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Parts for Mercury Marine 90 HP (4-STROKE) Cylinder Head

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 804109T 4 CYLINDER HEAD (1 required per assembly) (Use PN 804127-1 Thermostat Cover and PN 855676-1 Thermostat to service this Cylinder Head)
HEAD ASY-CYLINDER O - Replaced by -8M0057170  
804109T 4This part has been superseded. HEAD ASY-CYLINDER O - Replaced by -8M0057170
(more info)
    UnavailableUnavailable Parts
HEAD-CYLINDER     O NLA  
8M0057170 HEAD-CYLINDER O NLA
(more info)
    UnavailableUnavailable Parts
#2 17-804110 PIN, Guide (16 required per assembly)
GUIDE,NLA 17-804110  
17-804110OEM Part 17-804110 - Guide, NLA (more info) About Mercury Marine $16.00 $16.00 Add to shopping cart
10+ in stock. Explain stock levels
#3 19-804111 PLUG (4 required per assembly)
PLUG,NLA 19-804111  
19-804111OEM Part 19-804111 - Plug, NLA (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels
#4 10-804112 BOLT, (M7 x 48) (4 required per assembly)
BOLT 10-804112 10-804112
10-804112OEM Part 10-804112 - Bolt (more info) About Mercury Marine $1.10 $1.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 17-804113 PIN, Dowel (4 required per assembly)
PIN-DOWEL 17-804113  
17-804113OEM Part 17-804113 - Pin -Dowel (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 10-804114 BOLT, (M7 x 37) (16 required per assembly)
BOLT 10-804114 10-804114
10-804114OEM Part 10-804114 - Bolt (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 10-825501 BOLT, (M6 x 25) (2 required per assembly)
BOLT              O - Replaced by 10-824832  6  
10-825501This part has been superseded. BOLT O - Replaced by 10-824832 6
(more info)
    UnavailableUnavailable Parts
SCREW 10-824832  6 10-824832  6
10-824832 6OEM Part 10-824832 6 - Screw (more info) About Mercury Marine $1.20 $1.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 804127 THERMOSTAT COVER (1 required per assembly) (Use with 804109T2 Cylinder Head Only) SN# 0T178499 & Below
COVER 804127 804127
804127OEM Part 804127 - Cover (more info) About Mercury Marine $11.08 $11.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 804127 1 THERMOSTAT COVER (1 required per assembly) (Use with 804109T4 Cylinder Head) SN# 0T178500 & Up
COVER 804127  1 804127  1
804127 1OEM Part 804127 1 - Cover (more info) About Mercury Marine $11.67 $11.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 855676 THERMOSTAT, (60C/140F) (1 required per assembly) (Use with 804109T2 Cylinder Head Only) SN# 0T178499 & Below
THERMOSTAT        O - Replaced by -855676003 855676
855676This part has been superseded. THERMOSTAT O - Replaced by -855676003
(more info)
    UnavailableUnavailable Parts
ORD 855676A 1     O NLA 855676003
855676003 ORD 855676A 1 O NLA
(more info)
    UnavailableUnavailable Parts
#9 855676 1 THERMOSTAT, 60°C (140°F) (1 required per assembly) (Use with 804109T4 Cylinder Head) SN# 0T178500 & Up
THERMOSTAT 855676  1 855676  1
855676 1OEM Part 855676 1 - Thermostat (more info) About Mercury Marine $58.00 $58.00 Add to shopping cart
10+ in stock. Explain stock levels
#10 10-881311 BOLT, (M10 x 145) (10 required per assembly)
BOLT 10-881311 10-881311
10-881311OEM Part 10-881311 - Bolt (more info) About Mercury Marine $13.60 $13.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 33-859495 SPARK PLUG, (NGK-LFR5A-11) (4 required per assembly)
PG LFR5A-11 @10   O - Replaced by 33-859495Q 33-859495
33-859495This part has been superseded. PG LFR5A-11 @10 O - Replaced by 33-859495Q
(more info)
    UnavailableUnavailable Parts
PG LFR5A-11 Note: must be ordered in multiples of 10 33-859495Q 33-859495Q
33-859495QOEM Part 33-859495Q - Pg LFR5A-11 - Priced individually (more info) About Mercury Marine $11.42 $11.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 10-827207 BOLT, (M8 x 25) (4 required per assembly)
BOLT 10-827207 10-827207
10-827207OEM Part 10-827207 - Bolt (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 10-852474 1 BOLT, (M6 x 20) (2 required per assembly)
BOLT 10-852474  1 10-852474  1
10-852474 1OEM Part 10-852474 1 - Bolt (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
2 in stock. Explain stock levels
#14 804085 COVER (2 required per assembly)
ORD 804085A01     O NLA  
804085 ORD 804085A01 O NLA
(more info)
    UnavailableUnavailable Parts
#15 25-804086 GROMMET (2 required per assembly)
GROMMET 25-804086  
25-804086OEM Part 25-804086 - Grommet (more info) About Mercury Marine $6.00 $6.00 Add to shopping cart
5 in stock. Explain stock levels
#16 804079 ANODE (2 required per assembly)
ANODE             O - Replaced by -804079001  
804079This part has been superseded. ANODE O - Replaced by -804079001
(more info)
    UnavailableUnavailable Parts
ORD 887847A01     O NLA 804079001
804079001 ORD 887847A01 O NLA
(more info)
    UnavailableUnavailable Parts
#17 23-804116 COLLAR (2 required per assembly)
COLLAR            O  
23-804116 COLLAR O
(more info)
    UnavailableUnavailable Parts
#18 27-804115 1 GASKET (1 required per assembly)
GASKET 27-804115  1 27-804115  1
27-804115 1OEM Part 27-804115 1 - Gasket (more info) About Mercury Marine $121.50 $121.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#19 10-831247 14 BOLT (4 required per assembly)
SCREW 10-831247 14 10-831247 14
10-831247 14OEM Part 10-831247 14 - Screw (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
2 in stock. Explain stock levels
#20 12-831246 WASHER, Sealing (4 required per assembly)
WASHER 12-831246  
12-831246OEM Part 12-831246 - Washer (more info) About Mercury Marine $1.60 $0.90 Add to shopping cart
10+ in stock. Explain stock levels
#21 10-881312 BOLT, (M8 x 55) (5 required per assembly)
BOLT 10-881312 10-881312
10-881312OEM Part 10-881312 - Bolt (more info) About Mercury Marine $3.40 $3.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#22 27-804123 GASKET (1 required per assembly)
GASKET 27-804123 27-804123
27-804123OEM Part 27-804123 - Gasket (more info) About Mercury Marine $51.92 $51.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 804118T 2 COVER KIT (1 required per assembly) SN# 0T408999 & Below
COVER 804118T 2 804118T 2
804118T 2OEM Part 804118T 2 - Cover (more info) About Mercury Marine $188.67 $188.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 881313T 1 COVER KIT (1 required per assembly) SN# 0T409000 & Up
COVER 881313T 1 881313T 1
881313T 1OEM Part 881313T 1 - Cover (more info) About Mercury Marine $241.67 $241.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 804119 COVER, Breather (1 required per assembly)
COVER 804119 804119
804119OEM Part 804119 - Cover (more info) About Mercury Marine $10.08 $10.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#25 10-804120 SCREW, (M4 x 8) (8 required per assembly)
SCREW 10-804120 10-804120
10-804120OEM Part 10-804120 - Screw (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
2 in stock. Explain stock levels
#26 22-804122 NIPPLE (1 required per assembly) SN# 0T178499 & Below
NIPPLE,NLA 22-804122  
22-804122- Nipple, NLAOEM Part 22-804122- Nipple, NLA (more info) About Mercury Marine $22.50 $22.50 Add to shopping cart
10+ in stock. Explain stock levels
#27 10-858530 BOLT, (M6 x 30) (14 required per assembly)
BOLT 10-858530 10-858530
10-858530OEM Part 10-858530 - Bolt (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
1 in stock. Explain stock levels
#28 859578A 1 PLUG ASSEMBLY, Oil (1 required per assembly)
PLUG ASSY-OIL 859578A 1 859578A 1
859578A 1OEM Part 859578A 1 - Oil Plug Assembly (more info) About Mercury Marine $5.10 $5.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#29 NSS NOT SOLD SEPARATE, O-Ring (1 required per assembly)
#30 25-855690 GROMMET (2 required per assembly)
GROMMET 25-855690  
25-855690OEM Part 25-855690 - Grommet (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 858752 COVER (1 required per assembly)
COVER             O - Replaced by -858752001  
858752This part has been superseded. COVER O - Replaced by -858752001
(more info)
    UnavailableUnavailable Parts
COVER 858752001 858752001
858752001OEM Part 858752001 - Cover (more info) About Mercury Marine $22.17 $22.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
#32 10-19937 16 SCREW, (M6 x 16) (5 required per assembly)
SCREW 10-19937 16 10-19937 16
10-19937 16OEM Part 10-19937 16 - Screw (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 804109T 3 CYLINDER HEAD ASSEMBLY (1 required per assembly)
HEAD ASY-CYLINDER O - Replaced by -804109T07  
804109T 3This part has been superseded. HEAD ASY-CYLINDER O - Replaced by -804109T07
(more info)
    UnavailableUnavailable Parts
CYLINDER HEAD     O - Replaced by -804109T08  
804109T07This part has been superseded. CYLINDER HEAD O - Replaced by -804109T08
(more info)
    UnavailableUnavailable Parts
HEAD ASY-CYLINDER 804109T08  
804109T08OEM Part 804109T08 - Cylinder Head (more info) About Mercury Marine $5,250.00 $5,250.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 27-804345A02 GASKET SET, Powerhead (1 required per assembly)
GASKET SET 27-804345A02  
27-804345A02OEM Part 27-804345A02 - Gasket Set (more info) About Mercury Marine $346.83 $346.83 Add to shopping cart
Available to order:
Usually ships
within 8 days