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Parts for Mercury Mariner Racing Mercury Formula I (2L EFI) Crankshaft, Pistons & Connecting Rods

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 455-8280A 1 CRANKSHAFT ASSEMBLY (WEIGHTED) (1 required per assembly)
CRANKSHAFT        O - Replaced by 455-7251A 7  
455-8280A 1This part has been superseded. CRANKSHAFT O - Replaced by 455-7251A 7
(more info)
    UnavailableUnavailable Parts
CRANKSHAFT        O - Replaced by 455-7251A 8  
455-7251A 7This part has been superseded. CRANKSHAFT O - Replaced by 455-7251A 8
(more info)
    UnavailableUnavailable Parts
CRANKSHAFT        O - Replaced by 455-7251A 9  
455-7251A 8This part has been superseded. CRANKSHAFT O - Replaced by 455-7251A 9
(more info)
    UnavailableUnavailable Parts
CRANKSHAFT        O - Replaced by 455-7251T 9  
455-7251A 9This part has been superseded. CRANKSHAFT O - Replaced by 455-7251T 9
(more info)
    UnavailableUnavailable Parts
CRANKSHAFT 455-7251T 9  
455-7251T 9OEM Part 455-7251T 9 - Crankshaft (more info) About Mercury Marine $2,430.02 $2,430.02 Add to shopping cart
Available to order:
Usually ships
within 8 days
#1 455-7251A 7 CRANKSHAFT ASSEMBLY (STANDARD) (1 required per assembly)
#2 30-41421 BALL BEARING , CRANKSHAFT (LOWER) (1 required per assembly)
BALL BEARING      O - Replaced by 30-67923  
30-41421This part has been superseded. BALL BEARING O - Replaced by 30-67923
(more info)
    UnavailableUnavailable Parts
3067923T 30-67923 30-67923
30-67923OEM Part 30-67923 - Ball Bearing (more info) About Mercury Marine $50.00 $50.00 Add to shopping cart
3 in stock. Explain stock levels
BEARING Ball 30-67923T 30-67923T
30-67923TOEM Part 30-67923T - Ball Bearing (more info) About Mercury Marine $79.08 $79.08 Add to shopping cart
2 in stock. Explain stock levels
Ball Bearing 18-1345
18-1345OEM Match 18-1345 - Bearing, 30-67923T - Special Order - No Returns (more info) About Sierra Marine $156.49 $132.86 Add to shopping cart
In stock - special order item. Explain stock levels
#3 53-67446 RETAINING RING, BALL BEARING (1 required per assembly)
RING 53-67446  
53-67446OEM Part 53-67446 - Ring - Retaining (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 54196A 6 CARRIER ASSEMBLY, SEAL (1 required per assembly)
CARRIER ASSEMBLY 54196A 6 54196A 6
54196A 6OEM Part 54196A 6 - Carrier Assembly (more info) About Mercury Marine $17.60 $15.07 Add to shopping cart
4 in stock. Explain stock levels
#5 65800 SEAL, CARRIER (1 required per assembly)
PACKING 65800 65800
65800OEM Part 65800 - Packing (more info) About Mercury Marine $3.10 $3.10 Add to shopping cart
10+ in stock. Explain stock levels
#6 39-67377 RING, SEALING - CRANKSHAFT (.124 THICK) (9 required per assembly)
RING-SEAL @9      O - Replaced by 39-67377T  
39-67377This part has been superseded. RING-SEAL @9 O - Replaced by 39-67377T
(more info)
    UnavailableUnavailable Parts
RING Sealing 39-67377T 39-67377T
39-67377TOEM Part 39-67377T - Seal Ring - Priced Individually (more info) About Mercury Marine $11.20 $11.20 Add to shopping cart
10+ in stock. Explain stock levels
#7 31-88903 BEARING RACE, CRANKSHAFT (2 required per assembly)
BEARING           O - Replaced by 31-88903T 31-88903
31-88903This part has been superseded. BEARING O - Replaced by 31-88903T
(more info)
    UnavailableUnavailable Parts
BEARING,NLA 31-88903T 31-88903T
31-88903TOEM Part 31-88903T - Bearing, NLA (more info) About Mercury Marine $50.00 $50.00 Add to shopping cart
10+ in stock. Explain stock levels
#8 53-67444 RETAINING RING, BEARING RACE (2 required per assembly)
RETAINING RING,NLA 53-67444  
53-67444OEM Part 53-67444 - Retaining Ring, NLA (more info) About Mercury Marine $7.50 $7.50 Add to shopping cart
10+ in stock. Explain stock levels
#9 31-67445 ROLLER BEARING, RACE (2 required per assembly)
BEARING Roller 31-67445 31-67445
31-67445OEM Part 31-67445 - Bearing Set (more info) About Mercury Marine $23.33 $23.33 Add to shopping cart
1 in stock. Explain stock levels
#10 765-8685A 4 PISTON ASSEMBLY (STARBOARD) (3 required per assembly)
PISTON STBD FI    O NLA  
765-8685A 4 PISTON STBD FI O NLA
(more info)
    UnavailableUnavailable Parts
#10 765-8684A 4 PISTON ASSEMBLY (PORT) (3 required per assembly)
PISTON PORT FI    O NLA  
765-8684A 4 PISTON PORT FI O NLA
(more info)
    UnavailableUnavailable Parts
#11 39-99283A12 PISTON RING ASSEMBLY (1 required per assembly)
PISTON RING SET   O NLA  
39-99283A12 PISTON RING SET O NLA
(more info)
    UnavailableUnavailable Parts
#12 40-52035 LOCK RING, PISTON (12 required per assembly)
53857196 40-52035 40-52035
40-52035OEM Part 40-52035 - Lock Ring - Priced Individually (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
LOCK RING 53-857196 53-857196
53-857196OEM Part 53-857196 - Lock Ring - Priced Individually (more info) About Mercury Marine $2.30 $1.56 Add to shopping cart
2 in stock. Explain stock levels
Circlips (2/PKG) 18-4294-9
18-4294-9OEM Match 18-4294-9 - Clips, PK2 (more info) About Sierra Marine $4.98 $3.49 Add to shopping cart
1 in stock. Explain stock levels
#13 625-7209A 6 CONNECTING ROD ASSEMBLY (6 required per assembly)
CONNECTING ROD    O - Replaced by 636-8119A 5  
625-7209A 6This part has been superseded. CONNECTING ROD O - Replaced by 636-8119A 5
(more info)
    UnavailableUnavailable Parts
6368119A6 636-8119A 5  
636-8119A 5OEM Part 636-8119A 5 - Connecting Rod (more info) About Mercury Marine $165.00 $165.00 Add to shopping cart
2 in stock. Explain stock levels
CONN ROD KIT 636-8119A 6  
636-8119A 6OEM Part 636-8119A 6 - Connecting Rod Kit (more info) About Mercury Marine $327.17 $327.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 10-91995 SCREW, CONNECTING ROD (12 required per assembly)
SCREW 10-91995 10-91995
10-91995OEM Part 10-91995 - Screw (more info) About Mercury Marine $20.96 $20.96 Add to shopping cart
1 in stock. Explain stock levels
#15 12-47247 WASHER, NEEDLE LOCATING (12 required per assembly)
128M0032839 12-47247  
12-47247OEM Part 12-47247 - Washer - Priced Individually (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
6 in stock. Explain stock levels
WASHER Note: must be ordered in multiples of 5 12-8M0032839  
12-8M0032839OEM Part 12-8M0032839 - Washer - Priced Individually (more info) About Mercury Marine $7.90 $7.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 31-67526A 1 ROLLER BEARING ASSEMBLY (6 required per assembly)
3117514A1 31-67526A 1  
31-67526A 1OEM Part 31-67526A 1 - Bearing - Priced Individually (more info) About Mercury Marine $15.70 $15.70 Add to shopping cart
3 in stock. Explain stock levels
BEARING KIT       O - Replaced by 31-8M0045428 31-17514A 1
31-17514A 1This part has been superseded. BEARING KIT O - Replaced by 31-8M0045428
(more info)
    UnavailableUnavailable Parts
BEARING KIT 31-8M0045428 31-8M0045428
31-8M0045428OEM Part 31-8M0045428 - Bearing Kit (more info) About Mercury Marine $53.90 $46.16 Add to shopping cart
3 in stock. Explain stock levels
Needle Bearing Set (W/O Cag 18-4039
18-4039OEM Match 18-4039 - Needle Bearings, Without Cage (more info) About Sierra Marine $43.73 $34.18 Add to shopping cart
Available to order:
Usually ships
within 8 days
Rod Bearing w/cage 18-1194
18-1194OEM Match 18-1194 - Rod Bearing w/ Cage (more info) About Sierra Marine $57.62 $38.08 Add to shopping cart
2 in stock. Explain stock levels
#17 29-67483 NEEDLE BEARING, PISTON END (174 required per assembly)
BEARING Needle 29-67483 29-67483
29-67483OEM Part 29-67483 - Needle Bearing - Priced Individually (more info) About Mercury Marine $0.34 $0.34 Add to shopping cart
Available to order:
Usually ships
within 8 days