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Parts for MerCruiser Race Engine and Drive 525 EFI Gasket / Seal Set - Engine Overhaul (27-843073A03)

No parts diagram available.

#- 27-843073A03 GASKET/SEAL SET, Engine Overhaul (1 required per assembly)
27-843073A03 - GASKET/SEAL SET E O - Replaced by 27-843073A06
 

This part has been superseded.

27-843073A03 - 27-843073A03 - GASKET/SEAL SET E O [ More info ]
Unavailable
Replaced by 27-843073A06
GASKET/SEAL SET Engine 27-843073A06
27-843073A06

About Mercury Marine

OEM Part

27-843073A06 - Gasket/Seal Set [ More info ]

Add to shopping cart $951.21
Available to order: Usually ships within 8 days. Explain stock levels

#- 12-36533 WASHER, (.328 x .562 x .0312) Copper, Fuel Pressure Regulator (1 required per assembly)
WASHER (.328 x .562 x . 12-36533
 

About Mercury Marine

OEM Part

12-36533 - Washer [ More info ]

Add to shopping cart $1.10
Available to order: Usually ships within 8 days. Explain stock levels

#- 25-20295 QUAD RING, Crossover Bracket (2 required per assembly)
QUAD RING 1.725 x .210 25-20295
 

About Mercury Marine

OEM Part

25-20295 - Quad Ring [ More info ]

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

#- 25-26802 O-RING, (.424 x .103), Rocker Valve Cover (2 required per assembly)
O-RING (.424 x .103) 25-26802
25-26802

About Mercury Marine

OEM Part

25-26802 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $2.90
10+ in stock. Explain stock levels

O-Ring
18-7180

About Sierra Marine

OEM Match

18-7180-9 - O-Ring (PK5 ) 925055 [ More info ]

Add to shopping cart $14.95 $10.08
1 in stock. Explain stock levels

#- 25-30529 O-RING, (1.925 x .103), Crossover (2 required per assembly)
O-RING (1.925 x .103) 25-30529
25-30529

About Mercury Marine

OEM Part

25-30529 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $2.40
10+ in stock. Explain stock levels

O-Ring
18-7171

About Sierra Marine

OEM Match

18-7171-9 - O-Ring (PK5) 25-30529 [ More info ]

Add to shopping cart $14.95 $8.55
Available to order: Usually ships within 8 days. Explain stock levels

#- 25-32507 O-RING, (3.359 x .139), Oil Thermostat Housing (1 required per assembly)
O-RING (3.359 x .139) 25-32507
25-32507

About Mercury Marine

OEM Part

25-32507 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $3.70
10+ in stock. Explain stock levels

O-Ring
18-7127

About Sierra Marine

OEM Match

18-7127 - O-Ring 313446 [ More info ]

Add to shopping cart $3.99 $2.54
9 in stock. Explain stock levels

#- 25-47632 O-RING, (1.112 x .103), Oil Thermostat (1 required per assembly)
25864701 25-47632
 

About Mercury Marine

OEM Part

25-47632 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $1.80
10+ in stock. Explain stock levels

O-RING (1.112 x .103) 25-864701
25-864701

About Mercury Marine

OEM Part

25-864701 - O-Ring - Priced Individually [ More info ]

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

O Ring
18-7146

About Sierra Marine

OEM Match

18-7146-9 - (PK5) O-Ring 25-47632 [ More info ]

Add to shopping cart $14.95 $8.73
1 in stock. Explain stock levels

#- 25-62702 O-RING, (.301 x .070), Water Temperature Sensor (1 required per assembly)
25627021 25-62702
25-62702

About Mercury Marine

OEM Part

25-62702 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $1.20
6 in stock. Explain stock levels

O-RING (.301 x .070) 25-62702  1
 

About Mercury Marine

OEM Part

25-62702 1 - O-Ring [ More info ]

Add to shopping cart $1.20
8 in stock. Explain stock levels

O-Ring
18-7413

About Sierra Marine

OEM Match

18-7413-9 - O-Ring (PK5) 25-62702, 303191 [ More info ]

Add to shopping cart $7.45 $3.62
1 in stock. Explain stock levels

#- 25-62704 O-RING, (.362 x .103), Dipstick Tube (1 required per assembly)
O-RING (.362 x .103) 25-62704
25-62704

About Mercury Marine

OEM Part

25-62704 - O-Ring [ More info ]

Add to shopping cart $0.82
Available to order: Usually ships within 8 days. Explain stock levels

O-Ring
18-7116

About Sierra Marine

OEM Match

18-7116 - O-Ring 303067, 25-62704 [ More info ]

Add to shopping cart $0.99 $0.70
10+ in stock. Explain stock levels

#- 25-69756 O-RING, (.549 x .103), Number 5 Bearing Cup Oil Hole (1 required per assembly)
O-RING (.549 x .103) 25-69756
 

About Mercury Marine

OEM Part

25-69756 - O-Ring [ More info ]

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

#- 25-89879 O-RING, (.301 x .064), Power Steering Hose (2 required per assembly)
O-RING (.301 x .064) 25-89879
 

About Mercury Marine

OEM Part

25-89879 - O-Ring [ More info ]

Add to shopping cart $1.20
1 in stock. Explain stock levels

#- 25-805062 O-RING, (.530 x .082), Fuel Pump (1 required per assembly)
O-RING (.530 x .082) 25-805062
 

About Mercury Marine

OEM Part

25-805062 - O-Ring [ More info ]

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

#- 25-805063 O-RING, (.301 x .070), Fuel Lines (8 required per assembly)
O-RING (.301 x .070) 25-805063
 

About Mercury Marine

OEM Part

25-805063 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $2.00
10+ in stock. Explain stock levels

#- 25-805511A 1 SEALING KIT, Fuel Injector (8 required per assembly)
SEALING KIT Fuel Inject 25-805511A 1
25-805511A 1

About Mercury Marine

OEM Part

25-805511A 1 - Sealing Kit, See Note on Detail Page [ More info ]

Add to shopping cart $19.60 $16.78
Available to order: Usually ships within 8 days. Explain stock levels

#- 25-805531 O-RING, (.476 x .075), Fuel Pressure Regulator (1 required per assembly)
O-RING (.476 x .075) 25-805531
 

About Mercury Marine

OEM Part

25-805531 - O-Ring [ More info ]

Add to shopping cart $4.10
Available to order: Usually ships within 8 days. Explain stock levels

#- 25-805732 O-RING, (2.612 x .103), Intake Manifold (8 required per assembly)
O-RING (2.612 x .103) 25-805732
 

About Mercury Marine

OEM Part

25-805732 - O-Ring [ More info ]

Add to shopping cart $17.70 $15.15
Available to order: Usually ships within 8 days. Explain stock levels

#- 25-806232 O-RING, (.239 x .064), Power Steering Hose (1 required per assembly)
O-RING (.239 x .064) 25-806232
 

About Mercury Marine

OEM Part

25-806232 - O-Ring [ More info ]

Add to shopping cart $1.40
Available to order: Usually ships within 8 days. Explain stock levels

#- 25-807134 1 SEAL, Thermostat (1 required per assembly)
SEAL 25-807134  1
25-807134  1

About Mercury Marine

OEM Part

25-807134 1 - Thermostat Seal [ More info ]

Add to shopping cart $9.90
Available to order: Usually ships within 8 days. Explain stock levels

#- 25-811553 GROMMET, Rocker Valve Cover And Intake Manifold (3 required per assembly)
GROMMET 25-811553
 

About Mercury Marine

OEM Part

25-811553 - Grommet [ More info ]

Add to shopping cart $26.09
Available to order: Usually ships within 8 days. Explain stock levels

#- 25-814878 O-RING, Special, Heat Exchanger (2 required per assembly)
25-814878 - O-RING Special    O - Replaced by 25-8M0039163
 

This part has been superseded.

25-814878 - 25-814878 - O-RING Special O [ More info ]
Unavailable
Replaced by 25-8M0039163
O-RING (3/8 x 1/8) 25-8M0039163
 

About Mercury Marine

OEM Part

25-8M0039163 - O-Ring [ More info ]

Add to shopping cart $6.10
Available to order: Usually ships within 8 days. Explain stock levels

#- 25-818967 GROMMET (4 required per assembly)
GROMMET 25-818967
 

About Mercury Marine

OEM Part

25-818967 - Grommet [ More info ]

Add to shopping cart $2.20
Available to order: Usually ships within 8 days. Explain stock levels

#- 25-831985 O-RING, (.468 x .078), Drain Plugs (6 required per assembly)
O-RING (.468 x .078) 25-831985
 

About Mercury Marine

OEM Part

25-831985 - O-Ring [ More info ]

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

#- 25-849922 O-RING, Special, Fuel Line Rail To Rail (4 required per assembly)
O-RING Special 25-849922
25-849922

About Mercury Marine

OEM Part

25-849922 - O-Ring Note: - Priced Individually [ More info ]

Add to shopping cart $6.75
Available to order: Usually ships within 8 days. Explain stock levels

#- 25-855362001 GROMMET, Coolant Reservoir (3 required per assembly)
GROMMET 25-855362001
 

About Mercury Marine

OEM Part

25-855362001 - Grommet [ More info ]

Add to shopping cart $2.20
Available to order: Usually ships within 8 days. Explain stock levels

#- 26-42077 SEAL, Oil Filter Adapter (2 required per assembly)
SEAL 26-42077
26-42077

About Mercury Marine

OEM Part

26-42077 - Seal [ More info ]

Add to shopping cart $5.60
10+ in stock. Explain stock levels

#- 26-811554 SEAL, Crankshaft (1 required per assembly)
SEAL 26-811554
26-811554

About Mercury Marine

OEM Part

26-811554 - Seal [ More info ]

Add to shopping cart $82.92 $55.73
5 in stock. Explain stock levels

Rear Main Seal,
18-1234

About Sierra Marine

OEM Match

18-1234 - Seal, 26-811554, 3853528 [ More info ]

Add to shopping cart $73.99 $58.86
1 in stock. Explain stock levels

#- 26-821947 1 SEAL, Front Cover (1 required per assembly)
SEAL 26-821947  1
26-821947  1

About Mercury Marine

OEM Part

26-821947 1 - Seal [ More info ]

Add to shopping cart $33.10 $22.35
4 in stock. Explain stock levels

#- 26-842755 SEAL, Valve, Intake And Exhaust (16 required per assembly)
SEAL Valve 26-842755
 

About Mercury Marine

OEM Part

26-842755 - Seal - Valve [ More info ]

Add to shopping cart $8.10
10+ in stock. Explain stock levels

#- 27-33179 2 GASKET, Coolent Tube (1 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-33179  2
27-33179  2

About Mercury Marine

OEM Part

27-33179 2 - Gasket - Priced Individually [ More info ]

Add to shopping cart $2.00
10+ in stock. Explain stock levels

GASKET   27 33179Q02
27 33179Q02

About Mercury Marine

OEM Part

27-33179Q02 - Gasket [ More info ]

Add to shopping cart $4.00
Available to order: Usually ships within 8 days. Explain stock levels

#- 27-34213 GASKET, Fuel Pump (1 required per assembly)
GASKET Note: must be ordered in multiples of 5 27-34213
27-34213

About Mercury Marine

OEM Part

27-34213 - Gasket - Priced Individually [ More info ]

Add to shopping cart $2.80
10+ in stock. Explain stock levels

Gasket
18-0889

About Sierra Marine

OEM Match

18-0889-9 - Gasket 27-34213 2-Pack [ More info ]

Add to shopping cart $7.98 $5.07
9 in stock. Explain stock levels

#- 27-49110 GASKET, Circulating Water Pump Mount (2 required per assembly)
GASKET Circulating Wate 27-49110
27-49110

About Mercury Marine

OEM Part

27-49110 - Gasket [ More info ]

Add to shopping cart $2.80
3 in stock. Explain stock levels

Gasket (2/pkg)
18-0903

About Sierra Marine

OEM Match

18-0903 - Gasket, 27-49110 [ More info ]

Add to shopping cart $5.99 $1.76
1 in stock. Explain stock levels

#- 27-49955 GASKET, Oil Pan Drain Screw (1 required per assembly)
27-49955 - GASKET            O - Replaced by 27-8M0077608
27-49955

This part has been superseded.

27-49955 - 27-49955 - GASKET O [ More info ]
Unavailable
Replaced by 27-8M0077608
GASKET 27-8M0077608
 

About Mercury Marine

OEM Part

278M0077608 - Gasket [ More info ]

Add to shopping cart $9.30
Available to order: Usually ships within 8 days. Explain stock levels

Oil Pan Drain Gasket /2/PKG
18-0905

About Sierra Marine

OEM Match

18-0905 - Gasket, 27-49955 [ More info ]

Add to shopping cart $5.98 $4.30
5 in stock. Explain stock levels

#- 27-803644 GASKET, Heat Exchanger (2 required per assembly)
27-803644 - GASKET            O - Replaced by 27-8M0036987
 

This part has been superseded.

27-803644 - 27-803644 - GASKET O [ More info ]
Unavailable
Replaced by 27-8M0036987
GASKET 27-8M0036987
27-8M0036987

About Mercury Marine

OEM Part

27-8M0036987 - Gasket [ More info ]

Add to shopping cart $17.80 $15.25
Available to order: Usually ships within 8 days. Explain stock levels

#- 27-811546A03 GASKET KIT, Cylinder Head (2 required per assembly)
27-811546A03 - GASKET KIT Cylind O - Replaced by 27-811546A04
27-811546A03

This part has been superseded.

27-811546A03 - 27-811546A03 - GASKET KIT Cylind O [ More info ]
Unavailable
Replaced by 27-811546A04
GASKET KIT Cylinder Hea 27-811546A04
27-811546A04

About Mercury Marine

OEM Part

27-811546A04 - Gasket Kit [ More info ]

Add to shopping cart $195.33
Available to order: Usually ships within 8 days. Explain stock levels

#- 27-811588 GASKET, Rocker Cover (2 required per assembly)
278M0092920 27-811588
27-811588

About Mercury Marine

OEM Part

27-811588 - Gasket [ More info ]

Add to shopping cart $44.00
10+ in stock. Explain stock levels

ROCKER COVER GASKET
27-8M0092920

About Mercury Marine

OEM Part

27-8M0092920 - ROCKER Cover Gasket [ More info ]

Add to shopping cart $85.33
3 in stock. Explain stock levels

ROCKER COVER GASKET
18-25002

About Sierra Marine

OEM Match

18-25002 - Gasket 27-811588 [ More info ]

Add to shopping cart $131.99 $107.39
1 in stock. Explain stock levels

#- 27-840940 GASKET, Exhaust Headers (2 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-840940
27-840940

About Mercury Marine

OEM Part

27-840940 - Gasket - Priced Individually [ More info ]

Add to shopping cart $28.35
Available to order: Usually ships within 8 days. Explain stock levels

#- 27-841156 GASKET, Throttle Body To Plenum (1 required per assembly)
GASKET 27-841156
 

About Mercury Marine

OEM Part

27-841156 - Gasket [ More info ]

Add to shopping cart $5.49
Available to order: Usually ships within 8 days. Explain stock levels

#- 27-842454 GASKET, Tailpipes (2 required per assembly)
GASKET 27-842454
27-842454

About Mercury Marine

OEM Part

27-842454 - Gasket [ More info ]

Add to shopping cart $19.45
Available to order: Usually ships within 8 days. Explain stock levels

#- 27-843073 GASKET, Intake Manifold Mount (2 required per assembly)
GASKET Intake Manifold 27-843073
27-843073

About Mercury Marine

OEM Part

27-843073 - Gasket - Priced Individually [ More info ]

Add to shopping cart $67.57
Available to order: Usually ships within 8 days. Explain stock levels

#- 27-845628 GASKET, Oil Pan (1 required per assembly)
GASKET 27-845628
27-845628

About Mercury Marine

OEM Part

27-845628 - Gasket [ More info ]

Add to shopping cart $69.09
In stock Explain stock levels

Gasket, Oil Pan
18-1232

About Sierra Marine

OEM Match

18-1232 - Gasket, 27-811566, Pan [ More info ]

Add to shopping cart $81.99 $74.14
1 in stock. Explain stock levels

#- 27-848438 GASKET, Fuel Line (1 required per assembly)
GASKET Note: must be ordered in multiples of 5 27-848438
 

About Mercury Marine

OEM Part

27-848438 - Gasket - Priced Individually [ More info ]

Add to shopping cart $3.09
8 in stock. Explain stock levels

#- 27-850456 GASKET, Front Cover Mount (1 required per assembly)
GASKET Front Cover Moun 27-850456
27-850456

About Mercury Marine

OEM Part

27-850456 - Gasket [ More info ]

Add to shopping cart $18.34
3 in stock. Explain stock levels

#- 27-863112 GASKET, Idle Air Valve To Plenum (1 required per assembly)
27-863112 - GASKET            * - Replaced by 27-8M0119616
27-863112

This part has been superseded.

27-863112 - 27-863112 - GASKET * [ More info ]
Unavailable
Replaced by 27-8M0119616
GASKET 27-8M0119616
 

About Mercury Marine

OEM Part

27-8M0119616 - Air Valve Gasket [ More info ]

Add to shopping cart $2.10
Available to order: Usually ships within 8 days. Explain stock levels