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Parts for MerCruiser Race Engine and Drive 500 EFI Senders & Sensors

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 849363 1 SENDER ASSEMBLY, Oil Temperature (1 required per assembly)
SENDER ASSEMBLY 849363  1 849363  1
849363 1OEM Part 849363 1 - Temperature Sender Assembly (more info) About Mercury Marine $15.10 $15.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 97257A 1 SENDER ASSEMBLY, Water Temperature (1 required per assembly)
SENDER ASSY       O - Replaced by -806490 97257A 1
97257A 1This part has been superseded. SENDER ASSY O - Replaced by -806490
(more info)
    UnavailableUnavailable Parts
SENDER            O - Replaced by -806490T  
806490This part has been superseded. SENDER O - Replaced by -806490T
(more info)
    UnavailableUnavailable Parts
SENDER 806490T 806490T
806490TOEM Part 806490T - Water Temp Sender (more info) About Mercury Marine $27.92 $27.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
Temperature Sender 18-5897
18-5897OEM Match 18-5897 - Sender, 97257A1 (more info)
Replaces OEM #3853787
About Sierra Marine $26.99 $20.86 Add to shopping cart
7 in stock. Explain stock levels
#3 23-848552 BUSHING, Coolant Sensor To Plenum (1 required per assembly)
BUSHING 23-848552  
23-848552OEM Part 23-848552 - Bushing (more info) About Mercury Marine $8.35 $8.35 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 87-805605A 1 SWITCH ASSEMBLY, Engine Block Pressure (1 required per assembly)
SWITCH ASSEMBLY 87-805605A 1 87-805605A 1
87-805605A 1OEM Part 87-805605A 1 - Switch Kit (more info) About Mercury Marine $28.25 $28.25 Add to shopping cart
1 in stock. Explain stock levels
#5 22-843300 FITTING, Street Tee (1 required per assembly)
FITTING 22-843300  
22-843300OEM Part 22-843300 - Fitting (more info) About Mercury Marine $59.50 $59.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 87-815425T SENDER ASSEMBLY, Oil Pressure (1 required per assembly)
8M0068784 815425T 815425T
815425TOEM Part 815425T - 8M0068784 (more info) About Mercury Marine $38.75 $38.75 Add to shopping cart
1 in stock. Explain stock levels
OIL PRESSURE SEND 8M0068784 8M0068784
8M0068784OEM Part 8M0068784 - Sender Assembly (more info) About Mercury Marine $62.92 $62.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
Oil Press. Sender 18-5899
18-5899OEM Match 18-5899 - Sender, 982650, 815425T (more info)
Replaces OEM #3853800
About Sierra Marine $35.49 $28.26 Add to shopping cart
9 in stock. Explain stock levels
#7 10-66686 SCREW, (#10-32 x 1.00) (2 required per assembly)
SCREW (#10-32 x 1 10-66686 10-66686
10-66686OEM Part 10-66686 - Screw - Priced Individually (more info) About Mercury Marine $1.30 $1.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 12-30164 WASHER, (.192 x .375 x .0312) Stainless Steel (2 required per assembly)
WASHER (.192 x .3 12-30164  
12-30164OEM Part 12-30164 - Washer - Priced Individually (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
10+ in stock. Explain stock levels
#9 805217A 1 SENSOR ASSEMBLY, Manifold Absolute Pressure (1 required per assembly)
SENSOR ASSY (MAP) O - Replaced by -864856A 1 805217A 1
805217A 1This part has been superseded. SENSOR ASSY (MAP) O - Replaced by -864856A 1
(more info)
    UnavailableUnavailable Parts
SENSOR-MAP 864856A 1 864856A 1
864856A 1OEM Part 864856A 1 - Sensor -map (more info) About Mercury Marine $189.17 $189.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
MAP Sensor 18-7684
18-7684OEM Match 18-7684 - Sensor, 864856A1 (more info)
Replaces OEM #3850396
About Sierra Marine $158.49 $127.59 Add to shopping cart
3 in stock. Explain stock levels
#10 805544T SENSOR ASSEMBLY, Knock (1 required per assembly)
ORD 8M0077616     O NLA 805544T
805544T ORD 8M0077616 O NLA
(more info)
    UnavailableUnavailable Parts
Knock Sensor 18-7703
18-7703OEM Match 18-7703 - Sensor, 805544T, 3854512 (more info)
Replaces OEM #3854512
About Sierra Marine $68.99 $56.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
SENSOR ASSEMBLY 8M0077616  
8M0077616OEM Part 8M0077616 - Knock Sensor Assembly (more info) About Mercury Marine $164.92 $164.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 26-805412 SEAL (1 required per assembly)
SEAL 26-805412  
26-805412OEM Part 26-805412 - Seal (more info) About Mercury Marine $19.92 $19.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 805218T SENSOR, Coolant (1 required per assembly)
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
#13 849903 SENSOR, Throttle Position (1 required per assembly)
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
#14 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
#15 816492A 6 ALARM KIT, Audio Warning - Remote Mounted (1 required per assembly)
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
#16 805223T SENSOR, Intake Air Pressure (1 required per assembly)
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