Logo

Parts for MerCruiser 350 Mag MPI Horizon MIE Standard Cooling System

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 860256A 4 HOUSING ASSEMBLY, Thermostat (1 required per assembly)
HOUSING ASSEMBLY 860256A 4 860256A 4
860256A 4OEM Part 860256A 4 - Thermostat Housing (more info) About Mercury Marine $343.50 $343.50 Add to shopping cart
1 in stock. Explain stock levels
#2 22-32803 PLUG, Pipe (.375-18) Brass (2 required per assembly)
PLUG Pipe (.375-1 22-32803 22-32803
22-32803OEM Part 22-32803 - Plug (more info) About Mercury Marine $4.70 $4.70 Add to shopping cart
3 in stock. Explain stock levels
Pipe Plug, 3/8-18 Npt Pipe 18-4264
18-4264OEM Match 18-4264 - Pipe Plug, 3/8-18 NPT Pi (more info) About Sierra Marine $3.99 $3.41 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 27-806871 GASKET (1 required per assembly)
GASKET Note: must be ordered in multiples of 5 27-806871 27-806871
27-806871OEM Part 27-806871 - Gasket - Priced Individually (more info) About Mercury Marine $6.80 $6.80 Add to shopping cart
10 in stock. Explain stock levels
#4 27-53045 1 GASKET (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
#5 807252T 2 THERMOSTAT, 71°C (160°F) (1 required per assembly)
8M0091470 807252T 2 807252T 2
807252T 2OEM Part 807252T 2 - Thermostat -160 (more info) About Mercury Marine $25.67 $25.67 Add to shopping cart
1 in stock. Explain stock levels
THERMOSTAT-160    * 8M0091470
8M0091470 THERMOSTAT-160 *
(more info)
    UnavailableUnavailable Parts
Thermostat  160Deg. 18-3649
18-3649OEM Match 18-3649 - Thermostat, 160 Degree, 807252T2 (more info) About Sierra Marine $25.99 $21.17 Add to shopping cart
10+ in stock. Explain stock levels
THERMOSTAT  8M0109441 8M0109441
8M0109441OEM Part 8M0109441 - Thermostat, 160 Degree (more info) About Mercury Marine $28.83 $28.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 23-806922 SLEEVE (1 required per assembly)
SLEEVE 23-806922 23-806922
23-806922OEM Part 23-806922 - Sleeve (more info) About Mercury Marine $12.30 $12.30 Add to shopping cart
8 in stock. Explain stock levels
#7 10-47688 SCREW, (.375-16 x 2.750) (2 required per assembly)
SCREW (.375-16 x 10-47688 10-47688
10-47688OEM Part 10-47688 - Screw (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 13-35048 LOCKWASHER, (.375) (2 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
#9 32-808033 HOSE, Molded (1 required per assembly)
HOSE Molded 32-808033 32-808033
32-808033OEM Part 32-808033 - Molded Hose (more info) About Mercury Marine $51.80 $44.36 Add to shopping cart
Available to order:
Usually ships
within 8 days
Molded Hose 18-70948
18-70948OEM Match 18-70948 - Molded Hose (more info) About Sierra Marine $39.99 $32.25 Add to shopping cart
1 in stock. Explain stock levels
#10 32-808045 HOSE, Fuel Cooler to Transmission Oil Cooler (1 required per assembly)
HOSE 32-808045 32-808045
32-808045OEM Part 32-808045 - Molded Hose (more info) About Mercury Marine $49.90 $42.73 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 32-808044 1 HOSE, Molded (1 required per assembly)
HOSE Molded 32-808044  1 32-808044  1
32-808044 1OEM Part 32-808044 1 - Molded Hose (more info) About Mercury Marine $62.92 $62.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 32-17435 79 HOSE, (96.00 Inches Bulk) (1 required per assembly)
HOSE-96 INCH      O - Replaced by 32-863343 79  
32-17435 79This part has been superseded. HOSE-96 INCH O - Replaced by 32-863343 79
(more info)
    UnavailableUnavailable Parts
HOSE-96 INCH      O - Replaced by 32-865672079  
32-863343 79This part has been superseded. HOSE-96 INCH O - Replaced by 32-865672079
(more info)
    UnavailableUnavailable Parts
328M0062666 32-865672079 32-865672079
32-865672079OEM Part 32-865672079 - HOSE-96 INCH (more info) About Mercury Marine $158.15 $158.15 Add to shopping cart
1 in stock. Explain stock levels
HOSE (96.00 Inche 32-8M0062666 32-8M0062666
32-8M0062666OEM Part 32-8M0062666 - Water Hose Bulk -96" (more info) About Mercury Marine $180.30 $154.39 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 32-861590A 2 HOSE ASSEMBLY, Thermostat Housing to Water Pump With Drain (1 required per assembly)
HOSE ASSY-DRAIN   O - Replaced by 32-861590A05  
32-861590A 2This part has been superseded. HOSE ASSY-DRAIN O - Replaced by 32-861590A05
(more info)
    UnavailableUnavailable Parts
HOSE ASSEMBLY BOTH 32-87108 & 32-806825 32-861590A05 32-861590A05
32-861590A05OEM Part 32-861590A05 - Drain Hose Assembly (more info) About Mercury Marine $53.90 $46.16 Add to shopping cart
Available to order:
Usually ships
within 8 days
Molded Hose 18-71337
18-71337OEM Match 18-71337 - Hose, 32-87108, 32-806825 (more info)
Replaces OEM #0312781
About Sierra Marine $45.49 $36.17 Add to shopping cart
10+ in stock. Explain stock levels
#14 32-806635 1 HOSE (1 required per assembly)
HOSE 32-806635  1 32-806635  1
32-806635 1OEM Part 32-806635 1 - Molded Hose (more info) About Mercury Marine $42.08 $42.08 Add to shopping cart
2 in stock. Explain stock levels
#15 32-807697 HOSE, Thermostat Housing to Starboard Manifold (1 required per assembly)
HOSE 32-807697 32-807697
32-807697OEM Part 32-807697 - Molded Hose (more info) About Mercury Marine $66.50 $56.94 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 54-815504220 CLAMP, Worm Gear (4 required per assembly)
CLAMP Worm Gear 54-815504220 54-815504220
54-815504220OEM Part 54-815504220 - Clamp (more info) About Mercury Marine $5.40 $5.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 54-815504222 CLAMP, Worm Gear (1.98 DIameter) (7 required per assembly)
CLAMP Worm Gear ( 54-815504222 54-815504222
54-815504222OEM Part 54-815504222 - Clamp - Priced Individually (more info) About Mercury Marine $4.30 $4.30 Add to shopping cart
3 in stock. Explain stock levels
#18 54-815504232 CLAMP, Worm Gear (2.50 Diameter) (2 required per assembly)
CLAMP Worm Gear ( 54-815504232 54-815504232
54-815504232OEM Part 54-815504232 - Clamp (more info) About Mercury Marine $6.20 $4.19 Add to shopping cart
10+ in stock. Explain stock levels
#19 54-47715 CLIP (1 required per assembly)
CLIP 54-47715  
54-47715OEM Part 54-47715 - Clip (more info) About Mercury Marine $6.60 $6.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 11-29250 NUT, (.312-24) (1 required per assembly)
NUT (.312-24) 11-29250 11-29250
11-29250OEM Part 11-29250 - Nut - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
10+ in stock. Explain stock levels
#21 22-806608A 1 PLUG KIT, (.500-13) Royal Blue (1 required per assembly)
PLUG KIT @5       O - Replaced by 22-806608A02 22-806608A 1
22-806608A 1This part has been superseded. PLUG KIT @5 O - Replaced by 22-806608A02
(more info)
    UnavailableUnavailable Parts
PLUG ASSEMBLY (.5 22-806608A02 22-806608A02
22-806608A02OEM Part 22-806608A02 - Plug Assembly - Priced Individually (more info) About Mercury Marine $6.60 $6.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
DRAIN PLUG 18-4226
18-4226OEM Match 18-4226 - Drain Plug, 22-806608A1 (more info) About Sierra Marine $4.49 $2.97 Add to shopping cart
Available to order:
Usually ships
within 8 days
PLUG KIT Note: must be ordered in multiples of 2   22806608Q01 22-806608Q01
22-806608Q01OEM Part 22-806608Q01 - Plug Kit - Priced Individually (more info) About Mercury Marine $6.80 $6.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#22 25-32509 O-RING, (.489 x .070) (1 required per assembly)
O-RING (.489 x .0 25-32509 25-32509
25-32509OEM Part 25-32509 - O-Ring - Priced Individually (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
10+ in stock. Explain stock levels
O-Ring 18-7165-9
18-7165-9OEM Match 18-7165-9 - O-Ring (PK5) , 0304174 (more info)
Replaces OEM #0304174
About Sierra Marine $7.45 $4.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#NS 19-807992 3 COVER, Hose Clamp End (AR required per assembly)
COVER-.375 @20    O - Replaced by 19-8M6500037  
19-807992 3This part has been superseded. COVER-.375 @20 O - Replaced by 19-8M6500037
(more info)
    UnavailableUnavailable Parts
COVER-CLAMP @20   O - Replaced by 19-8M0074364  
19-8M6500037This part has been superseded. COVER-CLAMP @20 O - Replaced by 19-8M0074364
(more info)
    UnavailableUnavailable Parts
CAP 19-8M0074364  
198M0074364OEM Part 198M0074364 - Cover-Clamp Note: Must be ordered in multiples of 20 (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 27-75611A98 GASKET SET, Engine Overhaul (1 required per assembly)
GASKET SET Engine 27-75611A98 27-75611A98
27-75611A98OEM Part 27-75611A98 - Gasket Set (more info) About Mercury Marine $478.50 $478.50 Add to shopping cart
Available to order:
Usually ships
within 8 days