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Parts for MerCruiser 7.4L Bravo GM 454 V-8 1988-1991 Crankshaft, Pistons & Connecting Rods

#1 737-6523 PISTON ASSEMBLY (STANDARD) (8 required per assembly)
737-6523 - PISTON ASSEMBLY   O - Replaced by 737-879194035
 

This part has been superseded.

737-6523 - 737-6523 - PISTON ASSEMBLY O [ More info ]
Unavailable
Replaced by 737-879194035
737-879194035 - PISTON            O NLA
 

About Mercury Marine

OEM Part

737-879194035 - PISTON O NLA [ More info ]
Unavailable
#1 737-6615 PISTON ASSEMBLY (.030 O.S.) (AR required per assembly)
73766151 737-6615
 

About Mercury Marine

OEM Part

737-6615 - Piston [ More info ]

Add to shopping cart $100.00
10+ in stock. Explain stock levels

737-6615  1 - PISTON            O - Replaced by 737-6615T 1
 

This part has been superseded.

737-6615 1 - 737-6615 1 - PISTON O [ More info ]
Unavailable
Replaced by 737-6615T 1
737-6615T 1 - PISTON-.030       O NLA
737-6615T 1

About Mercury Marine

OEM Part

737-6615T 1 - PISTON-.030 O NLA [ More info ]
Unavailable
#2 39-67127 RING SET, Piston - Standard (8 required per assembly)
RING SET Piston - S 39-67127
39-67127

About Mercury Marine

OEM Part

39-67127 - Rings - Standard [ More info ]

Add to shopping cart $49.00 $39.69
10+ in stock. Explain stock levels

Piston Rings Std
18-3940

About Sierra Marine

OEM Match

18-3940 - Rings, 39-67927 [ More info ]

Add to shopping cart $52.74 $42.19
5 in stock. Explain stock levels

#2 39-67128 RING SET, Piston - .030 Oversize (AR required per assembly)
RING SET-2-.030,NLA 39-67128
39-67128

About Mercury Marine

OEM Part

39-67128 - Rings - 2-.030, NLA [ More info ]

Add to shopping cart $25.00
10+ in stock. Explain stock levels

#3/4 23-818473 BEARING SET, Main - Standard (1 required per assembly)
23-818473 - BEARING SET Main  O - Replaced by 23-818473001
23-818473

This part has been superseded.

23-818473 - 23-818473 - BEARING SET Main O [ More info ]
Unavailable
Replaced by 23-818473001
BEARING SET-STD 23-818473001
23-818473001

About Mercury Marine

OEM Part

23-818473001 - Bearing Set - Std [ More info ]

Add to shopping cart $146.83
Available to order: Usually ships within 8 days. Explain stock levels

Std. Main Bearings
18-1315

About Sierra Marine

OEM Match

18-1315 - Main Bearing, 23-818473 [ More info ]

Add to shopping cart $148.49
1 in stock. Explain stock levels

#3/4 23-818474 BEARING SET, Main - .001 Undersize (AR required per assembly)
BEARING SET Main - .001 23-818474
23-818474

About Mercury Marine

OEM Part

23-818474 - Bearing Set - .001 Us [ More info ]

Add to shopping cart $119.33
Available to order: Usually ships within 8 days. Explain stock levels

#3/4 23-818475 BEARING SET, Main - .002 Undersize (AR required per assembly)
BRG SET-.002 US 23-818475
23-818475

About Mercury Marine

OEM Part

23-818475 - Bearing Set - .002 Us [ More info ]

Add to shopping cart $158.30
1 in stock. Explain stock levels

#3/4 23-818476 BEARING SET, Main - .010 Undersize (AR required per assembly)
23-818476 - BEARING SET Main  O - Replaced by 23-818476001
23-818476

This part has been superseded.

23-818476 - 23-818476 - BEARING SET Main O [ More info ]
Unavailable
Replaced by 23-818476001
BEARING SET Main - .010 23-818476001
23-818476001

About Mercury Marine

OEM Part

23-818476001 - Bearing Set - .010 Us [ More info ]

Add to shopping cart $150.84
Available to order: Usually ships within 8 days. Explain stock levels

#3/4 23-818477 BEARING SET, Main - .020 Undersize (AR required per assembly)
BEARING SET Main - .020 23-818477
23-818477

About Mercury Marine

OEM Part

23-818477 - Bearing Set - .020 Us [ More info ]

Add to shopping cart $147.50
Available to order: Usually ships within 8 days. Explain stock levels

Main Bearing
18-1314

About Sierra Marine

OEM Match

18-1314 - .020 Main Bearings - Special Order - No Returns [ More info ]

Add to shopping cart $82.69
In stock - special order item. Explain stock levels

#5 17-35312 PIN, Dowel (1/4 n. Diameter) (1/4" DIA.) (1 required per assembly)
17-35312 - PIN Dowel (1/4 In O - Replaced by 17-843378
 

This part has been superseded.

17-35312 - 17-35312 - PIN Dowel (1/4 In O [ More info ]
Unavailable
Replaced by 17-843378
PIN Dowel 17-843378
 

About Mercury Marine

OEM Part

17-843378 - Pin -Dowel [ More info ]

Add to shopping cart $11.70
1 in stock. Explain stock levels

#6 26-14756 SEAL (1 required per assembly)
26-14756 - SEAL              O - Replaced by 26-8M0062773
26-14756

This part has been superseded.

26-14756 - 26-14756 - SEAL O [ More info ]
Unavailable
Replaced by 26-8M0062773
SEAL 26-8M0062773
 

About Mercury Marine

OEM Part

268M0062773 - Seal [ More info ]

Add to shopping cart $101.33
Available to order: Usually ships within 8 days. Explain stock levels

#7 230-6540 FLYWHEEL (1 required per assembly)
230-6540 - FLYWHEEL          O - Replaced by 200-8M0084209
 

This part has been superseded.

230-6540 - 230-6540 - FLYWHEEL O [ More info ]
Unavailable
Replaced by 200-8M0084209
200-8M0084209 - FLYWHEEL          O NLA
 

About Mercury Marine

OEM Part

200-8M0084209 - FLYWHEEL O NLA [ More info ]
Unavailable
#8 10-49845 SCREW, (.437-20 x 1.00) (6 required per assembly)
10845757 10-49845
 

About Mercury Marine

OEM Part

10-49845 - Screw [ More info ]

Add to shopping cart $2.10
2 in stock. Explain stock levels

SCREW (.437-20 x 1.00) 10-845757
10-845757

About Mercury Marine

OEM Part

10-845757 - Screw [ More info ]

Add to shopping cart $4.20
Available to order: Usually ships within 8 days. Explain stock levels

#9 18643A 2 COUPLING ASSEMBLY (1 required per assembly)
18643A 2 - COUPLING ASSEMBLY O - Replaced by -18643A 7
 

This part has been superseded.

18643A 2 - 18643A 2 - COUPLING ASSEMBLY O [ More info ]
Unavailable
Replaced by -18643A 7
COUPLING 18643A 7
18643A 7

About Mercury Marine

OEM Part

18643A 7 - Coupler Kit [ More info ]

Add to shopping cart $429.41
In stock Explain stock levels

Engine Coupler
18-2175

About Sierra Marine

OEM Match

18-2175 - Coupler 18643A7 [ More info ]

Add to shopping cart $386.93 $298.65
In stock Explain stock levels

#10 26901 BUMPER (OLD DESIGN) (3 required per assembly)
26901 - BUMPER            O - Replaced by -26901  1
26901

This part has been superseded.

26901 - 26901 - BUMPER O [ More info ]
Unavailable
Replaced by -26901 1
BUMPER Rubber 26901  1
26901  1

About Mercury Marine

OEM Part

26901 1 - Bumper [ More info ]

Add to shopping cart $2.70
Available to order: Usually ships within 8 days. Explain stock levels

#10 18644 BUMPER, Rubber (NEW DESIGN) (3 required per assembly)
BUMPER Rubber 18644
18644

About Mercury Marine

OEM Part

18644 - Bumper [ More info ]

Add to shopping cart $2.70
Available to order: Usually ships within 8 days. Explain stock levels

#11 10-14883 SCREW, (.375-16 x 1.12) (3 required per assembly)
SCREW (.375-16 x 1.12) 10-14883
10-14883

About Mercury Marine

OEM Part

10-14883 - Screw [ More info ]

Add to shopping cart $1.40
Available to order: Usually ships within 8 days. Explain stock levels

#12 12-13510 WASHER (3 required per assembly)
WASHER 12-13510
 

About Mercury Marine

OEM Part

12-13510 - Washer [ More info ]

Add to shopping cart $3.10
2 in stock. Explain stock levels

#13 812964A 2 COUPLING ASSEMBLY (Round) (1 required per assembly)
812964A 2 - COUPLING ASSEMBLY O - Replaced by -18311A 2
 

This part has been superseded.

812964A 2 - 812964A 2 - COUPLING ASSEMBLY O [ More info ]
Unavailable
Replaced by -18311A 2
18311A 2 - COUPLING ASSY     O - Replaced by -18311A17
 

This part has been superseded.

18311A 2 - 18311A 2 - COUPLING ASSY O [ More info ]
Unavailable
Replaced by -18311A17
18311A17 - COUPLER ASSEMBLY  O - Replaced by -861523A 9
18311A17

This part has been superseded.

18311A17 - 18311A17 - COUPLER ASSEMBLY O [ More info ]
Unavailable
Replaced by -861523A 9
861523A 9 - COUPLER ASSEMBLY  O - Replaced by -8M0098795
861523A 9

This part has been superseded.

861523A 9 - 861523A 9 - COUPLER ASSEMBLY O [ More info ]
Unavailable
Replaced by -8M0098795
COUPLER ASSEMBLY 8M0098795
8M0098795

About Mercury Marine

OEM Part

8M0098795 - Coupler Assembly [ More info ]

Add to shopping cart $599.92
In stock Explain stock levels

Engine Coupler
18-2412

About Sierra Marine

OEM Match

18-2412 - Coupler, Bravo [ More info ]

Add to shopping cart $537.76 $455.41
3 in stock. Explain stock levels

#14 10-37612 SCREW, (.375-16 x 1.250), Round (6 required per assembly)
SCREW (.375-16 x 1.250) 10-37612
10-37612

About Mercury Marine

OEM Part

10-37612 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.60
5 in stock. Explain stock levels

#15 12-20572 WASHER, (.390 x .750 x .093), Round (6 required per assembly)
WASHER (.390 x .750 x . 12-20572
 

About Mercury Marine

OEM Part

12-20572 - Washer [ More info ]

Add to shopping cart $1.10 $0.62
8 in stock. Explain stock levels

#16 614-3553 CONNECTING ROD (8 required per assembly)
614-3553 - CONNECTING ROD    O
 

About Mercury Marine

OEM Part

614-3553 - CONNECTING ROD O [ More info ]
Unavailable
#17 10-52192 BOLT (16 required per assembly)
BOLT 10-52192
 

About Mercury Marine

OEM Part

10-52192 - Bolt, NLA [ More info ]

Add to shopping cart $11.42 $9.25
10+ in stock. Explain stock levels

#18 11-37493 NUT, (.375-24) (16 required per assembly)
NUT 11-37493
11-37493

About Mercury Marine

OEM Part

11-37493 - Nut [ More info ]

Add to shopping cart $2.00
1 in stock. Explain stock levels

#19 23-85726 BEARING SET, Connecting Rod - Standard (8 required per assembly)
2385726001 23-85726
23-85726

About Mercury Marine

OEM Part

23-85726 - Bearing Set - Std [ More info ]

Add to shopping cart $10.93
1 in stock. Explain stock levels

BEARING SET Conn Rod - 23-85726001
23-85726001

About Mercury Marine

OEM Part

23-85726001 - Bearing Set - Std [ More info ]

Add to shopping cart $20.33
Available to order: Usually ships within 8 days. Explain stock levels

Std. Rod Bearings
18-1334

About Sierra Marine

OEM Match

18-1334 - Rod Bearing, 23-85726 [ More info ]

Add to shopping cart $20.49 $16.12
10+ in stock. Explain stock levels

#19 23-85727 BEARING SET, Connecting Rod - (.001 Undersize) (AR required per assembly)
BEARING SET Connecting 23-85727
23-85727

About Mercury Marine

OEM Part

23-85727 - Bearing Set - .001 Us [ More info ]

Add to shopping cart $19.92
2 in stock. Explain stock levels

#19 23-85728 BEARING SET, Connecting Rod - (.002 Undersize) (AR required per assembly)
BRG SET-.002 US,NLA 23-85728
23-85728

About Mercury Marine

OEM Part

23-85728 - Bearing Set - .002 Us, NLA [ More info ]

Add to shopping cart $9.50
10+ in stock. Explain stock levels

#19 23-85691 BEARING SET, Connecting Rod - (.010 Undersize) (AR required per assembly)
BEARING SET Connecting 23-85691
23-85691

About Mercury Marine

OEM Part

23-85691 - Bearing Set - .010 Us [ More info ]

Add to shopping cart $16.75
Available to order: Usually ships within 8 days. Explain stock levels

Rod Bearing
18-1333

About Sierra Marine

OEM Match

18-1333 - Rod Bearing, 23-85691 - Special Order - No Returns [ More info ]

Add to shopping cart $25.89
In stock - special order item. Explain stock levels

#19 23-85729 BEARING SET, Connecting Rod - (.020 Undersize) (AR required per assembly)
BEARING SET Connecting 23-85729
23-85729

About Mercury Marine

OEM Part

23-85729 - Bearing Set - .020 Us [ More info ]

Add to shopping cart $15.59
Available to order: Usually ships within 8 days. Explain stock levels

#20 429-6612 CRANKSHAFT (1 required per assembly)
CRANKSHAFT,NLA 429-6612
 

About Mercury Marine

OEM Part

429-6612 - CrankShaft, NLA [ More info ]

Add to shopping cart $1,500.00
1 in stock. Explain stock levels

#21 28-34466 KEY (2 required per assembly)
KEY 28-34466
 

About Mercury Marine

OEM Part

28-34466 - Key [ More info ]

Add to shopping cart $2.60
Available to order: Usually ships within 8 days. Explain stock levels