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Parts for 350 Mag MPI Horizon Alpha / Bravo 5.7L (350 Cu In) V8 GM MerCruiser Engines - Gas Exhaust Manifold & Elbow

#1 8M0185794 MANIFOLD-EXHAUST (2 required per assembly) — Replaces: 865735A02
MANIFOLD-EXHAUST 8M0185794
8M0185794

About Mercury Marine

OEM Part

8M0185794 - Exhaust Manifold [ More info ]

Add to shopping cart $534.99
In Stock

EXHAUST MANIFOLD DRY JOINT
18-1843

About Sierra Marine

OEM Match

18-1843 - Exhaust Manifold, Dry Joint, V8 Small Block GM [ More info ]

Add to shopping cart $540.22
4 In Stock.

MANIFOLD,865735A02 MC-1-865735
MC-1-865735

About Barr Marine by EDM

OEM Match

MC-1-865735 -MerCruiser Center Discharge Dry Joint Exhaust Manifold V8 [ More info ]

Add to shopping cart $593.99 $454.97
1 In Stock.

#2 8M0204679 PLUG-PIPE (4 required per assembly) — Replaces: 428611
PLUG-PIPE 22-8M0204679
22-8M0204679

About Mercury Marine

OEM Part

22-8M0204679 - Exhaust Manifold Pipe Plug [ More info ]

Add to shopping cart $10.99
Available to Order: Shipping delay up to 10 days.

#3 390721 PLUG PIPE (.125-27) BRASS (2 required per assembly)
PLUG 22-390721
22-390721

About Mercury Marine

OEM Part

22-39072 1 - Plug - Priced Individually [ More info ]

Add to shopping cart $9.29
1 In Stock.

#4 864689 PLUG EXPANSION EXPANSION (3 required per assembly)
PLUG-EXPAND 19-864689
19-864689

About Mercury Marine

OEM Part

19-864689 - Plug -expand - Priced Individually [ More info ]

Add to shopping cart $2.79
3 In Stock.

#5 33395 GASKET MANIFOLD (2 required per assembly)
GASKET 27-33395
27-33395

About Mercury Marine

OEM Part

27-33395 - Exhaust Manifold Gasket [ More info ]

Add to shopping cart $14.19
10 In Stock.

#6 8M0144800 SCREW @2 (8 required per assembly) — Replaces: 8M2000229
SCREW 10-8M0144800
10-8M0144800

About Mercury Marine

OEM Part

108M0144800 - Screw - Priced Individually [ More info ]

Add to shopping cart $4.19
Available to Order: Shipping delay up to 10 days.

#7 866725 FTG-STRGT 3/4 NPT Closed Cooling (2 required per assembly)
FTG-STRGT 3/4 NPT 22-866725
22-866725

About Mercury Marine

OEM Part

22-866725 - Brass Fitting, 3/4 NPT [ More info ]

Add to shopping cart $18.29
Available to Order: Shipping delay up to 10 days.

BRASS CONNECTOR
18-4461

About Sierra Marine

OEM Match

18-4461 - Brass Connector [ More info ]

Add to shopping cart $13.99 $13.86
1 In Stock.

#8 863786A1 FITTING ASSEMBLY DRAIN Standard Cooling (2 required per assembly)
T FITTING ASSY 22-863786A 1
22-863786A 1

About Mercury Marine

OEM Part

22-863786A 1 - T Fitting Assembly [ More info ]

Add to shopping cart $53.49 $52.60
In Stock

Drain T-Fitting Asy 22-05158
22-05158

About Engineered Marine Products

OEM Match

22-05158 - Drain T-Fitting 863786A 1 [ More info ]

Add to shopping cart $44.99 $34.41
4 In Stock.

#9 864701 O-RING (1.112 X .103) (1 required per assembly)
O RING 25-864701
25-864701

About Mercury Marine

OEM Part

25-864701 - O-ring, (1.112 X .103) [ More info ]

Add to shopping cart $3.59
Available to Order: Shipping delay up to 10 days.

#10 863129 BALL CHECK (1 required per assembly)
BALL-CHECK 30-863129
30-863129

About Mercury Marine

OEM Part

30-863129 - Ball - Check [ More info ]

Add to shopping cart $2.79
Available to Order: Shipping delay up to 10 days.

#11 862994T FITTING (1 required per assembly)
CONNECTOR 862994T
862994T

About Mercury Marine

OEM Part

862994T - Connector [ More info ]

Add to shopping cart $9.49
Available to Order: Shipping delay up to 10 days.

#12 864850A02 GASKET ELBOW, RESITRICTOR Standard Cooling (2 required per assembly)
GASKET-ELBOW "IN BOX,ON SHELF,GSKT AREA" 27-864850A02
27-864850A02

About Mercury Marine

OEM Part

27-864850A02 - Elbow Gasket [ More info ]

Add to shopping cart $67.99
In Stock

GASKET DRY JOINT RESTRICTED
18-0722

About Sierra Marine

OEM Match

18-0722 - Riser Gasket, Restricted, Dry Joint, 27-864850A02 [ More info ]

Add to shopping cart $77.99 $74.90
10+ In Stock.

GASKET,27-864850A02 27-14850
27-14850

About Engineered Marine Products

OEM Match

27-14850 - Riser Gasket, Dry Joint, Restricted, 27-864850A02 [ More info ]

Add to shopping cart $54.99 $42.06
10+ In Stock.

#12 864549A02 GASKET ELBOW, BLOCK OFF Closed Cooling (2 required per assembly)
GASKET-ELBOW BLOCK-OFF 27-864549A02
27-864549A02

About Mercury Marine

OEM Part

27-864549A02 - Elbow Gasket [ More info ]

Add to shopping cart $56.49 $55.99
In Stock

GASKET DRY JOINT CLOSED
18-0720

About Sierra Marine

OEM Match

18-0720 - Riser Gasket, Closed, Dry Joint, 27-864549A02 [ More info ]

Add to shopping cart $76.99 $74.38
5 In Stock.

GASKET,27-864549A02 27-14549
27-14549

About Engineered Marine Products

OEM Match

27-14549 - Riser Gasket, Dry Joint, Closed, 27-864549A02 [ More info ]

Add to shopping cart $51.49 $39.38
8 In Stock.

#13 864591T02 ELBOW-EXHAUST (2 required per assembly)
ELBOW-EXHAUST 864591T02
864591T02

About Mercury Marine

OEM Part

864591T02 - Exhaust Elbow [ More info ]

Add to shopping cart $475.49
In Stock

EXHAUST ELBOW DRY JOINT
18-1845

About Sierra Marine

OEM Match

18-1845 - Exhaust Elbow, Dry Joint, V6 and V8 [ More info ]

Add to shopping cart $458.19 $438.16
1 In Stock.

RISER,864591T02 MC-20-864591
MC-20-864591

About Barr Marine by EDM

OEM Match

MC-20-864591 - Dry Joint Riser, 864591T02 (14 degree) [ More info ]

Add to shopping cart $580.99 $444.74
9 In Stock.

#14 864689 PLUG EXPANSION EXPANSION (4 required per assembly)
#15 8M0180564 PLUG @5 (AR required per assembly) — Replaces: 73379
PLUG 22-8M0180564
22-8M0180564

About Mercury Marine

OEM Part

22-8M0180564 - Plug, Sold Individually [ More info ]

Add to shopping cart $7.59
3 In Stock.

#16 8M0204679 PLUG-PIPE (2 required per assembly) — Replaces: 428611
#17 866725 FTG-STRGT 3/4 NPT (1 required per assembly)
#17 865159 FITTING (1 required per assembly)
FITTING 45 Degree 22-865159
22-865159

About Mercury Marine

OEM Part

22-865159 - Fitting [ More info ]

Add to shopping cart $25.39
Available to Order: Shipping delay up to 10 days.

#18 865982057 SCREW (.375-16 X 7.50) EXHAUST ELBOW (8 required per assembly)
108M0214977 10-865982057
10-865982057

About Mercury Marine

OEM Part

10-865982057 - Screw [ More info ]

Add to shopping cart $19.99 $16.92
1 In Stock.

10-8M0214977 - SCREW
10-8M0214977

About Mercury Marine

OEM Part

10-8M0214977 - SCREW [ More info ]
In Stock
#19 16604 FITTING (1 required per assembly)
FITTING Straight (.125- 22-16604
22-16604

About Mercury Marine

OEM Part

22-16604 - Fitting [ More info ]

Add to shopping cart $11.49
1 In Stock.

#20 12524 PLUG (2 required per assembly)
PLUG (.375-18 x .475) B 22-12524
22-12524

About Mercury Marine

OEM Part

22-12524 - Plug [ More info ]

Add to shopping cart $5.09
Available to Order: Shipping delay up to 10 days.

#21 866725 FTG-STRGT 3/4 NPT (2 required per assembly)
#22 864263 BRACKET FLUSHING ATTACHMENT (1 required per assembly)
BRACKET-FLUSH 864263
864263

About Mercury Marine

OEM Part

864263 - Bracket -Flush [ More info ]

Add to shopping cart $11.79
Available to Order: Shipping delay up to 10 days.


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