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Parts for MerCruiser 496 Mag (H.O. Model) Block, Camshaft & Pistons

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#NS 865519A01 LONGBLOCK ASSEMBLY, Base (1 required per assembly) (Block Codes 4WW and 4WY)
LONGBLOCK         O - Replaced by -865752A01  
865519A01This part has been superseded. LONGBLOCK O - Replaced by -865752A01
(more info)
    UnavailableUnavailable Parts
ORD 8M0086000     O NLA  
865752A01 ORD 8M0086000 O NLA
(more info)
    UnavailableUnavailable Parts
#NS 865752A01 LONGBLOCK ASSEMBLY, Base (1 required per assembly) (Block Codes 4ZW and 4ZY)
#NS 865521A01 LONGBLOCK ASSEMBLY, H.O. (1 required per assembly) (Block Codes 4WA and 4WF)
LONGBLOCK         O - Replaced by -865754A01  
865521A01This part has been superseded. LONGBLOCK O - Replaced by -865754A01
(more info)
    UnavailableUnavailable Parts
ORD 8M0086001     O NLA  
865754A01 ORD 8M0086001 O NLA
(more info)
    UnavailableUnavailable Parts
LONG BLOCK     8M0086001  
8M0086001OEM Part 8M0086001 - LONG BLOCK (more info) About Mercury Marine $12,493.75 $12,493.75 Add to shopping cart
Available to order:
Usually ships
within 8 days
#NS 865754A01 LONGBLOCK ASSEMBLY, H.O (1 required per assembly) (Block Codes 4ZA and 4ZF)
#2 22-48341 PLUG, (.125-27 x .375), Oil Galley (3 required per assembly)
PLUG (.125-27 x . 22-48341  
22-48341OEM Part 22-48341 - Part, NLA (more info) About Mercury Marine $6.70 $4.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 22-883919 PLUG, Coolant Drain (1 required per assembly)
228M0114498 22-883919  
22-883919OEM Part 22-883919 - Drain Plug (more info) About Mercury Marine $11.00 $11.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 881669 DRIVE, Oil Pump, Oil Pump (1 required per assembly)
DRIVE-OIL PUMP    O - Replaced by -8M0045287 881669
881669This part has been superseded. DRIVE-OIL PUMP O - Replaced by -8M0045287
(more info)
    UnavailableUnavailable Parts
DRIVE-OIL PUMP    O - Replaced by -8M0099549  
8M0045287This part has been superseded. DRIVE-OIL PUMP O - Replaced by -8M0099549
(more info)
    UnavailableUnavailable Parts
DRIVE-OIL PUMP    O  
8M0099549 DRIVE-OIL PUMP O
(more info)
    UnavailableUnavailable Parts
#5 10-881590 SCREW, (M8 x 20), Oil Pump (1 required per assembly)
SCREW (M8 x 20) 10-881590 10-881590
10-881590OEM Part 10-881590 - Bolt (more info) About Mercury Marine $1.80 $1.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 17-845758 PIN, Dowel, Cylinder Head Locating (4 required per assembly)
1752190 17-845758  
17-845758OEM Part 17-845758 - Pin -Dowel (more info) About Mercury Marine $2.30 $2.30 Add to shopping cart
10+ in stock. Explain stock levels
PIN 17-52190  
17-52190OEM Part 17-52190 - Pin -Dowel (more info) About Mercury Marine $7.50 $7.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 881667 SENSOR, Crankshaft Position (1 required per assembly)
SENSOR            O - Replaced by -892617  
881667This part has been superseded. SENSOR O - Replaced by -892617
(more info)
    UnavailableUnavailable Parts
SENSOR 892617 892617
892617OEM Part 892617 - Crankshaft Sensor (more info) About Mercury Marine $225.00 $225.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 10-881595 SCREW, (M6 x 21), Crankshaft Position Sensor (1 required per assembly)
SCREW (M6 x 21) 10-881595 10-881595
10-881595OEM Part 10-881595 - Bolt (more info) About Mercury Marine $13.90 $13.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 11-68219 NUT, (#10-32) Stainless Steel (1 required per assembly)
NUT (#10-32) Stai 11-68219  
11-68219OEM Part 11-68219 - Nut - Priced Individually (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#11 22-805563 CONNECTOR, (.500 Inch NPTF To .500 Inch Inverted Flare) (1 required per assembly)
CONNECTOR (.500 I 22-805563  
22-805563OEM Part 22-805563 - Fitting (more info) About Mercury Marine $12.70 $12.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 878187 SENSOR ASSEMBLY, Knock (2 required per assembly)
SENSOR-KNOCK      O - Replaced by -8M6003194 878187
878187This part has been superseded. SENSOR-KNOCK O - Replaced by -8M6003194
(more info)
    UnavailableUnavailable Parts
SENSOR-KNOCK      O  
8M6003194 SENSOR-KNOCK O
(more info)
    UnavailableUnavailable Parts
KNOCK SENSOR 18-7554
18-7554OEM Match 18-7554 - Knock Sensor 878187 (more info) About Sierra Marine $88.16 $73.61 Add to shopping cart
3 in stock. Explain stock levels
#13 87-815425T SENDER ASSEMBLY, Oil Pressure (1 required per assembly)
8M0068784 815425T 815425T
815425TOEM Part 815425T - 8M0068784 (more info) About Mercury Marine $38.75 $38.75 Add to shopping cart
1 in stock. Explain stock levels
OIL PRESSURE SEND 8M0068784 8M0068784
8M0068784OEM Part 8M0068784 - Sender Assembly (more info) About Mercury Marine $62.92 $62.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
Oil Press. Sender 18-5899
18-5899OEM Match 18-5899 - Sender, 982650, 815425T (more info)
Replaces OEM #3853800
About Sierra Marine $35.49 $28.26 Add to shopping cart
9 in stock. Explain stock levels
#14 22-48340 PLUG, (.250-18 x .41), Oil Galley (1 required per assembly)
2232561 22-48340  
22-48340OEM Part 22-48340 - Plug (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
10+ in stock. Explain stock levels
PLUG Pipe - Allen 22-32561 22-32561
22-32561OEM Part 22-32561 - Plug - Priced Individually (more info) About Mercury Marine $4.60 $4.60 Add to shopping cart
10+ in stock. Explain stock levels
#14 22-34487 PLUG, (.375-18 x .42), Pipe - Oil Galley (2 required per assembly)
PLUG              O - Replaced by 22-36373  
19-34487This part has been superseded. PLUG O - Replaced by 22-36373
(more info)
    UnavailableUnavailable Parts
PLUG (.375-18) He 22-36373  
22-36373OEM Part 22-36373 - Plug (more info) About Mercury Marine $4.10 $4.10 Add to shopping cart
4 in stock. Explain stock levels
#14 22-881568 PLUG, Engine Coolant (1 required per assembly)
PLUG 22-881568  
22-881568OEM Part 22-881568 - Plug (more info) About Mercury Marine $12.08 $12.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 22-881569 PLUG, (.250-18 x .54), Engine Coolant (1 required per assembly)
PLUG (.250-18 x . 22-881569  
22-881569OEM Part 22-881569 - Plug (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 23-881659 BEARING, Camshaft (1 required per assembly) (pos 1)
ORD 23- 85684     O NLA  
23-881659 ORD 23- 85684 O NLA
(more info)
    UnavailableUnavailable Parts
#17 23-881660 BEARING, Camshaft (2 required per assembly) (pos 2 / 5)
ORD 23- 85684     O NLA  
23-881660 ORD 23- 85684 O NLA
(more info)
    UnavailableUnavailable Parts
#18 23-881661 BEARING, Camshaft (2 required per assembly) (pos 3 / 4)
ORD 85684         O NLA  
23-881661 ORD 85684 O NLA
(more info)
    UnavailableUnavailable Parts
#19 19-94140 EXPANSION PLUG, Camshaft Bearing Hole (1 required per assembly)
EXPANSION PLUG 19-94140  
19-94140OEM Part 19-94140 - Plug (more info) About Mercury Marine $3.60 $2.02 Add to shopping cart
7 in stock. Explain stock levels
#20 431-881627 CAMSHAFT (1 required per assembly) (Base)
CAMSHAFT 431-881627 431-881627
431-881627OEM Part 431-881627 - Camshaft (more info) About Mercury Marine $642.86 $642.86 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 431-881628 CAMSHAFT (1 required per assembly) (H.O.)
CAMSHAFT 431-881628 431-881628
431-881628OEM Part 431-881628 - Camshaft (more info) About Mercury Marine $642.86 $642.86 Add to shopping cart
Available to order:
Usually ships
within 8 days
#21 17-35312 PIN, Dowel (1/4 n. Diameter) (1 required per assembly) Camshaft Sprocket Location
PIN-DOWEL         O - Replaced by 17-843378  
17-35312This part has been superseded. PIN-DOWEL O - Replaced by 17-843378
(more info)
    UnavailableUnavailable Parts
PIN Dowel 17-843378  
17-843378OEM Part 17-843378 - Pin -Dowel (more info) About Mercury Marine $10.60 $10.60 Add to shopping cart
1 in stock. Explain stock levels
#22 845941 RETAINER, Camshaft (1 required per assembly)
RETAINER 845941 845941
845941OEM Part 845941 - Retainer (more info) About Mercury Marine $18.75 $18.75 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 10-881588 SCREW (1 required per assembly)
SCREW 10-881588 10-881588
10-881588OEM Part 10-881588 - Bolt (more info) About Mercury Marine $7.90 $7.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 892640 SPROCKET, Camshaft (1 required per assembly)
SPROCKET-CAMSHAFT O - Replaced by -892640001 892640
892640This part has been superseded. SPROCKET-CAMSHAFT O - Replaced by -892640001
(more info)
    UnavailableUnavailable Parts
SPROCKET 892640001 892640001
892640001OEM Part 892640001 - Camshaft Sprocket (more info) About Mercury Marine $249.17 $249.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
#25 10-881570 SCREW, (M8 x 25) (3 required per assembly)
SCREW (M8 x 25 MM 10-881570 10-881570
10-881570OEM Part 10-881570 - Bolt (more info) About Mercury Marine $3.70 $3.70 Add to shopping cart
3 in stock. Explain stock levels
#26 881626 CHAIN, Camshaft Timing (1 required per assembly)
CHAIN 881626 881626
881626OEM Part 881626 - Chain (more info) About Mercury Marine $262.92 $262.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 735-881592 PISTON ASSEMBLY, Standard (Starboard) (4 required per assembly) SN# BASE 0W020104 / H.O. 0W020080 & Below
PISTON-STD-STBD   O - Replaced by 735-881592002 735-881592
735-881592This part has been superseded. PISTON-STD-STBD O - Replaced by 735-881592002
(more info)
    UnavailableUnavailable Parts
PISTON ASSEMBLY S 735-881592002 735-881592002
735-881592002OEM Part 735-881592002 - Piston - Std - Stbd (more info) About Mercury Marine $421.43 $421.43 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 735-881592002 PISTON ASSEMBLY, Standard/Floating Design (Starboard) (4 required per assembly) SN# BASE 0W020105 / H.O. 0W020081 & Up
#27 735-881592001 PISTON ASSEMBLY, Standard/Floating Design (Starboard) (4 required per assembly) SN# BASE 0W020105 / H.O. 0W020081 & Up
ORD 735-881592002 O NLA 735-881592001
735-881592001 ORD 735-881592002 O NLA
(more info)
    UnavailableUnavailable Parts
#27 735-883515 PISTON ASSEMBLY, Standard (Port) (4 required per assembly) SN# BASE 0W020104 / H.O. 0W020080 & Below
PISTON-STD-PORT   O - Replaced by 735-883515002 735-883515
735-883515This part has been superseded. PISTON-STD-PORT O - Replaced by 735-883515002
(more info)
    UnavailableUnavailable Parts
PISTON ASSEMBLY S 735-883515002 735-883515002
735-883515002OEM Part 735-883515002 - Piston - Std - Port (more info) About Mercury Marine $421.43 $421.43 Add to shopping cart
Available to order:
Usually ships
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#27 735-883515002 PISTON ASSEMBLY, Standard/Floating Design (Port) (4 required per assembly) SN# BASE 0W020105 / H.O. 0W020081 & Up
#27 735-883515001 PISTON ASSEMBLY, Standard/Floating Design (Port) (4 required per assembly) SN# BASE 0W020105 / H.O. 0W020081 & Up
ORD 735-883515002 O NLA  
735-883515001 ORD 735-883515002 O NLA
(more info)
    UnavailableUnavailable Parts
#27 735-881596 PISTON ASSEMBLY, .030 Oversize (Starboard) (AR required per assembly) SN# BASE 0W020104 / H.O. 0W020080 & Below
PISTON-.030-STBD  O - Replaced by 735-881596002 735-881596
735-881596This part has been superseded. PISTON-.030-STBD O - Replaced by 735-881596002
(more info)
    UnavailableUnavailable Parts
PISTON ASSEMBLY . 735-881596002 735-881596002
735-881596002OEM Part 735-881596002 - Piston - 030- Stbd (more info) About Mercury Marine $221.67 $221.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 735-881596002 PISTON ASSEMBLY, .030/Floating Design (Starboard) (AR required per assembly) SN# BASE 0W020105 / H.O. 0W020081 & Up
#27 735-881596001 PISTON ASSEMBLY, .030/Floating Design, Without Connecting Rod(Starboard) (AR required per assembly) SN# BASE 0W020105 / H.O. 0W020081 & Up
ORD 735-881596002 O NLA  
735-881596001 ORD 735-881596002 O NLA
(more info)
    UnavailableUnavailable Parts
#27 735-881597 PISTON ASSEMBLY, .030 Oversize (Port) (AR required per assembly) SN# BASE 0W020104 / H.O. 0W020080 & Below
PISTON-.030-PORTC O - Replaced by 735-881597002 735-881597
735-881597This part has been superseded. PISTON-.030-PORTC O - Replaced by 735-881597002
(more info)
    UnavailableUnavailable Parts
PISTON ASSEMBLY . 735-881597002 735-881597002
735-881597002OEM Part 735-881597002 - Piston - 030- Port (more info) About Mercury Marine $251.58 $251.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 735-881597002 PISTON ASSEMBLY, .030/Floating Design (Port) (AR required per assembly) SN# BASE 0W020105 / H.O. 0W020081 & Up
#27 735-881597001 PISTON ASSEMBLY, .030/Floating Design, Without Connecting Rod(Port) (AR required per assembly) SN# BASE 0W020105 / H.O. 0W020081 & Up
ORD 735-881597002 O NLA 735-881597001
735-881597001 ORD 735-881597002 O NLA
(more info)
    UnavailableUnavailable Parts
#28 NSS NOT SOLD SEPARATE, ROD-Connecting (8 required per assembly)
#29 10-883917 SCREW, Connecting Rod (16 required per assembly)
SCREW 10-883917 10-883917
10-883917OEM Part 10-883917 - Bolt (more info) About Mercury Marine $25.08 $25.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#30 11-883918 NUT, Connecting Rod (16 required per assembly)
NUT 11-883918  
11-883918OEM Part 11-883918 - Nut (more info) About Mercury Marine $24.92 $24.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 39-881601 RING KIT, Piston(Standard) (8 required per assembly)
RING KIT 39-881601 39-881601
39-881601OEM Part 39-881601 - Ring Kit - Std (more info) About Mercury Marine $152.50 $152.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 39-881602 RING KIT, Piston (AR required per assembly) (.030 Over Size)
RING KIT 39-881602 39-881602
39-881602OEM Part 39-881602 - Ring Kit -.030 Os (more info) About Mercury Marine $230.25 $230.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#32 23-883239 BEARING, Connecting Rod (8 required per assembly)
BEARING KIT       O - Replaced by 23-883239  1  
23-883239This part has been superseded. BEARING KIT O - Replaced by 23-883239 1
(more info)
    UnavailableUnavailable Parts
BEARING KIT 23-883239  1 23-883239  1
23-883239 1OEM Part 23-883239 1 - Bearing Kit (more info) About Mercury Marine $99.92 $99.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#33 22-881567 PLUG, Oil Galley (4 required per assembly)
PLUG              O - Replaced by 22-881567001  
22-881567This part has been superseded. PLUG O - Replaced by 22-881567001
(more info)
    UnavailableUnavailable Parts
PLUG 22-881567001  
22-881567001OEM Part 22-881567001 - Plug (more info) About Mercury Marine $10.10 $10.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#34 22-881598 PLUG, Oil Galley (3 required per assembly)
PLUG              O - Replaced by 22-48341  
22-881598This part has been superseded. PLUG O - Replaced by 22-48341
(more info)
    UnavailableUnavailable Parts
#36 883514 PUMP, Circulating ( required per assembly)
PUMP ASSY-WATER   O - Replaced by -883925  
883514This part has been superseded. PUMP ASSY-WATER O - Replaced by -883925
(more info)
    UnavailableUnavailable Parts
PUMP ASSY-WATER 883925 883925
883925OEM Part 883925 - Water Pump Assembly (more info) About Mercury Marine $274.08 $274.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
Water Circulating Pump 18-3573
18-3573OEM Match 18-3573 - Circulating Pump, 883925 (more info) About Sierra Marine $246.99 $201.97 Add to shopping cart
1 in stock. Explain stock levels
#37 27-881603 GASKET, Circulating Pump (2 required per assembly)
27881603001 27-881603  
27-881603OEM Part 27-881603 - Gasket (more info) About Mercury Marine $16.60 $16.60 Add to shopping cart
3 in stock. Explain stock levels
GASKET 27-881603001 27-881603001
27-881603001OEM Part 27-881603001 - Gasket (more info) About Mercury Marine $28.25 $28.25 Add to shopping cart
2 in stock. Explain stock levels
#38 862583 PULLEY, Circulating Pump (1 required per assembly)
PULLEY 862583 862583
862583OEM Part 862583 - Water Pump Pulley (more info) About Mercury Marine $42.10 $42.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#39 10-40107 16 SCREW, (M8 x 16) (4 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
#40 10-881576 SCREW, (M10 x 65) (3 required per assembly)
SCREW (M10 x 65) 10-881576 10-881576
10-881576OEM Part 10-881576 - Bolt (more info) About Mercury Marine $4.90 $4.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#40 10-884036 SCREW, (M10 x 95) (1 required per assembly)
SCREW (M10 x 95) 10-884036 10-884036
10-884036OEM Part 10-884036 - Screw (more info) About Mercury Marine $13.90 $13.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#41 16-862915 STUD, (.250-18/M10 Special), Knock Sensor (2 required per assembly)
STUD (.250-18/M10 16-862915  
16-862915OEM Part 16-862915 - Stud (more info) About Mercury Marine $19.58 $19.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#42 11-826292 NUT, (M10) Brass/Nickel Plated, Knock Sensor (2 required per assembly)
NUT (M10) Brass/N 11-826292  
11-826292OEM Part 11-826292 - Nut (more info) About Mercury Marine $2.90 $2.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#43 881879A 6 SENSOR, (0 - 100 PSI), Oil Pressure (1 required per assembly)
SENSOR KIT        O - Replaced by -881879011  
881879A 6This part has been superseded. SENSOR KIT O - Replaced by -881879011
(more info)
    UnavailableUnavailable Parts
SENSOR-PRESSURE   O - Replaced by -881879T11 881879011
881879011This part has been superseded. SENSOR-PRESSURE O - Replaced by -881879T11
(more info)
    UnavailableUnavailable Parts
SENSOR Pressure ( 881879T11 881879T11
881879T11OEM Part 881879T11 - Pressure Sensor (more info) About Mercury Marine $136.58 $136.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#44 22-29085 FITTING, Elbow (45 Degree) (2 required per assembly)
228M0109010 22-29085  
22-29085OEM Part 22-29085 - Fitting (more info) About Mercury Marine $13.30 $13.30 Add to shopping cart
3 in stock. Explain stock levels
#45 22-64013 FITTING, (.375 Male To .125 Female), Reducer (1 required per assembly)
FITTING (.375 Mal 22-64013  
22-64013OEM Part 22-64013 - Reducer (more info) About Mercury Marine $7.90 $7.90 Add to shopping cart
6 in stock. Explain stock levels
#46 22-805059 FITTING, Reducer Bushing (1 required per assembly)
FITTING 22-805059  
22-805059OEM Part 22-805059 - Bushing (more info) About Mercury Marine $7.80 $7.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#47 13-26996 LOCKWASHER, (#10) Stainless Steel (1 required per assembly)
LOCKWASHER (#10) 13-26996  
13-26996OEM Part 13-26996 - LockWasher - Priced Individually (more info) About Mercury Marine $0.84 $0.84 Add to shopping cart
10+ in stock. Explain stock levels
#48 22-38407 PLUG, (.500-14), Pipe (1 required per assembly)
PLUG (.500-14) 22-38407  
22-38407OEM Part 22-38407 - Plug (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
1 in stock. Explain stock levels