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Parts for MerCruiser Race Engine and Drive 525 EFI Senders & Sensors

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 854445 SENSOR, MAP, Manifold Absolute Pressure (1 required per assembly) - NOTE: Also See Intake Plenum And Components Section
SENSOR Map VOLVO PART# 854445 854445
854445OEM Part 854445 - Sensor (map) (more info) About Mercury Marine $91.25 $91.25 Add to shopping cart
3 in stock. Explain stock levels
Map Sensor 18-7668
18-7668OEM Match 18-7668 - Sensor, 854445 (more info) About Sierra Marine $74.32 $74.32 Add to shopping cart
1 in stock. Explain stock levels
#2 805218T SENSOR, Coolant Temperature (1 required per assembly) - NOTE: Also See Cylinder Block And Camshaft Section
SENSOR ASSY-TEMP 805218T 805218T
805218TOEM Part 805218T - Temperature Sensor Assembly (more info) About Mercury Marine $32.83 $32.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
Coolant Temp Sensor 18-7600
18-7600OEM Match 18-7600 - Sensor 805218T (more info) About Sierra Marine $29.99 $24.52 Add to shopping cart
5 in stock. Explain stock levels
#3 805223T SENSOR, Intake Air Temperature (1 required per assembly) - NOTE: Also See Intake Plenum And Components Section
SENSOR ASSY (IAT) 805223T 805223T
805223TOEM Part 805223T - Sensor Assembly (iat) (more info) About Mercury Marine $81.75 $81.75 Add to shopping cart
Available to order:
Usually ships
within 8 days
Air Charge Temp Sender 18-7702
18-7702OEM Match 18-7702 - Sender, 805223T, 3854527 (more info) About Sierra Marine $44.99 $37.13 Add to shopping cart
1 in stock. Explain stock levels
#4 881879011 SENSOR, Pressure (0 - 100 PSI), Fuel (1 required per assembly) - NOTE: Also See Fuel Rails And Injectors Section
SENSOR-PRESSURE   O - Replaced by -881879T11 881879011
881879011This part has been superseded. SENSOR-PRESSURE O - Replaced by -881879T11
(more info)
    UnavailableUnavailable Parts
SENSOR Pressure ( 881879T11 881879T11
881879T11OEM Part 881879T11 - Pressure Sensor (more info) About Mercury Marine $136.58 $136.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 22-64013 FITTING, (.375 Male To .125 Female) (1 required per assembly) - NOTE: Used With Oil Pressure Sensor - Also See Cylinder Block And Camshaft Section
FITTING (.375 Mal 22-64013  
22-64013OEM Part 22-64013 - Reducer (more info) About Mercury Marine $7.90 $7.90 Add to shopping cart
6 in stock. Explain stock levels
#6 864297001 SENSOR ASSEMBLY, Crankshaft Position (1 required per assembly) - NOTE: Also See Circulating Water Pump And Front Cover Section
SENSOR-CRANK POS  O - Replaced by -864297T01  
864297001This part has been superseded. SENSOR-CRANK POS O - Replaced by -864297T01
(more info)
    UnavailableUnavailable Parts
SENSOR ASSEMBLY 864297T01 864297T01
864297T01OEM Part 864297T01 - Crank Position Sensor (more info) About Mercury Marine $214.42 $214.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
CRANKSHAFT SENSOR 18-7556
18-7556OEM Match 18-7556 - Crankshaft Sensor 864297001 (more info) About Sierra Marine $101.66 $84.89 Add to shopping cart
6 in stock. Explain stock levels
#7 25-885192 O-RING (1 required per assembly)
O-RING 25-885192  
25-885192OEM Part 25-885192 - O-Ring (more info) About Mercury Marine $35.80 $30.66 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 885342002 SENSOR ASSEMBLY, Water Temperature (1 required per assembly) - NOTE: Also See Closed Cooling System Section
SENSOR ASSEMBLY 885342002 885342002
885342002OEM Part 885342002 - Temperature Sensor Assembly (more info) About Mercury Marine $31.58 $31.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 25-896699 O-RING, (1.78 mm x .08 mm) (1 required per assembly)
O-RING (1.78 mm x 25-896699  
25-896699OEM Part 25-896699 - O-Ring (more info) About Mercury Marine $7.70 $7.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 816492A 6 ALARM KIT, Audio Warning (1 required per assembly) - NOTE: Remote Mounted Near Helm
ALARM KIT 816492A 6 816492A 6
816492A 6OEM Part 816492A 6 - Alarm Kit (more info) About Mercury Marine $82.50 $82.50 Add to shopping cart
1 in stock. Explain stock levels
#11 849903 SENSOR, Throttle Position (1 required per assembly) - NOTE: Also See Intake Plenum And Components Section
SENSOR Throttle P 849903 849903
849903OEM Part 849903 - Sensor -tps (more info) About Mercury Marine $170.97 $170.97 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 10-805400 SCREW, (#8-32 x .500) Stainless Steel (2 required per assembly)
SCREW (#8-32 x .5 10-805400 10-805400
10-805400OEM Part 10-805400 - Screw (more info) About Mercury Marine $1.20 $1.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 880609001 SENSOR ASSEMBLY (1 required per assembly) - NOTE: Also See Circulating Water Pump And Front Cover Section
SENSOR ASSY       O - Replaced by -8M0011986  
880609001This part has been superseded. SENSOR ASSY O - Replaced by -8M0011986
(more info)
    UnavailableUnavailable Parts
SENSOR ASSEMBLY 8M0011986  
8M0011986OEM Part 8M0011986 - Sensor Assembly (more info) About Mercury Marine $89.42 $89.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 NSS NOT SOLD SEPARATE, O-Ring (1 required per assembly)