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Parts for MerCruiser Race Engine and Drive 525 SC - Gen. VI Thermostat Housing

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 817131A 1 HOUSING ASSEMBLY, Thermostat (1 required per assembly) - NOTE: With Temperture Sender 97257A1
HSG.-THERMOSTAT   O NLA 817131A 1
817131A 1 HSG.-THERMOSTAT O NLA
(more info)
    UnavailableUnavailable Parts
#2 23-47511 SLEEVE (1 required per assembly)
SLEEVE 23-47511 23-47511
23-47511OEM Part 23-47511 - Sleeve (more info) About Mercury Marine $30.58 $30.58 Add to shopping cart
7 in stock. Explain stock levels
#3 22-36373 PLUG, Hex Steel (.375-18) (1 required per assembly)
PLUG (.375-18) He 22-36373  
22-36373OEM Part 22-36373 - Plug (more info) About Mercury Marine $4.10 $4.10 Add to shopping cart
4 in stock. Explain stock levels
#4 22-98477A 2 VALVE ASSEMBLY (1 required per assembly)
VALVE ASSEMBLY 22-98477A 2 22-98477A 2
22-98477A 2OEM Part 22-98477A 2 - Valve Assembly (more info) About Mercury Marine $72.75 $72.75 Add to shopping cart
Available to order:
Usually ships
within 8 days
#NS 30-98475 BALL, Nylon (2 required per assembly)
BALL Nylon 30-98475 30-98475
30-98475OEM Part 30-98475 - Ball - Priced Individually (more info) About Mercury Marine $4.40 $4.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#NS 24-75533 SPRING (2 required per assembly)
SPRING Note: must be ordered in multiples of 2 24-75533 24-75533
24-75533OEM Part 24-75533 - Spring - Priced Individually (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#NS 11-29488 NUT, (#10-32) (1 required per assembly)
11826709106 11-29488 11-29488
11-29488OEM Part 11-29488 - Nut - Priced Individually (more info) About Mercury Marine $2.78 $2.78 Add to shopping cart
3 in stock. Explain stock levels
NUT (#10-32) Stai 11-826709106 11-826709106
11-826709106OEM Part 11-826709106 - Nut (more info) About Mercury Marine $3.20 $3.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 22-847768 FITTING, Adaptor (1 required per assembly)
FITTING           O NLA  
22-847768 FITTING O NLA
(more info)
    UnavailableUnavailable Parts
#6 27-47510 GASKET, Thermostat (1 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-47510 27-47510
27-47510OEM Part 27-47510 - Gasket - Priced Individually (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
2 in stock. Explain stock levels
Gasket 18-2553-9
18-2553-9OEM Match 18-2553-9 - Gasket 27-47510 2-Pack (more info) About Sierra Marine $4.98 $3.01 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 23-47508 SLEEVE, Thermostat (1 required per assembly)
SLEEVE-THERMOSTAT O - Replaced by 23-47508T  
23-47508This part has been superseded. SLEEVE-THERMOSTAT O - Replaced by 23-47508T
(more info)
    UnavailableUnavailable Parts
SLEEVE 23-47508T 23-47508T
23-47508TOEM Part 23-47508T - Thermostat Sleeve (more info) About Mercury Marine $12.83 $12.83 Add to shopping cart
10+ in stock. Explain stock levels
#8 27-41812 2 GASKET, Thermostat Cover (1 required per assembly)
GASKET 27-41812  2 27-41812  2
27-41812 2OEM Part 27-41812 2 - Gasket (more info) About Mercury Marine $8.66 $7.02 Add to shopping cart
10+ in stock. Explain stock levels
#9 47441A 1 COVER, Thermostat (1 required per assembly)
COVER NEW TAKE-OFFS 47441A 1 47441A 1
47441A 1OEM Part 47441A 1 - Thermostat Cover (more info) About Mercury Marine $72.08 $72.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
Housing, Thermostat 18-1977-1
18-1977-1OEM Match 18-1977-1 - Thermostat Housing (more info) About Sierra Marine $64.99 $48.64 Add to shopping cart
Available to order:
Usually ships
within 8 days
T-STAT HOUSING MC-29-47441 MC-29-47441
MC-29-47441OEM Match MC-29-47441 - Thermostat Housing (more info) About Barr Marine by EDM $36.00 $28.12 Add to shopping cart
5 in stock. Explain stock levels
#10 10-14164 SCREW, (.375-16 x 4.37) (2 required per assembly)
SCREW (.375-16 x 10-14164 10-14164
10-14164OEM Part 10-14164 - Screw (more info) About Mercury Marine $6.53 $6.53 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 12-20553 WASHER, (.406 x .734 x .063) (2 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
#12 27-53045 1 GASKET, Thermostat Housing (1 required per assembly)
GASKET Note: must be ordered in multiples of 5 27-53045  1 27-53045 1
27-53045 1OEM Part 27-53045 1 - Gasket - Priced Individually (more info) About Mercury Marine $3.70 $3.70 Add to shopping cart
10+ in stock. Explain stock levels
Thermostat Gasket 18-2917-9
18-2917-9OEM Match 18-2917-9 - Gasket 27-530451 2-Pack (more info) About Sierra Marine $5.98 $3.65 Add to shopping cart
10+ in stock. Explain stock levels
GASKET   27 53045Q01 27-53045Q01
27-53045Q01OEM Part 27-53045Q01 - Gasket (more info) About Mercury Marine $3.90 $3.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 32-848178 HOSE, Pump To Cooler (1 required per assembly)
HOSE 32-848178 32-848178
32-848178OEM Part 32-848178 - Hose (more info) About Mercury Marine $44.83 $44.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 32-17435 65 HOSE, (38.00 Inches Bulk), Cut As Required - Sea Pump To Drive Unit (1 required per assembly) - Plug In Models
HOSE (38.00 Inche 32-17435 65 32-17435 65
32-17435 65OEM Part 32-17435 65 - Hose -38 Inch (more info) About Mercury Marine $71.50 $71.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 32-13556A 1 HOSE KIT, (10.00 Feet), Cut As Required (1 required per assembly) - Driveline Models
HOSE KIT (10.00 F 32-13556A 1 32-13556A 1
32-13556A 1OEM Part 32-13556A 1 - Hose Kit -10 Ft (more info) About Mercury Marine $532.53 $532.53 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 54-18076 5 CLAMP, Worm Gear (2 required per assembly)
CLAMP Worm Gear 54-18076  5  
54-18076 5OEM Part 54-18076 5 - Clamp (more info) About Mercury Marine $8.34 $8.34 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 54-18076 6 CLAMP, Worm Gear (8 required per assembly) - Plug In Models
CLAMP Worm Gear 54-18076  6  
54-18076 6OEM Part 54-18076 6 - Clamp (more info) About Mercury Marine $10.50 $10.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 32-848956 HOSE, Molded, Oil Cooler To Oil Cooler (1 required per assembly)
HOSE Molded 32-848956 32-848956
32-848956OEM Part 32-848956 - Hose (more info) About Mercury Marine $43.75 $43.75 Add to shopping cart
Available to order:
Usually ships
within 8 days
Molded Hose 18-75125
18-75125OEM Match 18-75125 - Straight Hose (more info)
Replaces OEM #0912793
About Sierra Marine $36.99 $29.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 22-13177 TUBE, Water Hose (1 required per assembly) - Non Power Steering
TUBE 22-13177  
22-13177OEM Part 22-13177 - Tube (more info) About Mercury Marine $15.34 $15.34 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 32-816344 HOSE, Oil Cooler To Thermostat Housing (1 required per assembly)
HOSE              O NLA  
32-816344 HOSE O NLA
(more info)
    UnavailableUnavailable Parts
#19 32-822524 HOSE, Thermostat Housing To Water Pump (1 required per assembly)
HOSE              O - Replaced by 32-847677A01 32-822524
32-822524This part has been superseded. HOSE O - Replaced by 32-847677A01
(more info)
    UnavailableUnavailable Parts
HOSE 32-847677A01 32-847677A01
32-847677A01OEM Part 32-847677A01 - Hose (more info) About Mercury Marine $50.48 $50.48 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 54-18076 8 CLAMP, Worm Gear (2 required per assembly)
CLAMP Worm Gear 54-18076  8  
54-18076 8OEM Part 54-18076 8 - Clamp (more info) About Mercury Marine $11.10 $11.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#21 32-816347 HOSE, Thermostat Cover (1 required per assembly) - Port
HOSE 32-816347 32-816347
32-816347OEM Part 32-816347 - Hose (more info) About Mercury Marine $38.57 $38.57 Add to shopping cart
1 in stock. Explain stock levels
#22 32-848957 HOSE, Thermostat Cover (1 required per assembly) - Starboard
HOSE 32-848957 32-848957
32-848957OEM Part 32-848957 - Molded Hose (more info) About Mercury Marine $36.56 $36.56 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 54-18076 4 CLAMP, Worm Gear (4 required per assembly)
CLAMP Worm Gear 54-18076  4  
54-18076 4OEM Part 54-18076 4 - Clamp (more info) About Mercury Marine $6.25 $6.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 32-847764A 1 HOSE ASSEMBLY, (22.00 Inches) Stainless Steel Braided (1 required per assembly) - Port SN# 0F745260 THRU 0F877734
HOSE ASSY         O NLA 32-847764A 1
32-847764A 1 HOSE ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#24 32-847764A 2 HOSE ASSEMBLY, (17.00 Inches) Stainless Steel Braided (1 required per assembly) - Starboard SN# 0F745260 THRU 0F877734
HOSE ASSY         O NLA 32-847764A 2
32-847764A 2 HOSE ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#25 54-847752 18 CLAMP/HOSE COVER, Hose (4 required per assembly)
COVER Clamp 54-847752 18  
54-847752 18OEM Part 54-847752 18 - Clamp (more info) About Mercury Marine $58.20 $58.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#26 12552 LIFTING EYE (1 required per assembly)
LIFTING EYE 12552 12552
12552OEM Part 12552 - Lifting Eye (more info) About Mercury Marine $11.40 $11.40 Add to shopping cart
2 in stock. Explain stock levels
#27 807252 1 THERMOSTAT, 140 Degrees (1 required per assembly)
THERMOSTAT-140    O - Replaced by -807252T 1 807252  1
807252 1This part has been superseded. THERMOSTAT-140 O - Replaced by -807252T 1
(more info)
    UnavailableUnavailable Parts
8M0089715 807252T 1 807252T 1
807252T 1OEM Part 807252T 1 - Thermostat -140 (more info) About Mercury Marine $17.59 $17.59 Add to shopping cart
1 in stock. Explain stock levels
THERMOSTAT 60 Deg 8M0089715 8M0089715
8M0089715OEM Part 8M0089715 - Thermostat-140 (more info) About Mercury Marine $18.75 $18.75 Add to shopping cart
Available to order:
Usually ships
within 8 days
THERMOSTAT KIT     807252Q 4 807252Q 4
807252Q 4OEM Part 807252Q 4 - Thermostat Kit (more info) About Mercury Marine $40.66 $40.66 Add to shopping cart
Available to order:
Usually ships
within 8 days
Thermostat (140) 18-3551
18-3551OEM Match 18-3551 - Thermostat 807252T1, 59137 (more info) About Sierra Marine $14.99 $11.08 Add to shopping cart
9 in stock. Explain stock levels
#- 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