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Cylinder Block & Plugs fit your 1998 Ford F-250 8 Cyl 5.4L 4-Speed Automatic Transmission 4R70W
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1998 Ford F-250
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8 Cyl 5.4L; 4-Speed Automatic Transmission 4R70WVehicle Options
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Part No. & Part Description
Price & Qty.
Part No. &
Part Description
Part Description
F8AZ-6A008-AA
DOWEL (CYLINDER HEAD TO CYLINDER BLOCK)Dowel - Pin- Fit Note: 8 Cyl 5.4L
- Require Quantity: 4
- Package Quantity: 4
- Base Number: 6A008
- Callout Name: 6A008
$3.89 $2.734
- TUBE (WATER BY-PASS)
-W704593-S100
Seal- O-ring for the 8555 - 12.42 x 1.8 rubber
- Fit Note: 8 Cyl 5.4L
- Base Number: HM1
- Callout Name: 8555
$17.00 $9.951 
F75Z-8555-AA
Tube Assy- Pressed in block behind water pump; O-rings are W704593- S100, Under 8500 GVW
- Fit Note: 8 Cyl 4.6L, 8 Cyl 5.4L
- Base Number: 8555
- Callout Name: 8555
$19.17 $13.461
- $17.00 $9.951
F2AZ-6397-A
DOWELSleeve - Guide- Cylinder block rear to Transmission
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 2
- Package Quantity: 2
- Base Number: 6397
- Callout Name: 6397
$13.732
- BOLT (CRANKSHAFT MAIN BEARING CAP)
F6AZ-6345-AA
Bolt - Bearing Cap - Hex. Head- Bolt M10x94.5; New bolts required when replacing Bearings., Natural Gas
Bolt M10x94.5; New bolts required when replacing bearings. - Fit Note: 8 Cyl 5.4L
- Require Quantity: 9
- Package Quantity: 3
- Base Number: 6345
- Callout Name: 6345
$6.00 $4.213 
F65Z-6345-AA
Bolt - Bearing Cap - Hex. Head- Bolt M9x53.5; Side bolts; New bolts required when replacing bearings
Bolt M9x53.5; Side bolts; New bolts required when replacing bearings, Natural Gas Vehicle - Fit Note: 8 Cyl 5.4L
- Require Quantity: 10
- Package Quantity: 10
- Base Number: 6345
- Callout Name: 6345
$2.40 $1.6810
F6AZ-6345-BA
Stud- Stud- M8xM10x126 - Do not re-use removed stud when replacing bearings
Stud- M8xM10x126 - Do not re-use removed stud when replacing bearings, Natural Gas Vehicle - Fit Note: 8 Cyl 5.4L
- Base Number: 6345
- Callout Name: 6345
$6.92 $4.861
F65Z-6C070-AB
COVER (CYLINDER BLOCK OPENING)Cover- Plug; Converter Inspection Hole In Block
- Fit Note: 8 Cyl 5.4L
- Base Number: 6C070
- Callout Name: 6C070
$10.45 $7.341
- FREEZE PLUG (ENGINE)
F6AZ-6026-AA
Plug - Engine- Cup type-1 3/4" cyl. block
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 8
- Package Quantity: 2
- Base Number: 6026
- Callout Name: 6026
$7.44 $5.232 
E6DZ-6026-A
Plug - Engine- (Used in cyl. hd.) cup 1.26" O.D.
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 4
- Package Quantity: 4
- Base Number: 6026
- Callout Name: 6026
$2.50 $1.764
F1AZ-6026-A
Plug - Engine- Cup type; 13.84mm; Front & rear of block.
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 2
- Package Quantity: 2
- Callout Name: 6026
- Replaced By: BL3Z-6026-A
$3.86 $2.712
F3AZ-6026-A
Plug - Engine- Pipe type-3/8-18x.425-cyl. block
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 2
- Package Quantity: 2
- Base Number: 6026
- Callout Name: 6026
$4.12 $2.892
F6AZ-6026-BA
Plug - Engine- Cup type; 38.30mm; Cylinder head front & rear.
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 6
- Package Quantity: 2
- Base Number: 6026
- Callout Name: 6026
$5.73 $4.022
F5RZ-6026-K
Plug - Engine- 3/8 x 18 mm pipe-LH side of Cyl. Block/front of head
- Fit Note: 8 Cyl 5.4L
- Base Number: 6026
- Callout Name: 6026
$5.45 $3.831- F6AZ-6026-CA
Plug - Engine- Cup type-11.4mm- cyl. head
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 2
- Package Quantity: 1
- Base Number: 6026
- Callout Name: 6026
$0.00
XL3Z-8597-AA
HOSE (WATER BY-PASS)Connection - Water- Threaded fitting with small coolant outlet
- Fit Note: 8 Cyl 5.4L
- Callout Name: 8597
- Replaced By: 5L3Z-8597-A
$10.44 $6.541
F6TZ-6A346-BB
DOWEL (BEARING CAP)Dowel - Bearing Cap- Natural Gas Vehicle
- Fit Note: 8 Cyl 5.4L
- Require Quantity: 10
- Package Quantity: 10
- Base Number: 6A346
- Callout Name: 6A346
$4.27 $3.0010
F77Z-12A699-AA
SENSOR ASY. (KNOCK)Sensor - Engine Knock- 4 Pin
- Fit Note: 8 Cyl 5.4L
- Base Number: 12A699
- Callout Name: 12A699
F85Z-8A505-AA
HOSE (WATER INLET CONNECTION)Hose- #F85E 18465-AA - throttle body to intake
- Fit Note: 8 Cyl 5.4L
- Base Number: 8A505
- Callout Name: 8A505
$0.00
Genuine Ford Parts, the Right Choice
FordPartsGiant.com offers the wholesale prices for genuine 1998 Ford F-250 parts. Parts like Cylinder Block & Plugs are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 5.4L. Transmission: 4AT 4R70W.