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Parts for Mariner 50MH Cylinder Block

# 802806A99 POWERHEAD ASSEMBLY (1 required per assembly) (40 Lightning XR/50)
802806A99 - POWERHEAD ASSEMBL  - Replaced by -802806A01
 

This part has been superseded.

802806A99 - 802806A99 - POWERHEAD ASSEMBL [ More info ]
Unavailable
Replaced by -802806A01
802806A01 - POWERHEAD          - Replaced by -802806A02
 

This part has been superseded.

802806A01 - 802806A01 - POWERHEAD [ More info ]
Unavailable
Replaced by -802806A02
802806A02 - POWERHEAD          - Replaced by -8M0062094
 

This part has been superseded.

802806A02 - 802806A02 - POWERHEAD [ More info ]
Unavailable
Replaced by -8M0062094
8M0062094 - POWERHEAD          - Replaced by 61-8M0069647
 

This part has been superseded.

8M0062094 - 8M0062094 - POWERHEAD [ More info ]
Unavailable
Replaced by 61-8M0069647
61-8M0069647 - POWERHEAD          - Replaced by -8M0069514
 

This part has been superseded.

61-8M0069647 - 61-8M0069647 - POWERHEAD [ More info ]
Unavailable
Replaced by -8M0069514
8M0069514 - SHORT BLOCK        - Replaced by -8M0147022
 

8M0069514 - 8M0147022 [ More info ]
Unavailable
8M0147022 - SHORT BLOCK
 

About Mercury Marine

OEM Part

8M0147022 - SHORT BLOCK [ More info ]
Unavailable
# 19-898101264 WELCH PLUG (1 required per assembly)
PLUG-WELCH 19-898101264
 

About Mercury Marine

OEM Part

19-898101264 - Plug-WELCH [ More info ]

Add to shopping cart $8.70
Available to Order: Usually ships within 10 days.

# 27-812937A02 GASKET SET, Powerhead (1 required per assembly)
27-812937A02 - GASKET SET Powerh  - Replaced by 27-812937A03
 

This part has been superseded.

27-812937A02 - 27-812937A02 - GASKET SET Powerh [ More info ]
Unavailable
Replaced by 27-812937A03
27-812937A03 - GASKET             - Replaced by 27-8M0047034
 

This part has been superseded.

27-812937A03 - 27-812937A03 - GASKET [ More info ]
Unavailable
Replaced by 27-8M0047034
27-8M0047034 - GASKET SET         - Replaced by 27-8M0062092
 

This part has been superseded.

27-8M0047034 - 27-8M0047034 - GASKET SET [ More info ]
Unavailable
Replaced by 27-8M0062092
27-8M0062092 - GASKET SET         - Replaced by 27-8M0081614
 

This part has been superseded.

27-8M0062092 - 27-8M0062092 - GASKET SET [ More info ]
Unavailable
Replaced by 27-8M0081614
GASKET SET 27-8M0081614
 

About Mercury Marine

OEM Part

278M0081614 - Gasket Set [ More info ]

Add to shopping cart $245.25
Available to Order: Usually ships within 10 days.

# 851886A06 POWERHEAD ASSEMBLY (1 required per assembly) (40)
851886A06 - POWERHEAD ASSEMBL  - Replaced by -851886T07
 

This part has been superseded.

851886A06 - 851886A06 - POWERHEAD ASSEMBL [ More info ]
Unavailable
Replaced by -851886T07
851886T07 - POWERHED           - Replaced by -8M0046561
 

This part has been superseded.

851886T07 - 851886T07 - POWERHED [ More info ]
Unavailable
Replaced by -8M0046561
8M0046561 - POWERHEAD          - Replaced by -8M0146290
 

8M0046561 - Powerhead [ More info ]
Unavailable
8M0146290 - SHORT BLOCK
 

About Mercury Marine

OEM Part

8M0146290 - SHORT BLOCK [ More info ]
Unavailable
# 804056A 1 STARTER MOTOR KIT (1 required per assembly)
804056A 1 - STARTER MOTOR KIT
 

About Mercury Marine

OEM Part

804056A 1 - Electric Start Kit [ More info ]
Unavailable
#1 878-815013A11 CYLINDER BLOCK ASSEMBLY (1 required per assembly) (40)
878-815013A11 - CYLINDER BLOCK AS  - Replaced by 878-8M0082197
 

This part has been superseded.

878-815013A11 - 878-815013A11 - CYLINDER BLOCK AS [ More info ]
Unavailable
Replaced by 878-8M0082197
878-8M0082197 - CYLINDER BLOCK
 

About Mercury Marine

OEM Part

8788M0082197 - Cylinder Block [ More info ]
Unavailable
#1 878-815013A 4 CYLINDER BLOCK (1 required per assembly) (40 Lightning XR/50)
878-815013A 4 - CYLINDER BLOCK     - Replaced by 878-8M0082198
 

This part has been superseded.

878-815013A 4 - 878-815013A 4 - CYLINDER BLOCK [ More info ]
Unavailable
Replaced by 878-8M0082198
878-8M0082198 - CYLINDER BLOCK
 

About Mercury Marine

OEM Part

8788M0082198 - Cylinder Block [ More info ]
Unavailable
#2 10-16695 1 BOLT (14 required per assembly)
BOLT 10-16695  1
 

About Mercury Marine

OEM Part

10-16695 1 - Bolt [ More info ]

Add to shopping cart $3.20
Available to Order: Usually ships within 10 days.

#3 12-40022 17 WASHER (14 required per assembly)
WASHER 12-40022 17
 

About Mercury Marine

OEM Part

12-40022 17 - Washer, Carburetor Stud [ More info ]

Add to shopping cart $1.40
Available to Order: Usually ships within 10 days.

#4 17-16119 PIN, Dowel (2 required per assembly)
DOWEL PIN 17-16119
 

About Mercury Marine

OEM Part

17-16119 - Dowel Pin [ More info ]

Add to shopping cart $7.90 $6.72
4 In Stock.

#5 17-95218 12 PIN, Dowel (1 required per assembly)
17-95218 12 - PIN Dowel
 

About Mercury Marine

OEM Part

17-95218 12 - PIN Dowel [ More info ]
Unavailable
#6 21-853696 BLEED VALVE (3 required per assembly)
21-853696 - BLEED VALVE        NLA
 

About Mercury Marine

OEM Part

21-853696 - BLEED VALVE NLA [ More info ]
Unavailable
#7 22-812960 CONNECTOR (3 required per assembly)
228M0064617 22-812960
 

About Mercury Marine

OEM Part

22-812960 - Nipple Fitting [ More info ]

Add to shopping cart $1.50
1 In Stock.

FITTING-NIPPLE 22-8M0064617
 

About Mercury Marine

OEM Part

228M0064617 - Nipple Fitting [ More info ]

Add to shopping cart $6.50
Available to Order: Usually ships within 10 days.

#8 32-95223009 TUBING, (220 mm) (1 required per assembly)
32-95223009 - TUBING (220 mm)    NLA
 

About Mercury Marine

OEM Part

32-95223009 - TUBING (220 mm) NLA [ More info ]
Unavailable
#9 32-898101227 HOSE, Rubber (330 mm) (1 required per assembly)
32-898101227 - HOSE Rubber (330   NLA
 

About Mercury Marine

OEM Part

32-898101227 - Hose, NLA [ More info ]
Unavailable
#10 54-95332002 CLIP (6 required per assembly)
CLIP 54-95332002
 

About Mercury Marine

OEM Part

54-95332002 - Clip [ More info ]

Add to shopping cart $0.90
Available to Order: Usually ships within 10 days.

#11 979-9630 5 CYLINDER HEAD (1 required per assembly)
CYLINDER HEAD 979-9630  5
 

About Mercury Marine

OEM Part

979-9630 5 - Cylinder Head [ More info ]

Add to shopping cart $220.83
Available to Order: Usually ships within 10 days.

#12 27-812939 10 GASKET (1 required per assembly)
27-812939 10 - GASKET             - Replaced by 27-8M0062091
 

27-812939 10 - Cylinder Head Gasket [ More info ]
Unavailable
GASKET CYL HEAD 27-8M0062091
 

About Mercury Marine

OEM Part

278M0062091 - Cylinder Head Gasketead [ More info ]

Add to shopping cart $97.17
Available to Order: Usually ships within 10 days.

#13 855548 COVER (1 required per assembly)
COVER 855548
 

About Mercury Marine

OEM Part

855548 - Cover [ More info ]

Add to shopping cart $85.83
Available to Order: Usually ships within 10 days.

#14 27-812939 11 GASKET (1 required per assembly)
27-812939 11 - GASKET             - Replaced by 27-8M0115016
 

27-812939 11 - Cylinder Head Cover Gasket [ More info ]
Unavailable
GASKET 27-8M0115016
 

About Mercury Marine

OEM Part

278M0115016 - Gasket [ More info ]

Add to shopping cart $60.75
Available to Order: Usually ships within 10 days.

#15 10-16698 2 BOLT (14 required per assembly)
10-16698  2 - BOLT               - Replaced by 10-8M0068940
 

10-16698 2 - BOLT [ More info ]
Unavailable
10-8M0068940 - BOLT               - Replaced by 10-8M0106717
 

This part has been superseded.

10-8M0068940 - 10-8M0068940 - BOLT [ More info ]
Unavailable
Replaced by 10-8M0106717
BOLT 10-8M0106717
 

About Mercury Marine

OEM Part

108M0106717 - Bolt [ More info ]

Add to shopping cart $7.00
Available to Order: Usually ships within 10 days.

#16 12-16238 1 WASHER (14 required per assembly)
12-16238  1 - WASHER             - Replaced by 12-8M0065568
 

This part has been superseded.

12-16238 1 - 12-16238 1 - WASHER [ More info ]
Unavailable
Replaced by 12-8M0065568
12-8M0065568 - WASHER             - Replaced by 12-8M0106719
 

128M0065568 - 128M0106719 [ More info ]
Unavailable
12-8M0106719 - WASHER             - Replaced by 12-8M0106725
 

This part has been superseded.

12-8M0106719 - 12-8M0106719 - WASHER [ More info ]
Unavailable
Replaced by 12-8M0106725
WASHER 12-8M0106725
 

About Mercury Marine

OEM Part

128M0106725 - Washer [ More info ]

Add to shopping cart $4.70
Available to Order: Usually ships within 10 days.

#17 10-16695007 SCREW (4 required per assembly)
10-16695007 - SCREW              - Replaced by 10-8M0068939
 

This part has been superseded.

10-16695007 - 10-16695007 - SCREW [ More info ]
Unavailable
Replaced by 10-8M0068939
10-8M0068939 - BOLT               - Replaced by -898101953
 

This part has been superseded.

10-8M0068939 - 10-8M0068939 - BOLT [ More info ]
Unavailable
Replaced by -898101953
BOLT 10-898101953
10-898101953

About Mercury Marine

OEM Part

10-898101953 - Bolt - Priced Individually [ More info ]

Add to shopping cart $5.90
1 In Stock.

#18 32-812940010 TUBING, (160 mm) (1 required per assembly)
32-812940010 - TUBING (160 mm)    NLA
 

About Mercury Marine

OEM Part

32-812940010 - TUBING (160 mm) NLA [ More info ]
Unavailable
#19 853704 1 THERMOSTAT (1 required per assembly)
THERMOSTAT 853704  1
 

About Mercury Marine

OEM Part

853704 1 - Thermostat [ More info ]

Add to shopping cart $71.83
Available to Order: Usually ships within 10 days.

#20 853705 1 COVER (1 required per assembly)
COVER 853705  1
 

About Mercury Marine

OEM Part

853705 1 - Cover [ More info ]

Add to shopping cart $23.33
Available to Order: Usually ships within 10 days.

#21 27-853702 4 GASKET (1 required per assembly)
GASKET 27-853702  4
 

About Mercury Marine

OEM Part

27-853702 4 - Gasket [ More info ]

Add to shopping cart $4.60
Available to Order: Usually ships within 10 days.

#22 10-825702002 BOLT, Stainless Steel (3 required per assembly)
10-825702002 - BOLT Stainless St  - Replaced by 10-879194263
 

10-825702002 - BOLT [ More info ]
Unavailable
10-879194263 - BOLT               - Replaced by -823042
10-879194263

10-879194263 - Bolt [ More info ]
Unavailable
BOLT 10-823042
10-823042

About Mercury Marine

OEM Part

10-823042 - Bolt [ More info ]

Add to shopping cart $3.70
Available to Order: Usually ships within 10 days.

#23 19-855549 PLUG (1 required per assembly)
PLUG 19-855549
 

About Mercury Marine

OEM Part

19-855549 - Plug [ More info ]

Add to shopping cart $2.20
Available to Order: Usually ships within 10 days.

#24 823913Q ANODE (1 required per assembly)
ANODE(ALUM) 97-823913Q
97-823913Q

About Mercury Marine

OEM Part

97-823913Q - Anode, Aluminum [ More info ]

Add to shopping cart $20.63
2 In Stock.

#25 10-16705 1 BOLT, (M6 x 20) (1 required per assembly)
BOLT (M6 x 20) 10-16705  1
10-16705  1

About Mercury Marine

OEM Part

10-16705 1 - Bolt [ More info ]

Add to shopping cart $5.90
Available to Order: Usually ships within 10 days.

#26 855550 LIFTING EYE (1 required per assembly)
855550 - LIFTING EYE        - Replaced by -8M0137792
 

This part has been superseded.

855550 - 855550 - LIFTING EYE [ More info ]
Unavailable
Replaced by -8M0137792
LIFTING EYE 8M0137792
 

About Mercury Marine

OEM Part

8M0137792 - LIFTING EYE [ More info ]

Add to shopping cart $7.30
Available to Order: Usually ships within 10 days.

#27 10-16830 4 BOLT (1 required per assembly)
10-16830  4 - BOLT
 

About Mercury Marine

OEM Part

10-16830 4 - BOLT [ More info ]
Unavailable
#29 1100-853713 1 END CAP, Lower (1 required per assembly)
END CAP-LOWER 1100-853713  1
 

About Mercury Marine

OEM Part

1100-853713 1 - End Cap - Lower [ More info ]

Add to shopping cart $44.17
Available to Order: Usually ships within 10 days.

#30 25-853709 1 O-RING (1 required per assembly)
O RING 25-853709  1
25-853709  1

About Mercury Marine

OEM Part

25-853709 1 - O-Ring [ More info ]

Add to shopping cart $4.10
Available to Order: Usually ships within 10 days.

#31 26-853707 7 SEAL, Oil (1 required per assembly)
26-853707  7 - SEAL Oil
 

About Mercury Marine

OEM Part

26-853707 7 - Seal [ More info ]
Unavailable
#32 26-853707 8 SEAL, Oil (1 required per assembly)
OIL SEAL 26-853707  8
 

About Mercury Marine

OEM Part

26-853707 8 - Oil Seal [ More info ]

Add to shopping cart $7.90
Available to Order: Usually ships within 10 days.

#34 853706 1 COVER, Exhaust (1 required per assembly)
853706  1 - COVER Exhaust      - Replaced by -8M0081401
 

This part has been superseded.

853706 1 - 853706 1 - COVER Exhaust [ More info ]
Unavailable
Replaced by -8M0081401
COVER-EXHAUST 8M0081401
 

About Mercury Marine

OEM Part

8M0081401 - Exhaust Cover [ More info ]

Add to shopping cart $117.00
Available to Order: Usually ships within 10 days.

#35 853706 2 COVER, Exhaust (1 required per assembly)
COVER-EXHAUST 853706  2
 

About Mercury Marine

OEM Part

853706 2 - Exhaust Cover [ More info ]

Add to shopping cart $52.08
Available to Order: Usually ships within 10 days.

#36 27-812939 5 GASKET (2 required per assembly)
27-812939  5 - GASKET             - Replaced by 27-812939017
 

This part has been superseded.

27-812939 5 - 27-812939 5 - GASKET [ More info ]
Unavailable
Replaced by 27-812939017
27-812939017 - GASKET             - Replaced by 27-812939020
 

This part has been superseded.

27-812939017 - 27-812939017 - GASKET [ More info ]
Unavailable
Replaced by 27-812939020
GASKET 27-812939020
 

About Mercury Marine

OEM Part

27-812939020 - Gasket [ More info ]

Add to shopping cart $17.17
Available to Order: Usually ships within 10 days.

#37 10-825009026 BOLT (14 required per assembly)
BOLT 10-825009026
 

About Mercury Marine

OEM Part

10-825009026 - Bolt [ More info ]

Add to shopping cart $2.50
2 In Stock.

#38 21-42657A 3 CHECK VALVE (3 required per assembly)
VALVE ASSY-CHECK 21-42657A 3
 

About Mercury Marine

OEM Part

21-42657A 3 - Check Valve Assembly [ More info ]

Add to shopping cart $7.00
Available to Order: Usually ships within 10 days.

#39 22-812960 3 NIPPLE (1 required per assembly)
22-812960  3 - NIPPLE             - Replaced by 22-898101961
 

22-812960 3 - NIPPLE [ More info ]
Unavailable
NIPPLE 22-898101961
 

About Mercury Marine

OEM Part

22-898101961- Nipple [ More info ]

Add to shopping cart $4.00
Available to Order: Usually ships within 10 days.

#40 32-851848005 HOSE, (260 mm) (1 required per assembly)
32-851848005 - HOSE (260 mm)      NLA
 

About Mercury Marine

OEM Part

32-851848005 - ORD 32-879194470 [ More info ]
Unavailable
#41 25-855551 GROMMET (Electric) (1 required per assembly)
GROMMET 25-855551
 

About Mercury Marine

OEM Part

25-855551 - Grommet [ More info ]

Add to shopping cart $3.90
1 In Stock.

#42 33-41263M SPARK PLUG (3 required per assembly) (40)(NGK-B7HS-10)
33-41263M - SPARK PLUG         - Replaced by -8M0114740
33-41263M

33-41263M - NGK B7HS-10 - Priced Individually [ More info ]
Unavailable
33-8M0114740 - S PLUG B7HS @4     - Replaced by -828942
 

338M0114740 - S Plug B7HS - Priced Individually [ More info ]
Unavailable
NGK BR7HS-10 33-828942
33-828942

About Mercury Marine

OEM Part

33-828942 - NGK Spark Plug BR7HS-10 - Priced Individually [ More info ]

Add to shopping cart $6.40
Available to Order: Usually ships within 10 days.

CHAMPION PLUG (#811M) L82C
L82C

About Champion Spark Plugs

OEM Match

L82C - Champion Spark Plug ( #811M) [ More info ]

Add to shopping cart $3.73 $3.40
10+ In Stock.

#42 33-828942 SPARK PLUG, (NGK# BR7HS-10) (Opt. required per assembly) (40)(NGK-BR7HS-10)
#42 33-84409M PLUG (3 required per assembly) (40 Lightning XR/50)(NGK-B8HS-10)
33-84409M - PLUG               - Replaced by 33-8244068
 

33-84409M - NGK B8HS-10 Note: Priced Individually [ More info ]
Unavailable
33-8244068 - NGK BR8HS-10@10 - Replaced by -8M0181926
33-8244068

33-824406 8 - NGK BR8HS-10 - Priced Individually [ More info ]
Unavailable
33-8M0181926 - NGK BR8HS-4 @4
 

About Mercury Marine

OEM Part

33-8M0181926 - NGK BR8HS-4 @4 [ More info ]
Unavailable
NGK PLUG(5126) B8HS-10
B8HS-10

About NGK Spark Plugs

OEM Match

B8HS-10 - NGK Spark Plug, 5126 [ More info ]

Add to shopping cart $4.21 $4.08
10+ In Stock.

#42 33-824406 8 SPARK PLUG (Opt. required per assembly) (40 Lightning XR/50)(NGK-BR8HS-10)
33-824406  8 - SPARK PLUG
33-824406  8

About Mercury Marine

OEM Part

33-824406 8 - NGK BR8HS-10 - Priced Individually [ More info ]
Unavailable
#43 54-95306 CLAMP (1 required per assembly)
54-95306 - CLAMP              - Replaced by -8M0130961
 

54-95306 - Clamp [ More info ]
Unavailable
CLAMP 54-8M0130961
 

About Mercury Marine

OEM Part

548M0130961 - Clamp [ More info ]

Add to shopping cart $5.10
Available to Order: Usually ships within 10 days.

#44 10-823042064 SCREW (1 required per assembly)
10-823042064 - SCREW              - Replaced by 10-879194247
 

This part has been superseded.

10-823042064 - 10-823042064 - SCREW [ More info ]
Unavailable
Replaced by 10-879194247
10-879194247 - SCREW
 

About Mercury Marine

OEM Part

10-879194247 - SCREW [ More info ]
Unavailable
#45 803992 COVER PLATE (Manual) (1 required per assembly)
803992 - COVER PLATE
 

About Mercury Marine

OEM Part

803992 - COVER PLATE [ More info ]
Unavailable
#46 27-855569 2 GASKET (Manual) (1 required per assembly)
27-855569  2 - GASKET             - Replaced by 27-855569004
 

This part has been superseded.

27-855569 2 - 27-855569 2 - GASKET [ More info ]
Unavailable
Replaced by 27-855569004
27-855569004 - GASKET             - Replaced by 27-8M0081613
 

This part has been superseded.

27-855569004 - 27-855569004 - GASKET [ More info ]
Unavailable
Replaced by 27-8M0081613
GASKET 27-8M0081613
 

About Mercury Marine

OEM Part

278M0081613 - Gasket [ More info ]

Add to shopping cart $8.30
Available to Order: Usually ships within 10 days.

#47 10-16223 3 SCREW (Manual) (2 required per assembly)
BOLT 10-16223  3
10-16223  3

About Mercury Marine

OEM Part

10-16223 3 - Bolt [ More info ]

Add to shopping cart $3.00
Available to Order: Usually ships within 10 days.


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