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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

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 99798A18 MANIFOLD ASSEMBLY, Exhaust (1 required per assembly)
MANIFOLD KIT-EXH  O - Replaced by -806867A 2  
99798A18This part has been superseded. MANIFOLD KIT-EXH O - Replaced by -806867A 2
(more info)
    UnavailableUnavailable Parts
MANIFOLD ASSY     O - Replaced by -806867A 8 806867A 2
806867A 2This part has been superseded. MANIFOLD ASSY O - Replaced by -806867A 8
(more info)
    UnavailableUnavailable Parts
M FOLD ASSY-EXH    - Replaced by -860235A03 806867A 8
806867A 8This part has been superseded. M FOLD ASSY-EXH - Replaced by -860235A03
(more info)
    UnavailableUnavailable Parts
MANIFOLD ASSEMBLY 860235A03 860235A03
860235A03OEM Part 860235A03 - Exhaust Manifold (more info) About Mercury Marine $458.25 $458.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
MANIFOLD 18-1966
18-1966OEM Match 18-1966 - Manifold, 4 Bolt Carb Mounting 860235A03 (more info) About Sierra Marine $419.99 $350.60 Add to shopping cart
1 in stock. Explain stock levels
#2 22-32802 PLUG, Pipe (.125-27) (1 required per assembly)
PLUG @2           O - Replaced by 22-32802  1  
22-32802This part has been superseded. PLUG @2 O - Replaced by 22-32802 1
(more info)
    UnavailableUnavailable Parts
PLUG-(BRASS)@2    O - Replaced by 22-32802  2  
22-32802 1This part has been superseded. PLUG-(BRASS)@2 O - Replaced by 22-32802 2
(more info)
    UnavailableUnavailable Parts
PLUG Pipe (.125-2 22-32802  2 22-32802 2
22-32802 2OEM Part 22-32802 2 - Plug - (brass) - Priced Individually (more info) About Mercury Marine $5.50 $5.50 Add to shopping cart
8 in stock. Explain stock levels
Pipe Plug, 1/8-27 Npt Pipe 18-4263
18-4263OEM Match 18-4263 - Pipe Plug, 1/8-27 NPT Pi (more info) About Sierra Marine $4.49 $3.24 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 22-36382 FITTING, (.250-18 x .62) Brass (1 required per assembly)
FITTING (.250-18 22-36382 22-36382
22-36382OEM Part 22-36382 - Plug (more info) About Mercury Marine $3.90 $3.90 Add to shopping cart
2 in stock. Explain stock levels
Pipe Plug 18-8111-9
18-8111-9OEM Match 18-8111-9 - Pipe Plug (PK3) (more info) About Sierra Marine $10.77 $7.50 Add to shopping cart
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
10-52143OEM Part 10-52143 - Screw, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
10+ in stock. Explain stock levels
#5 12-20553 WASHER, (.406 x .734 x .063) (5 required per assembly) (Old Design)
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
#4 10-53728 SCREW, (.375-16 x 4.75) (3 required per assembly) (New Design)
SCREW (.375-16 x 10-53728 10-53728
10-53728OEM Part 10-53728 - Screw (more info) About Mercury Marine $3.40 $3.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4A 16-805510 STUD (2 required per assembly) (New Design)
STUD              O - Replaced by 16-806300  
16-805510This part has been superseded. STUD O - Replaced by 16-806300
(more info)
    UnavailableUnavailable Parts
ORD 16-8M2010364  O NLA  
16-806300 ORD 16-8M2010364 O NLA
(more info)
    UnavailableUnavailable Parts
#5A 11-46335 NUT, (.375-24) (2 required per assembly) (New Design)
NUT (.375-24) 11-46335 11-46335
11-46335OEM Part 11-46335 - Nut (more info) About Mercury Marine $2.07 $2.07 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 60252A 2 END CAP, Connector/Front (1 required per assembly)
END CAP ASSY 60252A 2 60252A 2
60252A 2OEM Part 60252A 2 - End Cap Assembly (more info) About Mercury Marine $87.92 $87.92 Add to shopping cart
1 in stock. Explain stock levels
End Plate 18-4009
18-4009OEM Match 18-4009 - End Cap, 60252A 2 (more info)
Replaces OEM #0910384
About Sierra Marine $79.49 $64.08 Add to shopping cart
3 in stock. Explain stock levels
END PLATE 1-60252 1-60252
1-60252OEM Match 1-60252 - End Plate (more info) About Barr Marine by EDM $42.00 $32.80 Add to shopping cart
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
27-48043 1OEM Part 27-48043 1 - Gasket - Priced Individually (more info) About Mercury Marine $3.90 $3.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 10-35386 SCREW, (.312-18 x 1.00) (4 required per assembly)
SCREW (.312-18 x 10-35386 10-35386
10-35386OEM Part 10-35386 - Screw - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#9 99179A 1 END CAP/LIFTING EYE, Rear (1 required per assembly)
805629A1 99179A 1 99179A 1
99179A 1OEM Part 99179A 1 - End Cap Assembly (more info) About Mercury Marine $13.86 $13.86 Add to shopping cart
1 in stock. Explain stock levels
END CAP/LIFTING E 805629A 1 805629A 1
805629A 1OEM Part 805629A 1 - End Cap (more info) About Mercury Marine $28.33 $28.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
END PLATE 1-99179 1-99179
1-99179OEM Match 1-99179 - End Plate (more info) About Barr Marine by EDM $21.00 $16.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 27-73814 1 GASKET (1 required per assembly)
27807218 27-73814  1 27-73814 1
27-73814 1OEM Part 27-73814 1 - Gasket - Priced Individually (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
GASKET 27-807218 27-807218
27-807218OEM Part 27-807218 - Gasket (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
Gasket 18-0928-9
18-0928-9OEM Match 18-0928-9 - Gasket 27-73814 2-Pack (more info) About Sierra Marine $5.98 $5.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 10-824941 SCREW, (.312-18 x .750) (4 required per assembly)
SCREW (.312-18 x 10-824941 10-824941
10-824941OEM Part 10-824941 - Screw (more info) About Mercury Marine $10.50 $10.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 54-47483 J CLIP (1 required per assembly)
J CLIP 54-47483  
54-47483OEM Part 54-47483 - J Clip (more info) About Mercury Marine $6.20 $6.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 27-96429 GASKET (1 required per assembly)
GASKET 27-96429 27-96429
27-96429OEM Part 27-96429 - Gasket (more info) About Mercury Marine $16.40 $14.04 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 12076A 2 ELBOW ASSEMBLY, Exhaust (1 required per assembly)
ELBOW ASSEMBLY 12076A 2 12076A 2
12076A 2OEM Part 12076A 2 - Exhaust Elbow (more info) About Mercury Marine $299.17 $299.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
Riser 18-1975-1
18-1975-1OEM Match 18-1975-1 - Riser (more info) About Sierra Marine $249.99 $202.14 Add to shopping cart
4 in stock. Explain stock levels
RISER (21#) MC-20-12076 MC-20-12076
MC-20-12076OEM Match MC-20-12076 - Riser, Gooseneck Shape (more info) About Barr Marine by EDM $225.00 $175.72 Add to shopping cart
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
27-99777 2OEM Part 27-99777 2 - Gasket - Priced Individually (more info) About Mercury Marine $3.40 $3.40 Add to shopping cart
10+ in stock. Explain stock levels
GASKET   27 99777Q02 27-99777Q02
27-99777Q02OEM Part 27-99777Q02 - Gasket (more info) About Mercury Marine $3.70 $3.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 10-66863 1 SCREW, (.375-16 x 2.500) (2 required per assembly)
SCREW (.375-16 x 10-66863  1 10-66863  1
10-66863 1OEM Part 10-66863 1 - Screw (more info) About Mercury Marine $1.30 $1.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 32-42850 64 HOSE (.75 Inch I.D.) (1 required per assembly) (With Out Power Steering)
HOSE-34.5 INCH    O - Replaced by 32-42850 69  
32-42850 64This part has been superseded. HOSE-34.5 INCH O - Replaced by 32-42850 69
(more info)
    UnavailableUnavailable Parts
HOSE-44 INCH      O - Replaced by 32-8M0062634 32-42850 69
32-42850 69This part has been superseded. HOSE-44 INCH O - Replaced by 32-8M0062634
(more info)
    UnavailableUnavailable Parts
HOSE 44.00 inch B 32-8M0062634 32-8M0062634
32-8M0062634OEM Part 32-8M0062634 - Transom TO Thermostat Housing Hose -44I (more info) About Mercury Marine $33.50 $28.69 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 54-815504412 CLAMP, Worm Gear (2 required per assembly) (With Out Power Steering)
CLAMP Worm Gear 54-815504412 54-815504412
54-815504412OEM Part 54-815504412 - Clamp (more info) About Mercury Marine $4.70 $4.70 Add to shopping cart
1 in stock. Explain stock levels
#19 32-815413 HOSE, Cooler to Drive Unit (1 required per assembly)
HOSE 32-815413 32-815413
32-815413OEM Part 32-815413 - Hose (more info) About Mercury Marine $25.25 $25.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 32-815412 HOSE, Cooler to Housing (1 required per assembly)
HOSE 32-815412 32-815412
32-815412OEM Part 32-815412 - Hose (more info) About Mercury Marine $52.33 $52.33 Add to shopping cart
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
54-815504220OEM Part 54-815504220 - Clamp (more info) About Mercury Marine $5.40 $5.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 32-99356A 1 COOLER ASSEMBLY, Oil (1 required per assembly) (With Power Steering)
COOLER ASSEMBLY O 99356A 1 99356A 1
99356A 1OEM Part 99356A 1 - Oil Cooler Assembly (more info) About Mercury Marine $319.58 $319.58 Add to shopping cart
1 in stock. Explain stock levels
#24 54-815504336 CLAMP, Worm Gear, Old Design (1 required per assembly) (With Power Steering)
CLAMP,NLA 54-815504336  
54-815504336OEM Part 54-815504336 - Clamp, NLA (more info) About Mercury Marine $6.00 $6.00 Add to shopping cart
10+ in stock. Explain stock levels
#24A 65970T 1 BRACKET, New Design (1 required per assembly) (With Power Steering)
BRACKET 65970T 1  
65970T 1OEM Part 65970T 1 - Bracket (more info) About Mercury Marine $11.30 $11.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#25 10-41408 SCREW, (#10-32 x 1.50), New Design (1 required per assembly) (With Power Steering)
SCREW (#10-32 x 1 10-41408 10-41408
10-41408OEM Part 10-41408 - Screw (more info) About Mercury Marine $2.30 $2.30 Add to shopping cart
1 in stock. Explain stock levels
#26 47587A 2 HOUSING ASSEMBLY (1 required per assembly)
HSG ASSY-THERMO   O - Replaced by -861493A 3 47587A 2
47587A 2This part has been superseded. HSG ASSY-THERMO O - Replaced by -861493A 3
(more info)
    UnavailableUnavailable Parts
HSG ASSY-THERMO   O - Replaced by -861493A07  
861493A 3This part has been superseded. HSG ASSY-THERMO O - Replaced by -861493A07
(more info)
    UnavailableUnavailable Parts
HOUSING-THERMOSTA 861493A07 861493A07
861493A07OEM Part 861493A07 - Thermostat Housing (more info) About Mercury Marine $127.50 $127.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
Thermostat Housing 18-1993
18-1993OEM Match 18-1993 - Thermostat Housing - End Rise - Special Order - No Returns (more info) About Sierra Marine $264.99 $206.36 Add to shopping cart
In stock - special order item. Explain stock levels
Thermostat Housing Kit 18-1910
18-1910OEM Match 18-1910 - Thermostat Housing Kit, 861493A3 (more info) About Sierra Marine $114.99 $95.99 Add to shopping cart
1 in stock. Explain stock levels
T-STAT HOUSING MC-29-60372 MC-29-60372
MC-29-60372OEM Match MC-29-60372 - Thermostat Housing (more info) About Barr Marine by EDM $36.00 $28.12 Add to shopping cart
3 in stock. Explain stock levels
T-STAT HOUSING MC-29-47587 MC-29-47587
MC-29-47587OEM Match MC-29-47587 - Thermostat Housing (more info) About Barr Marine by EDM $40.00 $31.24 Add to shopping cart
8 in stock. Explain stock levels
#27 22-32803 PLUG, Pipe (.375-18) Brass (1 required per assembly)
PLUG Pipe (.375-1 22-32803 22-32803
22-32803OEM Part 22-32803 - Plug (more info) About Mercury Marine $4.70 $4.70 Add to shopping cart
3 in stock. Explain stock levels
Pipe Plug, 3/8-18 Npt Pipe 18-4264
18-4264OEM Match 18-4264 - Pipe Plug, 3/8-18 NPT Pi (more info) About Sierra Marine $3.99 $3.41 Add to shopping cart
Available to order:
Usually ships
within 8 days
#29 27-814680 GASKET (1 required per assembly)
GASKET            * - Replaced by 27-814680  1 27-814680
27-814680This part has been superseded. GASKET * - Replaced by 27-814680 1
(more info)
    UnavailableUnavailable Parts
GASKET 27-814680  1 27-814680  1
27-814680 1OEM Part 27-814680 1 - Thermostat Housing Gasket (more info) About Mercury Marine $2.30 $2.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#30 10-90059 SCREW, (.375-16 x .875) (1 required per assembly)
SCREW (.375-16 x 10-90059 10-90059
10-90059OEM Part 10-90059 - Screw (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#30 10-90187 SCREW, (.375-16 x 1.250) (1 required per assembly)
SCREW (.375-16 x 10-90187 10-90187
10-90187OEM Part 10-90187 - Screw (more info) About Mercury Marine $5.20 $5.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 22-42853 ELBOW (1 required per assembly)
ELBOW             O - Replaced by 22-807705  
22-42853This part has been superseded. ELBOW O - Replaced by 22-807705
(more info)
    UnavailableUnavailable Parts
ELBOW 22-807705 22-807705
22-807705OEM Part 22-807705 - Elbow (more info) About Mercury Marine $17.30 $14.81 Add to shopping cart
Available to order:
Usually ships
within 8 days
#32 59078 THERMOSTAT (1 required per assembly)
THERMOSTAT 59078 59078
59078OEM Part 59078 - Thermostat -140 (more info) About Mercury Marine $20.00 $20.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
Thermostat (140) 18-3550
18-3550OEM Match 18-3550 - Thermostat 59078 (more info) About Sierra Marine $19.99 $16.32 Add to shopping cart
1 in stock. Explain stock levels
THERMOSTAT Note: must be ordered in multiples of 2      59078Q 3 59078Q 3
59078Q 3OEM Part 59078Q 3 - Thermostat - Priced Individually (more info) About Mercury Marine $18.51 $18.51 Add to shopping cart
Available to order:
Usually ships
within 8 days
#33 27-47590 1 GASKET (1 required per assembly)
GASKET Note: must be ordered in multiples of 5 27-47590  1 27-47590 1
27-47590 1OEM Part 27-47590 1 - Gasket - Priced Individually (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10 in stock. Explain stock levels
GASKET   27 47590Q01 27-47590Q01
27-47590Q01OEM Part 27-47590Q01 - Gasket (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#34 60372A 2 COVER ASSEMBLY (1 required per assembly)
COVER ASSY-THERMO O - Replaced by -47587A 2 60372A 2
60372A 2This part has been superseded. COVER ASSY-THERMO O - Replaced by -47587A 2
(more info)
    UnavailableUnavailable Parts
#35 10-79654 SCREW, (.312-18 x 2.380) (2 required per assembly)
SCREW (.312-18 x 10-79654 10-79654
10-79654OEM Part 10-79654 - Screw (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#36 12423 LIFTING EYE (1 required per assembly)
54805628T 12423  
12423OEM Part 12423 - Lifting Eye (more info) About Mercury Marine $2.80 $2.80 Add to shopping cart
1 in stock. Explain stock levels
LIFTING EYE Note: must be ordered in multiples of 2,NLA 54-805628T  
54-805628TOEM Part 54-805628T - Lifting Eye - Priced Individually, NLA (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
2 in stock. Explain stock levels
#37 32-52481 HOSE, Housing to End Cap/Connector (1 required per assembly)
HOSE 32-52481 32-52481
32-52481OEM Part 32-52481 - Hose (more info) About Mercury Marine $35.00 $29.98 Add to shopping cart
1 in stock. Explain stock levels
Molded Hose 18-70930
18-70930OEM Match 18-70930 - Hose, 32-52481 (more info) About Sierra Marine $26.99 $22.05 Add to shopping cart
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
32-96879This part has been superseded. HOSE O - Replaced by 32-8M0071007
(more info)
    UnavailableUnavailable Parts
HOSE 32-8M0071007 32-8M0071007
32-8M0071007OEM Part 32-8M0071007 - Hose (more info) About Mercury Marine $37.00 $31.69 Add to shopping cart
Available to order:
Usually ships
within 8 days
Molded Hose 18-70931
18-70931OEM Match 18-70931 - Hose, 32-96879, 311075 (more info) About Sierra Marine $28.99 $23.32 Add to shopping cart
Available to order:
Usually ships
within 8 days
#40 54-815504232 CLAMP, Worm Gear (2.50 Diameter) (2 required per assembly)
CLAMP Worm Gear ( 54-815504232 54-815504232
54-815504232OEM Part 54-815504232 - Clamp (more info) About Mercury Marine $6.20 $4.19 Add to shopping cart
10+ in stock. Explain stock levels