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Parts for MerCruiser Race Engine and Drive 525 SC - Gen. VI Intake Manifold & Supercharger

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 22-32820 CONNECTOR (1 required per assembly)
CONNECTOR         O - Replaced by 22-34982  
22-32820This part has been superseded. CONNECTOR O - Replaced by 22-34982
(more info)
    UnavailableUnavailable Parts
CONNECTOR 22-34982  
22-34982OEM Part 22-34982 - Connector (more info) About Mercury Marine $8.00 $8.00 Add to shopping cart
1 in stock. Explain stock levels
#2 32-823229A 3 HOSE ASSEMBLY (13.50 Inches) (1 required per assembly)
HOSE ASSEMBLY 32-823229A 3  
32-823229A 3OEM Part 32-823229A 3 - Hose Assembly (more info) About Mercury Marine $121.68 $121.68 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 54-815504104 CLAMP, Worm Gear (1 required per assembly)
CLAMP Worm Gear 54-815504104 54-815504104
54-815504104OEM Part 54-815504104 - Clamp (more info) About Mercury Marine $4.70 $4.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 848578 VALVE ASSEMBLY, Crankcase Vent (1 required per assembly)
VALVE ASSY-VENT   O - Replaced by -8M0099429 848578
848578This part has been superseded. VALVE ASSY-VENT O - Replaced by -8M0099429
(more info)
    UnavailableUnavailable Parts
VALVE ASSY-VENT   O  
8M0099429 VALVE ASSY-VENT O
(more info)
    UnavailableUnavailable Parts
#5 25-811553 GROMMET (1 required per assembly)
GROMMET 25-811553  
25-811553OEM Part 25-811553 - Grommet (more info) About Mercury Marine $25.42 $25.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 817116A 3 SUPERCHARGER ASSEMBLY (1 required per assembly)
SUPERCHARGER KIT 817116A 3  
817116A 3OEM Part 817116A 3 - Supercharger Kit (more info) About Mercury Marine $9,068.97 $9,068.97 Add to shopping cart
1 in stock. Explain stock levels
#7 847711 1 PULLEY, Upper Driven (1 required per assembly)
PULLEY            O NLA 847711  1
847711 1 PULLEY O NLA
(more info)
    UnavailableUnavailable Parts
#8 27-817118 1 GASKET, Intake To Supercharger (1 required per assembly)
GASKET 27-817118  1 27-817118  1
27-817118 1OEM Part 27-817118 1 - Gasket (more info) About Mercury Marine $63.77 $63.77 Add to shopping cart
2 in stock. Explain stock levels
#NS 22-32802 1 PLUG, Pipe (.125-27), Brass (1 required per assembly)
PLUG-(BRASS)@2    O - Replaced by 22-32802  2  
22-32802 1This part has been superseded. PLUG-(BRASS)@2 O - Replaced by 22-32802 2
(more info)
    UnavailableUnavailable Parts
PLUG Pipe (.125-2 22-32802  2 22-32802 2
22-32802 2OEM Part 22-32802 2 - Plug - (brass) - Priced Individually (more info) About Mercury Marine $5.50 $5.50 Add to shopping cart
6 in stock. Explain stock levels
Pipe Plug, 1/8-27 Npt Pipe 18-4263
18-4263OEM Match 18-4263 - Pipe Plug, 1/8-27 NPT Pi (more info) About Sierra Marine $4.49 $3.24 Add to shopping cart
Available to order:
Usually ships
within 8 days
#NS 22-36382 FITTING, (.250-18) Brass (1 required per assembly)
FITTING (.250-18 22-36382 22-36382
22-36382OEM Part 22-36382 - Plug (more info) About Mercury Marine $3.90 $3.90 Add to shopping cart
2 in stock. Explain stock levels
Pipe Plug 18-8111-9
18-8111-9OEM Match 18-8111-9 - Pipe Plug (PK3) (more info) About Sierra Marine $10.77 $7.50 Add to shopping cart
10+ in stock. Explain stock levels
#9 11-35814 NUT, (.312-24) (6 required per assembly)
NUT @5            O - Replaced by 11-826709 11  
11-35814This part has been superseded. NUT @5 O - Replaced by 11-826709 11
(more info)
    UnavailableUnavailable Parts
NUT (.312-24) Sta 11-826709 11 11-826709 11
11-826709 11OEM Part 11-826709 11 - Nut - Priced Individually (more info) About Mercury Marine $3.60 $3.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 12-70132 WASHER, (.323 x .563 x .063) Stainless Steel (6 required per assembly)
WASHER @5         O - Replaced by 12-8M0042642  
12-70132This part has been superseded. WASHER @5 O - Replaced by 12-8M0042642
(more info)
    UnavailableUnavailable Parts
WASHER (.323 x .5 12-8M0042642 12-8M0042642
12-8M0042642OEM Part 12-8M0042642 - Washer - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
3 in stock. Explain stock levels
#11 16-848562 STUD (.375 x 1.650) (6 required per assembly)
STUD 16-848562  
16-848562OEM Part 16-848562 - Stud (more info) About Mercury Marine $11.13 $11.13 Add to shopping cart
8 in stock. Explain stock levels
#12 54-64628 1 LIFTING EYE (2 required per assembly)
LIFTING EYE       O - Replaced by 54-64628T 1  
54-64628 1This part has been superseded. LIFTING EYE O - Replaced by 54-64628T 1
(more info)
    UnavailableUnavailable Parts
LIFTING EYE       O - Replaced by 54-64628  
54-64628T 1This part has been superseded. LIFTING EYE O - Replaced by 54-64628
(more info)
    UnavailableUnavailable Parts
LIFTING EYE 54-64628  
54-64628OEM Part 54-64628 - Lifting Eye (more info) About Mercury Marine $50.58 $50.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 10-812567 SCREW, (.375-16 x 1.625) (8 required per assembly)
SCREW (.375-16 x 10-812567 10-812567
10-812567OEM Part 10-812567 - Screw (more info) About Mercury Marine $6.25 $6.25 Add to shopping cart
1 in stock. Explain stock levels
#13 10-815687 SCREW, (.375-16 x 1.250) (7 required per assembly)
SCREW (.375-16 x 10-815687 10-815687
10-815687OEM Part 10-815687 - Screw (more info) About Mercury Marine $14.50 $14.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 10-47432 SCREW, (.375-16 x 2.00) (1 required per assembly)
SCREW             O - Replaced by 10-842787  
10-47432This part has been superseded. SCREW O - Replaced by 10-842787
(more info)
    UnavailableUnavailable Parts
SCREW (.375-16 x 10-842787 10-842787
10-842787OEM Part 10-842787 - Screw (more info) About Mercury Marine $5.54 $5.54 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 12-37828 WASHER, (.390 x .625 x .062) (16 required per assembly)
WASHER (.390 x .6 12-37828  
12-37828OEM Part 12-37828 - Washer (more info) About Mercury Marine $0.50 $0.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 848582 1 MANIFOLD, Intake (1 required per assembly)
MANIFOLD-INTAKE   O - Replaced by -848582A 1  
848582 1This part has been superseded. MANIFOLD-INTAKE O - Replaced by -848582A 1
(more info)
    UnavailableUnavailable Parts
MANIFOLD ASSY     O - Replaced by -848582T 1  
848582A 1This part has been superseded. MANIFOLD ASSY O - Replaced by -848582T 1
(more info)
    UnavailableUnavailable Parts
MANIFOLD ASSY     O - Replaced by -848582T02  
848582T 1This part has been superseded. MANIFOLD ASSY O - Replaced by -848582T02
(more info)
    UnavailableUnavailable Parts
MANIFOLD KIT 848582T02  
848582T02OEM Part 848582T02 - Manifold Kit (more info) About Mercury Marine $3,522.47 $3,522.47 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 27-818188 1 GASKET, Intake Manifold (2 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-818188  1 27-818188 1
27-818188 1OEM Part 27-818188 1 - Gasket - Priced Individually (more info) About Mercury Marine $63.98 $63.98 Add to shopping cart
2 in stock. Explain stock levels
Intake Gasket 18-1231
18-1231OEM Match 18-1231 - Gasket Set, 27-818188 1, 385 (more info)
Replaces OEM #3854095
About Sierra Marine $94.49 $76.13 Add to shopping cart
2 in stock. Explain stock levels
#17 816073 SHIELD, Intake (1 required per assembly)
SHIELD            O - Replaced by -845756  
816073This part has been superseded. SHIELD O - Replaced by -845756
(more info)
    UnavailableUnavailable Parts
845756T 845756  
845756OEM Part 845756 - Shield (more info) About Mercury Marine $52.24 $52.24 Add to shopping cart
4 in stock. Explain stock levels
SHEILD Oil Intake 845756T  
845756TOEM Part 845756T - Shield (more info) About Mercury Marine $88.25 $88.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 22-806242 CONNECTOR, By Pass (2 required per assembly)
CONNECTOR 22-806242 22-806242
22-806242OEM Part 22-806242 - Connector (more info) About Mercury Marine $38.08 $38.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#19 54-815504412 CLAMP, Worm Gear (2 required per assembly)
CLAMP Worm Gear 54-815504412 54-815504412
54-815504412OEM Part 54-815504412 - Clamp (more info) About Mercury Marine $4.70 $4.70 Add to shopping cart
1 in stock. Explain stock levels
#20 32-805987 HOSE, By Pass (1 required per assembly)
HOSE 32-805987 32-805987
32-805987OEM Part 32-805987 - Hose (more info) About Mercury Marine $19.30 $16.52 Add to shopping cart
1 in stock. Explain stock levels
#21 10-811574 SCREW, (.375-16 x 1.750) (4 required per assembly)
SCREW             O - Replaced by 10-805611 10-811574
10-811574This part has been superseded. SCREW O - Replaced by 10-805611
(more info)
    UnavailableUnavailable Parts
BOLT 10-805611 10-805611
10-805611OEM Part 10-805611 - Bolt (more info) About Mercury Marine $18.92 $18.92 Add to shopping cart
10 in stock. Explain stock levels
#22 811573A03 PUMP ASSEMBLY, Circulating Water (1 required per assembly)
PUMP ASSY-WATER   O - Replaced by -811573A04  
811573A03This part has been superseded. PUMP ASSY-WATER O - Replaced by -811573A04
(more info)
    UnavailableUnavailable Parts
PUMP ASSEMBLY Cir 811573A04 811573A04
811573A04OEM Part 811573A04 - Water Pump Assembly (more info) About Mercury Marine $424.17 $424.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 27-49110 GASKET, Circulating Water Pump Mount (2 required per assembly)
GASKET Circulatin 27-49110 27-49110
27-49110OEM Part 27-49110 - Gasket (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
8 in stock. Explain stock levels
Gasket (2/pkg) 18-0903
18-0903OEM Match 18-0903 - Gasket, 27-49110 (more info)
Replaces OEM #3853361
About Sierra Marine $2.99 $1.76 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 52349 1 PULLEY, Circulating Pump (1 required per assembly)
PULLEY (BLUE)     O NLA 52349  1
52349 1 PULLEY (BLUE) O NLA
(more info)
    UnavailableUnavailable Parts
#25 13-39107 LOCKWASHER, (.312) (4 required per assembly)
LOCKWASHER (.312- 13-39107  
13-39107OEM Part 13-39107 - LockWasher - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
10+ in stock. Explain stock levels
#26 10-47277 SCREW, (.312-24 x .750) (4 required per assembly)
SCREW (.312-24 x 10-47277 10-47277
10-47277OEM Part 10-47277 - Screw - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#27 57-816034 V BELT, Alternator Drive (1 required per assembly)
57816034Q 57-816034 57-816034
57-816034OEM Part 57-816034 - V-Belt (more info) About Mercury Marine $36.00 $36.00 Add to shopping cart
3 in stock. Explain stock levels
V BELT, 48.125 LG 57-816034Q 57-816034Q
57-816034QOEM Part 57-816034Q - V-Belt, 48.125 Lg (more info) About Mercury Marine $39.48 $39.48 Add to shopping cart
Available to order:
Usually ships
within 8 days
#28 57-817113 BELT, Serpentine (1 required per assembly)
BELT Serpentine 57-817113  
57-817113OEM Part 57-817113 - Serpentine Belt (more info) About Mercury Marine $189.52 $189.52 Add to shopping cart
Available to order:
Usually ships
within 8 days
Serpentine Belt 18-15125
18-15125OEM Match 18-15125 - Belt, 57-817113 (more info) About Sierra Marine $291.99 $291.99 Add to shopping cart
Available to order:
Usually ships
within 8 days
#29 850459 COVER ASSEMBLY, Timing Chain (1 required per assembly)
COVER ASSY-TIMING O - Replaced by -845610T  
850459This part has been superseded. COVER ASSY-TIMING O - Replaced by -845610T
(more info)
    UnavailableUnavailable Parts
COVER ASSEMBLY Cy 845610T 845610T
845610TOEM Part 845610T - Timing Cover Assembly (more info) About Mercury Marine $291.67 $291.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#30 26-821947 1 SEAL, Oil (1 required per assembly)
SEAL 26-821947  1 26-821947  1
26-821947 1OEM Part 26-821947 1 - Seal (more info) About Mercury Marine $32.30 $27.66 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 27-850456 GASKET, Front Cover Mount (1 required per assembly)
GASKET Front Cove 27-850456 27-850456
27-850456OEM Part 27-850456 - Gasket (more info) About Mercury Marine $17.92 $17.92 Add to shopping cart
2 in stock. Explain stock levels
#32 10-850455 SCREW (10 required per assembly)
SCREW (1/4-20 x 0 10-850455 10-850455
10-850455OEM Part 10-850455 - Screw (more info) About Mercury Marine $14.70 $14.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#33 850460 BALANCER (1 required per assembly)
BALANCER          O - Replaced by -845625T  
850460This part has been superseded. BALANCER O - Replaced by -845625T
(more info)
    UnavailableUnavailable Parts
BALANCER          O - Replaced by -845625T 2  
845625TThis part has been superseded. BALANCER O - Replaced by -845625T 2
(more info)
    UnavailableUnavailable Parts
DAMPER 845625T 2  
845625T 2OEM Part 845625T 2 - Damper (more info) About Mercury Marine $521.86 $521.86 Add to shopping cart
1 in stock. Explain stock levels
#34 821981 1 PULLEY, Crankshaft (1 required per assembly)
PULLEY            O NLA 821981  1
821981 1 PULLEY O NLA
(more info)
    UnavailableUnavailable Parts
#35 12-49103 WASHER (1 required per assembly)
WASHER 12-49103  
12-49103OEM Part 12-49103 - Washer (more info) About Mercury Marine $27.00 $27.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#36 13-14759 LOCKWASHER (1 required per assembly)
LOCKWASHER,NLA 13-14759  
13-14759OEM Part 13-14759 - LockWasher, NLA (more info) About Mercury Marine $8.00 $8.00 Add to shopping cart
10 in stock. Explain stock levels
#37 10-811559 SCREW, (.500-20 x 2.500) (1 required per assembly)
SCREW             O - Replaced by 10-845627  
10-811559This part has been superseded. SCREW O - Replaced by 10-845627
(more info)
    UnavailableUnavailable Parts
SCREW (.500-20 x 10-845627 10-845627
10-845627OEM Part 10-845627 - Screw (more info) About Mercury Marine $33.42 $33.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#38 10-35785 1 SCREW, (.375-16 x 3.250) (3 required per assembly)
SCREW (.375-16 x 10-35785  1 10-35785  1
10-35785 1OEM Part 10-35785 1 - Screw (more info) About Mercury Marine $8.99 $8.99 Add to shopping cart
Available to order:
Usually ships
within 8 days
#39 13-35048 LOCKWASHER, (.375) (3 required per assembly)
LOCKWASHER (.375) 13-35048 13-35048
13-35048OEM Part 13-35048 - LockWasher - Priced Individually (more info) About Mercury Marine $0.90 $0.90 Add to shopping cart
10+ in stock. Explain stock levels
#40 12-20553 WASHER, (.406 x .734 x .063) (3 required per assembly)
WASHER (.406 x .7 12-20553  
12-20553OEM Part 12-20553 - Washer - Priced Individually (more info) About Mercury Marine $1.10 $1.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 27-827014A97 GASKET SET, Engine Overhaul (1 required per assembly)
GASKET SET        O - Replaced by 27-827014A98  
27-827014A97This part has been superseded. GASKET SET O - Replaced by 27-827014A98
(more info)
    UnavailableUnavailable Parts
GASKET SET        O NLA 27-827014A98
27-827014A98 GASKET SET O NLA
(more info)
    UnavailableUnavailable Parts