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Parts for MerCruiser Race Engine and Drive 525 EFI Electrical Components (Ignition)

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 841203T COIL, Ignition (2 required per assembly)
COIL Ignition 841203T 841203T
841203TOEM Part 841203T - Ignition Coil (more info) About Mercury Marine $281.58 $281.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 37-841205 DECAL SHEET, Coils And Relays, Four Sets Per Sheet (1 required per assembly)
DECAL SHEET Coils 37-841205  
37-841205OEM Part 37-841205 - DecalS-4 Sets (more info) About Mercury Marine $17.02 $17.02 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 10-848920 SCREW, (.250-20 x 2.50) (3 required per assembly)
SCREW (.250-20 x 10-848920 10-848920
10-848920OEM Part 10-848920 - Screw (more info) About Mercury Marine $5.89 $5.89 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 841214 1 BRACKET (1 required per assembly) - Design I - Coil Mount
BRACKET           O - Replaced by -841214002  
841214 1This part has been superseded. BRACKET O - Replaced by -841214002
(more info)
    UnavailableUnavailable Parts
BRACKET 841214002 841214002
841214002OEM Part 841214002 - Bracket (more info) About Mercury Marine $58.10 $58.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 841214002 BRACKET (1 required per assembly) - Design II - Coil Mount/Fuel Filter
#8 10-99204 SCREW, (.437-14 x 1.00) Stainless Steel (1 required per assembly)
SCREW (.437-14 x 10-99204 10-99204
10-99204OEM Part 10-99204 - Screw (more info) About Mercury Marine $3.60 $3.60 Add to shopping cart
1 in stock. Explain stock levels
#9 84-840955T01 CABLE SET, Ignition - Blue Wires (1 required per assembly)
CABLE SET Ignitio 84-840955T01 84-840955T01
84-840955T01OEM Part 84-840955T01 - Ignition Cable Set (more info) About Mercury Marine $167.19 $167.19 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 32-828547253 CONDUIT, (.250 Inside Diameter x 3.00 Feet Bulk), Cut As Required (AR required per assembly)
CONDUIT (.250 Ins 32-828547253 32-828547253
32-828547253OEM Part 32-828547253 - CONDUIT (.250 Ins (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 843137A01 MARKER SET, Ignition Cables, Includes Two Each Of 1 Thru 8 Numbers (1 required per assembly)
MARKER SET Igniti 843137A01  
843137A01OEM Part 843137A01 - Marker Set (more info) About Mercury Marine $23.15 $23.15 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 33-810883 SPARK PLUG (8 required per assembly)
SPARK PLUG 33-810883 33-810883
33-810883OEM Part 33-810883 - NGK Spark Plug BPR6ES - Priced Individually (more info) About Mercury Marine $5.33 $5.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 54676 RETAINER, Two Wire (4 required per assembly)
RETAINER Two Wire 54676 54676
54676OEM Part 54676 - Retainer (more info) About Mercury Marine $3.60 $3.60 Add to shopping cart
10 in stock. Explain stock levels
#13 32783 RETAINER, Three Wire (2 required per assembly)
RETAINER Three Wi 32783 32783
32783OEM Part 32783 - Retainer (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
6 in stock. Explain stock levels
#14 32784 RETAINER, Four Wire (2 required per assembly)
RETAINER Four Wir 32784 32784
32784OEM Part 32784 - Retainer (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
10 in stock. Explain stock levels
#17 840954T01 BRACKET, Controller Mount (1 required per assembly)
BRACKET 840954T01  
840954T01OEM Part 840954T01 - Bracket (more info) About Mercury Marine $31.23 $31.23 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 42600A 3 CONTROLLER ASSEMBLY, Mercathode (1 required per assembly)
42600A09 42600A 3 42600A 3
42600A 3OEM Part 42600A 3 - Controller Assembly (more info) About Mercury Marine $30.05 $30.05 Add to shopping cart
1 in stock. Explain stock levels
MERCATHODE ASSEMB 42600A09 42600A09
42600A09OEM Part 42600A09 - Mercathode Kit (more info) About Mercury Marine $83.67 $83.67 Add to shopping cart
1 in stock. Explain stock levels
#21 12-30164 WASHER, (.192 x .375 x .0312) Stainless Steel (2 required per assembly)
WASHER (.192 x .3 12-30164  
12-30164OEM Part 12-30164 - Washer - Priced Individually (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
10+ in stock. Explain stock levels
#22 11-826709106 NUT, (#10-32) Stainless Steel (2 required per assembly)
NUT (#10-32) Stai 11-826709106 11-826709106
11-826709106OEM Part 11-826709106 - Nut (more info) About Mercury Marine $3.20 $3.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 10-62568 SCREW, (#10-16 x .375) (1 required per assembly)
SCREW (#10-16 x . 10-62568 10-62568
10-62568OEM Part 10-62568 - Screw - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#24 85-65208 BOOT, Insulator - Black (2 required per assembly)
BOOT Insulator - 85-65208  
85-65208OEM Part 85-65208 - Boot (Black) (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
2 in stock. Explain stock levels
#25 84-865181A01 HARNESS ASSEMBLY, Mercathode (1 required per assembly)
HARNESS ASSY      O - Replaced by 84-865181T01  
84-865181A01This part has been superseded. HARNESS ASSY O - Replaced by 84-865181T01
(more info)
    UnavailableUnavailable Parts
HARNESS ASSEMBLY 84-865181T01  
84-865181T01OEM Part 84-865181T01 - Harness Assembly (more info) About Mercury Marine $30.17 $30.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
#26 84-95084A 9 CABLE ASSEMBLY, (91.00 Inches) Red/Purple Strip, Red/Purple Stripe (1 required per assembly)
CABLE ASSEMBLY (9 84-95084A 9  
84-95084A 9OEM Part 84-95084A 9 - Cable Assembly (more info) About Mercury Marine $19.25 $19.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 88-79091 FUSE, 20 Ampere (1 required per assembly)
FUSE 20 Ampere 88-79091 88-79091
88-79091OEM Part 88-79091 - Fuse - 20 Amp - Priced Individually (more info) About Mercury Marine $4.30 $4.30 Add to shopping cart
8 in stock. Explain stock levels
#28 84-95084A10 CABLE ASSEMBLY, (5.00 Inches) Red, Red (1 required per assembly)
CABLE ASSEMBLY (5 84-95084A10 84-95084A10
84-95084A10OEM Part 84-95084A10 - Cable Assembly (more info) About Mercury Marine $5.80 $5.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#29 84-840945T04 HARNESS ASSEMBLY, Engine (1 required per assembly)
HARNESS ASSY      O - Replaced by 84-840945T06  
84-840945T04This part has been superseded. HARNESS ASSY O - Replaced by 84-840945T06
(more info)
    UnavailableUnavailable Parts
HARNESS ASSY 84-840945T06  
84-840945T06OEM Part 84-840945T06 - Harness Assembly (more info) About Mercury Marine $723.30 $723.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#30 858754 COVER, Fuse (2 required per assembly)
COVER-FUSE        O 858754
858754 COVER-FUSE O
(more info)
    UnavailableUnavailable Parts
#31 88-832969 5 FUSE, Mini - Tan - 5 Ampere (1 required per assembly)
FUSE-TAN-5 AMP    O - Replaced by 88-832969T05  
88-832969 5This part has been superseded. FUSE-TAN-5 AMP O - Replaced by 88-832969T05
(more info)
    UnavailableUnavailable Parts
FUSE Mini - Tan - 88-832969T05  
88-832969T05OEM Part 88-832969T05 - Fuse -TAN-5 AMP (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 88-832969 15 FUSE, Mini - Blue - 15 Ampere (3 required per assembly)
FUSE-BLUE-15AMP   O - Replaced by 88-832969T15 88-832969 15
88-832969 15This part has been superseded. FUSE-BLUE-15AMP O - Replaced by 88-832969T15
(more info)
    UnavailableUnavailable Parts
FUSE Mini - Blue 88-832969T15 88-832969T15
88-832969T15OEM Part 88-832969T15 - Fuse -Blue-15AMP (more info) About Mercury Marine $2.80 $2.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 88-832969 20 FUSE, Mini - Yellow - 20 Ampere (5 required per assembly)
88832969T20 88-832969 20 88-832969 20
88-832969 20OEM Part 88-832969 20 - Fuse-Yellow-20AMP (more info) About Mercury Marine $2.60 $2.60 Add to shopping cart
4 in stock. Explain stock levels
FUSE Mini - Yello 88-832969T20 88-832969T20
88-832969T20OEM Part 88-832969T20 - Fuse - Yellow - 20 Amp (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 88-832969 30 FUSE, Mini - Green - 30 Ampere (1 required per assembly)
FUSE Mini - Green 88-832969 30  
88-832969 30OEM Part 88-832969 30 - Fuse - Green-30 Amp (more info) About Mercury Marine $3.20 $3.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#32 840984T01 BRACKET, PCM Mount (1 required per assembly)
BRACKET PCM Mount 840984T01  
840984T01OEM Part 840984T01 - Bracket (more info) About Mercury Marine $164.21 $164.21 Add to shopping cart
Available to order:
Usually ships
within 8 days
#33 11-826709 8 NUT, (.250-20) Stainless Steel (4 required per assembly)
NUT (.250-20) Sta 11-826709  8  
11-826709 8OEM Part 11-826709 8 - Nut - Priced Individually (more info) About Mercury Marine $4.70 $4.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#34 12-846673 WASHER, (.265 x .500 x .060) Stainless Steel (4 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
#35 882751A 1 RELAY ASSEMBLY (4 required per assembly)
RELAY ASSEMBLY 882751A 1 882751A 1
882751A 1OEM Part 882751A 1 - Trim Relay Assembly (more info) About Mercury Marine $16.42 $16.42 Add to shopping cart
3 in stock. Explain stock levels
Relay, Shrouded, Trim 18-5849
18-5849OEM Match 18-5849 - Relay, 882751A1 (more info) About Sierra Marine $15.49 $12.89 Add to shopping cart
10+ in stock. Explain stock levels
#36 25-818967 GROMMET (4 required per assembly)
GROMMET 25-818967  
25-818967OEM Part 25-818967 - Grommet (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
3 in stock. Explain stock levels
#37 23-818968 BUSHING (4 required per assembly)
BUSHING 23-818968  
23-818968OEM Part 23-818968 - Bushing (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#38 11-61356 NUT, (#10-32) Reduced Hex (2 required per assembly)
NUT (#10-32) Redu 11-61356  
11-61356OEM Part 11-61356 - Nut - Priced Individually (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#39 11-68219 NUT, (#10-32) Stainless Steel (2 required per assembly)
NUT (#10-32) Stai 11-68219  
11-68219OEM Part 11-68219 - Nut - Priced Individually (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#40 13-26996 LOCKWASHER, (#10) Stainless Steel (2 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
#41 88-11178 BREAKER, Circuit - 50 Ampere (1 required per assembly)
BREAKER-50 AMP    O - Replaced by 88-11178A01 88-11178
88-11178This part has been superseded. BREAKER-50 AMP O - Replaced by 88-11178A01
(more info)
    UnavailableUnavailable Parts
BREAKER Circuit - 88-11178A01 88-11178A01
88-11178A01OEM Part 88-11178A01 - Circuit Breaker (more info) About Mercury Marine $81.58 $81.58 Add to shopping cart
1 in stock. Explain stock levels
#42 10-96113 SCREW, (#10-32 x .880) Stainless Steel (2 required per assembly)
SCREW (#10-32 x . 10-96113 10-96113
10-96113OEM Part 10-96113 - Screw (more info) About Mercury Marine $1.30 $1.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#43 37-72554 DECAL, Circuit Breaker (1 required per assembly)
DECAL Circuit Bre 37-72554  
37-72554OEM Part 37-72554 - Decal (more info) About Mercury Marine $0.67 $0.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#44 54-879962 CLIP, Connector (3 required per assembly)
CLIP 54-879962  
54-879962OEM Part 54-879962 - Clip (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#45 89-850187T 1 SOLENOID ASSEMBLY, Starter (1 required per assembly)
SOLENOID ASSEMBLY 89-850187T 1 89-850187T 1
89-850187T 1OEM Part 89-850187T 1 - Solenoid Assembly (more info) About Mercury Marine $45.75 $45.75 Add to shopping cart
1 in stock. Explain stock levels
SOLENOID SW097
SW097OEM Match SW097 - Solenoid (more info) About Arco Electrical Products $31.95 $26.89 Add to shopping cart
10+ in stock. Explain stock levels
#48 10-828478 SCREW, (.250-20 x 1.00) Stainless Steel (2 required per assembly)
SCREW (.250-20 x 10-828478 10-828478
10-828478OEM Part 10-828478 - Screw (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#49 13-26992 LOCKWASHER, (.250) Stainless Steel (2 required per assembly)
LOCKWASHER (.250) 13-26992  
13-26992OEM Part 13-26992 - LockWasher - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#50 11-94330 NUT, (.250-20) Brass (2 required per assembly)
NUT (.250-20) Bra 11-94330  
11-94330OEM Part 11-94330 - Nut (more info) About Mercury Marine $1.20 $1.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#51 85-880787 BOOT, Insulator - Yellow (1 required per assembly)
BOOT Insulator - 85-880787  
85-880787OEM Part 85-880787 - Boot (Yellow) (more info) About Mercury Marine $3.60 $3.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#51 85-880786 BOOT, Insulator - Red (3 required per assembly)
BOOT Insulator - 85-880786  
85-880786OEM Part 85-880786 - Boot (red) (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#52 817712 1 SEAL, (6.79 Feet Bulk), Cut 6.00 Inches (1 required per assembly)
SEAL-6.79 FEET    O - Replaced by -817712003  
817712 1This part has been superseded. SEAL-6.79 FEET O - Replaced by -817712003
(more info)
    UnavailableUnavailable Parts
SEAL (6.79 Feet) 817712003 817712003
817712003OEM Part 817712003 - Seal -6.79 Feet (more info) About Mercury Marine $108.40 $108.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#55 842449 1 BRACKET, Module Mount (1 required per assembly)
BRACKET 842449  1  
842449 1OEM Part 842449 1 - Bracket (more info) About Mercury Marine $76.93 $76.93 Add to shopping cart
Available to order:
Usually ships
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#56 841155T01 MODULE ASSEMBLY (1 required per assembly)
MODULE ASSY       O NLA  
841155T01 MODULE ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#57 10-40019111 SCREW, (M5 x 35) (3 required per assembly)
SCREW (M5 x 35) 10-40019111 10-40019111
10-40019111OEM Part 10-40019111 - Screw (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#58 12-843486 WASHER, (.203 x .438 x .037) Stainless Steel (3 required per assembly)
WASHER (.203 x .4 12-843486  
12-843486OEM Part 12-843486 - Washer (more info) About Mercury Marine $0.46 $0.46 Add to shopping cart
Available to order:
Usually ships
within 8 days
#59 840947005 PCM, Propulsion Control Module, Programmed Control Module (1 required per assembly)
PCM               O - Replaced by -840947006  
840947005This part has been superseded. PCM O - Replaced by -840947006
(more info)
    UnavailableUnavailable Parts
PCM               O - Replaced by -879148T73 840947006
840947006This part has been superseded. PCM O - Replaced by -879148T73
(more info)
    UnavailableUnavailable Parts
PCM 879148T73 879148T73
879148T73OEM Part 879148T73 - PCM (more info) About Mercury Marine $1,731.34 $1,731.34 Add to shopping cart
Available to order:
Usually ships
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#61 12-65567 WASHER, (.265 x .750 x .048) Stainless Steel (3 required per assembly)
WASHER (.265 x .7 12-65567  
12-65567OEM Part 12-65567 - Washer - Priced Individually (more info) About Mercury Marine $1.63 $1.63 Add to shopping cart
10+ in stock. Explain stock levels
#62 25-834985 GROMMET (3 required per assembly)
GROMMET 25-834985  
25-834985OEM Part 25-834985 - Grommet (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#63 23-856954 BUSHING (3 required per assembly)
BUSHING 23-856954  
23-856954OEM Part 23-856954 - Bushing (more info) About Mercury Marine $4.80 $4.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#64 11-859135 NUT, (.437-20) Brass/Nickel Plated (2 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
8 in stock. Explain stock levels
#65 12-45176 WASHER, (.453 x .812 x .105) Stainless Steel (2 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
#66 16-57984 1 STUD, (.437-14/.437-20 x 2.380) (1 required per assembly)
STUD              O - Replaced by 16-57984  
16-57984 1This part has been superseded. STUD O - Replaced by 16-57984
(more info)
    UnavailableUnavailable Parts
STUD (.437-14/.43 16-57984  
16-57984OEM Part 16-57984 - Stud (more info) About Mercury Marine $16.40 $14.04 Add to shopping cart
Available to order:
Usually ships
within 8 days
#67 54-858954 CLIP, (.625), Harness Support (AR required per assembly)
CLIP (.625) 54-858954  
54-858954OEM Part 54-858954 - Clip (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#67 54-883066 CLIP, (.865), Harness Support (AR required per assembly)
CLIP (.865) 54-883066  
54-883066OEM Part 54-883066 - Clip (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#67 54-858755 CLIP, (1.00), Harness Support (AR required per assembly)
CLIP (1.00) 54-858755  
54-858755OEM Part 54-858755 - Clip (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#68 16-57920 3 STUD, (.437-14/.437-20 x 2.060) (1 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
#- 841178A 1 PARTIAL ENGINE ASSEMBLY (1 required per assembly)
PARTIAL ENGINE AS 841178A 1  
841178A 1OEM Part 841178A 1 - Partial - 525 Efi (more info) About Mercury Marine $16,767.20 $16,767.20 Add to shopping cart
Available to order:
Usually ships
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