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Parts for MerCruiser 454 Mag. MPI Horizon (Gen. VI) GM 454 V-8 Intake Manifold & Intake Plenum

#1 805233A 2 MANIFOLD ASSEMBLY, Intake (1 required per assembly)
MANIFOLD ASSEMBLY O - Replaced by -805233A 6
 

This part has been superseded.

805233A 2 - MANIFOLD ASSEMBLY O [ More info ]
Unavailable
Replaced by -805233A 6
M FOLD ASY-INTAKE O NLA
 

About Mercury Marine

OEM Part

M FOLD ASY-INTAKE O NLA [ More info ]
Unavailable
#2 22-805691 FITTING, (.250) Barb (1 required per assembly)
FITTING (.250) Barb 22-805691
 

About Mercury Marine

OEM Part

22-805691 - Fitting [ More info ]

Add to shopping cart $18.08
Available to order: Usually ships within 8 days. Explain stock levels

#3 806899 PLUG (1 required per assembly)
PLUG              O - Replaced by 19-854310
806899

This part has been superseded.

806899 - PLUG O [ More info ]
Unavailable
Replaced by 19-854310
PLUG 19-854310
 

About Mercury Marine

OEM Part

19-854310 - Plug [ More info ]

Add to shopping cart $3.20
Available to order: Usually ships within 8 days. Explain stock levels

#4 27-805403A 1 GASKET SET (1 required per assembly)
GASKET SET 27-805403A 1
27-805403A 1

About Mercury Marine

OEM Part

27-805403A 1 - Intake Gasket Set [ More info ]

Add to shopping cart $94.80 $81.17
In stock Explain stock levels

Intake Gasket Kit
18-0404

About Sierra Marine

OEM Match

18-0404 - Gasket Kit, 27-805403A1 [ More info ]

Add to shopping cart $82.99 $67.59
1 in stock. Explain stock levels

#5 22-806242 CONNECTOR (2 required per assembly)
CONNECTOR 22-806242
22-806242

About Mercury Marine

OEM Part

22-806242 - Connector [ More info ]

Add to shopping cart $39.00
Available to order: Usually ships within 8 days. Explain stock levels

#6 22-805519 FITTING, Barb (.250 Inch) (1 required per assembly)
FITTING Barb (.25 * NLA
 

About Mercury Marine

OEM Part

FITTING Barb (.25 * NLA [ More info ]
Unavailable
#7 10-807640 SCREW (3/8-16 X 5-1/2 IN.) (4 required per assembly)
SCREW,NLA 10-807640
 

About Mercury Marine

OEM Part

10-807640 - Screw, NLA [ More info ]

Add to shopping cart $12.50
10+ in stock. Explain stock levels

#8 10-807641 SCREW (3/8-16 X 1-3/4 IN.) (12 required per assembly)
SCREW (.375-16 x 1.75) 10-807641
10-807641

About Mercury Marine

OEM Part

10-807641 - Screw [ More info ]

Add to shopping cart $4.90
Available to order: Usually ships within 8 days. Explain stock levels

#9 805225A 1 INJECTOR ASSEMBLY, Fuel (8 required per assembly)
INJECTOR ASSEMBLY Fuel 805225A 1
805225A 1

About Mercury Marine

OEM Part

805225A 1 - Fuel Injector [ More info ]

Add to shopping cart $228.25
1 in stock. Explain stock levels

#10 25-805511A 1 SEALING KIT, Fuel Injector (8 required per assembly)
SEALING KIT Fuel Inject 25-805511A 1
25-805511A 1

About Mercury Marine

OEM Part

25-805511A 1 - Sealing Kit, See Note on Detail Page [ More info ]

Add to shopping cart $19.60 $16.78
Available to order: Usually ships within 8 days. Explain stock levels

#11 35-17422 FILTER (8 required per assembly)
FILTER 35-17422
 

About Mercury Marine

OEM Part

35-17422 - Injector Filter [ More info ]

Add to shopping cart $26.80 $22.95
1 in stock. Explain stock levels

#12 32-805987 1 HOSE, Water Pump To Intake Manifold (1 required per assembly)
HOSE Water Pump To Inta 32-805987  1
32-805987  1

About Mercury Marine

OEM Part

32-805987 1 - Hose [ More info ]

Add to shopping cart $19.20 $16.44
Available to order: Usually ships within 8 days. Explain stock levels

#13 54-815504212 CLAMP, Worm Gear (2 required per assembly)
CLAMP Worm Gear 54-815504212
 

About Mercury Marine

OEM Part

54-815504212 - Clamp [ More info ]

Add to shopping cart $4.30
Available to order: Usually ships within 8 days. Explain stock levels

#14 805240A18 PLENUM ASSEMBLY, Intake (CRINKLE PAINT) (1 required per assembly) 454 MAG MPI HORIZON
PLENUM INTAKE,NLA 805240A18
 

About Mercury Marine

OEM Part

805240A18 - Plenum Intake, NLA [ More info ]

Add to shopping cart $425.00
5 in stock. Explain stock levels

#14 805240A 1 PLENUM ASSEMBLY, Intake (1 required per assembly) 8.2L MPI
PLENUM INTAKE,NLA 805240A 1
 

About Mercury Marine

OEM Part

805240A 1 - Plenum Intake, NLA [ More info ]

Add to shopping cart $400.00
2 in stock. Explain stock levels

#15 23-52698 SLEEVE (2 required per assembly)
SLEEVE Note: must be ordered in multiples of 2 23-52698
 

About Mercury Marine

OEM Part

23-52698 - Sleeve - Priced Individually [ More info ]

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

#17 22-805598 FITTING, (.1875) Barb (1 required per assembly)
FITTING (.1875) Barb 22-805598
 

About Mercury Marine

OEM Part

22-805598 - Fitting [ More info ]

Add to shopping cart $8.10
Available to order: Usually ships within 8 days. Explain stock levels

#18 27-805522A 1 GASKET SET (1 required per assembly)
GASKET SET 27-805522A 1
27-805522A 1

About Mercury Marine

OEM Part

27-805522A 1 - Gasket Set [ More info ]

Add to shopping cart $45.60 $39.04
Available to order: Usually ships within 8 days. Explain stock levels

#19 37-861364 DECAL (1 required per assembly) 454 MAG MPI HORIZON
DECAL             O - Replaced by 38-861364  1
 

This part has been superseded.

38-861364 - DECAL O [ More info ]
Unavailable
Replaced by 38-861364 1
DECAL Molded      O NLA
 

About Mercury Marine

OEM Part

DECAL Molded O NLA [ More info ]
Unavailable
#19 37-861369 DECAL (1 required per assembly) 8.2L MPI
DECAL             O NLA
 

About Mercury Marine

OEM Part

DECAL O NLA [ More info ]
Unavailable
#20 805217A 1 SENSOR ASSEMBLY (1 required per assembly)
SENSOR ASSEMBLY   O - Replaced by -864856A 1
805217A 1

This part has been superseded.

805217A 1 - SENSOR ASSEMBLY O [ More info ]
Unavailable
Replaced by -864856A 1
SENSOR-MAP 864856A 1
864856A 1

About Mercury Marine

OEM Part

864856A 1 - Sensor -map [ More info ]

Add to shopping cart $193.92
In stock Explain stock levels

MAP Sensor
18-7684

About Sierra Marine

OEM Match

18-7684 - Sensor, 864856A1 [ More info ]

Add to shopping cart $158.49 $127.59
3 in stock. Explain stock levels

#21 26-805412 SEAL (1 required per assembly)
SEAL 26-805412
 

About Mercury Marine

OEM Part

26-805412 - Seal [ More info ]

Add to shopping cart $23.25
Available to order: Usually ships within 8 days. Explain stock levels

#22 10-807120 SCREW, (#10-24 x 1.00) (2 required per assembly)
SCREW (#10-24 x 1.00) 10-807120
10-807120

About Mercury Marine

OEM Part

10-807120 - Screw [ More info ]

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

#23 10-805391 2 SCREW (5/16-18 X 4-1/2 IN.) (GOLD COLORED) (8 required per assembly) 454 MAG MPI HORIZON
SCREW             O NLA
10-805391  2

About Mercury Marine

OEM Part

SCREW O NLA [ More info ]
Unavailable
#23 10-805391 SCREW, (.312-18 x 4.500) (8 required per assembly) 8.2L MPI
SCREW (.312-18 x  O
10-805391

About Mercury Marine

OEM Part

SCREW (.312-18 x O [ More info ]
Unavailable
#24 10-805390 2 SCREW (5/16-18 X 2-1/4 IN.) (GOLD COLORED) (4 required per assembly) 454 MAG MPI HORIZON
SCREW             O NLA
10-805390  2

About Mercury Marine

OEM Part

SCREW O NLA [ More info ]
Unavailable
#24 10-805390 SCREW, (.312-18 x 2.250) (4 required per assembly) 8.2L MPI
SCREW (.312-18 x 2.250) 10-805390
10-805390

About Mercury Marine

OEM Part

10-805390 - Screw [ More info ]

Add to shopping cart $6.40
Available to order: Usually ships within 8 days. Explain stock levels

#25 805413T BRACKET, Throttle Cable (1 required per assembly)
BRACKET ASSY,NLA 805413T
805413T

About Mercury Marine

OEM Part

805413T - Throttle Cable Bracket , NLA [ More info ]

Add to shopping cart $22.00
10+ in stock. Explain stock levels

#26 10-73286 SCREW, (.250-20 x .500) Stainless Steel (3 required per assembly)
SCREW (.250-20 x .500) 10-73286
10-73286

About Mercury Marine

OEM Part

10-73286 - Screw [ More info ]

Add to shopping cart $1.40
Available to order: Usually ships within 8 days. Explain stock levels

#27 10-807132 SHOULDER BOLT (1 required per assembly)
SCREW-SHOULDER 10-807132
10-807132

About Mercury Marine

OEM Part

10-807132 - Screw -Shoulder [ More info ]

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

#28 23-11284 SPACER, (.62 Diameter) (1 required per assembly)
SPACER (.62 Diameter) 23-11284
 

About Mercury Marine

OEM Part

23-11284 - Spacer - Priced Individually [ More info ]

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

#29 12-26825 WASHER, (.328 x .750 x .06) (1 required per assembly)
WASHER (.328 x .750 x . 12-26825
 

About Mercury Marine

OEM Part

12-26825 - Washer - Priced Individually [ More info ]

Add to shopping cart $1.10
9 in stock. Explain stock levels

#30 11-814101 NUT, (.250-20) Stainless Steel (1 required per assembly)
NUT (.250-20) Stainless 11-814101
 

About Mercury Marine

OEM Part

11-814101 - Nut [ More info ]

Add to shopping cart $2.00
7 in stock. Explain stock levels

#31 861475A 2 THROTTLE BODY ASSEMBLY (CRINKLE PAINT) (1 required per assembly) 454 MAG MPI HORIZON
THROTTLE BODY ASS O NLA
861475A 2

About Mercury Marine

OEM Part

THROTTLE BODY ASS O NLA [ More info ]
Unavailable
#31 860204A 5 THROTTLE BODY ASSEMBLY (1 required per assembly) 8.2L MPI
THROTTLE BODY ASSEMBLY 860204A 5
860204A 5

About Mercury Marine

OEM Part

860204A 5 - Throttle Body Assembly [ More info ]

Add to shopping cart $1,110.57 $487.50
10+ in stock. Explain stock levels

#32 27-805396 GASKET, Throttle Body (1 required per assembly)
GASKET Throttle Body 27-805396
27-805396

About Mercury Marine

OEM Part

27-805396 - Gasket [ More info ]

Add to shopping cart $17.40 $14.91
Available to order: Usually ships within 8 days. Explain stock levels

Gasket
18-0740

About Sierra Marine

OEM Match

18-0740 - Gasket, 27-805396 [ More info ]

Add to shopping cart $11.93
2 in stock. Explain stock levels

#33 805226A 1 SENSOR ASSEMBLY, TPS (1 required per assembly)
SENSOR ASSEMBLY TPS 805226A 1
805226A 1

About Mercury Marine

OEM Part

805226A 1 - Sensor Kit -tps [ More info ]

Add to shopping cart $81.25
In stock Explain stock levels

Throttle  Position Sensor
18-7630

About Sierra Marine

OEM Match

18-7630 - Sensor 805226A1 [ More info ]

Add to shopping cart $87.87 $71.61
5 in stock. Explain stock levels

#34 10-805400 SCREW, (#8-32 x .500) Stainless Steel (2 required per assembly)
SCREW (#8-32 x .500) St 10-805400
10-805400

About Mercury Marine

OEM Part

10-805400 - Screw [ More info ]

Add to shopping cart $1.20
Available to order: Usually ships within 8 days. Explain stock levels

#35 12-28001 WASHER, (.188 x .438 x .049) (2 required per assembly)
WASHER,NLA 12-28001
 

About Mercury Marine

OEM Part

12-28001 - Washer [ More info ]

Add to shopping cart $1.60
3 in stock. Explain stock levels

#36 805224A 1 MOTOR ASSEMBLY, IAC (1 required per assembly)
MOTOR ASSEMBLY IAC 805224A 1
805224A 1

About Mercury Marine

OEM Part

805224A 1 - IAC Motor Kit [ More info ]

Add to shopping cart $114.75
In stock Explain stock levels

Idle Air Con Motor
18-7632

About Sierra Marine

OEM Match

18-7632 - Sensor 805224A1 [ More info ]

Add to shopping cart $110.35 $89.22
9 in stock. Explain stock levels

#38 25-808547 O-RING (1 required per assembly)
O-RING 25-808547
 

About Mercury Marine

OEM Part

25-808547 - O-Ring [ More info ]

Add to shopping cart $1.20
1 in stock. Explain stock levels

#39 805401A 4 FLAME ARRESTOR (CRINKLE PAINT) (1 required per assembly) 454 MAG MPI HORIZON
FLAME ARRESTOR    O NLA
805401A 4

About Mercury Marine

OEM Part

FLAME ARRESTOR O NLA [ More info ]
Unavailable
FLAME ARRESTOR 807656A 2
807656A 2

About Mercury Marine

OEM Part

807656A 2 - Arrestor Kit -flame [ More info ]

Add to shopping cart $189.83
1 in stock. Explain stock levels

#40 16-805399 STUD (4 required per assembly) 454 MAG MPI HORIZON
STUD 16-805399
 

About Mercury Marine

OEM Part

16-805399 - Stud [ More info ]

Add to shopping cart $14.50
10+ in stock. Explain stock levels

#41 11-805402 NUT, Acorn (2 required per assembly) 454 MAG MPI HORIZON
NUT Acorn         O NLA
 

About Mercury Marine

OEM Part

NUT Acorn O NLA [ More info ]
Unavailable
#42 807656A 2 FLAME ARRESTOR (1 required per assembly) 8.2L MPI
#43 10-808040 SCREW (5/16-18 X 4 IN.) (4 required per assembly) 8.2L MPI
SCREW (5/16-18 x 4.0) 10-808040
10-808040

About Mercury Marine

OEM Part

10-808040 - Screw [ More info ]

Add to shopping cart $6.60
Available to order: Usually ships within 8 days. Explain stock levels

#44 807654T BRACKET, Flame Arrestor (1 required per assembly) 8.2L MPI
BRACKET Flame Arrestor 807654T
807654T

About Mercury Marine

OEM Part

807654T - Bracket -flame Arr [ More info ]

Add to shopping cart $24.20 $20.73
Available to order: Usually ships within 8 days. Explain stock levels

#45 10-808039 SCREW (#6-32) (2 required per assembly) 8.2L MPI
SCREW (#6-32) 10-808039
10-808039

About Mercury Marine

OEM Part

10-808039 - Screw [ More info ]

Add to shopping cart $4.80
Available to order: Usually ships within 8 days. Explain stock levels

#46 16-807133 STUD, (.250 x 1.750) (1 required per assembly)
STUD (.250 x 1.750) 16-807133
 

About Mercury Marine

OEM Part

16-807133 - Stud [ More info ]

Add to shopping cart $9.50
Available to order: Usually ships within 8 days. Explain stock levels

#47 32-806173 77 HOSE (2 required per assembly)
HOSE              O - Replaced by 32-806173 79
 

This part has been superseded.

32-806173 77 - HOSE O [ More info ]
Unavailable
Replaced by 32-806173 79
HOSE (52.00 Inche O - Replaced by 32-806173 82
 

This part has been superseded.

32-806173 79 - HOSE (52.00 Inche O [ More info ]
Unavailable
Replaced by 32-806173 82
HOSE (58.00 Inche O - Replaced by 32-8M0063567
 

This part has been superseded.

32-806173 82 - HOSE (58.00 Inche O [ More info ]
Unavailable
Replaced by 32-8M0063567
HOSE 58.00 inch Bulk 32-8M0063567
 

About Mercury Marine

OEM Part

32-8M0063567 - Hose -58 Inch [ More info ]

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

#48 32-73815 67 TUBING, (42.00 Inches Bulk) (1 required per assembly)
TUBING (42.00 Inches Bu 32-73815 67
32-73815 67

About Mercury Marine

OEM Part

32-73815 67 - Tubing - 42 Inch [ More info ]

Add to shopping cart $25.90 $22.18
8 in stock. Explain stock levels

#49 805223T SENSOR (1 required per assembly)
SENSOR ASSY (IAT) 805223T
805223T

About Mercury Marine

OEM Part

805223T - Sensor Assembly (iat) [ More info ]

Add to shopping cart $103.33
In stock Explain stock levels

Air Charge Temp Sender
18-7702

About Sierra Marine

OEM Match

18-7702 - Sender, 805223T, 3854527 [ More info ]

Add to shopping cart $44.99 $37.13
3 in stock. Explain stock levels

#50 22-68727 FITTING, (.250-18) 90 Degree - Brass (TO PCV VALVE) (1 required per assembly)
FITTING (.250-18) O - Replaced by 22-68727  1
 

This part has been superseded.

22-68727 - FITTING (.250-18) O [ More info ]
Unavailable
Replaced by 22-68727 1
FITTING (.250-18) 90 De 22-68727  1
 

About Mercury Marine

OEM Part

22-68727 1 - Fitting [ More info ]

Add to shopping cart $23.41
Available to order: Usually ships within 8 days. Explain stock levels

#- 27-811572A94 GASKET SET, Overhaul (454) (1 required per assembly)
GASKET SET Overhaul 27-811572A94
27-811572A94

About Mercury Marine

OEM Part

27-811572A94 - Gasket Set [ More info ]

Add to shopping cart $1,300.00
Available to order: Usually ships within 8 days. Explain stock levels

#- 27-805396A92 GASKET SET, Overhaul (8.2L) (1 required per assembly)
GASKET SET Overhaul 27-805396A92
27-805396A92

About Mercury Marine

OEM Part

27-805396A92 - Gasket Set [ More info ]

Add to shopping cart $1,315.93
Available to order: Usually ships within 8 days. Explain stock levels