How to service and repair the 9.75-Inch Ring Gear axle shaft on Lincoln Navigator?

Start the service or repair of the Ford 9.75-Inch Ring Gear axle shaft by disabling the air suspension system at the RH kick panel air suspension switch position in order to avoid unintended air spring inflation or deflation. Climb up the vehicle and secure it properly before extracting the wheel and tire unit followed by removing the differential housing cover and draining the fluid. Start by discarding the lock bolt then pulling out the shaft. After that separate the brake calipers from the discs before proceeding with the differential pinion shaft removal. When you detach the U-washers from axle shaft grooves ensure that the rubber O-rings remain protected by sliding the axle shafts inboard. Remove the two axle shafts before finishing by preserving the wheel bearing oil seal from damage. The moment to install involves lubricating the wheel bearing oil seal with Premium Long-Life Grease XG-1-C or equivalent Ford specification ESA-M1C75-B which must be done before placing the two axle shafts in while keeping the wheel bearing oil seal protected from damage. You should place U-washers on the button ends of axle shafts and extend the shafts outward for installation. Install a new pinion shaft lock bolt unless impossible. Then treat threads with Threadlock and Sealer E0AZ-19554-AA or Ford equivalent WSK-M2G351-A5 and position the differential pinion shaft for its case lock bolt hole. Finish the process with a new lock bolt. The next steps include replacing brake discs and differential housing cover installations together with specified lubricant addition to the rear axle housing prior to reattaching wheels and lowering the vehicle.

OEM Lincoln Navigator Axle Shaft

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36 Axle Shafts found

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Lincoln Navigator Axle Assembly, Front Passenger Side
Part Number: AL1Z-3A428-B
$117.13 MSRP: $192.73
You Save: $75.60 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft - Front Axle; CV Axle Assembly, Front Right; GSP CV Axle; Axle Shaft; CV Axle Assembly
- Position: Front Passenger Side
- Replaces: AL1Z-3A428-A, 7L1Z-3B436-A, TX-560
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2015 Lincoln Navigator | Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 6 Cyl 3.5 L GAS, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
View related parts
Lincoln Navigator Axle Assembly, Front Driver Side
Part Number: AL1Z-3A427-B
$132.60 MSRP: $218.18
You Save: $85.58 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft - Front Axle; CV Axle Assembly, Front Left; GSP CV Axle; Axle Shaft; CV Axle Assembly
- Position: Front Driver Side
- Replaces: 7L1Z-3B437-A, TX-577, AL1Z-3A427-A, TX-474
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2015 Lincoln Navigator | Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 6 Cyl 3.5 L GAS, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
View related parts
Lincoln Navigator Axle Assembly, Rear Driver Side
Part Number: AL1Z-4K139-D
$359.57 MSRP: $528.00
You Save: $168.43 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft Assembly - Rear Axle; CV Axle Assembly, Rear Left; CV Axle Assembly; GSP CV Axle; Axle Shaft
- Position: Rear Driver Side
- Replaces: AL1Z-4K139-A, 9L1Z-4K139-A, AL1Z-4K139-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2013 Lincoln Navigator | Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
View related parts
Lincoln Navigator Axle Assembly, Front Passenger Side
Part Number: GL7Z-3A428-A
$182.63 MSRP: $290.00
You Save: $107.37 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft - Front Axle; Axle Shaft
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2016-2017 Lincoln Navigator | L Reserve, L Select, Reserve, Select | 6 Cyl 3.5 L GAS
View related parts
Lincoln Navigator Axle Assembly, Front Driver Side
Part Number: GL7Z-3A427-A
$187.67 MSRP: $298.00
You Save: $110.33 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft - Front Axle; Axle Shaft
- Position: Front Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2016-2017 Lincoln Navigator | L Reserve, L Select, Reserve, Select | 6 Cyl 3.5 L GAS
View related parts
Lincoln Navigator Axle Assembly, Front Passenger Side
Part Number: GL1Z-3A428-A
$172.55 MSRP: $274.00
You Save: $101.45 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft - Front Axle; CV Axle Assembly, Front Right; GSP CV Axle; Axle Shaft; CV Axle Assembly
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2016-2017 Lincoln Navigator | L Reserve, L Select, Reserve, Select | 6 Cyl 3.5 L GAS
View related parts
Lincoln Navigator Axle Assembly, Rear Passenger Side
Part Number: GL7Z-4K138-B
$324.61 MSRP: $476.67
You Save: $152.06 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft Assembly; CV Axle Assembly, Rear Right; GSP CV Axle; Axle Shaft; CV Axle Assembly
- Position: Rear Passenger Side
- Replaces: GL7Z-4K138-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2016-2024 Lincoln Navigator | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, L Select, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS
View related parts
Lincoln Navigator Axle Assembly, Rear Passenger Side
Part Number: AL1Z-4K138-C
$129.39 MSRP: $188.33
You Save: $58.94 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft Assembly; CV Axle Assembly, Rear Right; GSP CV Axle; Axle Shaft; CV Axle Assembly
- Position: Rear Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2013-2024 Lincoln Navigator | Base, Black Label, L, L Base, L Black Label, L Livery, L Reserve, L Select, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS, 8 Cyl 5.4 L FLEX
View related parts
Lincoln Navigator Axle Assembly, Front Driver Side
Part Number: NL1Z-3A427-B
$332.10 MSRP: $487.67
You Save: $155.57 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft - Front Axle; CV Axle Assembly, Front Left
- Position: Front Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2024 Lincoln Navigator | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, Reserve | 6 Cyl 3.5 L GAS
View related parts
Lincoln Navigator Axle Assembly, Front Driver Side
Part Number: NL1Z-3A427-A
$308.38 MSRP: $452.83
You Save: $144.45 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft - Front Axle; CV Axle Assembly, Front Left
- Position: Front Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2024 Lincoln Navigator | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, Reserve | 6 Cyl 3.5 L GAS
View related parts
Lincoln Navigator Axle Assembly, Front Passenger Side
Part Number: NL1Z-3A428-A
$116.96 MSRP: $180.00
You Save: $63.04 (36%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft - Front Axle; CV Axle Assembly, Front Right
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2024 Lincoln Navigator | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, Reserve | 6 Cyl 3.5 L GAS
View related parts
Lincoln Navigator Axle Assembly, Front Passenger Side
Part Number: NL1Z-3A428-B
$325.75 MSRP: $478.33
You Save: $152.58 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft - Front Axle; CV Axle Assembly, Front Right
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2022-2024 Lincoln Navigator | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, Reserve | 6 Cyl 3.5 L GAS
View related parts
Lincoln Navigator Axle Assembly, Rear Driver Side
Part Number: GL7Z-4K139-B
$325.75 MSRP: $478.33
You Save: $152.58 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft Assembly - Rear Axle; CV Axle Assembly, Rear Left; GSP CV Axle; Axle Shaft; CV Axle Assembly
- Position: Rear Driver Side
- Replaces: GL7Z-4K139-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2016-2024 Lincoln Navigator | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, L Select, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS
View related parts
Lincoln Navigator Axle Assembly, Rear Passenger Side
Part Number: AL1Z-4K138-D
$358.32 MSRP: $526.17
You Save: $167.85 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft Assembly; CV Axle Assembly, Rear Right; CV Axle Assembly; GSP CV Axle; Axle Shaft
- Position: Rear Passenger Side
- Replaces: 9L1Z-4K138-A, AL1Z-4K138-A, AL1Z-4K138-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2013 Lincoln Navigator | Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
View related parts
Lincoln Navigator Drive Axle, Front Passenger Side
Part Number: 3L3Z-3219-AA
$111.66 MSRP: $154.46
You Save: $42.80 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft - Front Axle; Drive Axle Shaft, Front Right; Axle Shaft; Axle Shafts; Axle Assembly
- Position: Front Passenger Side
- Replaces: F65Z-3219-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2002 Lincoln Navigator | Base | 8 Cyl 5.4 L GAS
View related parts
Lincoln Navigator Axle Shaft, Rear Driver Side
Part Number: F75Z-4234-LB
$152.32 MSRP: $210.73
You Save: $58.41 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft Assembly - Rear Axle; Drive Axle Shaft, Rear Left; Axle Shafts
- Position: Rear Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-1999 Lincoln Navigator | Base | 8 Cyl 5.4 L GAS
View related parts
Lincoln Navigator Axle Shaft, Rear Passenger Side
Part Number: YL1Z-4234-CA
$282.20 MSRP: $390.39
You Save: $108.19 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Shaft Assembly - Rear Axle; Drive Axle Shaft, Rear Right; Axle Shafts
- Position: Rear Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Lincoln Navigator | Base | 8 Cyl 5.4 L GAS
View related parts
Lincoln Navigator Drive Axle, Front Passenger Side
Part Number: 6L3Z-3219-A
Product Specifications
- Other Name: Shaft - Front Axle; Drive Axle Shaft, Front Right; Axle Shafts; Axle Assembly; Axle Shaft
- Position: Front Passenger Side
- Replaces: 2L1Z-3219-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003 Lincoln Navigator | Base | 8 Cyl 5.4 L GAS
View related parts
Lincoln Navigator Axle Assembly, Front
Part Number: 5L1Z-3B436-AA
Product Specifications
- Other Name: Joint And Stub Shaft Assembly; CV Axle Assembly, Front Left, Front Right; GSP CV Axle; Axle Shaft; CV Joint; Shaft & Joint Assembly; CV Axle Assembly
- Position: Front
- Replaces: 2L1Z-3B436-BB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2006 Lincoln Navigator | Base, Luxury, Ultimate | 8 Cyl 5.4 L GAS
View related parts
Lincoln Navigator Axle Assembly, Passenger Side
Part Number: 4L1Z-4K138-AC
Product Specifications
- Other Name: Shaft Assembly; CV Axle Assembly; GSP CV Axle; Axle Shaft
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2006 Lincoln Navigator | Base, Luxury, Ultimate | 8 Cyl 5.4 L GAS

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Lincoln Navigator Axle Shaft

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Lincoln Navigator Axle Shaft Parts Questions & Experts Answers

Axle Shaft, Rear Driver Side
YL1Z-4234-CB
Q: How to service and repair the 9.75-Inch Ring Gear axle shaft on Lincoln Navigator?
A: Start the service or repair of the Ford 9.75-Inch Ring Gear axle shaft by disabling the Air Suspension system at the RH kick panel air suspension switch position in order to avoid unintended air spring inflation or deflation. Climb up the vehicle and secure it properly before extracting the wheel and tire unit followed by removing the differential housing cover and draining the fluid. Start by discarding the lock bolt then pulling out the shaft. After that separate the Brake Calipers from the discs before proceeding with the differential pinion shaft removal. When you detach the U-washers from axle shaft grooves ensure that the rubber O-rings remain protected by sliding the axle shafts inboard. Remove the two axle shafts before finishing by preserving the wheel bearing oil seal from damage. The moment to install involves lubricating the wheel bearing oil seal with Premium Long-Life Grease XG-1-C or equivalent Ford specification ESA-M1C75-B which must be done before placing the two axle shafts in while keeping the wheel bearing oil seal protected from damage. You should place U-washers on the button ends of axle shafts and extend the shafts outward for installation. Install a new pinion shaft lock bolt unless impossible. Then treat threads with Threadlock and Sealer E0AZ-19554-AA or Ford equivalent WSK-M2G351-A5 and position the differential pinion shaft for its case lock bolt hole. Finish the process with a new lock bolt. The next steps include replacing Brake Discs and differential housing cover installations together with specified lubricant addition to the rear axle housing prior to reattaching wheels and lowering the vehicle.