Logo

Parts for Mercury Mark & Kiekhaefer Mark 20, 15, KH7, WG7 Crankcase Assembly

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 917-478A 1 CRANKCASE ASSEMBLY (1,, required per assembly)
CRANKCASE         O NLA  
917-478A 1 CRANKCASE O NLA
(more info)
    UnavailableUnavailable Parts
#1 902-42A 1 CRANKCASE ASSEMBLY (,1,1 required per assembly)
CRANKCASE         O NLA 902-42A 1
902-42A 1 CRANKCASE O NLA
(more info)
    UnavailableUnavailable Parts
#- 917-478 CRANKCASE (1,, required per assembly)
CRANKCASE         O NLA  
917-478 CRANKCASE O NLA
(more info)
    UnavailableUnavailable Parts
#2 26-20465 OIL SEAL (1,1,1 required per assembly)
OIL SEAL @5       O - Replaced by 26-31507  
26-20465This part has been superseded. OIL SEAL @5 O - Replaced by 26-31507
(more info)
    UnavailableUnavailable Parts
OIL SEAL @3       O - Replaced by 26-79884  
26-31507This part has been superseded. OIL SEAL @3 O - Replaced by 26-79884
(more info)
    UnavailableUnavailable Parts
OIL SEAL          O - Replaced by 26-16977 26-79884
26-79884This part has been superseded. OIL SEAL O - Replaced by 26-16977
(more info)
    UnavailableUnavailable Parts
SEAL Oil 26-16977 26-16977
26-16977OEM Part 26-16977 - Seal (more info) About Mercury Marine $14.70 $14.70 Add to shopping cart
7 in stock. Explain stock levels
Oil Seal 18-2026
18-2026OEM Match 18-2026 - Seal, 321453 (more info)
Replaces OEM #0321453
About Sierra Marine $13.99 $9.76 Add to shopping cart
10+ in stock. Explain stock levels
Oil Seal 18-2013
18-2013OEM Match 18-2013 - Seal, 26-16977 (more info) About Sierra Marine $14.49 $9.83 Add to shopping cart
10+ in stock. Explain stock levels
#3 31-21700 BEARING, ROLLER (1,, required per assembly)
BEARING Needle 31-21700 31-21700
31-21700OEM Part 31-21700 - Bearing (more info) About Mercury Marine $13.80 $13.80 Add to shopping cart
1 in stock. Explain stock levels
#3 31-20463 BEARING, ROLLER (,1,1 required per assembly)
ROLLER BEAR,NLA 31-20463  
31-20463OEM Part 31-20463 - Roller Bearing, NLA (more info) About Mercury Marine $25.00 $25.00 Add to shopping cart
6 in stock. Explain stock levels
#4 30-20464 BEARING, BALL (1,1,1 required per assembly)
BALL BEARING      O - Replaced by 30-63326  
30-20464This part has been superseded. BALL BEARING O - Replaced by 30-63326
(more info)
    UnavailableUnavailable Parts
BEARING-BALL      O - Replaced by 30-63326T  
30-63326This part has been superseded. BEARING-BALL O - Replaced by 30-63326T
(more info)
    UnavailableUnavailable Parts
BEARING-BALL 30-63326T 30-63326T
30-63326TOEM Part 30-63326T - Ball Bearing (more info) About Mercury Marine $19.00 $19.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
Ball Bearing 18-1153
18-1153OEM Match 18-1153 - Bearing 30-63326 (more info) About Sierra Marine $24.49 $19.68 Add to shopping cart
2 in stock. Explain stock levels
#5 16-20469 STUD, CRANKCASE TO COWL MOUNTING BRACKET (,4,4 required per assembly)
STUD              O - Replaced by 16-68169  
16-20469This part has been superseded. STUD O - Replaced by 16-68169
(more info)
    UnavailableUnavailable Parts
STUD              O NLA  
16-68169 STUD O NLA
(more info)
    UnavailableUnavailable Parts
#6 16-20468 STUD, CRANKCASE TO CARBURETOR (2,2,2 required per assembly)
STUD              O NLA  
16-20468 STUD O NLA
(more info)
    UnavailableUnavailable Parts
#7 16-20466 STUD, CRANKCASE TO DRIVE SHAFT HOUSING (2,2,2 required per assembly)
STUD              O NLA  
16-20466 STUD O NLA
(more info)
    UnavailableUnavailable Parts
#8 16-20467 STUD, CRANKCASE TO CRANKCASE BOTTOM (2,2,2 required per assembly)
STUD              O - Replaced by 16-68169  
16-20467This part has been superseded. STUD O - Replaced by 16-68169
(more info)
    UnavailableUnavailable Parts
#9 13-26992 LOCKWASHER, CRANKCASE BOTTOM STUD (2,2,2 required per assembly)
LOCKWASHER (.250) 13-26992  
13-26992OEM Part 13-26992 - LockWasher - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#10 11-20088 NUT, CRANKCASE BOTTOM STUD (2,2,2 required per assembly)
NUT,NLA 11-20088  
11-20088OEM Part 11-20088 - Nut, NLA (more info) About Mercury Marine $1.65 $1.65 Add to shopping cart
10+ in stock. Explain stock levels
#11 10-20089 SCREW, CENTER MAIN BEARING LOCKING (1,1,1 required per assembly)
SCREW,NLA 10-20089  
10-20089OEM Part 10-20089 - Screw, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
10+ in stock. Explain stock levels
#12 14-20091 TAB WASHER, CENTER MAIN BEARING LOCKING SCREW (1,1,1 required per assembly)
TAB WASHER 14-20091  
14-20091OEM Part 14-20091 - Tab Washer - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
10+ in stock. Explain stock levels
#13 1103-50A 1 CRANKCASE BOTTOM ASSEMBLY (1,, required per assembly)
CRANKCASE BOTTOM  O NLA  
1103-50A 1 CRANKCASE BOTTOM O NLA
(more info)
    UnavailableUnavailable Parts
#13 1103-49A 1 CRANKCASE BOTTOM ASSEMBLY (SEE NOTE BELOW) (,1,1 required per assembly)
CRANKCASE BOTTOM  O NLA  
1103-49A 1 CRANKCASE BOTTOM O NLA
(more info)
    UnavailableUnavailable Parts
#14 26-20513 OIL SEAL (1,, required per assembly)
OIL SEAL          O NLA  
26-20513 OIL SEAL O NLA
(more info)
    UnavailableUnavailable Parts
#14 26-20948 OIL SEAL (,1,1 required per assembly)
SEAL ,NLA 26-20948 26-20948
26-20948OEM Part 26-20948 - Seal, NLA (more info) About Mercury Marine $18.00 $18.00 Add to shopping cart
1 in stock. Explain stock levels
#15 15-20514 SHIM, BALL BEARING (.002-3-5-10) (AR,AR,AR required per assembly)
#17 27-20515 GASKET, CRANKCASE BOTTOM TO CRANKCASE (1,1,1 required per assembly)
Gasket,NLA 27-20515  
27-20515OEM Part 27-20515 - Gasket (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#-- 27-20516 GASKET, CRANKCASE BOTTOM TO PLATE (SEE NOTE BELOW) (1,1,1 required per assembly)
Gasket,NLA 27-20516  
27-20516OEM Part 27-20516 - Gasket (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
6 in stock. Explain stock levels
#-- 20517 PLATE, CRANKCASE BOTTOM (1,1,1 required per assembly)
PLATE,NLA 20517  
20517OEM Part 20517 - Plate (more info) About Mercury Marine $4.50 $4.50 Add to shopping cart
8 in stock. Explain stock levels
#18 11-20509 NUT, BRACKET STUD (,1,1 required per assembly)
1134863 11-20509  
11-20509OEM Part 11-20509 - Nut - Priced Individually (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10 in stock. Explain stock levels
NUT @3            O - Replaced by 11-826709113  
11-34863This part has been superseded. NUT @3 O - Replaced by 11-826709113
(more info)
    UnavailableUnavailable Parts
NUT (.375-24) Sta 11-826709113 11-826709113
11-826709113OEM Part 11-826709113 - Nut -ss - Priced Individually (more info) About Mercury Marine $5.10 $5.10 Add to shopping cart
3 in stock. Explain stock levels
#19 12-20572 WASHER, BRACKET STUD (,1,1 required per assembly)
WASHER (.390 x .7 12-20572  
12-20572OEM Part 12-20572 - Washer (more info) About Mercury Marine $1.10 $0.62 Add to shopping cart
9 in stock. Explain stock levels
#20 23-20571 BUSHING, BRACKET STUD (,1,1 required per assembly)
BUSHING           O NLA  
23-20571 BUSHING O NLA
(more info)
    UnavailableUnavailable Parts
#21 20570 PLATE, COWL MOUNTING (,1,1 required per assembly)
PLATE,NLA 20570  
20570OEM Part 20570 - Plate, NLA (more info) About Mercury Marine $15.00 $15.00 Add to shopping cart
1 in stock. Explain stock levels
#22 12-20551 WASHER, RUBBER = PLATE TO STARBOARD BRACKET (,1,1 required per assembly)
WASHER            O NLA  
12-20551 WASHER O NLA
(more info)
    UnavailableUnavailable Parts
#23 12-20028 WASHER, COWL MOUNTING STUD (,4,4 required per assembly)
WASHER (.265 x .4 12-20028  
12-20028OEM Part 12-20028 - Washer - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
10+ in stock. Explain stock levels
#24 20549A 1 FRONT STARBOARD BRACKET ASSEMBLY (,1,1 required per assembly)
Bracket Asy,NLA 20549A 1  
20549A 1OEM Part 20549A 1 - Bracket Assembly, NLA (more info) About Mercury Marine $20.00 $20.00 Add to shopping cart
7 in stock. Explain stock levels
#25 23-26348 BUSHING, COWL MOUNTING STUD (,1,1 required per assembly)
BUSHING      ,NLA 23-26348  
23-26348OEM Part 23-26348 - Bushing , NLA (more info) About Mercury Marine $14.00 $14.00 Add to shopping cart
10+ in stock. Explain stock levels
#26 16-20550 STUD, COWL MOUNTING PLATE TO BRACKET (,1,1 required per assembly)
STUD              O NLA  
16-20550 STUD O NLA
(more info)
    UnavailableUnavailable Parts
#28 11-20184 NUT, BRACKET MOUNTING STUD (STARBOARD) (,2,2 required per assembly)
NUT (1/4-28X7/32) 11-20184 11-20184
11-20184OEM Part 11-20184 - Nut - Priced Individually (more info) About Mercury Marine $1.30 $1.30 Add to shopping cart
2 in stock. Explain stock levels
#29 12-20346 WASHER, COWL MOUNTING STUD (,2,2 required per assembly)
1269057 12-20346  
12-20346OEM Part 12-20346 - Washer Note: Must be ordered in multiples of 15 (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
10+ in stock. Explain stock levels
WASHER (.281 x .7 12-69057  
12-69057OEM Part 12-69057 - Washer (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
2 in stock. Explain stock levels
#30 11-20361 NUT, COWL MOUNTING STUD (,2,2 required per assembly)
118267089 11-20361 11-20361
11-20361OEM Part 11-20361 - Nut Note: Must be ordered in multiples of 5 (more info) About Mercury Marine $0.60 $0.60 Add to shopping cart
10+ in stock. Explain stock levels
NUT (.250-28) 11-826708  9 11-826708 9
11-826708 9OEM Part 11-826708 9 - Nut - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
7 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
#33 20573A 1 FRONT PORT BRACKET ASSEMBLY (,1,1 required per assembly)
Bracket Asy,NLA 20573A 1  
20573A 1OEM Part 20573A 1 - Bracket Assembly, NLA (more info) About Mercury Marine $5.50 $5.50 Add to shopping cart
9 in stock. Explain stock levels
#35 12-20546 WASHER, CYLINDER BLOCK TO CRANKCASE STUD (6,6,6 required per assembly)
WASHER Note: must be ordered in multiples of 5 12-20546  
12-20546OEM Part 12-20546 - Washer - Priced Individually (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#36 11-20083 NUT, CYLINDER BLOCK TO CRANKCASE STUD (6,6,6 required per assembly)
1122053 11-20083  
11-20083OEM Part 11-20083 - Nut - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
NUT (.312-24) 11-22053 11-22053
11-22053OEM Part 11-22053 - Nut - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#37 20038 COVER, PRESSURE VALVE (,1,1 required per assembly)
COVER             O - Replaced by -25833  
20038This part has been superseded. COVER O - Replaced by -25833
(more info)
    UnavailableUnavailable Parts
COVER             O NLA  
25833 COVER O NLA
(more info)
    UnavailableUnavailable Parts
#-- 23112 COVER, PRESSURE VALVE (,,1 required per assembly)
25833OVER 23112  
23112OEM Part 23112 - Cover (more info) About Mercury Marine $0.95 $0.95 Add to shopping cart
5 in stock. Explain stock levels
#-- 23111 CHECK VALVE AND CONNECTOR, AIR LINE (1,1, required per assembly)
CONNECTOR         O NLA  
23111 CONNECTOR O NLA
(more info)

Replaces OEM #3854402
    UnavailableUnavailable Parts
#-- 32-23024 AIR LINE, PRESSURE RELIEF (,,1 required per assembly)
HOSE              O - Replaced by 32-32840A 1  
32-23024This part has been superseded. HOSE O - Replaced by 32-32840A 1
(more info)
    UnavailableUnavailable Parts
HOSE ASSY         O - Replaced by 32-52742A 1  
32-32840A 1This part has been superseded. HOSE ASSY O - Replaced by 32-52742A 1
(more info)
    UnavailableUnavailable Parts
322698088 32-52742A 1  
32-52742A 1OEM Part 32-52742A 1 - Hose Assembly (more info) About Mercury Marine $9.60 $9.60 Add to shopping cart
1 in stock. Explain stock levels
HOSE              O - Replaced by 32-99126 88  
32-26980 88This part has been superseded. HOSE O - Replaced by 32-99126 88
(more info)
    UnavailableUnavailable Parts
TUBING (36.00 Inc 32-99126 88 32-99126 88
32-99126 88OEM Part 32-99126 88 - Tubing - 36 Inch (more info) About Mercury Marine $25.00 $21.41 Add to shopping cart
9 in stock. Explain stock levels
#38 10-20041 SCREW, PRESSURE VALVE COVER TO CRANKCASE (,3,3 required per assembly)
SCREW,NLA 10-20041  
10-20041OEM Part 10-20041 - Screw, NLA (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels
#39 13-26996 LOCKWASHER, PRESSURE VAVLE COVER SCREW (,3,3 required per assembly)
LOCKWASHER (#10) 13-26996  
13-26996OEM Part 13-26996 - LockWasher - Priced Individually (more info) About Mercury Marine $0.84 $0.84 Add to shopping cart
10+ in stock. Explain stock levels
#40 27-20039 GASKET, PRESSURE VALVE COVER TO CRANKCASE (,1,1 required per assembly)
Gasket,NLA 27-20039  
27-20039OEM Part 27-20039 - Gasket (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
10+ in stock. Explain stock levels
#41 34-20035 REED, PRESSURE VALVE (,1,1 required per assembly)
REED ,NLA 34-20035  
34-20035OEM Part 34-20035 - Reed, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
#42 34-20036 STOP, REDD (,1,1 required per assembly)
REED STOP         O NLA  
34-20036 REED STOP O NLA
(more info)
    UnavailableUnavailable Parts
#43 10-20037 SCREW, REED STOP (,2,2 required per assembly)
1043725 10-20037  
10-20037OEM Part 10-20037 - Screw - Priced Individually (more info) About Mercury Marine $0.35 $0.35 Add to shopping cart
10+ in stock. Explain stock levels
SCREW (#6-32 x .3 10-43725 10-43725
10-43725OEM Part 10-43725 - Screw (more info) About Mercury Marine $1.30 $1.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#44 32-20476 AIR LINE, PRESSURE VALVE COVER TO RECEPTACLE (,1,1 required per assembly)
AIR LINE          O - Replaced by 32-49471  
32-20476This part has been superseded. AIR LINE O - Replaced by 32-49471
(more info)
    UnavailableUnavailable Parts
FUEL LINE,NLA 32-49471  
32-49471OEM Part 32-49471 - Fuel Line, NLA (more info) About Mercury Marine $9.50 $9.50 Add to shopping cart
2 in stock. Explain stock levels
#45 24-20477 SPRING, AIR LINE (,1,1 required per assembly)
SPRING,NLA 24-20477  
24-20477OEM Part 24-20477 - Spring, NLA (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
4 in stock. Explain stock levels
#-- 54-22976 CLAMP, HOSE (,2,2 required per assembly)
CLAMP,NLA 54-22976  
54-22976OEM Part 54-22976 - Clamp, NLA (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels