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Parts for MerCruiser Race Engine and Drive 500 EFI Starter & Alternator Mounting

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 849297T 1 BRACKET, Idler Pulley, Idler Pulley (1 required per assembly) - Non Power Steering Models
BRACKET Idler Pul 849297T 1 849297T 1
849297T 1OEM Part 849297T 1 - Bracket (more info) About Mercury Marine $172.25 $172.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 10-840244 SCREW, (.375-16 x 3.375) Stainless Steel (2 required per assembly) - Non Power Steering Models
SCREW (.375-16 x 10-840244 10-840244
10-840244OEM Part 10-840244 - Screw (more info) About Mercury Marine $10.59 $10.59 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 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
10-821301 30OEM Part 10-821301 30 - Screw (more info) About Mercury Marine $15.20 $15.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 849296T PULLEY ASSEMBLY, Idler - Black (1 required per assembly) - Power Steering Models
PULLEY            O - Replaced by -864625T 849296T
849296TThis part has been superseded. PULLEY O - Replaced by -864625T
(more info)
    UnavailableUnavailable Parts
PULLEY 864625T 864625T
864625TOEM Part 864625T - Idler Pulley (more info) About Mercury Marine $40.83 $40.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 54-62494 CLIP, Cooler Hose To Circulating Pump (1 required per assembly) - Non Power Steering Models
CLIP 54-62494  
54-62494OEM Part 54-62494 - Clip (more info) About Mercury Marine $5.20 $5.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 875285T 2 ALTERNATOR ASSEMBLY, Blue, Version I - Service Complete (1 required per assembly)
ALTERNATOR (BLUE) O - Replaced by -875285T 4  
875285T 2This part has been superseded. ALTERNATOR (BLUE) O - Replaced by -875285T 4
(more info)
    UnavailableUnavailable Parts
ALTERNATOR (BLUE) O - Replaced by -881248T02  
875285T 4This part has been superseded. ALTERNATOR (BLUE) O - Replaced by -881248T02
(more info)
    UnavailableUnavailable Parts
ALTERNATOR (BLUE) O - Replaced by -889955T01  
881248T02This part has been superseded. ALTERNATOR (BLUE) O - Replaced by -889955T01
(more info)
    UnavailableUnavailable Parts
ALTERNATOR (BLUE) O - Replaced by -889955A04 889955T01
889955T01This part has been superseded. ALTERNATOR (BLUE) O - Replaced by -889955A04
(more info)
    UnavailableUnavailable Parts
ALT KIT-BLUE      O - Replaced by -8M8023423 889955A04
889955A04This part has been superseded. ALT KIT-BLUE O - Replaced by -8M8023423
(more info)
    UnavailableUnavailable Parts
ALTERNATOR KIT Bl 8M8023423 8M8023423
8M8023423OEM Part 8M8023423 - Alternator Kit -Blue (more info) About Mercury Marine $541.08 $541.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
Alternator 18-6454
18-6454OEM Match 18-6454 - Alternator, 875285T1 (more info) About Sierra Marine $472.99 $385.37 Add to shopping cart
1 in stock. Explain stock levels
NEW O/B ALTERNATOR 20840
20840OEM Match 20840 - Alternator (more info) About Arco Electrical Products $365.95 $321.89 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 875285T 4 ALTERNATOR ASSEMBLY, Blue, Version II - Service Complete (1 required per assembly)
#7 881248T02 ALTERNATOR ASSEMBLY, Blue, Version III - Service Complete (1 required per assembly)
#7 889955T01 ALTERNATOR ASSEMBLY, Blue, Version IV - Service Complete (1 required per assembly)
#8 842421T PULLEY, Blue, Alternator (1 required per assembly)
PULLEY Blue 842421T 842421T
842421TOEM Part 842421T - Alternator Pulley (Blue) (more info) About Mercury Marine $124.74 $124.74 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 12-856774 WASHER, (.406 x .750 x .105) Stainless Steel, Thrust - For Pulley (1 required per assembly)
WASHER (.406 x .7 12-856774  
12-856774OEM Part 12-856774 - Washer (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
1 in stock. Explain stock levels
#10 11-826833 6 NUT, (M6), For Pulley (1 required per assembly)
NUT @5            O - Replaced by 11-40144  
11-826833 6This part has been superseded. NUT @5 O - Replaced by 11-40144
(more info)
    UnavailableUnavailable Parts
NUT @5            O - Replaced by 11-40138  6  
11-40144This part has been superseded. NUT @5 O - Replaced by 11-40138 6
(more info)
    UnavailableUnavailable Parts
NUT (M6) Stainles 11-40138  6  
11-40138 6OEM Part 11-40138 6 - Nut - Priced Individually (more info) About Mercury Marine $3.30 $3.30 Add to shopping cart
7 in stock. Explain stock levels
#12 10-849397 SCREW, (.375-16 x 3.250) Stainless Steel (1 required per assembly)
SCREW (.375-16 x 10-849397  
10-849397OEM Part 10-849397 - Screw (more info) About Mercury Marine $2.55 $2.55 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 10-69267 SCREW, (.312-18 x 1.750) (1 required per assembly)
SCREW (.312-18 x 10-69267 10-69267
10-69267OEM Part 10-69267 - Screw (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
5 in stock. Explain stock levels
#14 12-814806 WASHER, (.344 x .688 x .065) Stainless Steel (2 required per assembly)
WASHER (.344 x .6 12-814806  
12-814806OEM Part 12-814806 - Washer (more info) About Mercury Marine $1.30 $1.30 Add to shopping cart
10+ in stock. Explain stock levels
#15 11-826709 10 NUT, (.312-18) Stainless Steel (1 required per assembly)
NUT (.312-18) Sta 11-826709 10  
11-826709 10OEM Part 11-826709 10 - Nut - Priced Individually (more info) About Mercury Marine $4.90 $4.90 Add to shopping cart
1 in stock. Explain stock levels
#16 12-846673 WASHER, (.265 x .500 x .060) Stainless Steel (1 required per assembly)
WASHER (.265 x .5 12-846673  
12-846673OEM Part 12-846673 - Washer (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 11-40138 6 NUT, (M6) Stainless Steel (1 required per assembly)
#18 50-8M8021116 STARTER MOTOR ASSEMBLY (1 required per assembly) - NOTE: See Starter Assembly Section For Parts Breakdown
STARTER MOTOR ASS 50-8M8021116 50-8M8021116
50-8M8021116OEM Part 50-8M8021116 - Starter Assembly (more info) About Mercury Marine $375.75 $375.75 Add to shopping cart
Available to order:
Usually ships
within 8 days
STARTER 18-6946
18-6946OEM Match 18-6946 - Starter 18-6946 (more info) About Sierra Marine $349.99 $272.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#19 10-805343 2 SCREW, (.375-16 x 4.33) (2 required per assembly)
SCREW (.375-16 x 10-805343  2 10-805343  2
10-805343 2OEM Part 10-805343 2 - Bolt (more info) About Mercury Marine $11.70 $11.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 11-40138 8 NUT, (M8) Stainless Steel (1 required per assembly)
NUT (M8) Stainles 11-40138  8  
11-40138 8OEM Part 11-40138 8 - Nut - Priced Individually (more info) About Mercury Marine $2.15 $2.15 Add to shopping cart
5 in stock. Explain stock levels
#21 11-826709109 NUT, (.250-28) Stainless Steel (1 required per assembly)
NUT (.250-28) Sta 11-826709109 11-826709109
11-826709109OEM Part 11-826709109 - Nut - Priced Individually (more info) About Mercury Marine $2.30 $2.30 Add to shopping cart
10+ in stock. Explain stock levels
#22 13-39107 LOCKWASHER, (.312-24) (1 required per assembly)
LOCKWASHER (.312- 13-39107  
13-39107OEM Part 13-39107 - LockWasher - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
10+ in stock. Explain stock levels
#23 85-79695 BOOT, Insulator - Black (1 required per assembly)
8579695T 85-79695  
85-79695OEM Part 85-79695 - Boot (Black) (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
9 in stock. Explain stock levels
BOOT Insulator (B 85-79695T  
85-79695TOEM Part 85-79695T - Insulator Boot (more info) About Mercury Marine $3.90 $3.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 11-40021 1 NUT, (M5) Stainless Steel (1 required per assembly)
NUT (M5) Stainles 11-40021  1 11-40021  1
11-40021 1OEM Part 11-40021 1 - Nut (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
10+ in stock. Explain stock levels
#25 13-26996 LOCKWASHER, (#10) Stainless Steel (1 required per assembly)
LOCKWASHER (#10) 13-26996  
13-26996OEM Part 13-26996 - LockWasher - Priced Individually (more info) About Mercury Marine $0.84 $0.84 Add to shopping cart
10+ in stock. Explain stock levels
#26 88-79023A91 FUSE ASSEMBLY, 90 Ampere (1 required per assembly)
FUSE ASSEMBLY 90 88-79023A91 88-79023A91
88-79023A91OEM Part 88-79023A91 - Fuse Assembly -90 Amp (more info) About Mercury Marine $31.58 $31.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
Fuse Kit, 90 amp 18-8220
18-8220OEM Match 18-8220 - Fuse Kit, 90 Amp (more info) About Sierra Marine $38.33 $30.71 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 15-817272 1 SHIM, Special (1 required per assembly)
SHIM 15-817272  1  
15-817272 1OEM Part 15-817272 1 - Shim (more info) About Mercury Marine $10.60 $10.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#28 10-94247 SCREW, (.375-16 x .750) Stainless Steel (1 required per assembly)
SCREW (.375-16 x 10-94247 10-94247
10-94247OEM Part 10-94247 - Screw - Priced Individually (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#29 845117 BUSHING (1 required per assembly)
BUSHING 845117 845117
845117OEM Part 845117 - Bushing (more info) About Mercury Marine $18.21 $18.21 Add to shopping cart
Available to order:
Usually ships
within 8 days
#30 11-859135 NUT, (.437-20) Brass/Nickel Plated (1 required per assembly)
NUT (.437-20) Bra 11-859135 11-859135
11-859135OEM Part 11-859135 - Nut - Priced Individually (more info) About Mercury Marine $4.20 $4.20 Add to shopping cart
10+ in stock. Explain stock levels
#31 10-843575 SCREW, (.375-16 x 4.00) Stainless Steel (1 required per assembly)
SCREW (.375-16 x 10-843575 10-843575
10-843575OEM Part 10-843575 - Screw (more info) About Mercury Marine $6.10 $6.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#32 845124T 1 BRACKET, Tensioner (1 required per assembly)
BRACKET 845124T 1 845124T 1
845124T 1OEM Part 845124T 1 - Bracket (more info) About Mercury Marine $106.25 $106.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#33 43-818381 2 PINION STUD, (.437-20) Stainless Steel (1 required per assembly)
PINION STUD (.437 43-818381  2 43-818381  2
43-818381 2OEM Part 43-818381 2 - Pinion Stud (more info) About Mercury Marine $15.70 $15.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#34 16-57920 3 STUD, (.437-14/.437-20 x 2.060) (2 required per assembly)
STUD (.437-14/.43 16-57920  3  
16-57920 3OEM Part 16-57920 3 - Stud (more info) About Mercury Marine $5.50 $5.50 Add to shopping cart
6 in stock. Explain stock levels
#36 12-45176 WASHER, (.453 x .812 x .105) Stainless Steel (4 required per assembly)
WASHER (.453 x .8 12-45176 12-45176
12-45176OEM Part 12-45176 - Washer - Priced Individually (more info) About Mercury Marine $1.10 $1.10 Add to shopping cart
10+ in stock. Explain stock levels
Washer 18-4858-9
18-4858-9OEM Match 18-4858-9 - Washer, 12-45176, 10PK (more info) About Sierra Marine $27.22 $17.96 Add to shopping cart
2 in stock. Explain stock levels
#37 849905T BRACKET, Alternator/Power Steering Mount (1 required per assembly)
BRACKET 849905T 849905T
849905TOEM Part 849905T - Bracket (more info) About Mercury Marine $181.25 $181.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#38 12-861854 WASHER, (.453 x .750 x .032) Stainless Steel, Used As Shim (1 required per assembly)
WASHER (.453 x .7 12-861854  
12-861854OEM Part 12-861854 - Washer (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
2 in stock. Explain stock levels
#39 16-842441 STUD, (.437-14/.437-20 x 2.250) (1 required per assembly) - Power Steering Models
STUD (.437-14/.43 16-842441  
16-842441OEM Part 16-842441 - Stud (more info) About Mercury Marine $6.25 $6.25 Add to shopping cart
Available to order:
Usually ships
within 8 days