How to install a rear crankshaft seal in a 4.0L SOHC V6 engine on Ford Ranger?

The one-piece rear Crankshaft Seal is pressed into the engine block and the crankcase reinforcement section. Begin by removing the transmission, the clutch components if equipped, and the flywheel. Pry out the old seal using a special seal removal tool or a flat blade screwdriver, taking care not to scratch or damage the crankshaft sealing surface or the bore in the engine block to prevent oil leaks after the new seal is installed. Clean the crankshaft and seal bore thoroughly, degreasing these areas with a rag soaked in lacquer thinner or acetone. Lubricate the lip of the new seal and the outer diameter of the crankshaft with engine oil, ensuring the edges of the new Crankshaft Seal are not rolled over. Position the new seal onto the crankshaft, making sure that if marked, the words THIS SIDE OUT on the seal face outward, toward the rear of the engine. Use a special rear Crankshaft Seal installation tool or a socket with the exact diameter of the seal to drive it in place, ensuring the seal is not offset and is flush along the entire circumference of the seal carrier. The remainder of the installation follows the reverse order of removal.

Genuine Ford Ranger Crankshaft Seal

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16 Crankshaft Seals found

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Ford Ranger Crankshaft Oil Seal Assembly Front
Part Number: CM5Z-6700-E
$13.46 MSRP: $17.50
You Save: $4.04 (24%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil - Front
- Position: Front
- Replaces: 1S7Z-6700-AA, CM5Z-6700-A, 9E5Z-6700-A, CM5Z-6700-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2019-2025 Ford Ranger | 4 Cyl 2.3 L GAS, 4 Cyl 2.3L TIVCT DI TC, 6 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS | 10-Speed Automatic Transmission (10R80), 2 Whl L/H Rear Drive-High Ride, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive
- 2004-2011 Ford Ranger | 4 Cyl 2.3L NA Petrol | 5-Speed Automatic Transmission - 5R44E/5R55E, 5-Speed Manual Transmission - R1HD, 5-Speed Manual Transmission M5R1, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Ranger SEAL ASY - CRANKSHAFT OIL
Part Number: 1S7Z-6A321-B
$88.52 MSRP: $115.17
You Save: $26.65 (24%)
ADD TO CART
Product Specifications
- Other Name: Rear Main Seal, Rear Main Seal Retainer, Rear Seal
- Replaces: 1S7Z-6K301-AA, 1S7Z-6D309-AA, 1S7Z-6K301-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2019-2025 Ford Ranger | 4 Cyl 2.3 L GAS, 4 Cyl 2.3L TIVCT DI TC, 6 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS | 10-Speed Automatic Transmission (10R80), 2 Whl L/H Rear Drive-High Ride, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive
- 2001-2011 Ford Ranger | 4 Cyl 2.3L, 4 Cyl 2.3L NA Petrol, 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 4.0L | 4AT 4R44E, 5-Speed Automatic Transmission - 5R44E/5R55E, 5-Speed Manual Transmission - R1HD, 5-Speed Manual Transmission M5R1, 5AT 5R44E, 5AT 5R55E, 5MT, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Ranger Crankshaft Oil Seal Assembly
Part Number: F37Z-6701-A
$24.45 MSRP: $34.83
You Save: $10.38 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal Assy - Crankshaft Oil
- Replaces: E8DZ-6701-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1991-2008 Ford Ranger | 6 Cyl 3.0L, 6 Cyl 3.0L OHV EFI | 4AT 4R44E, 4AT 4R55E, 4AT A4LD, 5-Speed Automatic Transmission - 5R44E/5R55E, 5-Speed Manual Transmission - R1HD, 5-Speed Manual Transmission M5R1, 5AT 5R44E, 5AT 5R55E, 5MT, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Ranger Crankshaft Oil Seal Assembly
Part Number: F4AZ-6701-A
$33.74 MSRP: $49.33
You Save: $15.59 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal Assy - Crankshaft Oil
- Replaces: F3AZ-6701-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1995-1997 Ford Ranger | 4 Cyl 2.3L | 4AT 4R44E, 4AT 4R55E, 4AT A4LD, 5AT 5R55E, 5MT
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Ford Ranger Seal Assembly - Crankshaft Oil
Part Number: JR3Z-6701-A
$13.34 MSRP: $19.00
You Save: $5.66 (30%)
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Product Specifications
- Other Name: Rear Main Seal, Rear Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2024-2025 Ford Ranger | 4 Cyl 2.3 L GAS, 6 Cyl 2.7 L GAS
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Ford Ranger Crankshaft Oil Seal Assembly Front
Part Number: XW4Z-6700-B
$5.39 MSRP: $7.68
You Save: $2.29 (30%)
ADD TO CART
Product Specifications
- Other Name: Seal Assy - Crankshaft Oil - Front
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2024-2025 Ford Ranger | 4 Cyl 2.3 L GAS, 6 Cyl 2.7 L GAS
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Ford Ranger Crankshaft Oil Seal Retainer
Part Number: 1S7Z-6K301-BA
$78.77 MSRP: $115.17
You Save: $36.40 (32%)
ADD TO CART
Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
- Manufacturer Note: Seal Kit With Installation Tool
- Replaced by: 1S7Z-6A321-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2011 Ford Ranger | 4 Cyl 2.3L NA Petrol | 5-Speed Automatic Transmission - 5R44E/5R55E, 5-Speed Manual Transmission - R1HD, 5-Speed Manual Transmission M5R1, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Ranger Crankshaft Oil Seal Assembly
Part Number: F5TZ-6701-A
$52.62
ADD TO CART
Product Specifications
- Other Name: Seal Assy - Crankshaft Oil
- Replaces: D7RZ-6701-A, F77Z-6701-BA, F77Z-6701-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2011 Ford Ranger | 6 Cyl 4.0L, 6 Cyl 4.0L SOHC EFI | 4AT 4R44E, 5-Speed Automatic Transmission - 5R44E/5R55E, 5-Speed Manual Transmission - R1HD, 5-Speed Manual Transmission M5R1, 5AT 5R44E, 5AT 5R55E, 5MT, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
- 1983-1997 Ford Ranger | 4 Cyl 2.0L, 4 Cyl 2.2L, 4 Cyl 2.3L, 6 Cyl 2.8L, 6 Cyl 2.9L, 6 Cyl 4.0L | 3AT C3, 3AT C5, 4AT 4R44E, 4AT 4R55E, 4AT A4LD, 4MT, 5AT 5R55E, 5MT
View related parts
Ford Ranger Crankshaft Oil Seal Retainer
Part Number: 1S7Z-6K301-AA
$78.77 MSRP: $115.17
You Save: $36.40 (32%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
- Manufacturer Note: Includes Seal
- Replaced by: 1S7Z-6A321-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2019 Ford Ranger | 4 Cyl 2.3L TIVCT DI TC | 10-Speed Automatic Transmission (10R80), 2 Whl L/H Rear Drive-High Ride, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive
- 2001-2010 Ford Ranger | 4 Cyl 2.3L, 4 Cyl 2.3L NA Petrol, 4 Cyl 2.5L, 6 Cyl 3.0L, 6 Cyl 4.0L | 4AT 4R44E, 5-Speed Automatic Transmission - 5R44E/5R55E, 5-Speed Manual Transmission - R1HD, 5-Speed Manual Transmission M5R1, 5AT 5R44E, 5AT 5R55E, 5MT, Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Ford Ranger Crankshaft Oil Seal Retainer
Part Number: JT4Z-6335-C
$36.77 MSRP: $47.83
You Save: $11.06 (24%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: RETAINER - CRANKSHAFT OIL SEAL; Rear Main Seal Retainer
- Replaces: JT4Z-6335-A, JT4Z-6335-B, FT4Z-6335-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2024-2025 Ford Ranger | 4 Cyl 2.3 L GAS, 6 Cyl 2.7 L GAS
View related parts
Ford Ranger Crankshaft Oil Seal Assembly
Part Number: E8DZ-6701-A
$24.45 MSRP: $34.83
You Save: $10.38 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal Assy - Crankshaft Oil
- Replaced by: F37Z-6701-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1991-1992 Ford Ranger | 6 Cyl 3.0L | 4AT A4LD, 5MT
View related parts
Ford Ranger Crankshaft Oil Seal Assembly
Part Number: D7RZ-6701-A
$29.72 MSRP: $42.33
You Save: $12.61 (30%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal Assy - Crankshaft Oil
- Replaced by: F5TZ-6701-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1983-1989 Ford Ranger | 4 Cyl 2.0L, 4 Cyl 2.2L, 4 Cyl 2.3L, 6 Cyl 2.8L, 6 Cyl 2.9L | 3AT C3, 3AT C5, 4AT A4LD, 4MT, 5MT
View related parts
Ford Ranger Crankshaft Oil Seal Assembly
Part Number: F77Z-6701-BA
$29.72 MSRP: $42.33
You Save: $12.61 (30%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal Assy - Crankshaft Oil
- Replaced by: F5TZ-6701-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997 Ford Ranger | 6 Cyl 4.0L | 4AT 4R44E, 5AT 5R55E, 5MT
View related parts
Ford Ranger Crankshaft Oil Seal Assembly
Part Number: E5ZZ-6701-A
Product Specifications
- Other Name: Seal Assy - Crankshaft Oil; Rear Main Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2001 Ford Ranger | 4 Cyl 2.5L | 4AT 4R44E, 5AT 5R44E, 5AT 5R55E, 5MT
- 1983-1994 Ford Ranger | 4 Cyl 2.0L, 4 Cyl 2.2L, 4 Cyl 2.3L, 6 Cyl 2.8L, 6 Cyl 2.9L | 3AT C3, 3AT C5, 4AT A4LD, 4MT, 5MT
View related parts
Ford Ranger Crankshaft Oil Seal Assembly
Part Number: E7AZ-6701-A
Product Specifications
- Other Name: Seal Assy - Crankshaft Oil; Rear Main Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1983-1989 Ford Ranger | 4 Cyl 2.0L, 4 Cyl 2.2L, 4 Cyl 2.3L, 6 Cyl 2.8L, 6 Cyl 2.9L | 3AT C3, 3AT C5, 4AT A4LD, 4MT, 5MT
View related parts
Ford Ranger Crankshaft Oil Seal Assembly
Part Number: E6TZ-6701-A
Product Specifications
- Other Name: Seal Assy - Crankshaft Oil; Rear Main Seal, Rear Seal
- Manufacturer Note: SEAL (CRANKSHAFT REAR)
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1983-1989 Ford Ranger | 4 Cyl 2.0L, 4 Cyl 2.2L, 4 Cyl 2.3L, 6 Cyl 2.8L, 6 Cyl 2.9L | 3AT C3, 3AT C5, 4AT A4LD, 4MT, 5MT

Ford Ranger Crankshaft Seal

The Crankshaft Seal is among the key parts of Ford Ranger vehicles and it is situated at the front of the motor vehicle engine. Cranks and Seals are used variously in mechanical systems, for instance there is such a thing as a Crankshaft Seal in Ford Ranger vehicles which is located at the front of the vehicle engine and provides a barrier to prevent oil leakage from the crankcase. Made of a mixture of metal and rubber, this round seal is an important component when it comes to providing the necessary lubrication to the engine or decreasing friction and consequently wear of the engine's parts. In various years, 7 different types of Crankshaft Seal have been used on the Ford Ranger, mostly varying by material and in one case, design to improve the parts durability and potential performance. A Crankshaft Seal can become worn or damaged and high mileage vehicles are likely to develop oil leakage, hence the need for replacing the to enhance the efficiency of the engine. It is therefore clear that it is very important to perform a routine check up of the Crankshaft Seal of the Ford Ranger to ensure that it is in good working condition to aid the functioning of the Engine.

We provide a wide range of Ford Ranger Crankshaft Seal at the optimal prices. If you need Ford Ranger Crankshaft Seal, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your doorstep with a fast delivery service.

Ford Ranger Crankshaft Seal Parts Questions & Experts Answers

Crankshaft Oil Seal Assembly
F4AZ-6701-A
Q: How to install a rear crankshaft seal in a 4.0L SOHC V6 engine on Ford Ranger?
A:
The one-piece rear Crankshaft Seal is pressed into the engine block and the crankcase reinforcement section. Begin by removing the transmission, the clutch components if equipped, and the flywheel. Pry out the old seal using a special seal removal tool or a flat blade screwdriver, taking care not to scratch or damage the crankshaft sealing surface or the bore in the engine block to prevent oil leaks after the new seal is installed. Clean the crankshaft and seal bore thoroughly, degreasing these areas with a rag soaked in lacquer thinner or acetone. Lubricate the lip of the new seal and the outer diameter of the crankshaft with engine oil, ensuring the edges of the new Crankshaft Seal are not rolled over. Position the new seal onto the crankshaft, making sure that if marked, the words THIS SIDE OUT on the seal face outward, toward the rear of the engine. Use a special rear Crankshaft Seal installation tool or a socket with the exact diameter of the seal to drive it in place, ensuring the seal is not offset and is flush along the entire circumference of the seal carrier. The remainder of the installation follows the reverse order of removal.