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Water Pump, Thermostat Housing & Related Parts fit your 1999 Ford Explorer 6 Cyl 4.0L 4-Speed Automatic Transmission 4R70W
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1999 Ford Explorer
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6 Cyl 4.0L; 4-Speed Automatic Transmission 4R70WVehicle Options
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Part No. & Part Description
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Part No. &
Part Description
Part Description
F77Z-8548-AF
HOSE (WATER BY-PASS)Tube Assy- Water pump to thermostat housing
- Fit Note: 6 Cyl 4.0L
- Base Number: 8548
- Callout Name: 8548
$17.67 $11.081
F7DZ-10884-AA
SENDER (WATER TEMPERATURE INDICATOR ENGINE UNIT)Sender Assy - Temperature- #F77F 10884-AA; 2 spade terminal connector, 3/8"-18 PTF SAE., 4.0L, 5.0L
- Base Number: 10884
- Callout Name: 10884
$25.22 $15.571
- SENSOR ASY. (ENGINE COOLANT TEMPERATURE)
F2AZ-12A648-A
Sender Assy- Rounded connector with 2 round pins, Ambient temperature sensor for engine control
- Callout Name: 12A648
- Replaced By: 9U2Z-12A648-A
$51.18 $32.091 
F5AZ-12A648-A
Sensor - Engine Temperature, Ect- Rectangular connector with 2 flat pins, OHV
- Fit Note: 6 Cyl 4.0L
- Callout Name: 12A648
- Replaced By: 3F1Z-12A648-A
$36.53 $22.901
-W706800-S303
Retainer- Retainer for 12A648, SOHC
- Fit Note: 6 Cyl 4.0L
- Base Number: HX1
- Callout Name: 12A648
$17.00 $9.951
-W702675-S300
Seal- Seal between sensor & housing, SOHC
- Fit Note: 6 Cyl 4.0L
- Base Number: HM1
- Callout Name: 12A648
$22.60 $13.001
F77Z-12A648-AA
Sender Assy- Rectangular connector with 2 flat pins; for seal use W702675-S300, SOHC
- Fit Note: 6 Cyl 4.0L
- Callout Name: 12A648
- Replaced By: F8CZ-12A648-B
$47.80 $29.971
$10.00 $5.854
F57Z-12A697-A
SENSOR ASY. (INTAKE AIR TEMPERATURE)Sensor Assy- Fit Note: 6 Cyl 4.0L, 8 Cyl 5.0L
- Base Number: 12A697
- Callout Name: 12A697
$47.45 $29.751
$3.25 $1.914
- HOSE (HEATER WATER)
F5TZ-18472-B
Hose And Tube Assy - Heater Outlet- #2 in illustration, OHV
#2 in illustration. Supply hose., OHV - Fit Note: 4.0L
- Base Number: 18472
- Callout Name: 18472
$36.67 $24.531 
F5TZ-18472-C
Hose - Heater Water- #1 in illustration. Return hose. 18495 to waterpump., OHV
- Fit Note: 4.0L
- Callout Name: 18472
- Replaced By: F5TZ-18472-CA
$51.67 $35.341- F77Z-18472-AA
Hose - Heater Water- #1 in illustration. w/o aux., attaches to the 18495, SOHC
- Fit Note: 4.0L
- Callout Name: 18472
- Replaced By: F77Z-18472-AAA
$21.67 $14.501 - F77Z-18472-BA
Hose - Heater Water- #2 in illustration, SOHC
- Fit Note: 4.0L
- Callout Name: 18472
- Replaced By: YL2Z-18472-CA
$52.87 $36.161 
F77Z-18472-AB
Hose - Heater Water- From 18B402 to thermostat housing, SOHC
- Fit Note: 4.0L
- Base Number: 18472
- Callout Name: 18472
- F77Z-18472-CA
Hose Assy- #3 in illustration, SOHC
- Fit Note: 4.0L
- Callout Name: 18472
- Replaced By: F77Z-18472-CC
- F77Z-18472-EA
Hose - Heater Water- #4 in illustration, SOHC
- Fit Note: 4.0L
- Base Number: 18472
- Callout Name: 18472
- Replaced By: JL5Z-18472-A
- COVER ASY. (CYLINDER FRONT)
-W500024-S309
Bolt - Hex. Head - Flanged- M8X25 - HEX - FLNG.8 Bolt, SOHC
- Fit Note: 4.0L
- Require Quantity: 5
- Package Quantity: 4
- Callout Name: 6019
- Replaced By: -W500024-S437
$3.25 $1.914 
-E804541-S72
Stud- Stud HX 8.8 M8 X 47 + M8 X 19-you MUST use sealant on this bolt, SOHC
- Fit Note: 4.0L
- Callout Name: 6019
- Replaced By: -E804541-S437
$6.50 $3.802- F77Z-6019-AD
Cover - Cylinder Front- SOHC -Before 7/24/00
- Fit Note: 4.0L
- Callout Name: 6019
- Replaced By: 5L2Z-6019-AA
$92.95 $63.581
- $3.25 $1.914
- GASKET SET (LOWER)
$234.67 $154.881
$11.00 $6.901
- THERMOSTAT (WATER)-W702837-S300
"O" Ring- Ring seal 61 x 3.2 rubber, SOHC
- Fit Note: 6 Cyl 4.0L
- Base Number: HR1
- Callout Name: 8575
$11.00 $6.901 
F2TZ-8575-A
Thermostat Assy- Thermostat - 197
, OHV - Fit Note: 6 Cyl 4.0L
- Callout Name: 8575
- Replaced By: YU3Z-8575-BA
$50.00 $31.351- Thermostat - 197
E6TZ-8255-A
Ring - Rubber- O-ring - this application does not have a gasket, OHV
- Fit Note: 6 Cyl 4.0L
- Base Number: 8255
- Callout Name: 8575
$7.25 $5.311
F7TZ-8575-A
Thermostat Assy- Thermostat, SOHC
- Fit Note: 6 Cyl 4.0L
- Callout Name: 8575
- Replaced By: YU3Z-8575-AA
$51.09 $32.031- F77Z-8A586-AE
Connection - Water Outlet- Thermostat & housing asy., SOHC
- Fit Note: 6 Cyl 4.0L
- Callout Name: 8575
- Replaced By: YU3Z-8A586-AA
$833.72 $560.261 
F7TZ-8594-A
Connection - Water Outlet- Connector - water outlet, SOHC
- Fit Note: 6 Cyl 4.0L
- Base Number: 8594
- Callout Name: 8575
$190.77 $107.481- F5TZ-8594-AA
Connection - Water Outlet- Connector - 38mm OD, OHV
- Fit Note: 6 Cyl 4.0L
- Base Number: 8594
- Callout Name: 8575
F87Z-12A647-AA
SENSOR ASY. (AMBIENT AIR TEMPERATURE)Sensor Assy- For outside temperature thermometer, w/header mounted console
- Base Number: 12A647
- Callout Name: 12A647
$194.79 $140.221
- $6.50 $3.802
-W702673-S300
GASKET (WATER OUTLET CONNECTION)"O" Ring- Lower O-ring seal
- Fit Note: 6 Cyl 4.0L
- Base Number: HR2
- Callout Name: 8255
$17.00 $9.951
- GASKET (CYLINDER FRONT COVER)
$14.86 $9.574 - F77Z-6020-AB
Gasket- SOHC-Before 7/24/00
- Fit Note: 6 Cyl 4.0L
- Callout Name: 6020
- Replaced By: 1L2Z-6020-AA
$26.60 $16.681
F77Z-8K507-AA
HOSE ASY.Hose Assy- Thermostat housing to heater tube, SOHC
- Fit Note: 6 Cyl 4.0L
- Base Number: 8K507
- Callout Name: 8K507
$54.62 $38.011
FOTZ-8555-C
TUBE (WATER BY-PASS)Connection - Water- Steel - 1 1/2"
- Fit Note: 6 Cyl 4.0L
- Base Number: 8555
- Callout Name: 8555
$55.00 $37.621
- $22.60 $13.001
E6TZ-6700-A
SEAL (CYLINDER FRONT COVER OIL)Seal Assy - Crankshaft Oil - Front- OHV
SOHC - Fit Note: 6 Cyl 4.0L
- Callout Name: 6700
- Replaced By: 5H2Z-6700-AA
$25.50 $17.441- OHV
- CONNECTOR$190.77 $107.481
- PUMP ASY. (WATER)
F77Z-8501-AD
Pump Assy - Water- #97JM 8501-AD - does not include 1L2Z-8507-AA gasket, SOHC
- Fit Note: 6 Cyl 4.0L
- Callout Name: 8501
- Replaced By: 6L2Z-8501-C
$142.44 $89.311 
F7TZ-8501-AB
Pump Assy - Water- #97TM 8501-AC does not include gasket, OHV
- Fit Note: 6 Cyl 4.0L
- Callout Name: 8501
- Replaced By: F7TZ-8501-AC
$125.27 $75.791
F77Z-8A507-AF
HOSE (WATER OUTLET)Hose - Water Outlet- Steel tube with bracket, SOHC
- Fit Note: 6 Cyl 4.0L
- Base Number: 8592
- Callout Name: 8A507
$286.00 $195.621
FOTZ-8507-A
GASKET (WATER PUMP HOUSING AND CYLINDER)Gasket - Water Pump- #90TM 8507-AD (uses 12 bolts to mount water pump)
- Fit Note: 6 Cyl 4.0L
- Base Number: 8507
- Callout Name: 8507
$21.67 $14.821
YU3Z-8A586-AA
THERMOSTAT & HOUSING ASY.Connection - Water Outlet- Complete housing with thermostat & screw in sensors. F7DZ-10884-AA & F77Z-12A648-AA., SOHC; Except Post Office Vehicle
- Fit Note: 6 Cyl 4.0L
- Base Number: 8A586
- Callout Name: 8A586
$833.72 $560.261
Genuine Ford Parts, the Right Choice
FordPartsGiant.com offers the wholesale prices for genuine 1999 Ford Explorer parts. Parts like Water Pump, Thermostat Housing & Related Parts are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 4.0L. Transmission: 4AT 4R70W.