Logo

Parts for MerCruiser 8.1L Inboard (H.O.) Exhaust Manifold (With Water Rail) , Elbow, & Riser

#1 863120T 2 MANIFOLD ASSEMBLY, Exhaust (2 required per assembly)
MANIFOLD ASSY-EXH O - Replaced by -863120T03
863120T 2

This part has been superseded.

863120T 2 - MANIFOLD ASSY-EXH O [ More info ]
Unavailable
Replaced by -863120T03
MANIFOLD-EXHAUST  O - Replaced by -866178A02
863120T03

This part has been superseded.

863120T03 - MANIFOLD-EXHAUST O [ More info ]
Unavailable
Replaced by -866178A02
MANIFOLD-EXH CONV 866178A02
866178A02

About Mercury Marine

OEM Part

866178A02 - Exhaust Manifold Conv [ More info ]

Add to shopping cart $766.58
Available to order: Usually ships within 8 days. Explain stock levels

#2 862992T 1 RAIL, Water (1 required per assembly)
RAIL Water 862992T 1
862992T 1

About Mercury Marine

OEM Part

862992T 1 - Water Rail [ More info ]

Add to shopping cart $210.84
Available to order: Usually ships within 8 days. Explain stock levels

#3 25-863090 O-RING (4 required per assembly)
O-RING 25-863090
 

About Mercury Marine

OEM Part

25-863090 - O-Ring [ More info ]

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

#4 10-40088 25 SCREW, (M6 x 25) (4 required per assembly)
SCREW (M6 x 25) 10-40088 25
10-40088 25

About Mercury Marine

OEM Part

10-40088 25 - Screw [ More info ]

Add to shopping cart $1.90
Available to order: Usually ships within 8 days. Explain stock levels

#5 10-40088 45 SCREW, (M6 x 45) (2 required per assembly)
SCREW (M6 x 45) 10-40088 45
10-40088 45

About Mercury Marine

OEM Part

10-40088 45 - Screw [ More info ]

Add to shopping cart $9.00
Available to order: Usually ships within 8 days. Explain stock levels

#6 12-22937 WASHER (6 required per assembly)
WASHER Note: must be ordered in multiples of 5 12-22937
 

About Mercury Marine

OEM Part

12-22937 - Washer - Priced Individually [ More info ]

Add to shopping cart $2.60
10+ in stock. Explain stock levels

#7 22-42861 1 FITTING, Pipe - Brass (.750-14) (2 required per assembly)
FITTING Pipe - Brass (. 22-42861  1
22-42861  1

About Mercury Marine

OEM Part

22-42861 1 - Pipe Plug [ More info ]

Add to shopping cart $7.50
9 in stock. Explain stock levels

#8 27-46820 GASKET, Exhaust Manifold to Cylinder Head (2 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-46820
27-46820

About Mercury Marine

OEM Part

27-46820 - Gasket - Priced Individually Long [ More info ]

Add to shopping cart $20.20 $17.30
4 in stock. Explain stock levels

Gasket
18-0418

About Sierra Marine

OEM Match

18-0418 - Manifold Gasket Big Bk Chevy [ More info ]

Add to shopping cart $14.49 $11.74
10+ in stock. Explain stock levels

#9 10-40089 35 SCREW, (M8 x 35) Stainless Steel (8 required per assembly)
SCREW (M8 x 35) Stainle 10-40089 35
10-40089 35

About Mercury Marine

OEM Part

10-40089 35 - Screw [ More info ]

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

#10 10-40089 70 SCREW, (M8 x 70) Stainless Steel (8 required per assembly)
SCREW (M8 x 70) Stainle 10-40089 70
10-40089 70

About Mercury Marine

OEM Part

10-40089 70 - Screw [ More info ]

Add to shopping cart $4.30
8 in stock. Explain stock levels

#11 12-12038 WASHER (16 required per assembly)
WASHER 12-12038
 

About Mercury Marine

OEM Part

12-12038 - Washer [ More info ]

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

#12 865331A01 ELBOW, Exhaust (2 required per assembly) (STD)
ELBOW-EXHAUST     O - Replaced by -865331A02
865331A01

This part has been superseded.

865331A01 - ELBOW-EXHAUST O [ More info ]
Unavailable
Replaced by -865331A02
ELBOW 865331A02
865331A02

About Mercury Marine

OEM Part

865331A02 - Exhaust Elbow [ More info ]

Add to shopping cart $779.17
Available to order: Usually ships within 8 days. Explain stock levels

#12 865332A01 ELBOW, Exhaust (2 required per assembly) (2 In.)
ELBOW-EXHAUST     O - Replaced by -865332A02
865332A01

This part has been superseded.

865332A01 - ELBOW-EXHAUST O [ More info ]
Unavailable
Replaced by -865332A02
ELBOW Black 865332A02
865332A02

About Mercury Marine

OEM Part

865332A02 - Exhaust Elbow [ More info ]

Add to shopping cart $693.33
Available to order: Usually ships within 8 days. Explain stock levels

#13 32-863095 HOSE, Elbow to Manifold (4 required per assembly)
HOSE 32-863095
 

About Mercury Marine

OEM Part

32-863095 - Molded Hose [ More info ]

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

#14 54-815504216 CLAMP, Worm Gear (1.56 Diameter), Hose (8 required per assembly)
CLAMP Worm Gear (1.56 D 54-815504216
54-815504216

About Mercury Marine

OEM Part

54-815504216 - Clamp [ More info ]

Add to shopping cart $13.10
Available to order: Usually ships within 8 days. Explain stock levels

#15 16-820451 1 STUD, (M8 x 55) (3 required per assembly)
STUD (M8 x 55) 16-820451  1
 

About Mercury Marine

OEM Part

16-820451 1 - Stud [ More info ]

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

#17 11-40020 30 NUT, (M8) (8 required per assembly)
NUT (M8) 11-40020 30
11-40020 30

About Mercury Marine

OEM Part

11-40020 30 - Nut [ More info ]

Add to shopping cart $5.50
Available to order: Usually ships within 8 days. Explain stock levels

#18 27-862356 GASKET, Exhaust (4 required per assembly) (Elbow to Manifold)
GASKET 27-862356
27-862356

About Mercury Marine

OEM Part

27-862356 - Gasket [ More info ]

Add to shopping cart $9.00
Available to order: Usually ships within 8 days. Explain stock levels

#19 863122 TURBULATOR, Exhaust (2 required per assembly)
TURBULATOR        O - Replaced by -8M2000433
 

This part has been superseded.

863122 - TURBULATOR O [ More info ]
Unavailable
Replaced by -8M2000433
GASKET Turbulator 8M2000433
8M2000433

About Mercury Marine

OEM Part

8M2000433 - Gasket [ More info ]

Add to shopping cart $56.59
2 in stock. Explain stock levels

#20 858535 SENSOR ASSEMBLY, Temperature (2 required per assembly)
SENSOR ASSY-TEMP  O - Replaced by -889575
 

This part has been superseded.

858535 - SENSOR ASSY-TEMP O [ More info ]
Unavailable
Replaced by -889575
SENSOR ASSEMBLY 889575
889575

About Mercury Marine

OEM Part

889575 - Temperature Sensor Assembly [ More info ]

Add to shopping cart $42.67
Available to order: Usually ships within 8 days. Explain stock levels

#21 25-62702 1 O-RING, (.301 x .070) (1 required per assembly)
O-RING (.301 x .070) 25-62702  1
 

About Mercury Marine

OEM Part

25-62702 1 - O-Ring [ More info ]

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

#22 30-863129 BALL, Check (2 required per assembly)
BALL 30-863129
30-863129

About Mercury Marine

OEM Part

30-863129 - Ball - Check [ More info ]

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

#23 863116A 1 CONNECTOR, Water Rail (1 required per assembly)
CONNECTOR (PAIR) 863116A 1
863116A 1

About Mercury Marine

OEM Part

863116A 1 - Connector (pair) [ More info ]

Add to shopping cart $116.33
8 in stock. Explain stock levels

#24 10-40107 16 SCREW, (M8 x 16) (1 required per assembly)
SCREW (M8 x 16) 10-40107 16
10-40107 16

About Mercury Marine

OEM Part

10-40107 16 - Screw [ More info ]

Add to shopping cart $3.00
Available to order: Usually ships within 8 days. Explain stock levels

#25 16-42463 2 STUD, (M8 x 37.1) (1 required per assembly)
STUD (M8 x 37.1) 16-42463  2
 

About Mercury Marine

OEM Part

16-42463 2 - Stud [ More info ]

Add to shopping cart $11.60
Available to order: Usually ships within 8 days. Explain stock levels

#26 863124T RISER, (6 Inch) (2 required per assembly)
RISER-5 INCH      O - Replaced by -866768T
 

This part has been superseded.

863124T - RISER-5 INCH O [ More info ]
Unavailable
Replaced by -866768T
8M0124066 866768T
866768T

About Mercury Marine

OEM Part

866768T - Exhaust Riser [ More info ]

Add to shopping cart $429.58
Available to order: Usually ships within 8 days. Explain stock levels

#27 32-863102 HOSE (4 required per assembly)
HOSE 32-863102
 

About Mercury Marine

OEM Part

32-863102 - Molded Hose [ More info ]

Add to shopping cart $22.33
Available to order: Usually ships within 8 days. Explain stock levels

#28 16-863121 STUD, (M8 x 194) (8 required per assembly)
STUD (M8 x 194) 16-863121
 

About Mercury Marine

OEM Part

16-863121 - Stud [ More info ]

Add to shopping cart $9.70
Available to order: Usually ships within 8 days. Explain stock levels

#NS 19-807992 3 COVER, Hose Clamp End (8 required per assembly)
COVER-.375 @20    O - Replaced by 19-8M6500037
 

This part has been superseded.

19-807992 3 - COVER-.375 @20 O [ More info ]
Unavailable
Replaced by 19-8M6500037
COVER-CLAMP @20   O - Replaced by 19-8M0074364
 

This part has been superseded.

19-8M6500037 - COVER-CLAMP @20 O [ More info ]
Unavailable
Replaced by 19-8M0074364
CAP 19-8M0074364
 

About Mercury Marine

OEM Part

198M0074364 - Cover-Clamp Note: Must be ordered in multiples of 20 [ More info ]

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

#29 861776A 2 PLATE KIT, Exhaust Block Off (1 required per assembly)
PLATE KIT 861776A 2
861776A 2

About Mercury Marine

OEM Part

861776A 2 - Exhaust Plate Kit [ More info ]

Add to shopping cart $68.66
5 in stock. Explain stock levels

#30 10-98794 SCREW, (.375-16 x 1.00) (4 required per assembly)
SCREW (.375-16 x 1.00) 10-98794
10-98794

About Mercury Marine

OEM Part

10-98794 - Screw [ More info ]

Add to shopping cart $3.20
8 in stock. Explain stock levels

Screw, Upper Drive Cap
18-3231

About Sierra Marine

OEM Match

18-3231 - Bolt, 10-98794 [ More info ]

Add to shopping cart $2.99 $2.41
4 in stock. Explain stock levels

#31 13-41471 LOCKWASHER, (.375) (4 required per assembly)
LOCKWASHER (.375) 13-41471
 

About Mercury Marine

OEM Part

13-41471 - LockWasher [ More info ]

Add to shopping cart $1.40
1 in stock. Explain stock levels

#32 860222A 1 RESONATOR, Exhaust (1 required per assembly)
RESONATOR 860222A 1
860222A 1

About Mercury Marine

OEM Part

860222A 1 - Resonator- Exhaust [ More info ]

Add to shopping cart $50.42
7 in stock. Explain stock levels

#33 22-865096 PLUG, Composite (2 required per assembly)
PLUG-PIPE 22-865096
 

About Mercury Marine

OEM Part

22-865096 - Pipe Plug [ More info ]

Add to shopping cart $6.25
10+ in stock. Explain stock levels

#34 22-864930 FITTING, Straight (2 required per assembly)
FITTING Straight 22-864930
 

About Mercury Marine

OEM Part

22-864930 - Fitting [ More info ]

Add to shopping cart $16.60 $14.22
Available to order: Usually ships within 8 days. Explain stock levels