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Parts for MerCruiser 5.0L (2 Barrel.) GM 305 V-8 1998-2001 Closed Cooling System

#1 860234A 1 HEAT EXCHANGER (1 required per assembly)
HEAT EXCHANGER 860234A 1
 

About Mercury Marine

OEM Part

860234A 1 - Heat Exchanger [ More info ]

Add to shopping cart $1,611.57
In stock Explain stock levels

#NS 814875 COVER, Heat Exchanger End (2 required per assembly)
COVER Heat Exchan O - Replaced by -8M0036623
814875

This part has been superseded.

814875 - COVER Heat Exchan O [ More info ]
Unavailable
Replaced by -8M0036623
END CAP (4 Inch) 8M0036623
 

About Mercury Marine

OEM Part

8M0036623 - Cap -end [ More info ]

Add to shopping cart $72.34
Available to order: Usually ships within 8 days. Explain stock levels

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

This part has been superseded.

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

#NS 10-814877 BOLT (2 required per assembly)
BOLT 10-814877
10-814877

About Mercury Marine

OEM Part

10-814877 - Bolt [ More info ]

Add to shopping cart $9.10
Available to order: Usually ships within 8 days. Explain stock levels

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

This part has been superseded.

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

#NS 36-814879 1 CAP (1 required per assembly)
CAP 36-814879  1
 

About Mercury Marine

OEM Part

36-814879 1 - Pressure Cap [ More info ]

Add to shopping cart $50.90 $43.58
Available to order: Usually ships within 8 days. Explain stock levels

#2 860326A 1 BRACKET ASSEMBLY, Heat Exchanger (1 required per assembly)
BRACKET ASSEMBLY Heat E 860326A 1
860326A 1

About Mercury Marine

OEM Part

860326A 1 - Bracket Assembly [ More info ]

Add to shopping cart $148.83 $96.00
1 in stock. Explain stock levels

#3 18431 PAD (4.25 x 4.375) (2 required per assembly)
PAD 18431
 

About Mercury Marine

OEM Part

18431 - Pad [ More info ]

Add to shopping cart $25.16
Available to order: Usually ships within 8 days. Explain stock levels

#4 54-815504388 CLAMP, Worm Gear (2 required per assembly)
CLAMP Worm Gear 54-815504388
54-815504388

About Mercury Marine

OEM Part

54-815504388 - Clamp [ More info ]

Add to shopping cart $19.00
Available to order: Usually ships within 8 days. Explain stock levels

#5 71587A10 RECOVERY KIT, Coolant (1 required per assembly) (See Note)
RECOVERY KIT Coolant 71587A10
 

About Mercury Marine

OEM Part

71587A10 - Coolant Recovery Kit [ More info ]

Add to shopping cart $67.17
1 in stock. Explain stock levels

#- 32-77457 2 HOSE, (48.00 Inches Bulk) (1 required per assembly)
HOSE (48.00 Inches Bulk 32-77457  2
32-77457  2

About Mercury Marine

OEM Part

32-77457 2 - Hose -48 Inch [ More info ]

Add to shopping cart $51.67
10+ in stock. Explain stock levels

#6 71587A11 BOTTLE, Plastic (1 required per assembly)
BOTTLE Plastic 71587A11
71587A11

About Mercury Marine

OEM Part

71587A11 - Coolant Recovery Bottle [ More info ]

Add to shopping cart $54.25
Available to order: Usually ships within 8 days. Explain stock levels

#7 72058 CAP (1 required per assembly)
CAP 72058
72058

About Mercury Marine

OEM Part

72058 - Bottle Cap [ More info ]

Add to shopping cart $7.60
2 in stock. Explain stock levels

#8 861188A 1 HOUSING ASSEMBLY, Thermostat (1 required per assembly)
HOUSING ASSEMBLY Thermo 861188A 1
861188A 1

About Mercury Marine

OEM Part

861188A 1 - Thermostat Housing Assembly [ More info ]

Add to shopping cart $379.33
Available to order: Usually ships within 8 days. Explain stock levels

Thermostat Housing
18-3531

About Sierra Marine

OEM Match

18-3531 - Thermostat Housing 861188A1 [ More info ]

Add to shopping cart $340.99 $265.72
1 in stock. Explain stock levels

#9 25-807134 1 SEAL (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

#10 23-863874 SLEEVE, Water (1 required per assembly)
SLEEVE Water 23-863874
 

About Mercury Marine

OEM Part

23-863874 - Sleeve [ More info ]

Add to shopping cart $31.80 $27.24
Available to order: Usually ships within 8 days. Explain stock levels

#11 22-32803 PLUG, Pipe (.375-18) Brass (1 required per assembly)
PLUG Pipe (.375-18) Bra 22-32803
22-32803

About Mercury Marine

OEM Part

22-32803 - Plug [ More info ]

Add to shopping cart $4.80
3 in stock. Explain stock levels

Pipe Plug, 3/8-18 Npt Pipe
18-4264

About Sierra Marine

OEM Match

18-4264 - Pipe Plug, 3/8-18 NPT Pi [ More info ]

Add to shopping cart $3.99 $3.41
Available to order: Usually ships within 8 days. Explain stock levels

#12 99155 1 THERMOSTAT (1 required per assembly)
THERMOSTAT 99155  1
99155  1

About Mercury Marine

OEM Part

99155 1 - Thermostat [ More info ]

Add to shopping cart $20.59
Available to order: Usually ships within 8 days. Explain stock levels

THERMOSTAT KIT      99155T 1
99155T 1

About Mercury Marine

OEM Part

99155T 1 - Thermostat Kit [ More info ]

Add to shopping cart $22.00
Available to order: Usually ships within 8 days. Explain stock levels

#13 807075A 1 COVER (1 required per assembly)
COVER KIT-THERMOS 807075A 1
807075A 1

About Mercury Marine

OEM Part

807075A 1 - Thermostat Cover Kit [ More info ]

Add to shopping cart $161.58
1 in stock. Explain stock levels

#14 10-29198 SCREW AND LOCKWASHER, (.312-18 x .875) (2 required per assembly)
SCREW AND LOCKWASHER (. 10-29198
10-29198

About Mercury Marine

OEM Part

10-29198 - Screw w/ Lw - Priced Individually [ More info ]

Add to shopping cart $3.00 $2.03
10+ in stock. Explain stock levels

#15 10-58640 SCREW, (.375-16 x 1.25) (2 required per assembly)
SCREW (.375-16 x 1.25) 10-58640
10-58640

About Mercury Marine

OEM Part

10-58640 - Screw - Priced Individually [ More info ]

Add to shopping cart $5.20
10+ in stock. Explain stock levels

#16 22-818390 DRAIN COCK (1 required per assembly)
DRAIN COCK 22-818390
 

About Mercury Marine

OEM Part

22-818390 - Plug Assembly [ More info ]

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

#17 27-53045 1 GASKET (2 required per assembly)
GASKET Note: must be ordered in multiples of 5 27-53045  1
27-53045  1

About Mercury Marine

OEM Part

27-53045 1 - Gasket - Priced Individually [ More info ]

Add to shopping cart $3.80
10+ in stock. Explain stock levels

Thermostat Gasket
18-2917

About Sierra Marine

OEM Match

18-2917-9 - Gasket 27-530451 2-Pack [ More info ]

Add to shopping cart $5.98 $3.65
9 in stock. Explain stock levels

GASKET   27 53045Q01
27 53045Q01

About Mercury Marine

OEM Part

27-53045Q01 - Gasket [ More info ]

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

#18 32-42850 69 HOSE, (44.00 Inches Bulk) (1 required per assembly) (Cut to 6.00 Inch Length)
HOSE (44.00 Inche O - Replaced by 32-8M0062634
32-42850 69

This part has been superseded.

32-42850 69 - HOSE (44.00 Inche O [ More info ]
Unavailable
Replaced by 32-8M0062634
HOSE 44.00 inch Bulk 32-8M0062634
32-8M0062634

About Mercury Marine

OEM Part

32-8M0062634 - Transom TO Thermostat Housing Hose -44I [ More info ]

Add to shopping cart $34.30 $29.37
Available to order: Usually ships within 8 days. Explain stock levels

#19 32-861058 HOSE, Heat Exchanger To Exhaust Manifold (1 required per assembly) (Alpha - Starboard) SN# 0L618999 & Below
HOSE Heat Exchanger To 32-861058
 

About Mercury Marine

OEM Part

32-861058 - Water Hose [ More info ]

Add to shopping cart $54.60 $45.00
Available to order: Usually ships within 8 days. Explain stock levels

#19 32-861057 HOSE, Heat Exchanger To Exhaust Manifold (1 required per assembly) (Bravo - Starboard) SN# 0L618999 & Below
HOSE Heat Exchanger To 32-861057
 

About Mercury Marine

OEM Part

32-861057 - Water Hose [ More info ]

Add to shopping cart $37.75
5 in stock. Explain stock levels

#19 32-860421 HOSE, Heat Exchanger To Exhaust Manifold (1 required per assembly) (Alpha/Bravo Starboard) SN# 0L619000 & Up
HOSE Heat Exchanger To 32-860421
 

About Mercury Marine

OEM Part

32-860421 - Water Hose [ More info ]

Add to shopping cart $44.33
2 in stock. Explain stock levels

#20 32-862125 HOSE, Heat Exchanger To Exhaust Manifold (1 required per assembly) (Port) SN# 0L619000 & Up
HOSE Heat Exchanger To 32-862125
 

About Mercury Marine

OEM Part

32-862125 - Molded Hose [ More info ]

Add to shopping cart $45.33
Available to order: Usually ships within 8 days. Explain stock levels

#21 54-815504220 CLAMP, Worm Gear (4 required per assembly)
CLAMP Worm Gear 54-815504220
54-815504220

About Mercury Marine

OEM Part

54-815504220 - Clamp [ More info ]

Add to shopping cart $5.60
Available to order: Usually ships within 8 days. Explain stock levels

#22 32-860485 HOSE, Thermostat By-Pass (1 required per assembly) SN# 0L618999 & Below
HOSE Thermostat By-Pass 32-860485
 

About Mercury Marine

OEM Part

32-860485 - Water Hose [ More info ]

Add to shopping cart $27.67
Available to order: Usually ships within 8 days. Explain stock levels

#22 32-860331 HOSE, Thermostat By-Pass (1 required per assembly) SN# 0L619000 & Up
HOSE Thermostat By-Pass 32-860331
 

About Mercury Marine

OEM Part

32-860331 - Water Hose [ More info ]

Add to shopping cart $26.50
1 in stock. Explain stock levels

#23 32-860419 HOSE, Thermostat Housing To Heat Exchanger (1 required per assembly)
HOSE Thermostat Housing 32-860419
 

About Mercury Marine

OEM Part

32-860419 - Water Hose [ More info ]

Add to shopping cart $34.66
1 in stock. Explain stock levels

#24 32-860332 HOSE (1 required per assembly)
HOSE 32-860332
 

About Mercury Marine

OEM Part

32-860332 - Water Hose [ More info ]

Add to shopping cart $40.50
Available to order: Usually ships within 8 days. Explain stock levels

#25 54-815504222 CLAMP, Worm Gear (1.98 DIameter) (6 required per assembly)
CLAMP Worm Gear (1.98 D 54-815504222
54-815504222

About Mercury Marine

OEM Part

54-815504222 - Clamp - Priced Individually [ More info ]

Add to shopping cart $4.50
3 in stock. Explain stock levels

#26 32-861059 HOSE (1 required per assembly)
HOSE 32-861059
 

About Mercury Marine

OEM Part

32-861059 - Water Hose [ More info ]

Add to shopping cart $49.25
Available to order: Usually ships within 8 days. Explain stock levels

#27 54-815504232 CLAMP, Worm Gear (2.50 Diameter) (2 required per assembly)
CLAMP Worm Gear (2.50 D 54-815504232
54-815504232

About Mercury Marine

OEM Part

54-815504232 - Clamp [ More info ]

Add to shopping cart $6.40 $4.32
10+ in stock. Explain stock levels

#28 32-860482 HOSE, Water Pump To Intake Manifold (1 required per assembly)
HOSE Water Pump T O - Replaced by 32-99520
 

This part has been superseded.

32-860482 - HOSE Water Pump T O [ More info ]
Unavailable
Replaced by 32-99520
HOSE 32-99520
32-99520

About Mercury Marine

OEM Part

32-99520 - Molded Hose [ More info ]

Add to shopping cart $23.70 $20.29
Available to order: Usually ships within 8 days. Explain stock levels

#29 54-815504212 CLAMP, Worm Gear (4 required per assembly)
CLAMP Worm Gear 54-815504212
 

About Mercury Marine

OEM Part

54-815504212 - Clamp [ More info ]

Add to shopping cart $4.30
Available to order: Usually ships within 8 days. Explain stock levels

#30 22-860346 FITTING, Elbow (90 Degree) (.750) (1 required per assembly)
FITTING Elbow (90 Degre 22-860346
 

About Mercury Marine

OEM Part

22-860346 - Elbow [ More info ]

Add to shopping cart $20.33
Available to order: Usually ships within 8 days. Explain stock levels

#31 22-808042 FITTING, Elbow (90 Degrees) (.50 NPT x .75 Bars) (1 required per assembly)
FITTING Elbow (90 Degre 22-808042
 

About Mercury Marine

OEM Part

22-808042 - Connector [ More info ]

Add to shopping cart $19.25
Available to order: Usually ships within 8 days. Explain stock levels

#32 32-860089 1 HOSE, Molded (1 required per assembly) SN# 0L618999 & Below
HOSE Molded 32-860089  1
32-860089  1

About Mercury Marine

OEM Part

32-860089 1 - Water Hose [ More info ]

Add to shopping cart $44.83
Available to order: Usually ships within 8 days. Explain stock levels

#32 32-808045 HOSE, Fuel Cooler to Transmission Oil Cooler (1 required per assembly) SN# 0L619000 & Up
HOSE 32-808045
32-808045

About Mercury Marine

OEM Part

32-808045 - Molded Hose [ More info ]

Add to shopping cart $51.10 $43.76
In stock Explain stock levels

#33 32-808044 1 HOSE, Molded (1 required per assembly)
HOSE Molded 32-808044  1
32-808044  1

About Mercury Marine

OEM Part

32-808044 1 - Molded Hose [ More info ]

Add to shopping cart $65.84
In stock Explain stock levels

#34 32877 PLUG, Transom Plate Water Inlet Block Off (1 required per assembly)
PLUG Transom Plate Wate 32877
32877

About Mercury Marine

OEM Part

32877 - Cover, Plug [ More info ]

Add to shopping cart $15.40 $10.40
10+ in stock. Explain stock levels

#35 32-863343 79 HOSE, (96.00 Inches Bulk) (1 required per assembly) (Cut to 36.00 Inch Length)
HOSE (96.00 Inche O - Replaced by 32-865672079
 

This part has been superseded.

32-863343 79 - HOSE (96.00 Inche O [ More info ]
Unavailable
Replaced by 32-865672079
HOSE (96.00 Inche O - Replaced by 32-8M0062666
32-865672079

This part has been superseded.

32-865672079 - HOSE (96.00 Inche O [ More info ]
Unavailable
Replaced by 32-8M0062666
HOSE (96.00 Inches Bulk 32-8M0062666
32-8M0062666

About Mercury Marine

OEM Part

32-8M0062666 - Water Hose Bulk -96" [ More info ]

Add to shopping cart $186.60 $159.78
In stock Explain stock levels

#36 54-815504228 CLAMP, Worm Gear (2 required per assembly)
CLAMP Worm Gear 54-815504228
54-815504228

About Mercury Marine

OEM Part

54-815504228 - Clamp [ More info ]

Add to shopping cart $14.80
Available to order: Usually ships within 8 days. Explain stock levels

#37 861554T COOLER, Power Steering (1 required per assembly)
COOLER            O - Replaced by -861554T01
 

This part has been superseded.

861554T - COOLER O [ More info ]
Unavailable
Replaced by -861554T01
8M0125855 861554T01
861554T01

About Mercury Marine

OEM Part

861554T01 - Cooler, Power Steering [ More info ]

Add to shopping cart $152.17
1 in stock. Explain stock levels

#38 860315A 1 TUBE, Hose Extender (1 required per assembly) (Compact Hydralic Steering) (Cut to 10.50 Inch Length)
TUBE 860315A 1
860315A 1

About Mercury Marine

OEM Part

860315A 1 - Extender Kit - Hose [ More info ]

Add to shopping cart $31.58
Available to order: Usually ships within 8 days. Explain stock levels

#40 22-806608A 1 PLUG KIT, (.500-13) Royal Blue, Fitting (1 required per assembly)
PLUG KIT (.500-13 O - Replaced by 22-806608A02
22-806608A 1

This part has been superseded.

22-806608A 1 - PLUG KIT (.500-13 O [ More info ]
Unavailable
Replaced by 22-806608A02
PLUG ASSEMBLY (.5  - Replaced by 22-8M0119211
22-806608A02

This part has been superseded.

22-806608A02 - PLUG ASSEMBLY (.5 [ More info ]
Unavailable
Replaced by 22-8M0119211
PLUG ASSEMBLY (.500-13) 22-8M0119211
 

About Mercury Marine

OEM Part

22-8M0119211 - Plug Assembly (.5 [ More info ]

Add to shopping cart $7.00
8 in stock. Explain stock levels

DRAIN PLUG
18-4226

About Sierra Marine

OEM Match

18-4226 - Drain Plug, 22-806608A1 [ More info ]

Add to shopping cart $4.49 $2.97
10+ in stock. Explain stock levels

PLUG KIT Note: must be ordered in multiples of 2   22806608Q01
22806608Q01

About Mercury Marine

OEM Part

22-806608Q01 - Plug Kit - Priced Individually [ More info ]

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

#41 25-62706 O-RING, (.426 x .070) (1 required per assembly)
O-RING (.426 x .070) 25-62706
25-62706

About Mercury Marine

OEM Part

25-62706 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $1.20
10+ in stock. Explain stock levels

O Ring
18-7102

About Sierra Marine

OEM Match

18-7102-9 - O-Ring (PK5) 307450 [ More info ]

Add to shopping cart $9.95 $6.89
3 in stock. Explain stock levels

#42 860418T BRACKET (1 required per assembly)
BRACKET 860418T
860418T

About Mercury Marine

OEM Part

860418T - Bracket [ More info ]

Add to shopping cart $15.20
1 in stock. Explain stock levels

#43 860417T CLAMP (1 required per assembly)
CLAMP 860417T
860417T

About Mercury Marine

OEM Part

860417T - Clamp [ More info ]

Add to shopping cart $13.90
2 in stock. Explain stock levels

#44 12-35462 WASHER, (.2656 x .625 x .0625) Stainless Steel (1 required per assembly)
WASHER (.2656 x .625 x 12-35462
 

About Mercury Marine

OEM Part

12-35462 - Washer - Priced Individually [ More info ]

Add to shopping cart $1.40
10+ in stock. Explain stock levels

#45 11-826708 8 NUT, (.250-20) (1 required per assembly)
NUT (.250-20) 11-826708  8
 

About Mercury Marine

OEM Part

11-826708 8 - Nut [ More info ]

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

#46 54-806616 CLAMP (1 required per assembly)
CLAMP Note: must be ordered in multiples of 5 54-806616
 

About Mercury Marine

OEM Part

54-806616 - Clamp - Priced Individually [ More info ]

Add to shopping cart $4.60
Available to order: Usually ships within 8 days. Explain stock levels

#NS 19-807992 3 COVER, Hose Clamp End (AR required per assembly)
198M6500037 19-807992  3
 

About Mercury Marine

OEM Part

19-807992 3 - Cover-.375 - Priced Individually [ More info ]

Add to shopping cart $0.53
10+ in stock. Explain stock levels

COVER             O - Replaced by 19-8M0074364
 

This part has been superseded.

19-8M6500037 - COVER O [ More info ]
Unavailable
Replaced by 19-8M0074364
CAP 19-8M0074364
 

About Mercury Marine

OEM Part

198M0074364 - Cover-Clamp - Priced Individually [ More info ]

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

#- 27-861246A98 GASKET SET (1 required per assembly)
GASKET SET        O - Replaced by 27-861246A05
 

This part has been superseded.

27-861246A98 - GASKET SET O [ More info ]
Unavailable
Replaced by 27-861246A05
GASKET SET 27-861246A05
27-861246A05

About Mercury Marine

OEM Part

27-861246A05 - Gasket Set [ More info ]

Add to shopping cart $599.91
Available to order: Usually ships within 8 days. Explain stock levels