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Parts for Mercury Mark & Kiekhaefer Mark 75A - 60 HP, 78, 78A - 70 HP Crankshaft, Piston & Connecting Rod Assembly

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 414-1188 CRANKSHAFT (SEE NOTE #1) (1,1,1 required per assembly)
CRANKSHAFT        O - Replaced by 414-1735  
414-1188This part has been superseded. CRANKSHAFT O - Replaced by 414-1735
(more info)
    UnavailableUnavailable Parts
CRANKSHAFT        O NLA  
414-1735 CRANKSHAFT O NLA
(more info)
    UnavailableUnavailable Parts
#2 -20043 OILER, FELT - DRIVE SHAFT SPLINE (1,1,1 required per assembly)
OILER,NLA 20043  
20043OEM Part 20043 - Oiler, NLA (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels
#3 28-20094 KEY, FLYWHEEL DRIVE (1,1,1 required per assembly)
KEY Woodruff 28-20094  
28-20094OEM Part 28-20094 - Key - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
10+ in stock. Explain stock levels
#4 521-1191A 2 CENTER MAIN BEARING ASS'Y (2,, required per assembly)
C/M BEARING       O NLA  
521-1191A 2 C/M BEARING O NLA
(more info)
    UnavailableUnavailable Parts
#4 521-1490A 1 CENTER MAIN BEARING ASS'Y (2,2,2 required per assembly)
C/M BEARING,NLA 521-1490A 1  
521-1490A 1OEM Part 521-1490A 1 - C/M Bearing, NLA (more info) About Mercury Marine $70.00 $70.00 Add to shopping cart
2 in stock. Explain stock levels
#5 17-20032 DOWEL PIN, CENTER MAIN BEARING (4,4,4 required per assembly)
PIN Dowel 17-20032  
17-20032OEM Part 17-20032 - Pin -Dowel - Priced Individually (more info) About Mercury Marine $2.90 $2.90 Add to shopping cart
10+ in stock. Explain stock levels
#6 29-26114 BEARING, NEEDLE - OUTER RACE (112,112,11 required per assembly)
NEEDLE BRG @200   O - Replaced by 29-48410  
29-26114This part has been superseded. NEEDLE BRG @200 O - Replaced by 29-48410
(more info)
    UnavailableUnavailable Parts
NEEDLE BRG @200   O - Replaced by 29-52168  
29-48410This part has been superseded. NEEDLE BRG @200 O - Replaced by 29-52168
(more info)
    UnavailableUnavailable Parts
2971422 29-52168 29-52168
29-52168OEM Part 29-52168 - Needle Bearing - Priced Individually (more info) About Mercury Marine $0.30 $0.30 Add to shopping cart
10+ in stock. Explain stock levels
29714221   PRICED EACH"" 29-71422 29-71422
29-71422OEM Part 29-71422 - Needle Bearing - Priced Individually (more info) About Mercury Marine $0.35 $0.35 Add to shopping cart
10+ in stock. Explain stock levels
BEARING 29-71422  1 29-71422 1
29-71422 1OEM Part 29-71422 1 - Needle Bearing - Priced Individually (more info) About Mercury Marine $0.66 $0.39 Add to shopping cart
10+ in stock. Explain stock levels
#7 -26113 RACE, OUTER (PAIR) (2,2,2 required per assembly)
RACE-CENTER MAIN  O - Replaced by -26113T 26113
26113This part has been superseded. RACE-CENTER MAIN O - Replaced by -26113T
(more info)
    UnavailableUnavailable Parts
RACE-CENTER MAIN 26113T  
26113TOEM Part 26113T - Race - Center Main (more info) About Mercury Marine $113.50 $113.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 53-26933 RING, SNAP - OUTER RACE (2,2,2 required per assembly)
RING-SNAP,NLA 53-26933  
53-26933OEM Part 53-26933 - Ring -snap, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
10+ in stock. Explain stock levels
#9 17-27732 DOWEL PIN, STEPPED (2,2,2 required per assembly)
PIN               O NLA  
17-27732 PIN O NLA
(more info)
    UnavailableUnavailable Parts
#10 10-22968 SCREW, CENTER MAIN BEARING CLAMPING (4,4,4 required per assembly)
SCREW,NLA 10-22968  
10-22968OEM Part 10-22968 - Screw, NLA (more info) About Mercury Marine $1.35 $1.35 Add to shopping cart
10+ in stock. Explain stock levels
#11 11-20184 NUT, CENTER MAIN BEARING CLAMPING SCREW (4,4,4 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
#12 520-1164A 2 MAIN BEARING ASSEMBLY, VALVE TYPE (3,3,3 required per assembly)
MAIN BEARING      O - Replaced by 527-1999A 2  
520-1164A 2This part has been superseded. MAIN BEARING O - Replaced by 527-1999A 2
(more info)
    UnavailableUnavailable Parts
MAIN BEARIN,NLA 527-1999A 2  
527-1999A 2OEM Part 527-1999A 2 - Main Bearing, NLA (more info) About Mercury Marine $36.00 $36.00 Add to shopping cart
4 in stock. Explain stock levels
#14 10-20049 SCREW, MAIN BEARING CLAMPING (6,6,6 required per assembly)
SCREW @10         O - Replaced by 10-22654  
10-20049This part has been superseded. SCREW @10 O - Replaced by 10-22654
(more info)
    UnavailableUnavailable Parts
SCREW,NLA 10-22654  
10-22654OEM Part 10-22654 - Screw, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
#15 34-20888A 1 REED SET, MATCHED - MAIN BEARING (3,3,3 required per assembly)
3456704A1 34-20888A 1  
34-20888A 1OEM Part 34-20888A 1 - REED SET (more info) About Mercury Marine $29.95 $29.95 Add to shopping cart
5 in stock. Explain stock levels
REED SET @2       O - Replaced by 34-88498A 1  
34-56704A 1This part has been superseded. REED SET @2 O - Replaced by 34-88498A 1
(more info)
    UnavailableUnavailable Parts
REED SET 34-88498A 1 34-88498A 1
34-88498A 1OEM Part 34-88498A 1 - Reed Kit - 6 Reeds Only as shown (more info) About Mercury Marine $72.08 $72.08 Add to shopping cart
1 in stock. Explain stock levels
#16 34-20053 REED STOP, MAIN BEARING REED VALVE (12,12,12 required per assembly)
REED STOP,NLA 34-20053 34-20053
34-20053OEM Part 34-20053 - Reed Stop, NLA (more info) About Mercury Marine $6.25 $6.25 Add to shopping cart
10+ in stock. Explain stock levels
#17 12-26014 WASHER, REED STOP MOUNTING SCREW (12,12,12 required per assembly)
WASHER,NLA 12-26014  
12-26014OEM Part 12-26014 - Washer, NLA (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
10+ in stock. Explain stock levels
#18 10-20055 SCREW, REED STOP MOUNTING (12,12,12 required per assembly)
SCREW,NLA 10-20055  
10-20055OEM Part 10-20055 - Screw, NLA (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#19 724-1631A 2 PISTON AND PISTON PIN ASSEMBLY (6,6,6 required per assembly)
PISTON            O - Replaced by 724-2537A 4  
724-1631A 2This part has been superseded. PISTON O - Replaced by 724-2537A 4
(more info)
    UnavailableUnavailable Parts
7242537A2 724-2537A 4  
724-2537A 4OEM Part 724-2537A 4 - Piston (more info) About Mercury Marine $80.00 $80.00 Add to shopping cart
2 in stock. Explain stock levels
PISTON ASSY,NLA 724-2537A 2  
724-2537A 2OEM Part 724-2537A 2 - Piston Assembly, NLA (more info) About Mercury Marine $80.00 $80.00 Add to shopping cart
8 in stock. Explain stock levels
#20 40-20057 LOCK RING, PISTON PIN (12,12,12 required per assembly)
LOCK RING   Note: must be ordered in multiples of 2,NLA 40-20057  
40-20057OEM Part 40-20057 - Lock Ring - Priced Individually, NLA (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
10+ in stock. Explain stock levels
#21 39-27841 RING, PISTON (18,18,18 required per assembly)
RING-PISTON-STD   O - Replaced by 39-27841A12  
39-27841This part has been superseded. RING-PISTON-STD O - Replaced by 39-27841A12
(more info)
    UnavailableUnavailable Parts
RING SET Piston - 39-27841A12 39-27841A12
39-27841A12OEM Part 39-27841A12 - Rings - Standard (more info) About Mercury Marine $81.90 $70.13 Add to shopping cart
3 in stock. Explain stock levels
#22 600-7A 4 CONNECTING ROD AND CAP ASSEMBLY (SEE NOTE #2 ) (6,6,6 required per assembly)
CONNECTING ROD    O - Replaced by 600-2748A 2  
600-7A 4This part has been superseded. CONNECTING ROD O - Replaced by 600-2748A 2
(more info)
    UnavailableUnavailable Parts
CONNECTING ROD,NLA 600-2748A 2  
600-2748A 2OEM Part 600-2748A 2 - Connecting Rod, NLA (more info) About Mercury Marine $80.00 $80.00 Add to shopping cart
3 in stock. Explain stock levels
#23 10-20060 SCREW, CONNECTING ROD (12,12,12 required per assembly)
1045379 10-20060  
10-20060OEM Part 10-20060 - Screw - Priced Individually (more info) About Mercury Marine $3.15 $3.15 Add to shopping cart
10+ in stock. Explain stock levels
SCREW,NLA 10-45379  
10-45379OEM Part 10-45379 - Screw, NLA (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10 in stock. Explain stock levels
#24 11-20061 NUT, CONNECTING ROD SCREW (12,12,12 required per assembly)
NUT,NLA 11-20061 11-20061
11-20061OEM Part 11-20061 - Nut, NLA (more info) About Mercury Marine $1.75 $1.75 Add to shopping cart
10+ in stock. Explain stock levels
#25 29-20046 BEARING, NEEDLE - CRANKPIN (150,150,15 required per assembly)
NEEDLE BRG @200   O - Replaced by 29-20046T  
29-20046This part has been superseded. NEEDLE BRG @200 O - Replaced by 29-20046T
(more info)
    UnavailableUnavailable Parts
BRG-NEEDLE 29-20046T 29-20046T
29-20046TOEM Part 29-20046T - Needle - Priced Individually (more info) About Mercury Marine $1.05 $1.05 Add to shopping cart
10+ in stock. Explain stock levels
#26 29-20063 BEARING, NEEDLE - PISTON PIN (132,132,13 required per assembly)
BEARING Needle 29-20063 29-20063
29-20063OEM Part 29-20063 - Needle - Priced Individually (more info) About Mercury Marine $0.35 $0.26 Add to shopping cart
10+ in stock. Explain stock levels
#27 12-28121 WASHER, NEEDLE LOCATING (12,12,12 required per assembly)
WASHER,NLA 12-28121  
12-28121OEM Part 12-28121 - Washer, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
10+ in stock. Explain stock levels
#-- 724-1663A 1 PISTON AND PISTON PIN ASSEMBLY (.015 OVERSIZE) (6,6,6 required per assembly)
PISTON            O - Replaced by 724-2553A 3  
724-1663A 1This part has been superseded. PISTON O - Replaced by 724-2553A 3
(more info)
    UnavailableUnavailable Parts
PISTON            O - Replaced by 724-2553A 2  
724-2553A 3This part has been superseded. PISTON O - Replaced by 724-2553A 2
(more info)
    UnavailableUnavailable Parts
PISTON            O NLA 724-2553A 2
724-2553A 2 PISTON O NLA
(more info)
    UnavailableUnavailable Parts
#-- 39-28616 RINGS, PISTON (.015 OVERSIZE) (18,18,18 required per assembly)
PISTON RING       O - Replaced by 39-28616A12  
39-28616This part has been superseded. PISTON RING O - Replaced by 39-28616A12
(more info)
    UnavailableUnavailable Parts
RING SET Piston 39-28616A12 39-28616A12
39-28616A12OEM Part 39-28616A12 - Rings - .015 (more info) About Mercury Marine $81.00 $81.00 Add to shopping cart
5 in stock. Explain stock levels