Logo

Parts for MerCruiser 496 Mag (H.O. Model) Exhaust Manifold (With Water Rail) , Elbow, & Riser

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 863120T 2 MANIFOLD ASSEMBLY, Exhaust (2 required per assembly)
MANIFOLD ASSY-EXH O - Replaced by -863120T03 863120T 2
863120T 2This part has been superseded. MANIFOLD ASSY-EXH O - Replaced by -863120T03
(more info)
    UnavailableUnavailable Parts
MANIFOLD-EXHAUST  O - Replaced by -866178A02 863120T03
863120T03This part has been superseded. MANIFOLD-EXHAUST O - Replaced by -866178A02
(more info)
    UnavailableUnavailable Parts
MANIFOLD-EXH CONV 866178A02 866178A02
866178A02OEM Part 866178A02 - Exhaust Manifold Conv (more info) About Mercury Marine $744.08 $744.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 862992T 1 RAIL, Water (1 required per assembly)
RAIL Water 862992T 1 862992T 1
862992T 1OEM Part 862992T 1 - Water Rail (more info) About Mercury Marine $203.67 $203.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 25-863090 O-RING (4 required per assembly)
O-RING 25-863090  
25-863090OEM Part 25-863090 - O-Ring (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
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
10-40088 25OEM Part 10-40088 25 - Screw (more info) About Mercury Marine $1.80 $1.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 10-40088 45 SCREW, (M6 x 45) (2 required per assembly)
SCREW (M6 x 45) 10-40088 45 10-40088 45
10-40088 45OEM Part 10-40088 45 - Screw (more info) About Mercury Marine $8.70 $8.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 12-22937 WASHER (6 required per assembly)
WASHER Note: must be ordered in multiples of 5 12-22937  
12-22937OEM Part 12-22937 - Washer - Priced Individually (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
10+ in stock. Explain stock levels
#7 22-42861 1 FITTING, Pipe - Brass (.750-14) (2 required per assembly)
FITTING Pipe - Br 22-42861  1 22-42861  1
22-42861 1OEM Part 22-42861 1 - Pipe Plug (more info) About Mercury Marine $7.30 $7.30 Add to shopping cart
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
27-46820OEM Part 27-46820 - Gasket - Priced Individually Long (more info) About Mercury Marine $19.60 $16.78 Add to shopping cart
4 in stock. Explain stock levels
Gasket 18-0418
18-0418OEM Match 18-0418 - Manifold Gasket Big Bk Chevy (more info)
Replaces OEM #3852472
About Sierra Marine $14.49 $11.74 Add to shopping cart
10+ in stock. Explain stock levels
#9 10-40089 35 SCREW, (M8 x 35) Stainless Steel (8 required per assembly)
SCREW (M8 x 35) S 10-40089 35 10-40089 35
10-40089 35OEM Part 10-40089 35 - Screw (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 10-40089 70 SCREW, (M8 x 70) Stainless Steel (8 required per assembly)
SCREW (M8 x 70) S 10-40089 70 10-40089 70
10-40089 70OEM Part 10-40089 70 - Screw (more info) About Mercury Marine $4.20 $4.20 Add to shopping cart
8 in stock. Explain stock levels
#11 12-12038 WASHER (16 required per assembly)
WASHER 12-12038  
12-12038OEM Part 12-12038 - Washer (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
5 in stock. Explain stock levels
#12 865331A01 ELBOW, Exhaust (2 required per assembly) (Standard Rise)
ELBOW-EXHAUST     O - Replaced by -865331A02 865331A01
865331A01This part has been superseded. ELBOW-EXHAUST O - Replaced by -865331A02
(more info)
    UnavailableUnavailable Parts
ELBOW 865331A02 865331A02
865331A02OEM Part 865331A02 - Exhaust Elbow (more info) About Mercury Marine $756.67 $756.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 865332A01 ELBOW, Exhaust (2 required per assembly) (2 Inch Rise)
ELBOW-EXHAUST     O - Replaced by -865332A02 865332A01
865332A01This part has been superseded. ELBOW-EXHAUST O - Replaced by -865332A02
(more info)
    UnavailableUnavailable Parts
ELBOW Black 865332A02 865332A02
865332A02OEM Part 865332A02 - Exhaust Elbow (more info) About Mercury Marine $643.25 $643.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 32-863095 HOSE, Elbow to Manifold (4 required per assembly)
HOSE 32-863095  
32-863095OEM Part 32-863095 - Molded Hose (more info) About Mercury Marine $33.10 $28.35 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 54-815504216 CLAMP, Worm Gear (1.56 Diameter), Hose (8 required per assembly)
CLAMP Worm Gear ( 54-815504216 54-815504216
54-815504216OEM Part 54-815504216 - Clamp (more info) About Mercury Marine $12.80 $12.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 16-820451 1 STUD, (M8 x 55) (3 required per assembly)
STUD (M8 x 55) 16-820451  1  
16-820451 1OEM Part 16-820451 1 - Stud (more info) About Mercury Marine $6.20 $6.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 16-42463 2 STUD, (M8 x 37.1) (9 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
within 8 days
#17 11-40020 30 NUT, (M8) (8 required per assembly)
NUT (M8) 11-40020 30 11-40020 30
11-40020 30OEM Part 11-40020 30 - Nut (more info) About Mercury Marine $5.40 $5.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 27-862356 GASKET, Elbow to Manifold (4 required per assembly)
GASKET 27-862356 27-862356
27-862356OEM Part 27-862356 - Gasket (more info) About Mercury Marine $8.70 $8.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#19 863122 TURBULATOR, Exhaust (2 required per assembly)
TURBULATOR        O - Replaced by -8M2000433  
863122This part has been superseded. TURBULATOR O - Replaced by -8M2000433
(more info)
    UnavailableUnavailable Parts
GASKET Turbulator 8M2000433 8M2000433
8M2000433OEM Part 8M2000433 - Gasket (more info) About Mercury Marine $54.92 $54.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 858535 SENSOR ASSEMBLY, Temperature (2 required per assembly)
SENSOR ASSY-TEMP  O - Replaced by -889575  
858535This part has been superseded. SENSOR ASSY-TEMP O - Replaced by -889575
(more info)
    UnavailableUnavailable Parts
SENSOR ASSEMBLY 889575 889575
889575OEM Part 889575 - Temperature Sensor Assembly (more info) About Mercury Marine $41.67 $41.67 Add to shopping cart
2 in stock. Explain stock levels
#21 25-62702 1 O-RING, (.301 x .070) (1 required per assembly)
O-RING (.301 x .0 25-62702  1  
25-62702 1OEM Part 25-62702 1 - O-Ring (more info) About Mercury Marine $1.20 $1.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#22 30-863129 BALL, Check (2 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
#23 863116A 1 CONNECTOR, Water Rail (2 required per assembly)
CONNECTOR (PAIR) 863116A 1 863116A 1
863116A 1OEM Part 863116A 1 - Connector (pair) (more info) About Mercury Marine $88.50 $88.50 Add to shopping cart
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
10-40107 16OEM Part 10-40107 16 - Screw (more info) About Mercury Marine $2.90 $2.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#26 863124T RISER, (6 Inch) (2 required per assembly)
RISER-5 INCH      O - Replaced by -866768T  
863124TThis part has been superseded. RISER-5 INCH O - Replaced by -866768T
(more info)
    UnavailableUnavailable Parts
RISER (6 Inch) 866768T 866768T
866768TOEM Part 866768T - Exhaust Riser (more info) About Mercury Marine $429.58 $429.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 32-863102 HOSE (4 required per assembly)
HOSE 32-863102  
32-863102OEM Part 32-863102 - Molded Hose (more info) About Mercury Marine $21.58 $21.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#28 16-863121 STUD, (M8 x 194) (8 required per assembly)
STUD (M8 x 194) 16-863121  
16-863121OEM Part 16-863121 - Stud (more info) About Mercury Marine $9.40 $9.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#NS 19-807992 3 COVER, Hose Clamp End (8 required per assembly)
COVER-.375 @20    O - Replaced by 19-8M6500037  
19-807992 3This part has been superseded. COVER-.375 @20 O - Replaced by 19-8M6500037
(more info)
    UnavailableUnavailable Parts
COVER-CLAMP @20   O - Replaced by 19-8M0074364  
19-8M6500037This part has been superseded. COVER-CLAMP @20 O - Replaced by 19-8M0074364
(more info)
    UnavailableUnavailable Parts
CAP 19-8M0074364  
198M0074364OEM Part 198M0074364 - Cover-Clamp Note: Must be ordered in multiples of 20 (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#29 861776A 2 PLATE KIT, Exhaust Block Off (1 required per assembly)
PLATE KIT 861776A 2 861776A 2
861776A 2OEM Part 861776A 2 - Exhaust Plate Kit (more info) About Mercury Marine $66.33 $66.33 Add to shopping cart
1 in stock. Explain stock levels
#30 10-98794 SCREW, (.375-16 x 1.00) (4 required per assembly)
SCREW (.375-16 x 10-98794 10-98794
10-98794OEM Part 10-98794 - Screw (more info) About Mercury Marine $3.10 $3.10 Add to shopping cart
8 in stock. Explain stock levels
Screw, Upper Drive Cap 18-3231
18-3231OEM Match 18-3231 - Bolt, 10-98794 (more info) About Sierra Marine $2.99 $2.41 Add to shopping cart
1 in stock. Explain stock levels
#31 13-41471 LOCKWASHER, (.375) (4 required per assembly)
LOCKWASHER (.375) 13-41471  
13-41471OEM Part 13-41471 - LockWasher (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
1 in stock. Explain stock levels
#32 860222A 1 RESONATOR, Exhaust (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
#33 22-865096 PLUG, Composite (2 required per assembly)
PLUG-PIPE 22-865096  
22-865096OEM Part 22-865096 - Pipe Plug (more info) About Mercury Marine $6.25 $6.25 Add to shopping cart
10+ in stock. Explain stock levels
#34 22-864930 FITTING, Straight (2 required per assembly)
FITTING Straight 22-864930  
22-864930OEM Part 22-864930 - Fitting (more info) About Mercury Marine $16.00 $16.00 Add to shopping cart
Available to order:
Usually ships
within 8 days