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Parts for MerCruiser Race Engine and Drive 525 EFI Electrical Components (Starter & Alternator)

#1 840935 1 BRACKET, Alternator/Power Steering Mount (1 required per assembly)
840935  1 - BRACKET           O - Replaced by -8M0050829
 

This part has been superseded.

840935 1 - 840935 1 - BRACKET O [ More info ]
Unavailable
Replaced by -8M0050829
BRACKET 8M0050829
 

About Mercury Marine

OEM Part

8M0050829 - Bracket [ More info ]

Add to shopping cart $227.60
Available to order: Usually ships within 8 days. Explain stock levels

#3 10-825427 SCREW, (.437-14 x 1.250) Stainless Steel (1 required per assembly)
SCREW (.437-14 x 1.250) 10-825427
10-825427

About Mercury Marine

OEM Part

10-825427 - Screw [ More info ]

Add to shopping cart $4.90
10+ in stock. Explain stock levels

#5 10-65210 SCREW, (.375-16 x 1.00) (1 required per assembly) - Non Power Steering Models
SCREW (.375-16 x 1.00) 10-65210
10-65210

About Mercury Marine

OEM Part

10-65210 - Screw - Priced Individually [ More info ]

Add to shopping cart $2.00
10+ in stock. Explain stock levels

#7 16-57920 3 STUD, (.437-14/.437-20 x 2.060) (1 required per assembly)
STUD (.437-14/.437-20 x 16-57920  3
 

About Mercury Marine

OEM Part

16-57920 3 - Stud [ More info ]

Add to shopping cart $5.70
4 in stock. Explain stock levels

#10 23-66995 2 SPACER, (.410 x 1.00 x .500) Aluminum - Black (2 required per assembly) - Non Power Steering Models
SPACER (.410 x 1.00 x . 23-66995  2
 

About Mercury Marine

OEM Part

23-66995 2 - Spacer [ More info ]

Add to shopping cart $32.64
Available to order: Usually ships within 8 days. Explain stock levels

#11 849297T02 BRACKET, Idler Pulley (1 required per assembly) - Non Power Steering Models
BRACKET Idler Pulley 849297T02
 

About Mercury Marine

OEM Part

849297T02 - Bracket [ More info ]

Add to shopping cart $108.37
Available to order: Usually ships within 8 days. Explain stock levels

#13 10-841154 SCREW, (.375-16 x 3.375) (2 required per assembly) - Non Power Steering Models
SCREW (.375-16 x 3.375) 10-841154
10-841154

About Mercury Marine

OEM Part

10-841154 - Screw [ More info ]

Add to shopping cart $7.88
Available to order: Usually ships within 8 days. Explain stock levels

#14 849296T PULLEY ASSEMBLY, Idler - Black (1 required per assembly) - Non Power Steering Models
864625T 849296T
849296T

About Mercury Marine

OEM Part

849296T - Pulley [ More info ]

Add to shopping cart $29.82
4 in stock. Explain stock levels

PULLEY 864625T
864625T

About Mercury Marine

OEM Part

864625T - Idler Pulley [ More info ]

Add to shopping cart $42.08
1 in stock. Explain stock levels

#15 10-821301 30 SCREW, (M10 x 30) (1 required per assembly) - Non Power Steering Models
SCREW (M10 x 30) 10-821301 30
10-821301 30

About Mercury Marine

OEM Part

10-821301 30 - Screw [ More info ]

Add to shopping cart $15.70
Available to order: Usually ships within 8 days. Explain stock levels

#16 43-818381 2 PINION STUD, (.437-20) Stainless Steel (1 required per assembly)
43-818381  2 - PINION STUD (.437
43-818381  2

About Mercury Marine

OEM Part

43-818381 2 - PINION STUD (.437 [ More info ]
Unavailable
#17 842443 1 BRACKET, Tensioner (1 required per assembly)
842443  1 - BRACKET           O - Replaced by -8M0050739
 

This part has been superseded.

842443 1 - 842443 1 - BRACKET O [ More info ]
Unavailable
Replaced by -8M0050739
8M0050739 - ORD 8M0065011     O NLA
 

About Mercury Marine

OEM Part

8M0050739 - ORD 8M0065011 O NLA [ More info ]
Unavailable
BRACKET 8M0065011
 

About Mercury Marine

OEM Part

8M0065011 - Bracket [ More info ]

Add to shopping cart $116.98
Available to order: Usually ships within 8 days. Explain stock levels

#19 10-99204 SCREW, (.437-14 x 1.00) Stainless Steel (1 required per assembly)
SCREW (.437-14 x 1.00) 10-99204
10-99204

About Mercury Marine

OEM Part

10-99204 - Screw [ More info ]

Add to shopping cart $3.70
1 in stock. Explain stock levels

#20 807757T PULLEY ASSEMBLY, Idler - Black, Idler (1 required per assembly)
PULLEY ASSEMBLY Idler - 807757T
807757T

About Mercury Marine

OEM Part

807757T - Idler Pulley [ More info ]

Add to shopping cart $42.50
Available to order: Usually ships within 8 days. Explain stock levels

Pulley, Composite
18-6457

About Sierra Marine

OEM Match

18-6457 - Pulley, 807757T [ More info ]

Add to shopping cart $41.99 $34.01
3 in stock. Explain stock levels

#21 11-859135 NUT, (.437-20) Brass/Nickel Plated (1 required per assembly)
NUT (.437-20) Brass/Nic 11-859135
11-859135

About Mercury Marine

OEM Part

11-859135 - Nut - Priced Individually [ More info ]

Add to shopping cart $4.30
10+ in stock. Explain stock levels

#22 845117 BUSHING (1 required per assembly)
BUSHING 845117
845117

About Mercury Marine

OEM Part

845117 - Bushing [ More info ]

Add to shopping cart $18.67
Available to order: Usually ships within 8 days. Explain stock levels

#23 12-45176 WASHER, (.453 x .812 x .105) Stainless Steel (1 required per assembly)
WASHER (.453 x .812 x . 12-45176
12-45176

About Mercury Marine

OEM Part

12-45176 - Washer - Priced Individually [ More info ]

Add to shopping cart $1.10
10+ in stock. Explain stock levels

Washer
18-4858-9

About Sierra Marine

OEM Match

18-4858-9 - Washer, 12-45176, 10PK [ More info ]

Add to shopping cart $27.22 $17.96
8 in stock. Explain stock levels

#23 12-856774 WASHER, (.406 x .750 x .105) Stainless Steel (1 required per assembly)
WASHER (.406 x .750 x . 12-856774
 

About Mercury Marine

OEM Part

12-856774 - Washer [ More info ]

Add to shopping cart $1.60
10+ in stock. Explain stock levels

#24 10-87302 SCREW, (.375-16 x 5.00) Stainless Steel (1 required per assembly)
SCREW (.375-16 x 5.00) 10-87302
 

About Mercury Marine

OEM Part

10-87302 - Bolt, NLA [ More info ]

Add to shopping cart $8.70
10+ in stock. Explain stock levels

#25 10-841118 SCREW, (.437-14 x 5.50) Stainless Steel (1 required per assembly)
SCREW (.437-14 x 5.50) 10-841118
10-841118

About Mercury Marine

OEM Part

10-841118 - Screw [ More info ]

Add to shopping cart $10.38
Available to order: Usually ships within 8 days. Explain stock levels

#26 85-66659 BOOT, Insulator - Black (2 required per assembly)
BOOT Insulator - Black 85-66659
 

About Mercury Marine

OEM Part

85-66659 - Boot (Black) [ More info ]

Add to shopping cart $6.60
Available to order: Usually ships within 8 days. Explain stock levels

#27 11-40138 6 NUT, (M6) Stainless Steel (2 required per assembly)
NUT (M6) Stainless Stee 11-40138  6
 

About Mercury Marine

OEM Part

11-40138 6 - Nut - Priced Individually [ More info ]

Add to shopping cart $3.40
3 in stock. Explain stock levels

#28 12-846673 WASHER, (.265 x .500 x .060) Stainless Steel (2 required per assembly)
WASHER (.265 x .500 x . 12-846673
 

About Mercury Marine

OEM Part

12-846673 - Washer [ More info ]

Add to shopping cart $0.80
Available to order: Usually ships within 8 days. Explain stock levels

#29 11-826709 10 NUT, (.312-18) Stainless Steel (1 required per assembly)
NUT (.312-18) Stainless 11-826709 10
 

About Mercury Marine

OEM Part

11-826709 10 - Nut - Priced Individually [ More info ]

Add to shopping cart $5.10
1 in stock. Explain stock levels

#30 12-F506186 WASHER, (.340 x .734 x .105) Stainless Steel (2 required per assembly)
WASHER (.340 x .734 x . 12-F506186
 

About Mercury Marine

OEM Part

12-F506186 - Washer [ More info ]

Add to shopping cart $4.00
Available to order: Usually ships within 8 days. Explain stock levels

#31 23-841940 BUSHING, Flanged (1 required per assembly)
BUSHING Flanged 23-841940
 

About Mercury Marine

OEM Part

23-841940 - Bushing [ More info ]

Add to shopping cart $43.85
Available to order: Usually ships within 8 days. Explain stock levels

#32 863077T ALTERNATOR ASSEMBLY, Black, Service Complete (1 required per assembly)
ALTERNATOR ASSEMBLY Bla 863077T
863077T

About Mercury Marine

OEM Part

863077T - Alternator, Black [ More info ]

Add to shopping cart $349.50
In stock Explain stock levels

Alternator
18-6298

About Sierra Marine

OEM Match

18-6298 - Alternator, 862031T [ More info ]

Add to shopping cart $284.49 $224.62
In stock Explain stock levels

ALTERNATOR-REMAN     863077R01
863077R01

About Mercury Marine

OEM Part

863077R01 - Alternator- Remanufactured [ More info ]

Add to shopping cart $308.25
Available to order: Usually ships within 8 days. Explain stock levels

ALTERNATOR
20815

About Arco Electrical Products

OEM Match

20815 - Alternator, 863077T [ More info ]

Add to shopping cart $246.95 $217.56
In stock Explain stock levels

#33 10-39001 SCREW, (.312-18 x 4.50) (1 required per assembly)
SCREW (.312-18 x 4.50) 10-39001
10-39001

About Mercury Marine

OEM Part

10-39001 - Screw [ More info ]

Add to shopping cart $5.40
Available to order: Usually ships within 8 days. Explain stock levels

#34 10-821550 25 SCREW, (M8 x 25) Stainless Steel (1 required per assembly)
SCREW (M8 x 25 MM) Stai 10-821550 25
10-821550 25

About Mercury Marine

OEM Part

10-821550 25 - Screw - Priced Individually [ More info ]

Add to shopping cart $2.20
2 in stock. Explain stock levels

#35 50-8M8021116 STARTER MOTOR ASSEMBLY, Service Complete (1 required per assembly)
STARTER MOTOR ASSEMBLY 50-8M8021116
50-8M8021116

About Mercury Marine

OEM Part

50-8M8021116 - Starter Assembly [ More info ]

Add to shopping cart $385.14
Available to order: Usually ships within 8 days. Explain stock levels

STARTER
18-6946

About Sierra Marine

OEM Match

18-6946 - Starter 18-6946 [ More info ]

Add to shopping cart $349.99 $272.60
In stock Explain stock levels

#36 10-805343 2 SCREW, (.375-16 x 4.33) (2 required per assembly)
SCREW (.375-16 x 4.33) 10-805343  2
10-805343  2

About Mercury Marine

OEM Part

10-805343 2 - Bolt [ More info ]

Add to shopping cart $12.00
10 in stock. Explain stock levels

#37 809463A 1 SOLENOID KIT (1 required per assembly)
SOLENOID KIT 809463A 1
809463A 1

About Mercury Marine

OEM Part

809463A 1 - Solenoid Kit [ More info ]

Add to shopping cart $153.75
1 in stock. Explain stock levels

Solenoid
18-5811

About Sierra Marine

OEM Match

18-5811 - Solenoid, 809463A1 [ More info ]

Add to shopping cart $72.94 $58.63
4 in stock. Explain stock levels

SOLENOIDS
SW463

About Arco Electrical Products

OEM Match

SW463 - Solenoid, 809463A1, 3850216 [ More info ]

Add to shopping cart $36.95 $32.29
2 in stock. Explain stock levels

#38 15-817272 1 SHIM, Special (1 required per assembly)
SHIM 15-817272  1
 

About Mercury Marine

OEM Part

15-817272 1 - Shim [ More info ]

Add to shopping cart $12.90
Available to order: Usually ships within 8 days. Explain stock levels

#39 88-79023A90 FUSE ASSEMBLY, 90 Ampere (1 required per assembly)
88-79023A90 - FUSE ASSEMBLY 90  O - Replaced by 88-79023T90
88-79023A90

This part has been superseded.

88-79023A90 - 88-79023A90 - FUSE ASSEMBLY 90 O [ More info ]
Unavailable
Replaced by 88-79023T90
FUSE ASSEMBLY 90 Ampere 88-79023T90
88-79023T90

About Mercury Marine

OEM Part

88-79023T90 - Fuse Assembly -90 Amp [ More info ]

Add to shopping cart $25.50
1 in stock. Explain stock levels

#40 11-826709109 NUT, (.250-28) Stainless Steel (1 required per assembly)
NUT (.250-28) Stainless 11-826709109
11-826709109

About Mercury Marine

OEM Part

11-826709109 - Nut - Priced Individually [ More info ]

Add to shopping cart $2.40
10+ in stock. Explain stock levels

#41 11-40138 8 NUT, (M8) Stainless Steel (1 required per assembly)
NUT (M8) Stainless Stee 11-40138  8
 

About Mercury Marine

OEM Part

11-40138 8 - Nut - Priced Individually [ More info ]

Add to shopping cart $2.19
Available to order: Usually ships within 8 days. Explain stock levels

#42 13-26996 LOCKWASHER, (#10) Stainless Steel (1 required per assembly)
LOCKWASHER (#10) Stainl 13-26996
 

About Mercury Marine

OEM Part

13-26996 - LockWasher - Priced Individually [ More info ]

Add to shopping cart $0.90
10+ in stock. Explain stock levels

#43 11-40021 1 NUT, (M5) Stainless Steel (1 required per assembly)
NUT (M5) Stainless Stee 11-40021  1
11-40021  1

About Mercury Marine

OEM Part

11-40021 1 - Nut [ More info ]

Add to shopping cart $2.50
9 in stock. Explain stock levels

#44 85-79695 BOOT, Insulator - Black (1 required per assembly)
8579695T 85-79695
 

About Mercury Marine

OEM Part

85-79695 - Boot (Black) [ More info ]

Add to shopping cart $1.90
8 in stock. Explain stock levels

BOOT Insulator (Black) 85-79695T
 

About Mercury Marine

OEM Part

85-79695T - Insulator Boot [ More info ]

Add to shopping cart $4.00
Available to order: Usually ships within 8 days. Explain stock levels

#45 85-830233 BOOT, Insulator - Red (1 required per assembly)
BOOT Insulator - Red 85-830233
 

About Mercury Marine

OEM Part

85-830233 - Boot (red) [ More info ]

Add to shopping cart $3.30
Available to order: Usually ships within 8 days. Explain stock levels

#46 85-880787 BOOT, Insulator - Yellow (1 required per assembly)
BOOT Insulator - Yellow 85-880787
 

About Mercury Marine

OEM Part

85-880787 - Boot (Yellow) [ More info ]

Add to shopping cart $3.60
Available to order: Usually ships within 8 days. Explain stock levels