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Parts for MerCruiser 3.0L GM 181 I / L4 1990-1994 Exhaust Manifold & Water System (With End Caps) 3.0l Only

#1 99798A18 MANIFOLD ASSEMBLY, Exhaust (1 required per assembly)
MANIFOLD ASSEMBLY O - Replaced by -806867A 2
 

This part has been superseded.

99798A18 - MANIFOLD ASSEMBLY O [ More info ]
Unavailable
Replaced by -806867A 2
MANIFOLD ASSY     O - Replaced by -806867A 8
806867A 2

This part has been superseded.

806867A 2 - MANIFOLD ASSY O [ More info ]
Unavailable
Replaced by -806867A 8
M FOLD ASSY-EXH    - Replaced by -860235A03
806867A 8

This part has been superseded.

806867A 8 - M FOLD ASSY-EXH [ More info ]
Unavailable
Replaced by -860235A03
MANIFOLD ASSEMBLY 860235A03
860235A03

About Mercury Marine

OEM Part

860235A03 - Exhaust Manifold [ More info ]

Add to shopping cart $471.08
In stock Explain stock levels

MANIFOLD
18-1966

About Sierra Marine

OEM Match

18-1966 - Manifold, 4 Bolt Carb Mounting 860235A03 [ More info ]

Add to shopping cart $419.99 $350.60
3 in stock. Explain stock levels

#2 22-32802 PLUG, Pipe (.125-27) (1 required per assembly)
PLUG Pipe (.125-2 O - Replaced by 22-32802  1
 

This part has been superseded.

22-32802 - PLUG Pipe (.125-2 O [ More info ]
Unavailable
Replaced by 22-32802 1
PLUG Pipe (.125-2 O - Replaced by 22-32802  2
 

This part has been superseded.

22-32802 1 - PLUG Pipe (.125-2 O [ More info ]
Unavailable
Replaced by 22-32802 2
PLUG Pipe (.125-27) Bra 22-32802  2
22-32802  2

About Mercury Marine

OEM Part

22-32802 2 - Plug - (brass) - Priced Individually [ More info ]

Add to shopping cart $5.60
4 in stock. Explain stock levels

Pipe Plug, 1/8-27 Npt Pipe
18-4263

About Sierra Marine

OEM Match

18-4263 - Pipe Plug, 1/8-27 NPT Pi [ More info ]

Add to shopping cart $4.49 $3.24
10+ in stock. Explain stock levels

#3 22-36382 FITTING, (.250-18 x .62) Brass (1 required per assembly)
FITTING (.250-18 x .62) 22-36382
22-36382

About Mercury Marine

OEM Part

22-36382 - Plug [ More info ]

Add to shopping cart $4.00
4 in stock. Explain stock levels

Pipe Plug
18-8111

About Sierra Marine

OEM Match

18-8111-9 - Pipe Plug (PK3) [ More info ]

Add to shopping cart $10.77 $7.50
10+ in stock. Explain stock levels

#4 10-52143 SCREW, (.375-16 x 4.750) (5 required per assembly) (Old Design)
SCREW,NLA 10-52143
10-52143

About Mercury Marine

OEM Part

10-52143 - Screw, NLA [ More info ]

Add to shopping cart $3.00
10+ in stock. Explain stock levels

#5 12-20553 WASHER, (.406 x .734 x .063) (5 required per assembly) (Old Design)
WASHER (.406 x .734 x . 12-20553
 

About Mercury Marine

OEM Part

12-20553 - Washer - Priced Individually [ More info ]

Add to shopping cart $1.10
Available to order: Usually ships within 8 days. Explain stock levels

#4 10-53728 SCREW, (.375-16 x 4.75) (3 required per assembly) (New Design)
SCREW (.375-16 x 4.75) 10-53728
10-53728

About Mercury Marine

OEM Part

10-53728 - Screw [ More info ]

Add to shopping cart $3.50
Available to order: Usually ships within 8 days. Explain stock levels

#4A 16-805510 STUD (2 required per assembly) (New Design)
STUD              O - Replaced by 16-806300
 

This part has been superseded.

16-805510 - STUD O [ More info ]
Unavailable
Replaced by 16-806300
STUD (.375 x 5.38 O NLA
 

About Mercury Marine

OEM Part

STUD (.375 x 5.38 O NLA [ More info ]
Unavailable
#5A 11-46335 NUT, (.375-24) (2 required per assembly) (New Design)
NUT (.375-24) 11-46335
11-46335

About Mercury Marine

OEM Part

11-46335 - Nut [ More info ]

Add to shopping cart $2.09
5 in stock. Explain stock levels

#6 60252A 2 END CAP, Connector/Front (1 required per assembly)
END CAP ASSY 60252A 2
60252A 2

About Mercury Marine

OEM Part

60252A 2 - End Cap Assembly [ More info ]

Add to shopping cart $90.09
1 in stock. Explain stock levels

End Plate
18-4009

About Sierra Marine

OEM Match

18-4009 - End Cap, 60252A 2 [ More info ]

Add to shopping cart $79.49 $64.08
5 in stock. Explain stock levels

END PLATE 1-60252
1-60252

About Barr Marine by EDM

OEM Match

1-60252 - End Plate [ More info ]

Add to shopping cart $42.00 $32.80
10+ in stock. Explain stock levels

#7 27-48043 1 GASKET (1 required per assembly)
GASKET Note: must be ordered in multiples of 4 27-48043  1
27-48043  1

About Mercury Marine

OEM Part

27-48043 1 - Gasket - Priced Individually [ More info ]

Add to shopping cart $4.00
Available to order: Usually ships within 8 days. Explain stock levels

#8 10-35386 SCREW, (.312-18 x 1.00) (4 required per assembly)
SCREW (.312-18 x 1.00) 10-35386
10-35386

About Mercury Marine

OEM Part

10-35386 - Screw - Priced Individually [ More info ]

Add to shopping cart $0.80
10+ in stock. Explain stock levels

#9 99179A 1 END CAP/LIFTING EYE, Rear (1 required per assembly)
805629A1 99179A 1
99179A 1

About Mercury Marine

OEM Part

99179A 1 - End Cap Assembly [ More info ]

Add to shopping cart $13.86
1 in stock. Explain stock levels

END CAP/LIFTING EYE 805629A 1
805629A 1

About Mercury Marine

OEM Part

805629A 1 - End Cap [ More info ]

Add to shopping cart $29.00
1 in stock. Explain stock levels

END PLATE 1-99179
1-99179

About Barr Marine by EDM

OEM Match

1-99179 - End Plate [ More info ]

Add to shopping cart $21.00 $16.40
Available to order: Usually ships within 8 days. Explain stock levels

#10 27-73814 1 GASKET (1 required per assembly)
27807218 27-73814  1
27-73814  1

About Mercury Marine

OEM Part

27-73814 1 - Gasket - Priced Individually [ More info ]

Add to shopping cart $2.00
10+ in stock. Explain stock levels

GASKET 27-807218
27-807218

About Mercury Marine

OEM Part

27-807218 - Gasket [ More info ]

Add to shopping cart $3.10
Available to order: Usually ships within 8 days. Explain stock levels

Gasket
18-0928

About Sierra Marine

OEM Match

18-0928-9 - Gasket 27-73814 2-Pack [ More info ]

Add to shopping cart $5.98 $5.40
Available to order: Usually ships within 8 days. Explain stock levels

#11 10-824941 SCREW, (.312-18 x .750) (4 required per assembly)
SCREW (.312-18 x .750) 10-824941
10-824941

About Mercury Marine

OEM Part

10-824941 - Screw [ More info ]

Add to shopping cart $10.80
Available to order: Usually ships within 8 days. Explain stock levels

#12 54-47483 J CLIP (1 required per assembly)
J CLIP 54-47483
 

About Mercury Marine

OEM Part

54-47483 - J Clip [ More info ]

Add to shopping cart $6.20
Available to order: Usually ships within 8 days. Explain stock levels

#13 27-96429 GASKET (1 required per assembly)
GASKET 27-96429
27-96429

About Mercury Marine

OEM Part

27-96429 - Gasket [ More info ]

Add to shopping cart $16.80 $14.39
Available to order: Usually ships within 8 days. Explain stock levels

Gasket, Manifold
18-1204-1-9

About Sierra Marine

OEM Match

18-1204-1-9 - Exhaust Manifold Gasket, 2 Pack [ More info ]

Add to shopping cart $24.98 $20.42
10+ in stock. Explain stock levels

#14 12076A 2 ELBOW ASSEMBLY, Exhaust (1 required per assembly)
ELBOW ASSEMBLY 12076A 2
12076A 2

About Mercury Marine

OEM Part

12076A 2 - Exhaust Elbow [ More info ]

Add to shopping cart $310.84
In stock Explain stock levels

Riser
18-1975-1

About Sierra Marine

OEM Match

18-1975-1 - Riser [ More info ]

Add to shopping cart $249.99 $202.14
9 in stock. Explain stock levels

RISER (21#) MC-20-12076
MC-20-12076

About Barr Marine by EDM

OEM Match

MC-20-12076 - Riser, Gooseneck Shape [ More info ]

Add to shopping cart $225.00 $175.72
3 in stock. Explain stock levels

#15 27-99777 2 GASKET (1 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-99777  2
27-99777  2

About Mercury Marine

OEM Part

27-99777 2 - Gasket - Priced Individually [ More info ]

Add to shopping cart $3.50
10+ in stock. Explain stock levels

GASKET   27 99777Q02
27 99777Q02

About Mercury Marine

OEM Part

27-99777Q02 - Gasket [ More info ]

Add to shopping cart $3.80
Available to order: Usually ships within 8 days. Explain stock levels

#16 10-66863 1 SCREW, (.375-16 x 2.500) (2 required per assembly)
SCREW (.375-16 x 2.500) 10-66863  1
10-66863  1

About Mercury Marine

OEM Part

10-66863 1 - Screw [ More info ]

Add to shopping cart $1.30
Available to order: Usually ships within 8 days. Explain stock levels

#17 32-42850 64 HOSE (.75 Inch I.D.) (1 required per assembly) (With Out Power Steering)
HOSE              O - Replaced by 32-42850 69
 

This part has been superseded.

32-42850 64 - HOSE O [ More info ]
Unavailable
Replaced by 32-42850 69
HOSE (44.00 Inche O - Replaced by 32-8M0062634
32-42850 69

This part has been superseded.

32-42850 69 - HOSE (44.00 Inche O [ More info ]
Unavailable
Replaced by 32-8M0062634
HOSE 44.00 inch Bulk 32-8M0062634
32-8M0062634

About Mercury Marine

OEM Part

32-8M0062634 - Transom TO Thermostat Housing Hose -44I [ More info ]

Add to shopping cart $34.30 $29.37
Available to order: Usually ships within 8 days. Explain stock levels

#18 54-815504412 CLAMP, Worm Gear (2 required per assembly) (With Out Power Steering)
CLAMP Worm Gear 54-815504412
54-815504412

About Mercury Marine

OEM Part

54-815504412 - Clamp [ More info ]

Add to shopping cart $4.80
3 in stock. Explain stock levels

#19 32-815413 HOSE, Cooler to Drive Unit (1 required per assembly)
HOSE 32-815413
32-815413

About Mercury Marine

OEM Part

32-815413 - Hose [ More info ]

Add to shopping cart $26.50
Available to order: Usually ships within 8 days. Explain stock levels

#20 32-815412 HOSE, Cooler to Housing (1 required per assembly)
HOSE 32-815412
32-815412

About Mercury Marine

OEM Part

32-815412 - Hose [ More info ]

Add to shopping cart $53.66
2 in stock. Explain stock levels

#21 54-815504220 CLAMP, Worm Gear (2 required per assembly) (With Power Steering)
CLAMP Worm Gear 54-815504220
54-815504220

About Mercury Marine

OEM Part

54-815504220 - Clamp [ More info ]

Add to shopping cart $5.60
Available to order: Usually ships within 8 days. Explain stock levels

#23 32-99356A 1 COOLER ASSEMBLY, Oil (1 required per assembly) (With Power Steering)
COOLER ASSEMBLY Oil 99356A 1
99356A 1

About Mercury Marine

OEM Part

99356A 1 - Oil Cooler Assembly [ More info ]

Add to shopping cart $330.75 $222.27
2 in stock. Explain stock levels

#24 54-815504336 CLAMP, Worm Gear, Old Design (1 required per assembly) (With Power Steering)
CLAMP,NLA 54-815504336
 

About Mercury Marine

OEM Part

54-815504336 - Clamp, NLA [ More info ]

Add to shopping cart $6.00
10+ in stock. Explain stock levels

#24A 65970T 1 BRACKET, New Design (1 required per assembly) (With Power Steering)
BRACKET 65970T 1
 

About Mercury Marine

OEM Part

65970T 1 - Bracket [ More info ]

Add to shopping cart $11.70
Available to order: Usually ships within 8 days. Explain stock levels

#25 10-41408 SCREW, (#10-32 x 1.50), New Design (1 required per assembly) (With Power Steering)
SCREW (#10-32 x 1.50) 10-41408
10-41408

About Mercury Marine

OEM Part

10-41408 - Screw [ More info ]

Add to shopping cart $2.40
Available to order: Usually ships within 8 days. Explain stock levels

#26 47587A 2 HOUSING ASSEMBLY (1 required per assembly)
HOUSING ASSEMBLY  O - Replaced by -861493A 3
47587A 2

This part has been superseded.

47587A 2 - HOUSING ASSEMBLY O [ More info ]
Unavailable
Replaced by -861493A 3
HOUSING ASSEMBLY  O - Replaced by -861493A07
 

This part has been superseded.

861493A 3 - HOUSING ASSEMBLY O [ More info ]
Unavailable
Replaced by -861493A07
HOUSING-THERMOSTA 861493A07
861493A07

About Mercury Marine

OEM Part

861493A07 - Thermostat Housing [ More info ]

Add to shopping cart $130.67
In stock Explain stock levels

Thermostat Housing
18-1993

About Sierra Marine

OEM Match

18-1993 - Thermostat Housing - End Rise - Special Order - No Returns [ More info ]

Add to shopping cart $264.99 $206.36
In stock - special order item. Explain stock levels

Thermostat Housing Kit
18-1910

About Sierra Marine

OEM Match

18-1910 - Thermostat Housing Kit, 861493A3 [ More info ]

Add to shopping cart $114.99 $95.99
3 in stock. Explain stock levels

T-STAT HOUSING MC-29-60372
MC-29-60372

About Barr Marine by EDM

OEM Match

MC-29-60372 - Thermostat Housing [ More info ]

Add to shopping cart $36.00 $28.12
5 in stock. Explain stock levels

T-STAT HOUSING MC-29-47587
MC-29-47587

About Barr Marine by EDM

OEM Match

MC-29-47587 - Thermostat Housing [ More info ]

Add to shopping cart $40.00 $31.24
6 in stock. Explain stock levels

#27 22-32803 PLUG, Pipe (.375-18) Brass (1 required per assembly)
PLUG Pipe (.375-18) Bra 22-32803
22-32803

About Mercury Marine

OEM Part

22-32803 - Plug [ More info ]

Add to shopping cart $4.80
3 in stock. Explain stock levels

Pipe Plug, 3/8-18 Npt Pipe
18-4264

About Sierra Marine

OEM Match

18-4264 - Pipe Plug, 3/8-18 NPT Pi [ More info ]

Add to shopping cart $3.99 $3.41
2 in stock. Explain stock levels

#29 27-814680 GASKET (1 required per assembly)
GASKET            * - Replaced by 27-814680  1
27-814680

This part has been superseded.

27-814680 - GASKET * [ More info ]
Unavailable
Replaced by 27-814680 1
GASKET 27-814680  1
27-814680  1

About Mercury Marine

OEM Part

27-814680 1 - Thermostat Housing Gasket [ More info ]

Add to shopping cart $2.40
Available to order: Usually ships within 8 days. Explain stock levels

#30 10-90059 SCREW, (.375-16 x .875) (1 required per assembly)
SCREW (.375-16 x .875) 10-90059
10-90059

About Mercury Marine

OEM Part

10-90059 - Screw [ More info ]

Add to shopping cart $2.00
Available to order: Usually ships within 8 days. Explain stock levels

#30 10-90187 SCREW, (.375-16 x 1.250) (1 required per assembly)
SCREW (.375-16 x 1.250) 10-90187
10-90187

About Mercury Marine

OEM Part

10-90187 - Screw [ More info ]

Add to shopping cart $5.40
Available to order: Usually ships within 8 days. Explain stock levels

#31 22-42853 ELBOW (1 required per assembly)
ELBOW             O - Replaced by 22-807705
 

This part has been superseded.

22-42853 - ELBOW O [ More info ]
Unavailable
Replaced by 22-807705
ELBOW 22-807705
22-807705

About Mercury Marine

OEM Part

22-807705 - Elbow [ More info ]

Add to shopping cart $17.90 $15.33
Available to order: Usually ships within 8 days. Explain stock levels

#32 59078 THERMOSTAT (1 required per assembly)
THERMOSTAT 59078
59078

About Mercury Marine

OEM Part

59078 - Thermostat -140 [ More info ]

Add to shopping cart $20.58
Available to order: Usually ships within 8 days. Explain stock levels

Thermostat (140)
18-3550

About Sierra Marine

OEM Match

18-3550 - Thermostat 59078 [ More info ]

Add to shopping cart $19.99 $16.32
10+ in stock. Explain stock levels

THERMOSTAT Note: must be ordered in multiples of 2      59078Q 3
59078Q 3

About Mercury Marine

OEM Part

59078Q 3 - Thermostat - Priced Individually [ More info ]

Add to shopping cart $18.93
Available to order: Usually ships within 8 days. Explain stock levels

#33 27-47590 1 GASKET (1 required per assembly)
GASKET Note: must be ordered in multiples of 5 27-47590  1
27-47590  1

About Mercury Marine

OEM Part

27-47590 1 - Gasket - Priced Individually [ More info ]

Add to shopping cart $3.10
10+ in stock. Explain stock levels

GASKET   27 47590Q01
27 47590Q01

About Mercury Marine

OEM Part

27-47590Q01 - Gasket [ More info ]

Add to shopping cart $2.50
Available to order: Usually ships within 8 days. Explain stock levels

#34 60372A 2 COVER ASSEMBLY (1 required per assembly)
COVER ASSEMBLY    O - Replaced by -47587A 2
60372A 2

This part has been superseded.

60372A 2 - COVER ASSEMBLY O [ More info ]
Unavailable
Replaced by -47587A 2
#35 10-79654 SCREW, (.312-18 x 2.380) (2 required per assembly)
SCREW (.312-18 x 2.380) 10-79654
10-79654

About Mercury Marine

OEM Part

10-79654 - Screw [ More info ]

Add to shopping cart $2.20
Available to order: Usually ships within 8 days. Explain stock levels

#36 12423 LIFTING EYE (1 required per assembly)
54805628T 12423
 

About Mercury Marine

OEM Part

12423 - Lifting Eye [ More info ]

Add to shopping cart $2.80
1 in stock. Explain stock levels

LIFTING EYE Note: must be ordered in multiples of 2,NLA 54-805628T
 

About Mercury Marine

OEM Part

54-805628T - Lifting Eye - Priced Individually, NLA [ More info ]

Add to shopping cart $6.00
2 in stock. Explain stock levels

#37 32-52481 HOSE, Housing to End Cap/Connector (1 required per assembly)
HOSE 32-52481
32-52481

About Mercury Marine

OEM Part

32-52481 - Hose [ More info ]

Add to shopping cart $35.90 $30.74
Available to order: Usually ships within 8 days. Explain stock levels

Molded Hose
18-70930

About Sierra Marine

OEM Match

18-70930 - Hose, 32-52481 [ More info ]

Add to shopping cart $26.99 $22.05
1 in stock. Explain stock levels

#39 32-96879 HOSE, Housing to Water Pump (1 required per assembly)
HOSE              O - Replaced by 32-8M0071007
32-96879

This part has been superseded.

32-96879 - HOSE O [ More info ]
Unavailable
Replaced by 32-8M0071007
HOSE 32-8M0071007
32-8M0071007

About Mercury Marine

OEM Part

32-8M0071007 - Hose [ More info ]

Add to shopping cart $37.90 $32.46
Available to order: Usually ships within 8 days. Explain stock levels

Molded Hose
18-70931

About Sierra Marine

OEM Match

18-70931 - Hose, 32-96879, 311075 [ More info ]

Add to shopping cart $28.99 $23.32
1 in stock. Explain stock levels

#40 54-815504232 CLAMP, Worm Gear (2.50 Diameter) (2 required per assembly)
CLAMP Worm Gear (2.50 D 54-815504232
54-815504232

About Mercury Marine

OEM Part

54-815504232 - Clamp [ More info ]

Add to shopping cart $6.40 $4.32
10+ in stock. Explain stock levels