How to service and repair the axle shaft of a 8.8 Inch Rear Differential on 2004 Ford F-150 Heritage?

A Ford 8.8 In Rear Differential service and repair of its axle shaft must start by lifting and securing your vehicle then removing the wheel assembly along with the tire. The lubricant must drain into a clean container before you can remove the differential housing cover by unfastening its 10 bolts. Vehicle owners should first remove the rear brake drums on vehicles with drum brakes or detach the rear disc brake caliper and secure it with a wire to gain access to the rear brake disc. The differential pinion shaft removal begins with discarding the lock bolt before the shaft extraction process. When removing U-washers and two axle shafts from the grooves maintain care to protect the rubber O-rings. Before mounting the wheel bearing oil seal grease the lip then put in the two axle shafts while protecting the U-washer rubber O-ring grooves from harm. Fix the U-washer to the button area of each axle shaft then stretch the axle outward. Installation of the differential pinion shaft requires new lock bolts unless otherwise unavailable where the threads should receive a threadlock application before alignment through the case lock bolt hole to secure with new lock bolts. The rear brake drums must be reinstalled when the vehicle has drum brakes while disc brake vehicles require installation of the rear brake disc and caliper. Install a continuous new bead of sealant to the cover before sealing the differential housing. New sealant use is unnecessary when the cover installation occurs within 15 minutes. The specified lubricant quantity should be filled into the rear axle housing until it reaches 2.37 liters (5 pints). The last step involves cleaning all foreign matter and corrosion from wheel mounting areas to establish proper metal surface contact before wheel and tire installation.

OEM 2004 Ford F-150 Heritage Differential

Front Differential

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2004 Ford F-150 Heritage Axle Housing, Rear Part Number: AL3Z-4026-A
$224.73 MSRP: $304.62
You Save: $79.89 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Differential Assembly; Differential Housing, Rear; Differential; Differential Case
- Position: Rear
- Replaces: 1L2Z-4026-BA, 9L3Z-4026-D, F4TZ-4026-B, 2L2Z-4026-AA, F85Z-4026-AA
- Base No.: 4026
- Item Weight: 20.80 Pounds
- Item Dimensions: 11.4 x 10.3 x 9.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: AL3Z-4026-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT Lightning, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
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2004 Ford F-150 Heritage Differential Case Part Number: F75Z-4204-BA
$135.07 MSRP: $186.85
You Save: $51.78 (28%)
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Product Specifications
- Other Name: Case - Differential; Differential
- Base No.: 4204
- Item Weight: 23.50 Pounds
- Item Dimensions: 12.5 x 12.7 x 8.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: F75Z-4204-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT Lightning, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
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2004 Ford F-150 Heritage Differential Case Part Number: 9L3Z-4204-B
$129.39 MSRP: $173.85
You Save: $44.46 (26%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Case - Differential; Case; Differential
- Replaces: 1L2Z-4204-AA, 1L2Z-4204-BA, F85Z-4204-AA, E7TZ-4204-F
- Base No.: 4204
- Item Weight: 13.10 Pounds
- Item Dimensions: 10.2 x 10.3 x 9.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 9L3Z-4204-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT Lightning, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
View related parts
2004 Ford F-150 Heritage Differential Case, Front Part Number: 9L3Z-4204-A
$142.56 MSRP: $203.08
You Save: $60.52 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Case - Differential; Differential Carrier, Front; Case; Differential
- Position: Front
- Replaces: E7TZ-4204-E
- Base No.: 4204
- Item Weight: 13.10 Pounds
- Item Dimensions: 11.4 x 11.1 x 11.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 9L3Z-4204-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT Lightning, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
View related parts
2004 Ford F-150 Heritage Differential Case Part Number: XW4Z-4204-AA
$51.54 MSRP: $71.25
You Save: $19.71 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Case - Differential; Differential
- Replaces: F5AZ-4204-A
- Base No.: 4204
- Item Weight: 11.30 Pounds
- Item Dimensions: 8.3 x 8.1 x 9.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: XW4Z-4204-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT Lightning, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
View related parts
2004 Ford F-150 Heritage Differential Case Part Number: LC3Z-4205-A
$225.98 MSRP: $306.31
You Save: $80.33 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Case - Differential
- Replaces: BC3Z-4205-B, E7TZ-4204-C
- Condition: New
- Fitment Type: Direct Replacement
- SKU: LC3Z-4205-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT Lightning, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
View related parts
2004 Ford F-150 Heritage Differential Case Part Number: 9L3Z-4204-D
$196.48 MSRP: $264.00
You Save: $67.52 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Case - Differential; Differential
- Replaces: F75Z-4204-BB
- Base No.: 4204
- Item Weight: 21.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 9L3Z-4204-D
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT Lightning, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
View related parts
2004 Ford F-150 Heritage Differential Assembly Part Number: 9L3Z-4026-J
$254.69 MSRP: $345.23
You Save: $90.54 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Differential Case; Differential
- Replaces: 7L3Z-4026-A, 9L3Z-4026-C, 9L3Z-4026-F
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 9L3Z-4026-J
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT Lightning, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
View related parts
2004 Ford F-150 Heritage Pinion Gear Part Number: 8L3Z-4209-R
$430.73 MSRP: $583.85
You Save: $153.12 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Gear And Pinion Assembly - Driving; Ring And Pinion; Ring & Pinion
- Replaces: 8L3Z-4209-LA, 8L3Z-4209-L
- Item Weight: 33.50 Pounds
- Item Dimensions: 13.9 x 13.8 x 10.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 8L3Z-4209-R
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT Lightning, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
View related parts
2004 Ford F-150 Heritage Differential Assembly, Rear Part Number: 9L3Z-4026-H
$264.83 MSRP: $380.77
You Save: $115.94 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Differential Carrier Housing, Rear; Differential Carrier, Rear; Differential; Differential Case; Case
- Position: Rear
- Replaces: 9L3Z-4204-C, 9L3Z-4026-G, F75Z-4204-AA
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 9L3Z-4026-H
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT Lightning, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
View related parts
2004 Ford F-150 Heritage Differential Assembly Part Number: 8C3Z-4026-A
Product Specifications
- Other Name: Differential Case; Differential
- Manufacturer Note: 2 Pinion
- Replaces: F75Z-4026-DA
- Base No.: 4026
- Item Weight: 39.30 Pounds
- Item Dimensions: 12.4 x 10.5 x 10.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 8C3Z-4026-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT Lightning, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
View related parts
2004 Ford F-150 Heritage Differential Carrier, Front Part Number: F65Z-3010-AA
Product Specifications
- Other Name: Housing - Front Axle; Differential Housing, Front; Differential; Axle Housing
- Manufacturer Note: Housing
- Position: Front
- Base No.: 3010
- Item Weight: 5.50 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: F65Z-3010-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Ford F-150 Heritage Submodels:
- SVT Lightning, XL, XLT | 6 Cyl 4.2 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS

2004 Ford F-150 Heritage Differential

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2004 Ford F-150 Heritage Differential available at FordPartsDeal.com. You can confidently purchase our OEM 2004 Ford F-150 Heritage Differential as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2004 Ford F-150 Heritage Differential Parts Q&A

Q: How to service and repair the axle shaft of a 8.8 Inch Rear Differential on 2004 Ford F-150 Heritage?
A: A Ford 8.8 In Rear Differential service and repair of its axle shaft must start by lifting and securing your vehicle then removing the wheel assembly along with the tire. The lubricant must drain into a clean container before you can remove the differential housing cover by unfastening its 10 bolts. Vehicle owners should first remove the rear brake drums on vehicles with drum brakes or detach the rear disc brake caliper and secure it with a wire to gain access to the rear brake disc. The differential pinion shaft removal begins with discarding the lock bolt before the shaft extraction process. When removing U-washers and two axle shafts from the grooves maintain care to protect the rubber O-rings. Before mounting the wheel bearing oil seal grease the lip then put in the two axle shafts while protecting the U-washer rubber O-ring grooves from harm. Fix the U-washer to the button area of each axle shaft then stretch the axle outward. Installation of the differential pinion shaft requires new lock bolts unless otherwise unavailable where the threads should receive a threadlock application before alignment through the case lock bolt hole to secure with new lock bolts. The rear brake drums must be reinstalled when the vehicle has drum brakes while disc brake vehicles require installation of the rear brake disc and caliper. Install a continuous new bead of sealant to the cover before sealing the differential housing. New sealant use is unnecessary when the cover installation occurs within 15 minutes. The specified lubricant quantity should be filled into the rear axle housing until it reaches 2.37 liters (5 pints). The last step involves cleaning all foreign matter and corrosion from wheel mounting areas to establish proper metal surface contact before wheel and tire installation.