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Parts for Mercury Mariner Racing Mercury Mariner 2.5L (Carburetor) Crankshaft, Pistons & Connecting Rods

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 455-7251A 7 CRANKSHAFT ASSEMBLY (1 required per assembly)
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455-7251A 7This part has been superseded.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455-7251A 8This part has been superseded.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455-7251A 9This part has been superseded.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
#2 30-41421 BALL BEARING (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30-41421This part has been superseded.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 (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 (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 (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 1 RING (.124 THICK) (7 required per assembly)
RING @2           O - Replaced by 39-67377  2  
39-67377 1This part has been superseded. RING @2 O - Replaced by 39-67377 2
(more info)
    UnavailableUnavailable Parts
39673773 39-67377  2  
39-67377 2OEM Part 39-67377 2 - Ring (more info) About Mercury Marine $8.70 $8.70 Add to shopping cart
1 in stock. Explain stock levels
RING              O - Replaced by 39-8M0072093  
39-67377 3This part has been superseded. RING O - Replaced by 39-8M0072093
(more info)
    UnavailableUnavailable Parts
RING 39-8M0072093  
398M0072093OEM Part 398M0072093 - Ring (more info) About Mercury Marine $39.10 $39.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 31-16756A 5 ROLLER BEARING (2 required per assembly)
BEARING           O - Replaced by 31-16756A 8  
31-16756A 5This part has been superseded. BEARING O - Replaced by 31-16756A 8
(more info)
    UnavailableUnavailable Parts
3116756T8 31-16756A 8  
31-16756A 8OEM Part 31-16756A 8 - Bearing Assembly (more info) About Mercury Marine $49.50 $49.50 Add to shopping cart
2 in stock. Explain stock levels
BEARING Center Ma 31-16756T 8 31-16756T 8
31-16756T 8OEM Part 31-16756T 8 - Bearing Assembly (more info) About Mercury Marine $69.71 $69.71 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 766-817037A 3 PISTON ASSEMBLY (STARBOARD) -2 BOLT MAIN (3 required per assembly)
PISTON ASY-STBD   O - Replaced by 766-848065A 2  
766-817037A 3This part has been superseded. PISTON ASY-STBD O - Replaced by 766-848065A 2
(more info)
    UnavailableUnavailable Parts
PISTON ASSY STBD. O - Replaced by 766-848065A 3  
766-848065A 2This part has been superseded. PISTON ASSY STBD. O - Replaced by 766-848065A 3
(more info)
    UnavailableUnavailable Parts
PISTON ASSY-STBD  O - Replaced by 2717-827352A 6  
766-848065A 3This part has been superseded. PISTON ASSY-STBD O - Replaced by 2717-827352A 6
(more info)
    UnavailableUnavailable Parts
PISTON ASSY-STBD  O - Replaced by 2717-827352T 6  
2717-827352A 6This part has been superseded. PISTON ASSY-STBD O - Replaced by 2717-827352T 6
(more info)
    UnavailableUnavailable Parts
PISTON ASSY-STBD 2717-827352T 6  
2717-827352T 6OEM Part 2717-827352T 6 - Piston Assembly - Stbd (more info) About Mercury Marine $388.69 $388.69 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 766-817036A 3 PISTON ASSEMBLY (PORT) -2 BOLT MAIN (3 required per assembly)
PISTON ASY-PORT   O - Replaced by 766-848064A 2  
766-817036A 3This part has been superseded. PISTON ASY-PORT O - Replaced by 766-848064A 2
(more info)
    UnavailableUnavailable Parts
PISTON ASSY PORT  O - Replaced by 766-848064A 3  
766-848064A 2This part has been superseded. PISTON ASSY PORT O - Replaced by 766-848064A 3
(more info)
    UnavailableUnavailable Parts
PISTON ASSY-PORT  O - Replaced by 2717-827353A 6  
766-848064A 3This part has been superseded. PISTON ASSY-PORT O - Replaced by 2717-827353A 6
(more info)
    UnavailableUnavailable Parts
PISTON ASSY-PORT  O - Replaced by 2717-827353T 6  
2717-827353A 6This part has been superseded. PISTON ASSY-PORT O - Replaced by 2717-827353T 6
(more info)
    UnavailableUnavailable Parts
PISTON ASSY-PORT 2717-827353T 6 2717-827353T 6
2717-827353T 6OEM Part 2717-827353T 6 - Piston Assembly - Port (more info) About Mercury Marine $388.69 $388.69 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 39-817038A 1 PISTON RING ASSEMBLY -2 BOLT MAIN (1 required per assembly)
PIST.RING 12 PCS. O - Replaced by 39-848201A12  
39-817038A 1This part has been superseded. PIST.RING 12 PCS. O - Replaced by 39-848201A12
(more info)
    UnavailableUnavailable Parts
RING SET          O - Replaced by 39-840663A12  
39-848201A12This part has been superseded. RING SET O - Replaced by 39-840663A12
(more info)
    UnavailableUnavailable Parts
RING SET Piston 39-840663A12 39-840663A12
39-840663A12OEM Part 39-840663A12 - Rings (more info) About Mercury Marine $546.25 $546.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 40-17977 LOCK RING -2 BOLT MAIN (12 required per assembly)
LOCK RING         O - Replaced by 40-52035  
40-17977This part has been superseded. LOCK RING O - Replaced by 40-52035
(more info)
    UnavailableUnavailable Parts
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
#9 766-847608A 3 PISTON ASSEMBLY (STARBOARD) -4 BOLT MAIN (3 required per assembly)
STBD PISTON ASSY  O - Replaced by 766-847608A 4  
766-847608A 3This part has been superseded. STBD PISTON ASSY O - Replaced by 766-847608A 4
(more info)
    UnavailableUnavailable Parts
PISTON ASSY-STBD  O - Replaced by 2717-827352A 6  
766-847608A 4This part has been superseded. PISTON ASSY-STBD O - Replaced by 2717-827352A 6
(more info)
    UnavailableUnavailable Parts
#9 766-847607A 3 PISTON ASSEMBLY (PORT) -4 BOLT MAIN (3 required per assembly)
PORT PISTON ASSY  O - Replaced by 766-847607A 4  
766-847607A 3This part has been superseded. PORT PISTON ASSY O - Replaced by 766-847607A 4
(more info)
    UnavailableUnavailable Parts
PISTON ASSY-PORT  O - Replaced by 2717-827353A 6  
766-847607A 4This part has been superseded. PISTON ASSY-PORT O - Replaced by 2717-827353A 6
(more info)
    UnavailableUnavailable Parts
#12 625-813865A 2 CONNECTING ROD ASSEMBLY (2 BOLT MAIN) (6 required per assembly)
CONN ROD KIT      O NLA  
625-813865A 2 CONN ROD KIT O NLA
(more info)
    UnavailableUnavailable Parts
#12 625-847522A 2 CONNECTING ROD ASSEMBLY (4 BOLT MAIN) (6 required per assembly)
CONNECTING ROD    O NLA  
625-847522A 2 CONNECTING ROD O NLA
(more info)
    UnavailableUnavailable Parts
#13 10-91995 SCREW (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
#14 12-847524 WASHER (4-BOLT MAIN) (12 required per assembly)
WASHER 12-847524  
12-847524OEM Part 12-847524 - Washer (more info) About Mercury Marine $21.58 $21.58 Add to shopping cart
10+ in stock. Explain stock levels
#14 12-47247 WASHER (2-BOLT MAIN) (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
#15 31-821146A 1 ROLLER BEARING (6 required per assembly)
BEARING ASSY      O - Replaced by 31-17514A 1  
31-821146A 1This part has been superseded. BEARING ASSY O - Replaced by 31-17514A 1
(more info)
    UnavailableUnavailable Parts
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
#16 29-67483 NEEDLE BEARING (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