1991 Ford Aerostar XL Sport Mini Passenger Van Differential Carrier Bearing - 7L1Z4221A

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1991 Ford Aerostar XL Sport Mini Passenger Van

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Differential Carrier Bearing

Part Number: 7L1Z4221A
Supersession(s): 7L1Z-4221-A

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Bearing. Differential.
Bearing Only. Differential Carrier Bearing. Part cannot be reused/reinstalled. Rear Ring Gear 9.75". Ring Gear 9.75". Serviced w/Differential Carrier Bearing Race. Assembly - Ball. Carrier. Axle. Side S.

Differential Carrier BearingDrive Axle Shaft Bearing

Fits Expedition, F-150, Transit-150, Transit-250, Transit-350, Transit-350 HD

9.75" AXLE, W/ELECTRONIC LOCKING. 9.75" AXLE, W/O ELECTRONIC LOCKING. Expedition; 9.75 Axle; Bearing. F-150; 3/4 Floating Axle; 3.55 Axle Ratio. F-150; 3/4 Floating Axle; 3.73 Axle Ratio. F-150; Electronic Locking Diff.; 3.31 Axle Ratio. F-150; Electronic Locking Diff.; 3.55 Axle Ratio. F-150; Electronic Locking Diff.; 3.73 Axle Ratio. F-150; Less Limited Slip Diff.; 3.31 Axle Ratio. Navigator; Bearing. Transit. W/O POSITRACTION. W/POSITRACTION.
Differential Carrier - Repair or Replace
Your differential may need to be removed and rebuilt for a variety of symptoms including whine or groan noises, clunks or grinding, or excessive leaks. Our technicians have experience with your 1991 Ford Aerostar and can recommend the ideal course of action.

REAR AXLE. DIFFERENTIAL. PROPELLER SHAFT.

Full Diagram

Transit; 0.233" Thick. Transit; 0.255" Thick. Transit; 0.287" Thick. Transit; 0.305" Thick. Transit; 129" Wheelbase; 3.5L; AWD. Transit; 129" Wheelbase; 3.5L; RWD; w/o Turbo. Transit; 129" Wheelbase; 3.5L; RWD; w/Turbo. Transit; 129" Wheelbase; 3.5L; w/Turbo. Transit; 130" Wheelbase; 3.2L Diesel. Transit; 130" Wheelbase; 3.5L. Transit; 130" Wheelbase; 3.7L. Transit; 138" Wheelbase; 3.5L; AWD. Transit; 138" Wheelbase; 3.5L; RWD. Transit; 138" Wheelbase; Double Rear Wheel. Transit; 138" Wheelbase; Single Rear Wheel. Transit; 148" Wheelbase; 3.2L Diesel; Dual Rear Wheels. Transit; 148" Wheelbase; 3.2L Diesel; Single Rear Wheels. Transit; 148" Wheelbase; 3.5L. Transit; 148" Wheelbase; 3.7L. Transit; 148" Wheelbase; All; 3.5L; AWD. Transit; 148" Wheelbase; All; 3.5L; RWD; w/390L Series. Transit; 148" Wheelbase; All; 3.5L; RWD; w/o 390L Series. Transit; 148" Wheelbase; Cargo Van; 3.2L Diesel; Dual Rear Wheels. Transit; 148" Wheelbase; Cargo Van; 3.2L Diesel; Single Rear Wheels. Transit; 148" Wheelbase; Cargo Van; 3.5L. Transit; 148" Wheelbase; Cargo Van; 3.7L.

Transit.

REAR AXLE. DIFFERENTIAL. DRIVE AXLES. PROPELLER SHAFT.

Full Diagram

#14

Expedition; 4WD; 8.8 Axle. Expedition; 4WD; 9.75 Axle; w/Max Models. Expedition; 4WD; 9.75 Axle; w/o Max Models. Expedition; 8.8 Axle; 3.15 Ratio. Expedition; 8.8 Axle; 3.31 Ratio. Expedition; 8.8 Axle; Bearing Cup. Expedition; 8.8 Axle; Left. Expedition; 8.8 Axle; Right. Expedition; 9.75 Axle; 3.31 Ratio. Expedition; 9.75 Axle; 3.73 Ratio; w/Limited Slip Diff.. Expedition; 9.75 Axle; 3.73 Ratio; w/o Limited Slip Diff.. Expedition; 9.75 Axle; Bearing Cup. Expedition; 9.75 Axle; w/Corrosion Protect; Left. Expedition; 9.75 Axle; w/Corrosion Protect; Right. Expedition; 9.75 Axle; w/Limited Slip Diff.. Expedition; 9.75 Axle; w/o Corrosion Protect; Left. Expedition; 9.75 Axle; w/o Corrosion Protect; Right. Expedition; 9.75 Axle; w/o Limited Slip Diff.. Expedition; RWD; 8.8 Axle. Expedition; RWD; 9.75 Axle; w/Max Models; w/Corrosion Protect. Expedition; RWD; 9.75 Axle; w/Max Models; w/o Corrosion Protect. Expedition; RWD; 9.75 Axle; w/o Max Models; w/Corrosion Protect. Expedition; RWD; 9.75 Axle; w/o Max Models; w/o Corrosion Protect. Navigator; 4WD; w/L Models. Navigator; 4WD; w/o L Models. Navigator; Bearing Cup.

Expedition; 9.75 Axle; Bearing. Navigator; Bearing.

REAR SUSPENSION. CARRIER & COMPONENTS.

Full Diagram

9. 75" axle. W/ELECTRONIC locking.

Left.9.75" AXLE. Right.9.75" AXLE. W/ELECTRONIC LOCKING.

REAR SUSPENSION. CARRIER & COMPONENTS.

Full Diagram

9. 75" axle. W/O electronic locking.

Left.9.75" AXLE. Right.9.75" AXLE. W/O ELECTRONIC LOCKING.

Rear axle. Differential. Propeller shaft.

Full Diagram

F-150; Electronic Locking Diff.; 3.15 Axle Ratio. F-150; Less Limited Slip Diff.; 3.15 Axle Ratio. F-150; Multiple Piece Drive Shaft; 4WD; 157" Wheelbase; 3.0L; 3.31 Axle Ratio. F-150; Multiple Piece Drive Shaft; 4WD; 157" Wheelbase; 3.0L; 3.55 Axle Ratio. F-150; Multiple Piece Drive Shaft; 4WD; 157" Wheelbase; 3.5L; w/o Trailer Tow Max; 3.31 Axle Ratio. F-150; Multiple Piece Drive Shaft; 4WD; 157" Wheelbase; 3.5L; w/o Trailer Tow Max; 3.55 Axle Ratio. F-150; Multiple Piece Drive Shaft; 4WD; 157" Wheelbase; 3.5L; w/Trailer Tow Max. F-150; Multiple Piece Drive Shaft; 4WD; 157" Wheelbase; 5. 0L. F-150; Multiple Piece Drive Shaft; 4WD; 163" Wheelbase; 3.5L; w/o Trailer Tow Max; 3.31 Axle Ratio. F-150; Multiple Piece Drive Shaft; 4WD; 163" Wheelbase; 3.5L; w/o Trailer Tow Max; 3.55 Axle Ratio. F-150; Multiple Piece Drive Shaft; 4WD; 163" Wheelbase; 3.5L; w/Trailer Tow Max. F-150; Multiple Piece Drive Shaft; 4WD; 163" Wheelbase; 5. 0L. F-150; Multiple Piece Drive Shaft; 4WD; 3. 0L. F-150; Multiple Piece Drive Shaft; 4WD; 3. 5L. F-150; Multiple Piece Drive Shaft; 4WD; 5. 0L. F-150; Multiple Piece Drive Shaft; 4WD; 5. 2L. F-150; Multiple Piece Drive Shaft; rwd; 141" Wheelbase; 2. 7L. F-150; Multiple Piece Drive Shaft; rwd; 141" Wheelbase; 3. 3L. F-150; Multiple Piece Drive Shaft; RWD; 141" Wheelbase; 3.5L; w/o Trailer Tow Max; 3.31 Axle Ratio. F-150; Multiple Piece Drive Shaft; RWD; 141" Wheelbase; 3.5L; w/o Trailer Tow Max; 3.55 Axle Ratio. F-150; Multiple Piece Drive Shaft; RWD; 141" Wheelbase; 3.5L; w/Trailer Tow Max. F-150; Multiple Piece Drive Shaft; rwd; 141" Wheelbase; 5. 0L. F-150; Multiple Piece Drive Shaft; rwd; 145" Wheelbase; 2. 7L. F-150; Multiple Piece Drive Shaft; rwd; 145" Wheelbase; 3. 3L. F-150; Multiple Piece Drive Shaft; RWD; 145" Wheelbase; 3.5L; w/Hybrid. F-150; Multiple Piece Drive Shaft; RWD; 145" Wheelbase; 3.5L; w/o Hybrid; w/o Trailer Tow Max; 3.31 Axle Ratio.

F-150; 3/4 Floating Axle; 3.55 Axle Ratio. F-150; 3/4 Floating Axle; 3.73 Axle Ratio. F-150; Electronic Locking Diff.; 3.31 Axle Ratio. F-150; Electronic Locking Diff.; 3.55 Axle Ratio. F-150; Electronic Locking Diff.; 3.73 Axle Ratio. F-150; Less Limited Slip Diff.; 3.31 Axle Ratio.