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Parts for MerCruiser 496 Mag EC (H.O. Model) Exhaust Manifold

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 866389T01 MANIFOLD ASSEMBLY, Exhaust (2 required per assembly)
MANIFOLD-EXHAUST  O - Replaced by -8M0045258  
866389T01This part has been superseded. MANIFOLD-EXHAUST O - Replaced by -8M0045258
(more info)
    UnavailableUnavailable Parts
8M0099070 8M0045258 8M0045258
8M0045258OEM Part 8M0045258 - Exhaust Manifold (more info) About Mercury Marine $688.25 $688.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 19-864689 PLUG (8 required per assembly)
PLUG Expansion 19-864689  
19-864689OEM Part 19-864689 - Plug -expand - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
4 in stock. Explain stock levels
#3 27-8M2000886 GASKET, Cylinder Head to Exhaust Manifold (1 required per assembly)
GASKET            O - Replaced by 27-8M2018049 27-8M2000886
27-8M2000886This part has been superseded. GASKET O - Replaced by 27-8M2018049
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-8M0054751  
27-8M2018049This part has been superseded. GASKET O - Replaced by 27-8M0054751
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-8M0065690  
27-8M0054751This part has been superseded. GASKET O - Replaced by 27-8M0065690
(more info)
    UnavailableUnavailable Parts
GASKET 27-8M0065690  
27-8M0065690OEM Part 27-8M0065690 - Gasket (more info) About Mercury Marine $42.33 $42.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 866391T02 COLLECTOR, Exhaust (2 required per assembly) (See Note)
COLLECTOR Exhaust 866391T02  
866391T02OEM Part 866391T02 - Collector- Exhaust (more info) About Mercury Marine $690.00 $690.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 27-866390 GASKET, Collector, Exhaust (1 required per assembly)
GASKET 27-866390 27-866390
27-866390OEM Part 27-866390 - Gasket (more info) About Mercury Marine $113.50 $97.19 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 22-73379 PLUG, (.250-18) (1 required per assembly)
PLUG (.250-18) 22-73379  
22-73379OEM Part 22-73379 - Plug - Priced Individually (more info) About Mercury Marine $5.90 $3.31 Add to shopping cart
10+ in stock. Explain stock levels
#7 8M2003959 SENSOR, Oxygen (4 required per assembly)
SENSOR Oxygen 8M2003959 8M2003959
8M2003959OEM Part 8M2003959 - Oxygen Sensor (more info) About Mercury Marine $90.83 $90.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 8M2004289 COVER, Oxygen Sensor (4 required per assembly)
COVER Oxygen Sens 8M2004289  
8M2004289OEM Part 8M2004289 - Cover (more info) About Mercury Marine $18.50 $18.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 10-40106 10 SCREW, (M6 x 10) Stainless Steel (AR required per assembly)
SCREW (M6 x 10) S 10-40106 10 10-40106 10
10-40106 10OEM Part 10-40106 10 - Screw (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 10-40011151 SCREW, (M8 x 35) Stainless Steel (8 required per assembly)
SCREW (M8 x 35) S 10-40011151 10-40011151
10-40011151OEM Part 10-40011151 - Screw (more info) About Mercury Marine $3.30 $3.30 Add to shopping cart
1 in stock. Explain stock levels
#11 10-40011158 SCREW, (M8 x 70) Stainless Steel (8 required per assembly)
SCREW (M8 x 70) S 10-40011158 10-40011158
10-40011158OEM Part 10-40011158 - Screw (more info) About Mercury Marine $6.40 $6.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 860222A 1 RESONATOR (1 required per assembly)
RESONATOR 860222A 1 860222A 1
860222A 1OEM Part 860222A 1 - Resonator- Exhaust (more info) About Mercury Marine $48.75 $48.75 Add to shopping cart
7 in stock. Explain stock levels
#13 885342002 SENSOR ASSEMBLY (2 required per assembly)
SENSOR ASSEMBLY 885342002 885342002
885342002OEM Part 885342002 - Temperature Sensor Assembly (more info) About Mercury Marine $31.58 $31.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 25-896699 O-RING, (1.78 mm x .08 mm) (1 required per assembly)
O-RING (1.78 mm x 25-896699  
25-896699OEM Part 25-896699 - O-Ring (more info) About Mercury Marine $7.70 $7.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 54-65653 CLIP (2 required per assembly)
CLIP 54-65653  
54-65653OEM Part 54-65653 - Clamp (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 8M2000159 ELBOW (1 required per assembly)
ELBOW 8M2000159 8M2000159
8M2000159OEM Part 8M2000159 - Elbow (more info) About Mercury Marine $13.80 $13.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 16-42463 2 STUD, (M8 x 37.1) (2 required per assembly)
STUD (M8 x 37.1) 16-42463  2  
16-42463 2OEM Part 16-42463 2 - Stud (more info) About Mercury Marine $11.20 $11.20 Add to shopping cart
Available to order:
Usually ships
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#19 10-40095 35 SCREW, (M8 x 35) (20 required per assembly)
SCREW (M8 x 35) 10-40095 35  
10-40095 35OEM Part 10-40095 35 - Screw - Priced Individually (more info) About Mercury Marine $2.60 $2.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 22-16604 FITTING, Straight (.125-27) (2 required per assembly) (MIE) (See Note)
FITTING Straight 22-16604  
22-16604OEM Part 22-16604 - Fitting (more info) About Mercury Marine $8.10 $8.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#21 879288T47 CATALYST (6 required per assembly)
CATALYST 879288T47  
879288T47OEM Part 879288T47 - Catalyst (more info) About Mercury Marine $838.79 $838.79 Add to shopping cart
Available to order:
Usually ships
within 8 days
#22 866775 RING, Retention, Catalyst (6 required per assembly)
RING Retention 866775 866775
866775OEM Part 866775 - Ring (more info) About Mercury Marine $24.60 $21.07 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 879288T79 ELBOW, Exhaust, No Rise (2 required per assembly) (See Note)
ELBOW Exhaust 879288T79 879288T79
879288T79OEM Part 879288T79 - Exhaust Elbow (more info) About Mercury Marine $791.64 $791.64 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 879288T80 ELBOW, Exhaust, No Rise (2 required per assembly) (MIE V-Drive only) (See Note)
ELBOW Exhaust 879288T80  
879288T80OEM Part 879288T80 - Exhaust Elbow (more info) About Mercury Marine $669.58 $669.58 Add to shopping cart
Available to order:
Usually ships
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#23 879288T81 RISER KIT, Exhaust - 2 Inch Rise (1 required per assembly) (Contains 2 Elbows) (Includes Hose Ref #38) (See Note)
RISER KIT 2IN     O - Replaced by -8M0062051 879288T81
879288T81This part has been superseded. RISER KIT 2IN O - Replaced by -8M0062051
(more info)
    UnavailableUnavailable Parts
ELBOW KIT Exhaust 8M0062051  
8M0062051OEM Part 8M0062051 - Riser Kit 2 Inch (more info) About Mercury Marine $1,358.43 $1,358.43 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 879288T82 RISER KIT, Exhaust - 4 Inch Rise (1 required per assembly) (Contains 2 Elbows) (Includes Hose Ref #38) (See Note)
RISER KIT Exhaust 879288T82 879288T82
879288T82OEM Part 879288T82 - Riser Kit 4IN (more info) About Mercury Marine $1,582.79 $1,582.79 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 879288T83 RISER KIT, Exhaust - 6 Inch Rise (1 required per assembly) (Contains 2 Elbows) (Includes Hose Ref #38) (See Note)
RISER KIT Exhaust 879288T83 879288T83
879288T83OEM Part 879288T83 - Riser Kit 6IN (more info) About Mercury Marine $1,769.50 $1,769.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 879288T84 RISER KIT, Exhaust - 8 Inch Rise (1 required per assembly) (Contains 2 Elbows) (Includes Hose Ref #38) (See Note)
RISER KIT Exhaust 879288T84 879288T84
879288T84OEM Part 879288T84 - Riser Kit 8IN (more info) About Mercury Marine $2,135.71 $2,135.71 Add to shopping cart
Available to order:
Usually ships
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#24 27-8M2003931 GASKET (Elbow 0 rise includes 1 gasket each) (2 required per assembly)
GASKET 27-8M2003931 27-8M2003931
27-8M2003931OEM Part 27-8M2003931 - Gasket (more info) About Mercury Marine $75.70 $64.81 Add to shopping cart
Available to order:
Usually ships
within 8 days
#25 879288T59 VALVE, Poppet Assembly (2 required per assembly)
VALVE Poppet Asse 879288T59  
879288T59OEM Part 879288T59 - Valve - Poppet (more info) About Mercury Marine $461.42 $461.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#26 25-8M2010475 GASKET, Poppet Cover (1 required per assembly)
GASKET Poppet Cov 27-8M2010475  
278M2010475OEM Part 278M2010475 - Gasket (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 8M2010186 POPPET (1 required per assembly)
POPPET 8M2010186  
8M2010186OEM Part 8M2010186 - Poppet (more info) About Mercury Marine $21.50 $18.41 Add to shopping cart
Available to order:
Usually ships
within 8 days
#28 30-863129 BALL (1 required per assembly)
BALL 30-863129 30-863129
30-863129OEM Part 30-863129 - Ball - Check (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
2 in stock. Explain stock levels
#29 25-864701 O-RING, (1.112 x .103) (1 required per assembly)
O-RING (1.112 x . 25-864701 25-864701
25-864701OEM Part 25-864701 - O-Ring - Priced Individually (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
Available to order:
Usually ships
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O Ring 18-7146-9
18-7146-9OEM Match 18-7146-9 - (PK5) O-Ring 25-47632 (more info)
Replaces OEM #0554545
About Sierra Marine $14.95 $8.73 Add to shopping cart
Available to order:
Usually ships
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#30 862994T FITTING (1 required per assembly)
FITTING 862994T  
862994TOEM Part 862994T - Connector (more info) About Mercury Marine $6.60 $6.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 24-42996 SPRING (1 required per assembly)
SPRING (Stainless 24-42996 24-42996
24-42996OEM Part 24-42996 - Spring (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#32 8M8020539 CAP, Poppet Valve (1 required per assembly)
CAP Poppet Valve 8M8020539  
8M8020539OEM Part 8M8020539 - Cap -Poppet (more info) About Mercury Marine $105.50 $90.34 Add to shopping cart
Available to order:
Usually ships
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#33 10-28668 SCREW, (.250-20 x .875) Stainless Steel (3 required per assembly)
SCREW (.250-20 x 10-28668 10-28668
10-28668OEM Part 10-28668 - Screw - Priced Individually (more info) About Mercury Marine $1.20 $1.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
Screw,Wtr Pckt/Mr Alpha 18-3229-9
18-3229-9OEM Match 18-3229-9 - Screw, 10-28668, 5PK (more info) About Sierra Marine $9.95 $4.54 Add to shopping cart
Available to order:
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#34 10-8M2003966 SCREW, (M8) Hex Flange (12 required per assembly)
SCREW (M8) Hex Fl 10-8M2003966 10-8M2003966
10-8M2003966OEM Part 10-8M2003966 - Screw (more info) About Mercury Marine $2.90 $2.90 Add to shopping cart
Available to order:
Usually ships
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#35 22-866725 FITTING, Straight (.750-14) (2 required per assembly) (See Note)
FITTING Straight 22-866725  
22-866725OEM Part 22-866725 - Steering Fitting 3/4 NPT (more info) About Mercury Marine $12.90 $12.90 Add to shopping cart
3 in stock. Explain stock levels
Brass Connector 18-4461
18-4461OEM Match 18-4461 - Brass Connector (more info) About Sierra Marine $15.63 $12.38 Add to shopping cart
1 in stock. Explain stock levels
#36 54-815504206 CLAMP, Worm Gear (4 required per assembly)
CLAMP Worm Gear 54-815504206  
54-815504206OEM Part 54-815504206 - Clamp (more info) About Mercury Marine $4.70 $4.70 Add to shopping cart
Available to order:
Usually ships
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#37 32-8M2004598 HOSE, To Heat Exchanger (1 required per assembly) Starboard (See Note)
HOSE 32-8M2004598  
32-8M2004598OEM Part 32-8M2004598 - Hose (more info) About Mercury Marine $33.50 $28.69 Add to shopping cart
Available to order:
Usually ships
within 8 days
#37 32-8M2004608 HOSE, To Heat Exchanger (1 required per assembly) Port (See Note)
HOSE 32-8M2004608  
32-8M2004608OEM Part 32-8M2004608 - Hose (more info) About Mercury Marine $33.60 $28.77 Add to shopping cart
Available to order:
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#38 32-8M2012906 HOSE, Poppet to Elbow (2 required per assembly) (MCM & MIE Inline) 4,6,8 in. Risers Cut to 26 in. (Included in Riser Kit Ref #23) (See Note)
HOSE              O - Replaced by 32-8M0062669  
32-8M2012906This part has been superseded. HOSE O - Replaced by 32-8M0062669
(more info)
    UnavailableUnavailable Parts
HOSE .50 ID X 45. 32-8M0062669  
328M0062669OEM Part 328M0062669 - Hose (more info) About Mercury Marine $19.83 $19.83 Add to shopping cart
Available to order:
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#39 22-8M2004390 FITTING, Straight (2 required per assembly) (MCM) (See Note)
FITTING Straight 22-8M2004390  
22-8M2004390OEM Part 22-8M2004390 - Fitting (more info) About Mercury Marine $14.20 $14.20 Add to shopping cart
Available to order:
Usually ships
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#40 22-8M2016321 FITTING, Straight (3/4 x 1.0) (2 required per assembly) (MIE) (See Note)
FITTING Straight 22-8M2016321  
22-8M2016321OEM Part 22-8M2016321 - Fitting (more info) About Mercury Marine $21.58 $21.58 Add to shopping cart
Available to order:
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#NS 54-8M2016531 CLAMP, Closed (2 required per assembly)
CLAMP Closed 54-8M2016531  
54-8M2016531OEM Part 54-8M2016531 - Clamp (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
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#NS 10-40107 16 SCREW, (M8 x 16) (2 required per assembly)
SCREW (M8 x 16) 10-40107 16 10-40107 16
10-40107 16OEM Part 10-40107 16 - Screw (more info) About Mercury Marine $2.90 $2.90 Add to shopping cart
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