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Cylinder Block - Internal Parts fit your 1991 Ford Mustang 8 Cyl 5.0L 5-Speed Manual Transmission
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1991 Ford Mustang
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8 Cyl 5.0L; 5-Speed Manual TransmissionVehicle Options
8 Cyl 5.0L; 5-Speed Manual TransmissionCategories Close X
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Engine
- Camshaft, Gear And Related Parts
- Crankcase Ventilation System
- Crankshaft And Flywheel
- Cylinder Block - External Parts
- Cylinder Block - Internal Parts
- Cylinder Head, Valves And Related Parts
- Engine Splash Shield Installation
- Engine Supports
- Oil Filter - Spin-On Type
- Oil Pump
- P.C.V. & Intake Manifold Filter
- Piston & Connecting Rod
- Rocker Arm Covers & Related Parts
- Roller Tappets & Related Parts
- Valves And Push Rods
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Part No. & Part Description
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Part Description
Part Description
ASF-42C-
SPARK PLUG ASY.Spark Plug- Service plug may differ from original, exc. Cobra
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 8
- Package Quantity: 1
- Callout Name: 12405
- Replaced By: ASF-42C-X
$7.60 $4.891
- FLYWHEEL ASY.
E4TZ-6316-A
DAMPER ASY. (CRANKSHAFT VIBRATION)Pulley - Crankshaft- Fit Note: 8 Cyl 5.0L
- Base Number: 6316
- Callout Name: 6316
$173.33 $118.561
F1SZ-6701-A
PACKING/SEAL (CRANKSHAFT REAR OIL)Seal Assy - Crankshaft Oil- One piece-dual lip
- Fit Note: 8 Cyl 5.0L
- Base Number: 6701
- Callout Name: 6701
$46.50 $31.811
- PLUG (ENGINE)
-376099-S
Obsolescence - Policy- (PP-73-A)-PLUG (REAR HOLES IN BLOCK)-CUP-3/4"
- Fit Note: 8 Cyl 5.0L
- Callout Name: 6026
- Replaced By: -W720518-S437U
$2.13 $1.244 
$3.18 $2.232- E6DZ-6026-B
Plug - Engine- Cup-1.50" OD-Used in cyl. block or head.
- Fit Note: 8 Cyl 5.0L
- Callout Name: 6026
- Replaced By: F6AZ-6026-BA
$5.73 $4.022 - -376301-S
Plug - Expansion- (PP-67-A)-PLUG (FRONT MAIN OIL GALLERY AND OIL PASSAGES)-CUP-1/2"
- Fit Note: 8 Cyl 5.0L
- Base Number: 376301-S
- Callout Name: 6026
$0.00
E5AZ-6565-A
ROD (VALVE PUSH)Rod - Valve Push- Fit Note: 8 Cyl 5.0L
- Require Quantity: 16
- Package Quantity: 4
- Base Number: 6565
- Callout Name: 6565
$4.59 $2.964
F2SZ-6500-A
TAPPET ASY. (VALVE)Tappet - Valve- Fit Note: 8 Cyl 5.0L
- Require Quantity: 16
- Package Quantity: 1
- Callout Name: 6500
- Replaced By: F2SZ-6500-B
$22.00 $13.791
- BEARING (CONNECTING ROD)
C2OZ-6211-R
Bearing - Connecting Rod- Fit Note: 8 Cyl 5.0L
- Require Quantity: 16
- Package Quantity: 1
- Base Number: 6211
- Callout Name: 6211
- C2OZ-6211-U
Bearing - Connecting Rod- .010" U/S
- Fit Note: 8 Cyl 5.0L
- Base Number: 6211
- Callout Name: 6211
- C2OZ-6211-V
Bearing - Connecting Rod- .020" U/S
- Fit Note: 8 Cyl 5.0L
- Base Number: 6211
- Callout Name: 6211
$22.60 $13.221
B8A-6378-A
WASHER (CRANKSHAFT PULLEY RETAINING)Nut - Hex. - Self-Locking- Fit Note: 8 Cyl 5.0L
- Callout Name: 6378
- Replaced By: F67Z-6378-AA
$16.67 $11.701
C5OZ-6269-D
PLATE (CAMSHAFT THRUST)Plate - Camshaft Thrust- Fit Note: 8 Cyl 5.0L
- Base Number: 6269
- Callout Name: 6269
$88.67 $48.681
D9ZZ-7007-A
PLATE (TRANS. ENGINE REAR COVER)Plate - Cylinder Block Rear- 5.0L
- Fit Note: 8 Cyl
- Base Number: 7007
- Callout Name: 7007
$108.14 $77.841
- VALVE (INTAKE)
E3ZZ-6507-A
Valve - Inlet- Std. stem dia.-.3423", exc. "Cobra"
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 8
- Package Quantity: 1
- Base Number: 6507
- Callout Name: 6507
$18.75 $13.731 
F4TZ-6507-AB
Valve - Inlet- .015" O/S, exc. "Cobra"
- Fit Note: 8 Cyl 5.0L
- Base Number: 6507
- Callout Name: 6507
- SEAL (VALVE STEM)
E7ZZ-6571-A
Seal - Valve Stem- Intake , Standard
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 8
- Package Quantity: 1
- Base Number: 6571
- Callout Name: 6571
$18.75 $13.731 
E7ZZ-6571-B
Seal - Valve Stem- Exhaust , Std.
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 8
- Package Quantity: 1
- Base Number: 6571
- Callout Name: 6571
EOAZ-6564-B
ARM (VALVE ROCKER)Arm Assy - Valve Rocker- exc. "Cobra"
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 16
- Package Quantity: 1
- Base Number: 6564
- Callout Name: 6564
$15.53 $10.901
- PISTON ASY.
$62.70 $45.131 
- RING SET (PISTON)
F2ZZ-6148-A
Kit - Piston Ring- STD. & .003" O/S
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 4
- Package Quantity: 1
- Callout Name: 6148
$58.31 $42.681 
F3ZZ-6065-E
BOLT OR STUD (CYLINDER HEAD)Bolt - Cylinder Head- KIT-Incl. Studs & Bolts for 1 cyl. head repair.
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 2
- Package Quantity: 1
- Base Number: 6065
- Callout Name: 6065
$52.33 $38.301
-351418-S
HEAD (CYLINDER)Insert- (UU-136)-Insert (reducer for holes in head)-5/8"-11 x 7/16"-14 x 1 1/8"
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 2
- Package Quantity: 1
- Callout Name: 6049
- PULLEY ASY. (CRANKSHAFT OUTER)
-42998-S8
Bolt 3/8-16X1.00 Hex- (B-252-A)-PULLEY TO DAMPER- (HEX. HD.) 3/8"-16 X 1"
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 4
- Package Quantity: 1
- Callout Name: 6A312
D9ZZ-6A312-A
Pulley - Crankshaft- exc. "Cobra"
- Fit Note: 8 Cyl 5.0L
- Base Number: 6A312
- Callout Name: 6A312
-43002-S
ECCENTRIC (CAMSHAFT FUEL PUMP DRIVE)Bolt 3/8-16 X 1.50- (B-257)-bolt(eccentric & sprocket to camshaft)-hex. slotted hd.-3/8"-16x1 1/2" - (8/94)
- Fit Note: 8 Cyl 5.0L
- Callout Name: 6287
7HA-6518-A
KEY (VALVE SPRING RETAINER)Key- Fit Note: 8 Cyl 5.0L
- Require Quantity: 32
- Package Quantity: 1
- Base Number: 6518
- Callout Name: 6518
$0.00
C2OZ-6261-A
BEARING (CAMSHAFT FRONT)Bearing - Camshaft- STD. ID & OD
- Fit Note: 8 Cyl 5.0L
- Callout Name: 6261
C2OZ-6266-B
COVER (CAMSHAFT REAR BEARING)Cover- Fit Note: 8 Cyl 5.0L
- Base Number: 6266
- Callout Name: 6266
C2OZ-6267-A
BEARING (CAMSHAFT FRONT INTERMEDIATE)Bearing - Camshaft- STD. ID & OD
- Fit Note: 8 Cyl 5.0L
- Callout Name: 6267
C2OZ-6270-A
BEARING (CAMSHAFT REAR INTERMEDIATE)Bearing - Camshaft- STD. ID & OD
- Fit Note: 8 Cyl 5.0L
- Callout Name: 6270
- BOLT OR STUD (CRANKSHAFT MAIN BEARING CAP)
C2OZ-6345-A
Bolt - Bearing Cap- Hex. head - 7/16" -14 x 3 5/32"
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 10
- Package Quantity: 1
- Callout Name: 6345
- C6TZ-6345-C
Bolt - Bearing Cap - Hex. Head- Stud - Att. screen & cvr to brg. cap - 3/8" -16 7/16" x 14 - 4 3/32"
- Fit Note: 8 Cyl 5.0L
- Base Number: 6345
- Callout Name: 6345
C2OZ-6600-A
PUMP ASY. (OIL)Pump Assy - Oil- Rotor type - hex drive - incl. (1) EOAZ-6626-A gasket
- Fit Note: 8 Cyl 5.0L
- Base Number: 6600
- Callout Name: 6600
C2OZ-6A008-A
DOWEL (CYLINDER HEAD TO CYLINDER BLOCK)Dowel- BEFORE 5/9/93
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 4
- Package Quantity: 1
- Base Number: 6A008
- Callout Name: 6A008
C3AZ-6337-AF
BEARING (CRANKSHAFT MAIN) AND 6337Bearing Main- Lower,.030 U/S,Center Brg.
- Location: Lower
- Fit Note: 8 Cyl 5.0L
- Callout Name: 6333
C3DZ-6212-A
NUT (CONNECTING ROD)Nut - Hex.- Fit Note: 8 Cyl 5.0L
- Require Quantity: 16
- Package Quantity: 1
- Base Number: 6212
- Callout Name: 6212
- BOLT (FLYWHEEL ATTACHING)
D2AZ-6379-B
Bolt - Hex.Head- 7/16" -20 x 3/4", A/T
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 6
- Package Quantity: 1
- Base Number: 6379
- Callout Name: 6379
- F1ZZ-6379-A
Bolt- 7/16"-20 x 1.06", M/T
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 6
- Package Quantity: 1
- Base Number: 6379
- Callout Name: 6379
- RETAINER (VALVE SPRING)
D3OZ-6514-A
Retainer Assembly-Valve Spr- Exhaust
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 8
- Package Quantity: 1
- Base Number: 6514
- Callout Name: 6514
D4AZ-6514-A
Retainer - Valve Spring- Intake, BEFORE 10/15/90
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 8
- Package Quantity: 1
- Callout Name: 6514
- Replaced By: F1ZZ-6514-A
- F1ZZ-6514-A
Retainer - Valve Spring- Intake, FROM 10/15/90
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 8
- Package Quantity: 1
- Base Number: 6514
- Callout Name: 6514
D4AZ-6517-A
SLEEVE (VALVE SPRING RETAINER)Sleeve- Fit Note: 8 Cyl 5.0L
- Require Quantity: 8
- Package Quantity: 1
- Base Number: 6517
- Callout Name: 6517
D8AZ-6A527-A
BOLT OR STUD (VALVE ROCKER ARM)Screw- exc. "Cobra"
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 16
- Package Quantity: 1
- Base Number: 6A527
- Callout Name: 6A527
D8AZ-6A618-A
SHAFT (OIL PUMP DRIVE)Shaft- SHAFT (OIL PUMP DRIVE)
- Fit Note: 8 Cyl 5.0L
- Base Number: 6A618
- Callout Name: 6A618
E3ZZ-6513-C
SPRING (VALVE)Spring - Valve- exc. "Cobra"
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 8
- Package Quantity: 1
- Callout Name: 6513
E4AZ-6256-A
SPROCKET CAMSHAFT/JACK SHAFT (CAMSHAFT)Sprocket - Camshaft- BEFORE 7/26/94
- Fit Note: 8 Cyl 5.0L
- Base Number: 6256
- Callout Name: 6256
E53Z-6A528-A
SEAT (VALVE ROCKER ARM FULCRUM)Seat - Valve Rocker Arm Fulcrum- Fit Note: 8 Cyl 5.0L
- Require Quantity: 16
- Package Quantity: 1
- Base Number: 6A528
- Callout Name: 6A528
- E5TZ-6A588-A
GUIDE (VALVE ROCKER ARM FULCRUM)Guide - Valve- For "Cobra" guide is incl. as part of 6A585 asy., exc."Cobra"
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 8
- Package Quantity: 1
- Callout Name: 6A588
E5ZZ-6K512-A
PLATE (VALVE TAPPET GUIDE)Guide- Bow tie (2) tappet repl. by type that holds (4) tappets.-For 1995 refer to 6K564 basic.
- Fit Note: 8 Cyl 5.0L
- Require Quantity: 8
- Package Quantity: 1
- Callout Name: 6K512
E8AZ-6214-A
BOLT (CONNECTING ROD)Bolt - Connecting Rod- Fit Note: 8 Cyl 5.0L
- Require Quantity: 16
- Package Quantity: 1
- Base Number: 6214
- Callout Name: 6214
EOAZ-6268-A
BELT OR CHAIN (TIMING)Belt - Timing- Use only w/ E4AZ-6256-A & EOAZ-6306-A, Dual roller chain, BEFORE 7/26/94
- Fit Note: 8 Cyl 5.0L
- Base Number: 6268
- Callout Name: 6268
EOAZ-6306-A
SPROCKET (CRANKSHAFT)Gear - Crankshaft- BEFORE 7/26/94
- Fit Note: 8 Cyl 5.0L
- Base Number: 6306
- Callout Name: 6306
EOAZ-6A340-A
BOLT (CRANKSHAFT PULLEY)Screw- BOLT (CRANKSHAFT PULLEY)
- Fit Note: 8 Cyl 5.0L
- Base Number: 6A340
- Callout Name: 6A340
F1AZ-6V303-BRM
CRANKSHAFT ASY.Kit - Remanufactured Crankshaft- Fit Note: 8 Cyl 5.0L
- Base Number: 6V303
- Callout Name: 6303
F1SZ-6278-A
WASHER (CAMSHAFT SPROCKET)Washer- Fit Note: 8 Cyl 5.0L
- Callout Name: 6278
- Replaced By: F3SZ-6278-A
- F3ZZ-6622-A
SCREEN COVER AND TUBE ASY. (OIL PUMP)Screen And Cover Assy- FROM 8/27/90
- Fit Note: 8 Cyl 5.0L
- Base Number: 6622
- Callout Name: 6622
- VALVE (EXHAUST)
F4TZ-6505-AB
Valve - Exhaust- .015" O/S, exc. "Cobra"
- Fit Note: 8 Cyl 5.0L
- Base Number: 6505
- Callout Name: 6505
FOAZ-6200-A
ROD ASY. (CONNECTING)Rod - Connecting- Fit Note: 8 Cyl 5.0L
- Require Quantity: 8
- Package Quantity: 1
- Base Number: 6200
- Callout Name: 6200
- FOAZ-6C515-A
RETAINER (VALVE TAPPET GUIDE PLATE)Retainer- w/roller tappets only
- Fit Note: 8 Cyl 5.0L
- Callout Name: 6C515
Genuine Ford Parts, the Right Choice
FordPartsGiant.com offers the wholesale prices for genuine 1991 Ford Mustang parts. Parts like Cylinder Block - Internal Parts are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 5.0L. Transmission: 5MT.