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Parts for Mariner 50MH Cylinder Block

#1 878-815013A 3 CYLINDER BLOCK (1 required per assembly) (Lightning)
CYLINDER BLOCK 878-815013A 3
 

About Mercury Marine

OEM Part

878-815013A 3 - Cylinder Block [ More info ]

Add to shopping cart $2,269.57
Available to order: Usually ships within 8 days. Explain stock levels

#1 878-815013A 4 CYLINDER BLOCK (1 required per assembly) (Lightning XR/50)
878-815013A 4 - CYLINDER BLOCK    O - Replaced by 878-8M0082198
 

This part has been superseded.

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

About Mercury Marine

OEM Part

8788M0082198 - Cylinder Block [ More info ]

Add to shopping cart $3,282.79
Available to order: Usually ships within 8 days. Explain stock levels

#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 $2.83
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

17-16119 - Dowel Pin [ More info ]

Add to shopping cart $3.80
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

17-95218 12 - PIN Dowel O [ More info ]
Unavailable
#6 21-853696 BLEED VALVE (3 required per assembly) SN# 0N009618 & Below
21-853696 - BLEED VALVE       O NLA
 

About Mercury Marine

OEM Part

21-853696 - BLEED VALVE O NLA [ More info ]
Unavailable
#6 22-812960006 NIPPLE (3 required per assembly) SN# 0N009619 & Up
NIPPLE 22-812960006
 

About Mercury Marine

OEM Part

22-812960006 - Nipple [ More info ]

Add to shopping cart $7.00
Available to order: Usually ships within 8 days. Explain stock levels

#7 32-812940 HOSE, (160 mm) (1 required per assembly) SN# 0N009618 & Below
32-812940 - HOSE (160 mm)     O - Replaced by 32-812940  4
 

This part has been superseded.

32-812940 - 32-812940 - HOSE (160 mm) O [ More info ]
Unavailable
Replaced by 32-812940 4
HOSE Rubber (1 Meter) 32-812940  4
32-812940  4

About Mercury Marine

OEM Part

32-812940 4 - Hose [ More info ]

Add to shopping cart $11.30
Available to order: Usually ships within 8 days. Explain stock levels

#8 32-898101272 HOSE, Rubber with Arrow (730mm) (1 required per assembly) SN# 0N009619 & Up
32-898101272 - HOSE Rubber with  O NLA
 

About Mercury Marine

OEM Part

32-898101272 - HOSE Rubber with O NLA [ More info ]
Unavailable
#9 32-812940 4 HOSE, Rubber (1 Meter) (1 required per assembly) SN# 0N009618 & Below
#10 54-95224 CLIP (6 required per assembly)
CLIP 54-95224
 

About Mercury Marine

OEM Part

54-95224 - Clip [ More info ]

Add to shopping cart $2.50
1 in stock. Explain stock levels

#11 979-9630 5 CYLINDER HEAD (1 required per assembly) SN# 0N016162 & Up
CYLINDER HEAD 979-9630  5
 

About Mercury Marine

OEM Part

979-9630 5 - Cylinder Head [ More info ]

Add to shopping cart $204.50
Available to order: Usually ships within 8 days. Explain stock levels

#11 979-9630 3 CYLINDER HEAD (1 required per assembly) SN# 0N016161 & Below
979-9630  3 - CYLINDER HEAD     O - Replaced by 979-9630  5
 

This part has been superseded.

979-9630 3 - 979-9630 3 - CYLINDER HEAD O [ More info ]
Unavailable
Replaced by 979-9630 5
#12 27-812939 10 GASKET (1 required per assembly) SN# 0N016162 & Up
27-812939 10 - GASKET            O - Replaced by 27-8M0062091
 

This part has been superseded.

27-812939 10 - 27-812939 10 - GASKET O [ More info ]
Unavailable
Replaced by 27-8M0062091
GASKET CYL HEAD 27-8M0062091
 

About Mercury Marine

OEM Part

278M0062091 - Cylinder Head Gasketead [ More info ]

Add to shopping cart $81.74
Available to order: Usually ships within 8 days. Explain stock levels

#12 27-812939 3 GASKET (1 required per assembly) SN# 0N016161 & Below
27-812939  3 - GASKET            O - Replaced by 27-812939 10
 

This part has been superseded.

27-812939 3 - 27-812939 3 - GASKET O [ More info ]
Unavailable
Replaced by 27-812939 10
#13 855548 COVER (1 required per assembly)
COVER 855548
 

About Mercury Marine

OEM Part

855548 - Cover [ More info ]

Add to shopping cart $77.42
Available to order: Usually ships within 8 days. Explain stock levels

#14 27-812939 11 GASKET (1 required per assembly) SN# 0N016162 & Up
27-812939 11 - GASKET            O - Replaced by 27-8M0115016
 

This part has been superseded.

27-812939 11 - 27-812939 11 - GASKET O [ More info ]
Unavailable
Replaced by 27-8M0115016
27-8M0115016 - GASKET            O
 

About Mercury Marine

OEM Part

27-8M0115016 - GASKET O [ More info ]
Unavailable
#14 27-812939 4 GASKET (1 required per assembly) SN# 0N016161 & Below
27-812939  4 - GASKET            O
 

About Mercury Marine

OEM Part

27-812939 4 - GASKET O [ More info ]
Unavailable
#15 10-16698 2 BOLT (14 required per assembly)
10-16698  2 - BOLT              O - Replaced by 10-8M0068940
 

This part has been superseded.

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

This part has been superseded.

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

About Mercury Marine

OEM Part

10-8M0106717 - BOLT O [ More info ]
Unavailable
#16 12-16238 1 WASHER (14 required per assembly)
12-16238  1 - WASHER            O - Replaced by 12-8M0065568
 

This part has been superseded.

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

This part has been superseded.

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

This part has been superseded.

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

About Mercury Marine

OEM Part

12-8M0106725 - WASHER O [ More info ]
Unavailable
#17 10-16695 3 BOLT (4 required per assembly)
10-16695  3 - BOLT              O
 

About Mercury Marine

OEM Part

10-16695 3 - BOLT O [ More info ]
Unavailable
#18 12-809931044 WASHER (4 required per assembly)
WASHER 12-809931044
 

About Mercury Marine

OEM Part

12-809931044 - Washer [ More info ]

Add to shopping cart $1.20 $0.94
Available to order: Usually ships within 8 days. Explain stock levels

#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 $56.08
Available to order: Usually ships within 8 days. Explain stock levels

#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 $21.92
Available to order: Usually ships within 8 days. Explain stock levels

#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 $3.00
Available to order: Usually ships within 8 days. Explain stock levels

#22 10-823042 BOLT (3 required per assembly)
BOLT 10-823042
10-823042

About Mercury Marine

OEM Part

10-823042 - Bolt [ More info ]

Add to shopping cart $2.70
Available to order: Usually ships within 8 days. Explain stock levels

#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 $1.67
Available to order: Usually ships within 8 days. Explain stock levels

#24 823913 ANODE (1 required per assembly)
823913 - ANODE             O - Replaced by 97-823913Q
 

This part has been superseded.

823913 - 823913 - ANODE O [ More info ]
Unavailable
Replaced by 97-823913Q
ANODE Note: must be ordered in multiples of 2 97-823913Q
97-823913Q

About Mercury Marine

OEM Part

97-823913Q - Anode - Priced Individually [ More info ]

Add to shopping cart $14.92
Available to order: Usually ships within 8 days. Explain stock levels

#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 $4.40
Available to order: Usually ships within 8 days. Explain stock levels

#26 855550 LIFTING EYE (1 required per assembly)
855550 - LIFTING EYE       O
 

About Mercury Marine

OEM Part

855550 - LIFTING EYE O [ More info ]
Unavailable
#27 10-16830 4 BOLT (1 required per assembly)
10-16830  4 - BOLT              O
 

About Mercury Marine

OEM Part

10-16830 4 - BOLT O [ More info ]
Unavailable
#28 12-40022 17 WASHER (1 required per assembly)
WASHER Note: must be ordered in multiples of 3 12-40022 17
 

About Mercury Marine

OEM Part

12-40022 17 - Washer - Priced Individually [ More info ]

Add to shopping cart $1.10
7 in stock. Explain stock levels

#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 $33.08
Available to order: Usually ships within 8 days. Explain stock levels

#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 $2.58
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

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

About Mercury Marine

OEM Part

26-853707 8 - Oil Seal [ More info ]

Add to shopping cart $6.58
Available to order: Usually ships within 8 days. Explain stock levels

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

This part has been superseded.

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

About Mercury Marine

OEM Part

8M0081401 - Exhaust Cover [ More info ]

Add to shopping cart $103.50
Available to order: Usually ships within 8 days. Explain stock levels

#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 $49.83
Available to order: Usually ships within 8 days. Explain stock levels

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

This part has been superseded.

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

This part has been superseded.

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

About Mercury Marine

OEM Part

27-812939020 - Gasket [ More info ]

Add to shopping cart $16.66
Available to order: Usually ships within 8 days. Explain stock levels

#37 10-815068 3 BOLT (14 required per assembly)
BOLT 10-815068  3
 

About Mercury Marine

OEM Part

10-815068 3 - BOLT [ More info ]

Add to shopping cart $1.60
Available to order: Usually ships within 8 days. Explain stock levels

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

This part has been superseded.

22-812960 3 - 22-812960 3 - NIPPLE O [ More info ]
Unavailable
Replaced by 22-898101961
NIPPLE 22-898101961
 

About Mercury Marine

OEM Part

22-898101961- Nipple [ More info ]

Add to shopping cart $3.00
Available to order: Usually ships within 8 days. Explain stock levels

#40 32-95394 9 LINE, Fuel (1000 mm) (1 required per assembly)
32-95394  9 - LINE Fuel (1000 m O - Replaced by 32-879194470
 

This part has been superseded.

32-95394 9 - 32-95394 9 - LINE Fuel (1000 m O [ More info ]
Unavailable
Replaced by 32-879194470
32-879194470 - HOSE              O - Replaced by 32-8M0057113
 

This part has been superseded.

32-879194470 - 32-879194470 - HOSE O [ More info ]
Unavailable
Replaced by 32-8M0057113
TUBING 32-8M0057113
 

About Mercury Marine

OEM Part

328M0057113 - Hose [ More info ]

Add to shopping cart $24.20 $20.73
Available to order: Usually ships within 8 days. Explain stock levels

#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 $3.60
1 in stock. Explain stock levels

#42 33-41263M SPARK PLUG (3 required per assembly) (Lightning)(NGK-B7HS-10)
33-41263M - SPARK PLUG        O
33-41263M

About Mercury Marine

OEM Part

33-41263M - SPARK PLUG O [ More info ]
Unavailable
NGK B7HS-10/2129 SPARK PLUG (10)
B7HS-10

About NGK Spark Plugs

OEM Match

B7HS-10 - NGK Spark Plug, 2129 [ More info ]

Add to shopping cart $2.79
10+ in stock. Explain stock levels

SPARK PLUG CHAMPION L82C
L82C

About Champion Spark Plugs

OEM Match

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

Add to shopping cart $2.41
10+ in stock. Explain stock levels

#42 33-828942 SPARK PLUG, (NGK# BR7HS-10) (Opt. required per assembly) (Lightning)(NGK-BR7HS-10)
SPARK PLUG (NGK# BR7HS- 33-828942
33-828942

About Mercury Marine

OEM Part

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

Add to shopping cart $4.15
Available to order: Usually ships within 8 days. Explain stock levels

#42 33-84409M PLUG (3 required per assembly) (Lightning XR/50)(NGK-B8HS-10)
33-84409M - PLUG              O - Replaced by 33-824406  8
 

This part has been superseded.

33-84409M - 33-84409M - PLUG O [ More info ]
Unavailable
Replaced by 33-824406 8
33-824406  8 - SPARK PLUG        O
33-824406  8

About Mercury Marine

OEM Part

33-824406 8 - SPARK PLUG O [ More info ]
Unavailable
NGK B8HS-10/5126 SPARK PLUG (4)
B8HS-10

About NGK Spark Plugs

OEM Match

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

Add to shopping cart $2.79
10+ in stock. Explain stock levels

#42 33-824406 8 SPARK PLUG (Opt. required per assembly) (Lightning XR/50)(NGK-BR8HS-10)
#43 54-813275 CLAMP (1 required per assembly)
CLAMP 54-813275
 

About Mercury Marine

OEM Part

54-813275 - Clamp [ More info ]

Add to shopping cart $5.70
Available to order: Usually ships within 8 days. Explain stock levels

#44 10-16223 1 BOLT (1 required per assembly)
BOLT,NLA 10-16223  1
 

About Mercury Marine

OEM Part

10-16223 1 - Bolt, NLA [ More info ]

Add to shopping cart $2.50
10+ in stock. Explain stock levels

#45 803992 COVER PLATE (Manual) (1 required per assembly)
803992 - COVER PLATE       O
 

About Mercury Marine

OEM Part

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

This part has been superseded.

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

This part has been superseded.

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

About Mercury Marine

OEM Part

278M0081613 - Gasket [ More info ]

Add to shopping cart $7.92
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

10-16223 3 - Bolt [ More info ]

Add to shopping cart $2.50
Available to order: Usually ships within 8 days. Explain stock levels

#- 851886A98 POWERHEAD ASSEMBLY (1 required per assembly) (Lightning)
851886A98 - POWERHEAD ASSEMBL O - Replaced by -851886T98
 

This part has been superseded.

851886A98 - 851886A98 - POWERHEAD ASSEMBL O [ More info ]
Unavailable
Replaced by -851886T98
851886T98 - PH 40HP 2-STROKE  O - Replaced by -851886T07
 

This part has been superseded.

851886T98 - 851886T98 - PH 40HP 2-STROKE O [ More info ]
Unavailable
Replaced by -851886T07
851886T07 - POWERHED          O - Replaced by -8M0046561
 

This part has been superseded.

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

About Mercury Marine

OEM Part

8M0046561 - Powerhead [ More info ]

Add to shopping cart $3,965.71
Available to order: Usually ships within 8 days. Explain stock levels

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

This part has been superseded.

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

This part has been superseded.

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

This part has been superseded.

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

This part has been superseded.

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

This part has been superseded.

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

About Mercury Marine

OEM Part

8M0069514 - SHORT BLOCK O [ More info ]
Unavailable
#- 27-812937A98 GASKET SET, Powerhead (1 required per assembly) SN# 0N016161 & Below
27-812937A98 - GASKET SET Powerh O - Replaced by 27-812937A02
 

This part has been superseded.

27-812937A98 - 27-812937A98 - GASKET SET Powerh O [ More info ]
Unavailable
Replaced by 27-812937A02
27-812937A02 - GASKET SET Powerh O - Replaced by 27-812937A03
 

This part has been superseded.

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

This part has been superseded.

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

This part has been superseded.

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

This part has been superseded.

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

About Mercury Marine

OEM Part

27-8M0081614 - GASKET SET O [ More info ]
Unavailable
#- 27-812937A02 GASKET SET, Powerhead (1 required per assembly) SN# 0N016162 & Up