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Parts for Mercury Mariner Racing Mercury Formula I (Carburetor) Exhaust Manifold

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 27-90484 GASKET, DIVIDER PLATE (2 required per assembly)
GASKET @2         O - Replaced by 27-90484  1 27-90484
27-90484This part has been superseded. GASKET @2 O - Replaced by 27-90484 1
(more info)
    UnavailableUnavailable Parts
GASKET Note: must be ordered in multiples of 2 27-90484  1 27-90484 1
27-90484 1OEM Part 27-90484 1 - Gasket - Priced Individually (more info) About Mercury Marine $12.60 $12.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 99169 PLATE, DIVIDER (1 required per assembly)
PLATE             O - Replaced by -99169A 1  
99169This part has been superseded. PLATE O - Replaced by -99169A 1
(more info)
    UnavailableUnavailable Parts
PLATE 99169A 1 99169A 1
99169A 1OEM Part 99169A 1 - Exhaust Divider Plate, NLA (more info) About Mercury Marine $161.75 $161.75 Add to shopping cart
3 in stock. Explain stock levels
#3 69668 SEAL, DIVIDER PLATE (1 required per assembly)
26814754 69668 69668
69668OEM Part 69668 - Seal (more info) About Mercury Marine $3.40 $3.40 Add to shopping cart
2 in stock. Explain stock levels
SEAL (12.50 Inche 26-814754 26-814754
26-814754OEM Part 26-814754 - Seal (more info) About Mercury Marine $7.30 $7.30 Add to shopping cart
2 in stock. Explain stock levels
Seal, Divider Plate 18-8305
18-8305OEM Match 18-8305 - Seal, 26-814754 (more info) About Sierra Marine $12.99 $9.91 Add to shopping cart
2 in stock. Explain stock levels
#4 95067 COVER, EXHAUST MANIFOLD (1 required per assembly)
COVER 95067 95067
95067OEM Part 95067 - Cover (more info) About Mercury Marine $112.92 $112.92 Add to shopping cart
1 in stock. Explain stock levels
#5 10-74824 SCREW, COVER AND PLATE TO CYLINDER BLOCK (1-1/4") (21 required per assembly)
SCREW (.312-18 x 10-74824 10-74824
10-74824OEM Part 10-74824 - Screw - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 78443 COVER, RELIEF VALVE (1 required per assembly)
COVER             O NLA  
78443 COVER O NLA
(more info)
    UnavailableUnavailable Parts
#7 10-37562 SCREW, COVER TO CYLINDER BLOCK (1") (4 required per assembly)
SCREW (.312-18 x 10-37562 10-37562
10-37562OEM Part 10-37562 - Screw - Priced Individually (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#8 27-78690 GASKET, RELIEF VALVE PLATE (1 required per assembly)
GASKET @2         O - Replaced by 27-78690002 27-78690
27-78690This part has been superseded. GASKET @2 O - Replaced by 27-78690002
(more info)
    UnavailableUnavailable Parts
GASKET Note: must be ordered in multiples of 2 27-78690002 27-78690002
27-78690002OEM Part 27-78690002 - Gasket - Priced Individually (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
4 in stock. Explain stock levels
Gasket 18-0936-9
18-0936-9OEM Match 18-0936-9 - Gasket 27-78690 2-Pack (more info) About Sierra Marine $5.98 $3.34 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 27-75909 GASKET, EXHAUST PLATE (1 required per assembly)
GASKET 27-75909 27-75909
27-75909OEM Part 27-75909 - Gasket (more info) About Mercury Marine $12.60 $12.60 Add to shopping cart
10+ in stock. Explain stock levels
Gasket 18-0369
18-0369OEM Match 18-0369 - Gasket, 27-75909 (more info) About Sierra Marine $12.99 $9.78 Add to shopping cart
1 in stock. Explain stock levels
#10 78446A 1 PLATE ASSEMBLY, EXHAUST (1 required per assembly)
PLATE ASSY        O - Replaced by -78446A 4  
78446A 1This part has been superseded. PLATE ASSY O - Replaced by -78446A 4
(more info)
    UnavailableUnavailable Parts
PLATE EXH 2.0     O - Replaced by -816731A 2  
78446A 4This part has been superseded. PLATE EXH 2.0 O - Replaced by -816731A 2
(more info)
    UnavailableUnavailable Parts
EXH EXT ASSY 2.0  O - Replaced by -822770A 2  
816731A 2This part has been superseded. EXH EXT ASSY 2.0 O - Replaced by -822770A 2
(more info)
    UnavailableUnavailable Parts
EXH EXT PLATE ASY O NLA  
822770A 2 EXH EXT PLATE ASY O NLA
(more info)
    UnavailableUnavailable Parts
#11 26-38970 SEAL, WATER TUBE (1 required per assembly)
SEAL Note: must be ordered in multiples of 5 26-38970 26-38970
26-38970OEM Part 26-38970 - Seal - Priced Individually (more info) About Mercury Marine $3.40 $3.40 Add to shopping cart
10+ in stock. Explain stock levels
Bushing/Water Pump Housing 18-3110
18-3110OEM Match 18-3110 - Seal, 26-38970 (more info) About Sierra Marine $3.49 $2.40 Add to shopping cart
10+ in stock. Explain stock levels
#12 12-25970 WASHER, POWERHEAD STUDS (8 required per assembly)
WASHER            O - Replaced by 12-20553  
12-25970This part has been superseded. WASHER O - Replaced by 12-20553
(more info)
    UnavailableUnavailable Parts
WASHER (.406 x .7 12-20553  
12-20553OEM Part 12-20553 - Washer - Priced Individually (more info) About Mercury Marine $1.10 $1.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 11-23161 NUT, POWERHEAD STUDS (8 required per assembly)
NUT (.375-24) 11-23161 11-23161
11-23161OEM Part 11-23161 - Nut - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
10+ in stock. Explain stock levels
#14 10-77526 SCREW (2 required per assembly)
SCREW             O - Replaced by 10-818219  
10-77526This part has been superseded. SCREW O - Replaced by 10-818219
(more info)
    UnavailableUnavailable Parts
SCREW             O NLA  
10-818219 SCREW O NLA
(more info)
    UnavailableUnavailable Parts