parts
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
#5 16-42917 STUD, CARBURETOR (2 required per assembly)
STUD              O - Replaced by 16-42917  3  
16-42917This part has been superseded. STUD O - Replaced by 16-42917 3
(more info)
    UnavailableUnavailable Parts
STUD 16-42917  3  
16-42917 3OEM Part 16-42917 3 - Stud (more info) About Mercury Marine $7.80 $7.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 10-40001209 SCREW, CRANKCASE TO CULINDER BLOCK (60MM) (6 required per assembly)
SCREW (M10 x 60) 10-40001209 10-40001209
10-40001209OEM Part 10-40001209 - Screw (more info) About Mercury Marine $2.60 $2.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 27-41475 4 GASKET, EXHAUST MANIFOLD (1 required per assembly)
GASKET            O - Replaced by 27-41475  5  
27-41475 4This part has been superseded. GASKET O - Replaced by 27-41475 5
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-41475  6 27-41475  5
27-41475 5This part has been superseded. GASKET O - Replaced by 27-41475 6
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-41475  8 27-41475  6
27-41475 6This part has been superseded. GASKET O - Replaced by 27-41475 8
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-892158 27-41475  8
27-41475 8This part has been superseded. GASKET O - Replaced by 27-892158
(more info)
    UnavailableUnavailable Parts
GASKET Exhaust Ma 27-892158 27-892158
27-892158OEM Part 27-892158 - Gasket (more info) About Mercury Marine $6.10 $6.10 Add to shopping cart
1 in stock. Explain stock levels
Exhaust Manifold Gasket 18-2717
18-2717OEM Match 18-2717 - Gasket, 27-41475 8 (more info) About Sierra Marine $7.49 $4.23 Add to shopping cart
2 in stock. Explain stock levels
#8 92329 1 EXHAUST MANIFOLD (1 required per assembly)
EXH. MANIFOLD     O - Replaced by -92329F03  
92329 1This part has been superseded. EXH. MANIFOLD O - Replaced by -92329F03
(more info)
    UnavailableUnavailable Parts
MANIFOLD Exhaust 92329F03  
92329F03OEM Part 92329F03 - Exhaust Manifold Edp (more info) About Mercury Marine $40.67 $40.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 27-41499 4 GASKET, EXHAUST COVER (1 required per assembly)
GASKET            O - Replaced by 27-41499  3  
27-41499 4This part has been superseded. GASKET O - Replaced by 27-41499 3
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-41499  5 27-41499  3
27-41499 3This part has been superseded. GASKET O - Replaced by 27-41499 5
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-892157 27-41499  5
27-41499 5This part has been superseded. GASKET O - Replaced by 27-892157
(more info)
    UnavailableUnavailable Parts
GASKET Exhaust Ma 27-892157 27-892157
27-892157OEM Part 27-892157 - Gasket (more info) About Mercury Marine $6.70 $6.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
Exhaust Cover Gasket 18-2714
18-2714OEM Match 18-2714 - Gasket (more info) About Sierra Marine $5.99 $4.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 92330 1 COVER, EXHAUST (1 required per assembly)
COVER 92330  1  
92330 1OEM Part 92330 1 - Cover (more info) About Mercury Marine $60.92 $60.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 10-40003 33 SCREW, EXHAUST COVER TO CYLINDER BLOCK (40MM) (10 required per assembly)
SCREW (M6 x 40) 10-40003 33 10-40003 33
10-40003 33OEM Part 10-40003 33 - Screw - Priced Individually (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 14407 COVER, TRANSFER PORT (2 required per assembly)
COVER,NLA 14407  
14407OEM Part 14407 - Cover, NLA (more info) About Mercury Marine $15.00 $15.00 Add to shopping cart
1 in stock. Explain stock levels
COVER 14407  1  
14407 1OEM Part 14407 1 - Cover (more info) About Mercury Marine $17.67 $17.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 25-30503 "O" RING, TRANSFER PORT COVER (2 required per assembly)
O-RING            O - Replaced by 25-822370  
25-30503This part has been superseded. O-RING O - Replaced by 25-822370
(more info)
    UnavailableUnavailable Parts
O-RING (2.362 x . 25-822370  
25-822370OEM Part 25-822370 - O-Ring - Priced Individually (more info) About Mercury Marine $2.90 $2.90 Add to shopping cart
10+ in stock. Explain stock levels
#14 10-40057107 SCREW, COVER TO CYLINDER BLOCK (16MM) (4 required per assembly)
SCREW,NLA 10-40057107  
10-40057107OEM Part 10-40057107 - Screw, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
5 in stock. Explain stock levels
#15 1028-8282 1 COVER ASSEMBLY, CYLINDER BLOCK (1 required per assembly)
COVER             O - Replaced by 1028-8282A 1  
1028-8282 1This part has been superseded. COVER O - Replaced by 1028-8282A 1
(more info)
    UnavailableUnavailable Parts
COVER ASSEMBLY 1028-8282A 1 1028-8282A 1
1028-8282A 1OEM Part 1028-8282A 1 - Cover (more info) About Mercury Marine $92.17 $92.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 10-40003 31 SCREW, COVER ATTACHING (30MM) (5 required per assembly)
SCREW (M6 x 30) 10-40003 31 10-40003 31
10-40003 31OEM Part 10-40003 31 - Screw (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 27-86389 1 GASKET,CYLINDER BLOCK COVER (1 required per assembly)
GASKET            O - Replaced by 27-86389  3 27-86389  1
27-86389 1This part has been superseded. GASKET O - Replaced by 27-86389 3
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-86389  5 27-86389  3
27-86389 3This part has been superseded. GASKET O - Replaced by 27-86389 5
(more info)
    UnavailableUnavailable Parts
GASKET 27-86389  5 27-86389  5
27-86389 5OEM Part 27-86389 5 - Gasket (more info) About Mercury Marine $5.90 $5.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
Cylinder Head Gasket 18-2736
18-2736OEM Match 18-2736 - Gasket 27-86389 5 (more info) About Sierra Marine $5.49 $3.76 Add to shopping cart
10 in stock. Explain stock levels
#18 22-99664 ELBOW, TELL TALE HOSE (1 required per assembly)
ELBOW             O - Replaced by 22-99664  1  
22-99664This part has been superseded. ELBOW O - Replaced by 22-99664 1
(more info)
    UnavailableUnavailable Parts
ELBOW             O - Replaced by 22-99664  2  
22-99664 1This part has been superseded. ELBOW O - Replaced by 22-99664 2
(more info)
    UnavailableUnavailable Parts
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
#19 32-99127109 HOSE, TELL TAIL (8") (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
#20 54-12627 STRAP (1 required per assembly)
STRAP 54-12627  
54-12627OEM Part 54-12627 - Strap (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#21 14406 COVER, TRANSFER PORT (2 required per assembly)
COVER 14406 14406
14406OEM Part 14406 - Cover (more info) About Mercury Marine $15.00 $15.00 Add to shopping cart
2 in stock. Explain stock levels
#22 25-86391 "O" RING, TRANSFER PORT COVER (2 required per assembly)
O-RING 25-86391 25-86391
25-86391OEM Part 25-86391 - O-Ring - Priced Individually (more info) About Mercury Marine $4.70 $4.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 14408 COVER, TRANSFER PORT (2 required per assembly)
COVER 14408 14408
14408OEM Part 14408 - Cover (more info) About Mercury Marine $19.25 $19.25 Add to shopping cart
2 in stock. Explain stock levels
#25 25-33465 "O" RING, TRANSFER PORT COVER (2 required per assembly)
O-RING 25-33465 25-33465
25-33465OEM Part 25-33465 - O-Ring - Priced Individually (more info) About Mercury Marine $3.30 $3.30 Add to shopping cart
10+ in stock. Explain stock levels
O-Ring 18-7163-9
18-7163-9OEM Match 18-7163-9 - O-Ring (5pk) 25-33465 (more info) About Sierra Marine $17.45 $11.03 Add to shopping cart
2 in stock. Explain stock levels
#26 10-40017107 SCREW, COVER TO CYLINDER BLOCK (16MM) (4 required per assembly)
SCREW             O - Replaced by 10-40011107  
10-40017107This part has been superseded. SCREW O - Replaced by 10-40011107
(more info)
    UnavailableUnavailable Parts
SCREW (M5 x 16) S 10-40011107 10-40011107
10-40011107OEM Part 10-40011107 - Screw (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
5 in stock. Explain stock levels
#27 42471 2 REED BLOCK (1 required per assembly)
REED BLOCK        O - Replaced by -14112  
42471 2This part has been superseded. REED BLOCK O - Replaced by -14112
(more info)
    UnavailableUnavailable Parts
REED BLOCK        O - Replaced by -14112T  
14112This part has been superseded. REED BLOCK O - Replaced by -14112T
(more info)
    UnavailableUnavailable Parts
REED BLOCK 14112T 14112T
14112TOEM Part 14112T - Reed Block (more info) About Mercury Marine $101.00 $101.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#28 85977 1 SEAL, REED BLOCK-RUBBER (1 required per assembly)
85977002 85977  1  
85977 1OEM Part 85977 1 - SEAL (more info) About Mercury Marine $8.20 $8.20 Add to shopping cart
6 in stock. Explain stock levels
SEAL 85977002 85977002
85977002OEM Part 85977002 - Seal (more info) About Mercury Marine $9.50 $9.50 Add to shopping cart
2 in stock. Explain stock levels
#29 27-41417 1 GASKET, REED BLOCK (1 required per assembly)
GASKET            O - Replaced by 27-41417  2 27-41417  1
27-41417 1This part has been superseded. GASKET O - Replaced by 27-41417 2
(more info)
    UnavailableUnavailable Parts
GASKET 27-41417  2 27-41417  2
27-41417 2OEM Part 27-41417 2 - Gasket (more info) About Mercury Marine $4.50 $4.50 Add to shopping cart
2 in stock. Explain stock levels
#30 34-99319 REED (2 required per assembly)
REED              O - Replaced by 34-816806  
34-99319This part has been superseded. REED O - Replaced by 34-816806
(more info)
    UnavailableUnavailable Parts
REED,NLA 34-816806 34-816806
34-816806OEM Part 34-816806 - Reed, NLA (more info) About Mercury Marine $45.00 $45.00 Add to shopping cart
10+ in stock. Explain stock levels
#31 34-89793 1 REED STOP (2 required per assembly)
REED STOP,NLA 34-89793  1  
34-89793 1OEM Part 34-89793 1 - Reed Stop, NLA (more info) About Mercury Marine $4.00 $4.00 Add to shopping cart
10+ in stock. Explain stock levels
#32 10-40057 85 SCREW, REED ATTACHING (10MM) (4 required per assembly)
SCREW (M4 x 10) 10-40057 85 10-40057 85
10-40057 85OEM Part 10-40057 85 - Screw - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#33 27-41418 1 GASKET, ADAPTER PLATE (1 required per assembly)
GASKET 27-41418  1 27-41418  1
27-41418 1OEM Part 27-41418 1 - Gasket (more info) About Mercury Marine $3.60 $3.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#34 41420A 1 PLATE, ADAPTOR-CARBURETOR (1 required per assembly)
41420A2 41420A 1  
41420A 1OEM Part 41420A 1 - Plate Assembly (more info) About Mercury Marine $13.20 $13.20 Add to shopping cart
2 in stock. Explain stock levels
CARB ADAP. PLATE  O - Replaced by -41420A 3  
41420A 2This part has been superseded. CARB ADAP. PLATE O - Replaced by -41420A 3
(more info)
    UnavailableUnavailable Parts
PLATE ASSEMBLY Ca 41420A 3 41420A 3
41420A 3OEM Part 41420A 3 - Carburetor Adapter Plate (more info) About Mercury Marine $41.58 $41.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#35 22-56759 FITTING, ADAPTER PLATE-BLEED HOSE (2 required per assembly)
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
#36 10-40019108 SCREW, PLATE TO REED BLOCK (3 required per assembly)
SCREW (M5 x 20) 10-40019108 10-40019108
10-40019108OEM Part 10-40019108 - Screw (more info) About Mercury Marine $1.04 $1.04 Add to shopping cart
Available to order:
Usually ships
within 8 days
#37 11-40021 3 NUT, CARBURETOR STUD (2 required per assembly)
NUT (M8) Stainles 11-40021  3 11-40021 3
11-40021 3OEM Part 11-40021 3 - Nut - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
4 in stock. Explain stock levels
#38 14317 1 COVER, THERMOSTAT (1 required per assembly)
COVER 14317  1  
14317 1OEM Part 14317 1 - Cover (more info) About Mercury Marine $18.50 $18.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#39 27-14318 2 GASKET, THERMOSTAT COVER (1 required per assembly)
GASKET            O - Replaced by 27-14318  4  
27-14318 2This part has been superseded. GASKET O - Replaced by 27-14318 4
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-14318  3  
27-14318 4This part has been superseded. GASKET O - Replaced by 27-14318 3
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-14318005 27-14318  3
27-14318 3This part has been superseded. GASKET O - Replaced by 27-14318005
(more info)
    UnavailableUnavailable Parts
GASKET 27-14318005 27-14318005
27-14318005OEM Part 27-14318005 - Thermostat Gasket (more info) About Mercury Marine $2.20 $2.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
Gasket 18-0323
18-0323OEM Match 18-0323 - Gasket, 27-14318005 (more info) About Sierra Marine $2.99 $1.46 Add to shopping cart
3 in stock. Explain stock levels
#41 16-14803 STUD (6 required per assembly)
NLA - STUD        O NLA  
16-14803 NLA - STUD O NLA
(more info)
    UnavailableUnavailable Parts
#42 12-70132 WASHER (6 required per assembly)
WASHER @5         O - Replaced by 12-8M0042642  
12-70132This part has been superseded. WASHER @5 O - Replaced by 12-8M0042642
(more info)
    UnavailableUnavailable Parts
WASHER (.323 x .5 12-8M0042642 12-8M0042642
12-8M0042642OEM Part 12-8M0042642 - Washer - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
6 in stock. Explain stock levels
#43 11-40063 5 NUT (6 required per assembly)
NUT @5            O - Replaced by 11-40138  8  
11-40063 5This part has been superseded. NUT @5 O - Replaced by 11-40138 8
(more info)
    UnavailableUnavailable Parts
NUT (M8) Stainles 11-40138  8  
11-40138 8OEM Part 11-40138 8 - Nut - Priced Individually (more info) About Mercury Marine $2.15 $2.15 Add to shopping cart
5 in stock. Explain stock levels