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Parts for MerCruiser Race Engine and Drive 465 GM 502 V-8 1990-1992 Cylinder Head & Rocker Cover

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 821948A 1 COVER ASSY-Rocker (2 required per assembly) SERIAL 0C849992-0D725646
COVER ASSY-VALVE  O - Replaced by -821948T 1  
821948A 1This part has been superseded. COVER ASSY-VALVE O - Replaced by -821948T 1
(more info)
    UnavailableUnavailable Parts
VALVE COVER       O NLA  
821948T 1 VALVE COVER O NLA
(more info)
    UnavailableUnavailable Parts
#1 821948A 4 COVER ASSY-Rocker (2 required per assembly) SERIAL 0D725647-0F213244
COVER ASSY-VALVE  O - Replaced by -821948T 4  
821948A 4This part has been superseded. COVER ASSY-VALVE O - Replaced by -821948T 4
(more info)
    UnavailableUnavailable Parts
VALVE COVER,NLA 821948T 4  
821948T 4OEM Part 821948T 4 - Valve Cover, NLA (more info) About Mercury Marine $385.00 $385.00 Add to shopping cart
2 in stock. Explain stock levels
#2 25-49767 GROMMET-Rocker Cover (2 required per assembly)
GROMMET           O NLA 25-49767
25-49767 GROMMET O NLA
(more info)
    UnavailableUnavailable Parts
#3 42336 CAP-Oil Filler (2 required per assembly) SERIAL 00000000-99200D72
CAP               O - Replaced by -49288  
42336This part has been superseded. CAP O - Replaced by -49288
(more info)
    UnavailableUnavailable Parts
17345 49288  
49288OEM Part 49288 - Cap (more info) About Mercury Marine $18.70 $18.70 Add to shopping cart
10 in stock. Explain stock levels
CAP 17345 17345
17345OEM Part 17345 - Oil Filler Cap (more info) About Mercury Marine $25.17 $25.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 36-811569 CAP-Oil Filler (2 required per assembly) SERIAL 0D725647-0F213244
CAP Oil Tank 36-811569  
36-811569OEM Part 36-811569 - Oil Fill Cap (more info) About Mercury Marine $24.92 $24.92 Add to shopping cart
2 in stock. Explain stock levels
#4 24-70086 SPRING-Filler Cap (2 required per assembly) SERIAL 0C849992-0D725646
SPRING,NLA 24-70086  
24-70086OEM Part 24-70086 - Spring, NLA (more info) About Mercury Marine $25.00 $25.00 Add to shopping cart
10+ in stock. Explain stock levels
#5 14902 BREATHER-Rocker Cover (2 required per assembly)
ORD 41598T        O NLA 14902
14902 ORD 41598T O NLA
(more info)
    UnavailableUnavailable Parts
#6 37-818991 DECAL (2 required per assembly)
DECAL 37-818991  
37-818991OEM Part 37-818991 - Decal (more info) About Mercury Marine $36.13 $36.13 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 11-20361 NUT-Rocker Cover Stud (1/4-28) (14 required per assembly)
118267089 11-20361 11-20361
11-20361OEM Part 11-20361 - Nut Note: Must be ordered in multiples of 5 (more info) About Mercury Marine $0.60 $0.60 Add to shopping cart
10+ in stock. Explain stock levels
NUT (.250-28) 11-826708  9 11-826708 9
11-826708 9OEM Part 11-826708 9 - Nut - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
7 in stock. Explain stock levels
S.S. Steel Locknut 18-3722-9
18-3722-9OEM Match 18-3722-9 - Lock Nut, 121731, 11-35888 (more info)
Replaces OEM #0121731
About Sierra Marine $14.95 $7.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 12-39143 WASHER-Rocker Cover Stud (14 required per assembly)
WASHER (.253 x .6 12-39143 12-39143
12-39143OEM Part 12-39143 - Washer - Priced Individually (more info) About Mercury Marine $6.50 $4.40 Add to shopping cart
10+ in stock. Explain stock levels
#9 16-56766 STUD-Rocker Cover (14 required per assembly)
STUD (.250-20/.25 16-56766 16-56766
16-56766OEM Part 16-56766 - Stud - Priced Individually (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 27-14765 GASKET-Rocker Cover (2 required per assembly)
GASKET 27-14765 27-14765
27-14765OEM Part 27-14765 - Gasket (more info) About Mercury Marine $127.08 $127.08 Add to shopping cart
3 in stock. Explain stock levels
Rocker Cover Gasket 18-25001
18-25001OEM Match 18-25001 - Gasket 27-14765 - Special Order - No Returns (more info) About Sierra Marine $65.49 $62.70 Add to shopping cart
In stock - special order item. Explain stock levels
#11 96028 1 KEY-Valve Stem (32 required per assembly)
LOCK-VALVE @2     O - Replaced by -843140 96028  1
96028 1This part has been superseded. LOCK-VALVE @2 O - Replaced by -843140
(more info)
    UnavailableUnavailable Parts
LOCK-VALVE @2     O - Replaced by -8M0042989 843140
843140This part has been superseded. LOCK-VALVE @2 O - Replaced by -8M0042989
(more info)
    UnavailableUnavailable Parts
LOCK-VALVE Note: must be ordered in multiples of 2 8M0042989 8M0042989
8M0042989OEM Part 8M0042989 - Lock - Valve - Priced Individually (more info) About Mercury Marine $5.04 $5.04 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 816899 RETAINER (16 required per assembly)
RETAINER          O - Replaced by 24-845617A 1  
816899This part has been superseded. RETAINER O - Replaced by 24-845617A 1
(more info)
    UnavailableUnavailable Parts
SPRING KIT        O - Replaced by 24-845617A 2  
24-845617A 1This part has been superseded. SPRING KIT O - Replaced by 24-845617A 2
(more info)
    UnavailableUnavailable Parts
SPRING/RETAINER K 24-845617A 2 24-845617A 2
24-845617A 2OEM Part 24-845617A 2 - Spring Kit (more info) About Mercury Marine $42.83 $42.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 24-816898 SPRING-Valve (16 required per assembly)
SPRING            O - Replaced by 24-845617A 1  
24-816898This part has been superseded. SPRING O - Replaced by 24-845617A 1
(more info)
    UnavailableUnavailable Parts
#14 26-69285 SEAL-Valve (16 required per assembly) .
SEAL Valve 26-69285 26-69285
26-69285OEM Part 26-69285 - Seal - Valve (more info) About Mercury Marine $5.47 $5.47 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 15-54531 SHIM-Valve Spring (AR required per assembly)
SHIM-.015 @2      O - Replaced by 15-845669  
15-54531This part has been superseded. SHIM-.015 @2 O - Replaced by 15-845669
(more info)
    UnavailableUnavailable Parts
SHIM-.015 @2      O  
15-845669 SHIM-.015 @2 O
(more info)
    UnavailableUnavailable Parts
#15 15-77624 SHIM-Valve Spring (AR required per assembly)
SHIM Valve Spring 15-77624  
15-77624OEM Part 15-77624 - Shim -.030 (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 13024 VALVE-Exhaust (STANDARD) (8 required per assembly)
VALVE-EXHAUST     O - Replaced by -843080 13024
13024This part has been superseded. VALVE-EXHAUST O - Replaced by -843080
(more info)
    UnavailableUnavailable Parts
VALVE Exhaust 843080 843080
843080OEM Part 843080 - Exhaust Valve (more info) About Mercury Marine $116.87 $116.87 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 821024 VALVE-Inlet (2.250 Dia.) (Standard) (8 required per assembly)
VALVE-INLET       O - Replaced by -821024T  
821024This part has been superseded. VALVE-INLET O - Replaced by -821024T
(more info)
    UnavailableUnavailable Parts
VALVE Intake 821024T 821024T
821024TOEM Part 821024T - Inlet Valve (more info) About Mercury Marine $80.92 $80.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 848263 PUSH ROD-Valve (INTAKE) (8 required per assembly)
PUSH ROD 848263 848263
848263OEM Part 848263 - Push Rod (more info) About Mercury Marine $24.04 $24.04 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 848266 PUSH ROD-Valve (EXHAUST) (8 required per assembly)
PUSH ROD 848266 848266
848266OEM Part 848266 - Push Rod (more info) About Mercury Marine $24.04 $24.04 Add to shopping cart
Available to order:
Usually ships
within 8 days
#19 49132 GUIDE-Push Rod (8 required per assembly) SERIAL 0C849992-0D725646
GUIDE 49132 49132
49132OEM Part 49132 - Guide (more info) About Mercury Marine $12.25 $12.25 Add to shopping cart
6 in stock. Explain stock levels
#19 811586 GUIDE-Push Rod (8 required per assembly) SERIAL 0D725647-0F213244
GUIDE             O - Replaced by -845707  
811586This part has been superseded. GUIDE O - Replaced by -845707
(more info)
    UnavailableUnavailable Parts
GUIDE             O - Replaced by -881686 845707
845707This part has been superseded. GUIDE O - Replaced by -881686
(more info)
    UnavailableUnavailable Parts
GUIDE 881686 881686
881686OEM Part 881686 - Guide (more info) About Mercury Marine $13.30 $13.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 69304 ARM-Valve Rocker (16 required per assembly)
ROCKER ARM        O - Replaced by -69304T  
69304This part has been superseded. ROCKER ARM O - Replaced by -69304T
(more info)
    UnavailableUnavailable Parts
ROCKER ARM        O NLA 69304T
69304T ROCKER ARM O NLA
(more info)
    UnavailableUnavailable Parts
#21 11-44481 NUT-Valve Rocker Arm (16 required per assembly)
NUT               O - Replaced by 11-848610 11-44481
11-44481This part has been superseded. NUT O - Replaced by 11-848610
(more info)
    UnavailableUnavailable Parts
NUT               O - Replaced by 11-8M0043537 11-848610
11-848610This part has been superseded. NUT O - Replaced by 11-8M0043537
(more info)
    UnavailableUnavailable Parts
NUT-ROCKER        O  
11-8M0043537 NUT-ROCKER O
(more info)
    UnavailableUnavailable Parts
#22 95820 STUD-Valve Rocker Arm (16 required per assembly) SERIAL 0C849992-0D725646
STUD Rocker Arm V 16-95820 16-95820
16-95820OEM Part 16-95820 - Stud (more info) About Mercury Marine $10.00 $10.00 Add to shopping cart
1 in stock. Explain stock levels
#22 16-821836 STUD-Valve Rocker Arm (16 required per assembly) SERIAL 0D725647-0F213244
STUD 16-821836 16-821836
16-821836OEM Part 16-821836 - Stud (more info) About Mercury Marine $24.28 $24.28 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 10-49105 BOLT (4-1/8")-Cylinder Head (24 required per assembly)
SCREW             O - Replaced by 10-845705  
10-49105This part has been superseded. SCREW O - Replaced by 10-845705
(more info)
    UnavailableUnavailable Parts
ORD 8M0102366     O NLA  
10-845705 ORD 8M0102366 O NLA
(more info)
    UnavailableUnavailable Parts
#24 10-49106 1 BOLT (2")-Cylinder Head (8 required per assembly)
SCREW             O - Replaced by 10-845706M 2  
10-49106 1This part has been superseded. SCREW O - Replaced by 10-845706M 2
(more info)
    UnavailableUnavailable Parts
ORD 8M0102366     O NLA  
10-845706M 2 ORD 8M0102366 O NLA
(more info)
    UnavailableUnavailable Parts
#25 938-816778A 3 HEAD ASSY-Cylinder (2 required per assembly) SERIAL 0C849992-0D725646
HEAD ASY-CYLINDER O - Replaced by 938-816778T 3  
938-816778A 3This part has been superseded. HEAD ASY-CYLINDER O - Replaced by 938-816778T 3
(more info)
    UnavailableUnavailable Parts
HEAD ASSEMBLY 938-816778T 3  
938-816778T 3OEM Part 938-816778T 3 - Cylinder Head Assembly (more info) About Mercury Marine $1,946.86 $1,946.86 Add to shopping cart
Available to order:
Usually ships
within 8 days
#25 938-811529 1 HEAD (3/8")-Cylinder (2 required per assembly) SERIAL 0D725647-0F213123
HEAD-CYLINDER     O - Replaced by 938-811529T 1  
938-811529 1This part has been superseded. HEAD-CYLINDER O - Replaced by 938-811529T 1
(more info)
    UnavailableUnavailable Parts
HEAD-CYLINDER     O NLA  
938-811529T 1 HEAD-CYLINDER O NLA
(more info)
    UnavailableUnavailable Parts
#25 938-826363 1 HEAD ASSY (7/16")-Cylinder (2 required per assembly) SERIAL 0F213124-0F213244
HEAD-CYLINDER     O - Replaced by 938-826363T 1  
938-826363 1This part has been superseded. HEAD-CYLINDER O - Replaced by 938-826363T 1
(more info)
    UnavailableUnavailable Parts
CYLINDER HEAD     O NLA  
938-826363T 1 CYLINDER HEAD O NLA
(more info)
    UnavailableUnavailable Parts
#26 27-811207 GASKET-Cylinder Head (2 required per assembly) SERIAL 0C849992-0D725646
GASKET,NLA 27-811207 27-811207
27-811207OEM Part 27-811207 - Gasket, NLA (more info) About Mercury Marine $88.00 $88.00 Add to shopping cart
1 in stock. Explain stock levels
#26 27-811546 GASKET-Cylinder Head (2 required per assembly) SERIAL 0D725647-0F213244
GASKET            O - Replaced by 27-879150139 27-811546
27-811546This part has been superseded. GASKET O - Replaced by 27-879150139
(more info)
    UnavailableUnavailable Parts
GASKET-CYL HEAD 27-879150139 27-879150139
27-879150139OEM Part 27-879150139 - Cylinder Head Gasket (more info) About Mercury Marine $102.50 $87.76 Add to shopping cart
1 in stock. Explain stock levels
Head Gasket 18-3874
18-3874OEM Match 18-3874 - Head Gasket 502 (more info)
Replaces OEM #3853511
About Sierra Marine $126.99 $102.82 Add to shopping cart
Available to order:
Usually ships
within 8 days