×
- Live Chat
- 1-888-788-9341
My Garage
My Account
Cart
Internal Parts fit your 1981 Ford Mustang 8 Cyl 4.2L 3-Speed Automatic Transmission C3
Currently shopping for
1981 Ford Mustang
Change VehicleVehicle Options
8 Cyl 4.2L; 3-Speed Automatic Transmission C3Vehicle Options
8 Cyl 4.2L; 3-Speed Automatic Transmission C3Categories Close X
Currently selected
Automatic Transmission
- External Parts - Oil Cooling System
- External Parts - Shift Mechanism
- External Parts - Steering Column
- External Parts - Steering Column And Shift Mechanism
- External Parts - Steering Column Shift Mechanism And Related Parts - Fixed Wheel
- External Parts - Steering Column Shift Mechanism And Related Parts - Steering Column
- External Parts - Steering Column Shift Mechanism And Related Parts - Tilt Wheel
- External Parts - Steering Column Shift Mechanism And Related Parts - Transmission Bushings
- External Parts - Transmission Shift Controls
- Internal Parts
- Internal Parts - Case, Converter Assy. And Related Parts
- Internal Parts - Case, Converter Assy., Extension
- Internal Parts - Clutches, Gear, Shaft, Rear Support And Related Parts
- Internal Parts - Clutches, Gears, Shafts, Extension & Related Parts
- Internal Parts - Main Control Valve Body
- Internal Parts - Manual Control Linkage And Parking Pawl
- Internal Parts - Parking Pawl, Throttle And Manual Control Linkage
- Internal Parts - Servo Band
- Transmission Shift Controls
Other Categories
Accelerator Linkage, Air Cleaner & Speed Control
Air Conditioner, Radios & Shock Absorbers
Alternator, Regulator, Battery, Starter & Distributor
Body Front & Floor
Body Sides & Quarter
Engine
Fenders & Hood
Frame, Exhaust System, Spring & Stabilizer
Front Suspension & Steering
Fuel System & Manifolds
IT Interior Trim Parts
Lamps & Wiring
Radiator & Grill
Rear Axle & Drive Shaft
Roof, Back, Luggage Compartment & Tailgate
SM Body Sheet metal
Seats
Speedometer, Bumpers, Mirrors & Wipers
Wheels & Brakes
Parts Questions
Sort by:
Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
Part Description
- REAR AXLE ASY. (DIFFERENTIAL BEARING)
C9AZ-4222-A
Cup- #LM102910 - cup - SL Slim Line
- Require Quantity: 2
- Package Quantity: 1
- Base Number: 4222
- Callout Name: 4000
$12.82 $8.771 
C9AZ-4221-A
Bearing Assy - Ball- Cone roller
- Require Quantity: 2
- Package Quantity: 1
- Callout Name: 4000
- Replaced By: BC2Z-1216-B
$19.50 $13.461
D9AZ-4222-A
Cup- #LM603012 - CONE - ROLLER
- Require Quantity: 2
- Package Quantity: 1
- Base Number: 4222
- Callout Name: 4000
- Replaced By: NL3Z-4220-A
$16.58 $11.441
C6TZ-4222-A
Cup- #LM501314 - cup - M Medium
- Require Quantity: 2
- Package Quantity: 1
- Callout Name: 4000
- Replaced By: DV6Z-4222-A
$15.52 $10.611
B7A-4221-A
Bearing Assy - Differential- Cone roller
- Require Quantity: 2
- Package Quantity: 1
- Callout Name: 4000
- Replaced By: DV6Z-4221-A
$19.33 $13.341
B7A-4221-B
Bearing Assembly - Ball- Cone roller
- Require Quantity: 2
- Package Quantity: 1
- Callout Name: 4000
- Replaced By: NL3Z-4220-A
$16.58 $11.641
$18.75 $13.731
- SPEEDOMETER DRIVE GEAR IDENTIFICATION CHART
DOTZ-17285-A
Gear - Speedometer- MATERIAL: NYLON, COLOR: GREEN , TEETH: 6, I.D.: 1 3/4., O.D.: 2.00, LENGTH: 11/16
- Callout Name: 17285
$41.71 $30.521 
E5FZ-17285-A
GEAR-TRNS SPEEDO DRI- MATERIAL: NYLON, COLOR: LT. BLUE , TEETH: 26, I.D.: 2 13/16, O.D.: 3 1/2, LENGTH: 1/2
- Callout Name: 17285
$18.75 $13.731
C8OZ-17285-B
Gear - Speedometer- MATERIAL: NYLON, COLOR: BROWN , TEETH: 8, I.D.: 1 3/8, O.D.: 2 1/64, LENGTH: 11/16
- Callout Name: 17285
- Replaced By: F7TZ-17285-AA
E3ZZ-17285-A
Gear - Speedometer- MATERIAL: NYLON, COLOR: YELLOW , TEETH: 7, I.D.: 1 3/32, O.D.: 2.00, LENGTH: 11/16
- Base Number: 17285
- Callout Name: 17285
E3ZZ-17285-B
Gear - Speedometer- MATERIAL: NYLON, COLOR: BLACK , TEETH: 6, I.D.: 1 3/32, O.D.: 2.00, LENGTH: 11/16
- Callout Name: 17285
- E6DZ-17285-A
Gear - Speedometer- MATERIAL: NYLON, COLOR: NONE , TEETH: 7, I.D.: 17/32, O.D.: 1 31/32, LENGTH: 17/32
- Base Number: 17285
- Callout Name: 17285
$0.00
- CLUTCH ASY. (ONE-WAY)
$28.00 $19.151 
- CONE, ROLLER AND CUP (REAR AXLE DIFFERENTIAL BEARING)C6TZ-4222-A
Cup- #LM501314 - CUP
- Require Quantity: 2
- Package Quantity: 1
- Callout Name: 4221
- Replaced By: DV6Z-4222-A
$15.52 $10.611 - B7A-4221-A
Bearing Assy - Differential- #LM501349 - CONE - ROLLER , WITH 6 3/4" OR 7.5" R/G
- Require Quantity: 2
- Package Quantity: 1
- Callout Name: 4221
- Replaced By: DV6Z-4221-A
$19.33 $13.341
- ADJUSTER (REAR AXLE DIFFERENTIAL BEARING)
D8BZ-4067-AS
Shim - Differential Driving Gr Brg- .261" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$50.50 $27.721 
D9AZ-4067-AF
Shim - Differential Driving Gr Brg- .297" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$26.25 $18.432
D9AZ-4067-K
Shim - Differential Driving Gr Brg- .259" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$43.84 $30.772
D9AZ-4067-Z
Shim - Differential Driving Gr Brg- .285" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$33.92 $23.812- D8BZ-4067-AH
Shim - Differential Driving Gr Brg- .245" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$45.67 $31.241 
D8BZ-4067-AJ
Shim - Differential Driving Gr Brg- .247" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$51.83 $28.461- D8BZ-4067-AK
Shim - Differential Driving Gr Brg- .249" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$39.67 $21.781 - D8BZ-4067-AL
Shim - Differential Driving Gr Brg- .251" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$39.67 $21.781 - D8BZ-4067-AM
Shim - Differential Driving Gr Brg- .253" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$59.67 $32.761 - D8BZ-4067-AN
Shim - Differential Driving Gr Brg- .255" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$39.67 $21.781 - D8BZ-4067-AP
Shim - Differential Driving Gr Brg- .257" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$38.33 $26.221 - D8BZ-4067-AR
Shim - Differential Driving Gr Brg- .259" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$68.50 $37.611 - D8BZ-4067-AT
Shim - Differential Driving Gr Brg- .263" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$39.67 $21.781 - D8BZ-4067-AU
Shim - Differential Driving Gr Brg- .265" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$33.67 $23.031 - D8BZ-4067-AV
Shim - Differential Driving Gr Brg- .267" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$39.67 $28.561 - D8BZ-4067-AW
Shim - Differential Driving Gr Brg- .269" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$42.17 $26.111 - D8BZ-4067-AX
Shim - Differential Driving Gr Brg- .271" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$38.17 $26.111 - D8BZ-4067-AY
Shim - Differential Driving Gr Brg- .273" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$49.67 $35.761 - D8BZ-4067-AZ
Shim - Differential Driving Gr Brg- .275" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$42.17 $30.361 - D8BZ-4067-BB
Shim - Differential Driving Gr Brg- .279" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$40.33 $29.041 - D8BZ-4067-BC
Shim - Differential Driving Gr Brg- .281" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$39.67 $28.561 
D8BZ-4067-BD
Shim - Differential Driving Gr Brg- .283" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$59.67 $32.761- D8BZ-4067-BF
Shim - Differential Driving Gr Brg- .287" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$69.17 $49.801 - D8BZ-4067-BH
Shim - Differential Driving Gr Brg- .291" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$60.33 $33.121 - D8BZ-4067-BJ
Shim - Differential Driving Gr Brg- .293" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$59.00 $32.391 - D8BZ-4067-BK
Shim - Differential Driving Gr Brg- .295" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$60.33 $33.121 - D8BZ-4067-BL
Shim - Differential Driving Gr Brg- .297" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$59.00 $32.391 - D8BZ-4067-BM
Shim - Differential Driving Gr Brg- .299" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$60.33 $43.441 - D8BZ-4067-BN
Shim - Differential Driving Gr Brg- .301" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$40.83 $22.421 - D8BZ-4067-BP
Shim - Differential Driving Gr Brg- .303" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$100.33 $55.081 - D8BZ-4067-BS
Shim - Differential Driving Gr Brg- .243" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$39.67 $21.781 - D8BZ-4067-BT
Shim - Differential Driving Gr Brg- .305" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$99.67 $61.721 - D8BZ-4067-BU
Shim - Differential Driving Gr Brg- .307" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
$103.67 $64.191 
D9AZ-4067-A
Shim - Differential Driving Gr Brg- .241" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$35.42 $24.862
D9AZ-4067-AA
Shim - Differential Driving Gr Brg- .287" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$37.17 $26.092- D9AZ-4067-AB
Shim - Differential Driving Gr Brg- .289" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$28.84 $20.242 - D9AZ-4067-AC
Shim - Differential Driving Gr Brg- .291" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$26.25 $18.432 
D9AZ-4067-AD
Shim - Differential Driving Gr Brg- .293" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$43.84 $30.772- D9AZ-4067-AE
Shim - Differential Driving Gr Brg- .295" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$29.75 $20.882 
D9AZ-4067-AG
Shim - Differential Driving Gr Brg- .299" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$29.75 $20.882- D9AZ-4067-AH
Shim - Differential Driving Gr Brg- .301" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$57.17 $39.792 
D9AZ-4067-AJ
Shim - Differential Driving Gr Brg- .303" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$48.09 $33.752- D9AZ-4067-AK
Shim - Differential Driving Gr Brg- .305" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$35.84 $25.162 
D9AZ-4067-AL
Shim - Differential Driving Gr Brg- .307" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$26.50 $18.602- D9AZ-4067-B
Shim - Differential Driving Gr Brg- .243" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$37.17 $26.092 - D9AZ-4067-C
Shim - Differential Driving Gr Brg- .245" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$37.17 $26.092 - D9AZ-4067-D
Shim - Differential Driving Gr Brg- .247" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$48.09 $33.752 - D9AZ-4067-E
Shim - Differential Driving Gr Brg- .249" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$35.34 $24.802 - D9AZ-4067-F
Shim - Differential Driving Gr Brg- .251" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$37.42 $26.272 - D9AZ-4067-G
Shim - Differential Driving Gr Brg- .253" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$37.17 $26.092 - D9AZ-4067-H
Shim - Differential Driving Gr Brg- .255" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$37.17 $26.092 - D9AZ-4067-J
Shim - Differential Driving Gr Brg- .257" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$35.34 $24.802 - D9AZ-4067-L
Shim - Differential Driving Gr Brg- .261" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$35.34 $24.802 
D9AZ-4067-M
Shim - Differential Driving Gr Brg- .263" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$35.34 $24.802
D9AZ-4067-N
Shim - Differential Driving Gr Brg- .265" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$33.59 $23.582- D9AZ-4067-P
Shim - Differential Driving Gr Brg- .267" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$33.17 $23.282 
D9AZ-4067-R
Shim - Differential Driving Gr Brg- .269" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$32.75 $22.992- D9AZ-4067-S
Shim - Differential Driving Gr Brg- .271" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$33.59 $23.582 - D9AZ-4067-T
Shim - Differential Driving Gr Brg- .273" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$32.75 $22.992 
D9AZ-4067-U
Shim - Differential Driving Gr Brg- .275" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$33.25 $23.342- D9AZ-4067-V
Shim - Differential Driving Gr Brg- .277" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$35.42 $24.862 
D9AZ-4067-W
Shim - Differential Driving Gr Brg- .279" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$33.59 $23.582- D9AZ-4067-X
Shim - Differential Driving Gr Brg- .281" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$33.17 $23.282 - D9AZ-4067-Y
Shim - Differential Driving Gr Brg- .283" thick , 8.5" OR 8.8" R/G
- Base Number: 4067
- Callout Name: 4067
$32.75 $22.402 - D8BZ-4067-BA
Shim - Differential Driving Gr Brg- .277" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
- D8BZ-4067-BE
Shim - Differential Driving Gr Brg- .285" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
- D8BZ-4067-BG
Shim - Differential Driving Gr Brg- .289" thick , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
- D8BZ-4067-BR
Shim - Differential Driving Gr Brg- .241" THICK, , 6 3/4" OR 7.5" R/G
- Base Number: 4067
- Callout Name: 4067
- HUB (FORWARD RING GEAR)
-E860109-S
Ring- (AQ-30-D) - ring (hub to gear) - M34 I.D. (Metric)
- Base Number: E860109-S
- Callout Name: 7B067
$3.25 $1.914 
-E860122-S
Ring- (AQ-40-K) - ring (retain hub) - M87 (Metric)
- Base Number: E860122-S
- Callout Name: 7B067
$2.83 $1.666
$18.75 $13.731
$64.17 $44.661
D8BZ-4211-A
SHAFT (DIFFERENTIAL PINION)Shaft - Differential Pinion- with 7.5" R/G-conventional
- Base Number: 4211
- Callout Name: 4211
$9.13 $6.411
D8BZ-4228-A
WASHER (AXLE DIFFERENTIAL SIDE GEAR THRUST)Washer - Thrust- 7.5" R/G
- Require Quantity: 2
- Package Quantity: 4
- Base Number: 4228
- Callout Name: 4228
$7.46 $5.244
D8BZ-4230-B
WASHER (REAR AXLE DIFFERENTIAL PINION THRUST)Washer - Thrust- 7.5" R/G
- Require Quantity: 2
- Package Quantity: 6
- Base Number: 4230
- Callout Name: 4230
$1.82 $1.286
E7TZ-4204-A
CASE ASY. (REAR AXLE DIFFERENTIAL)Case - Differential- 7.5" R/G - CONVENTIONAL
- Callout Name: 4204
- Replaced By: 5R3Z-4205-AA
$229.00 $136.201
- CASE ASSY.
-87650-S
Plug - Blanking - Threaded- (P-12)-plug (reqd. to plug front pump, direct cl., forward. & throttle valve-pressure holes in case-dry seal-1/8"-27
(P-12)-plug (to plug servo pressure hole in case)-dry seal-1/8"-27 - Base Number: 87650-S
- Callout Name: 7005
- -E450102-S80
Plug- (AP-10-G)-plug (case)-1/8-27 (Metric)
- Require Quantity: 2
- Package Quantity: 1
- Base Number: E450102-S80
- Callout Name: 7005
E4DZ-4215-A
PINION KIT (REAR AXLE DIFFERENTIAL)Pinion - Differential- 7.5" R/G-conventional
- Base Number: 4215
- Callout Name: 4215
- Replaced By: YL5Z-4215-CA
Genuine Ford Parts, the Right Choice
FordPartsGiant.com offers the wholesale prices for genuine 1981 Ford Mustang parts. Parts like 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 4.2L. Transmission: 3AT C3.