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National Oil Seal 4250 Wheel Seal

(Ford F-150 1976-95, Ranger 1990-97, Explorer 1991-94, F-250 1964-94, Bronco 1969-95, F-100 1973-76, F-250 Pickup 1964-74, E-150 1975-79 + 41 more models)

Manufacturer

Picture for manufacturer National Oil Seal

Part Number

4250
15 reviews
Sale Price

$6.58

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The National Oil Seal 4250 is a premium nitrile rubber wheel seal designed to provide reliable protection against fluid leakage in automotive and light truck applications. This spring-loaded, multi-lip seal features National's proven bi-directional lip design for superior sealing performance in demanding conditions.

Key Specifications:

  • Inner Diameter (Shaft): 2.500 inches (63.5mm)
  • Outer Diameter (Housing Bore): 3.303 inches (83.9mm)
  • Seal Width: 0.465 inches (11.81mm)
  • Flanged Outer Diameter: 3.600 inches (91.44mm)
  • Material: Nitrile rubber (NBR) construction
  • Design Type: Type 74, Series 4000

Features and Benefits:

  • Redicoat surface treatment for enhanced corrosion protection
  • Bi-directional helix lip design prevents leakage in both directions
  • Spring-loaded multi-lip configuration ensures consistent sealing pressure
  • Temperature range: -40°F to 225°F (-40°C to 107°C)
  • Low swell characteristics in hydrocarbon fluids
  • Precision-engineered to meet or exceed OEM specifications

National Oil Seals has delivered premium sealing solutions for over 75 years, earning a reputation as one of the most trusted names in the automotive aftermarket. Each seal is manufactured to exacting standards to ensure reliable, long-lasting performance.

Products specifications

Fits

Ford F-150 1976-95, Ranger 1990-97, Explorer 1991-94, F-250 1964-94, Bronco 1969-95, F-100 1973-76, F-250 Pickup 1964-74, E-150 1975-79, Bronco II 1990, E-250 1975-79, E-150 Econoline 1975-79, F100 Pickup 1973-74 + 37 more models

Agricultural Equipment

N

Application Specific

Y

Car Light Truck

N

Engine Specific

N

Freight Class

60

Heavy Duty Truck

N

High Performance

Y

Industrial Off Highway Equipment

N

Marine

N

Material

Nitrile

Medium Duty Truck

N

Motorcycle ATV

N

Non Vehicle Specific

N

Personal WaterCraft

N

Small Engine

N

SnowMobile

N

Transmission Specific

N

Width (inch)

0.465

Feature 2

Design Type: Spring Loaded; Multi-Lip

Feature 3

Provides good low temperature capability

Feature 4

Low swell in hydrocarbon fluids

Feature 5

Temperature Range: -40F to 225F; -40C to 107C

Footnote

Bi-Directional Lip Design

Outside Diameter (mm)

84

Part Description

Oil Seal

Part Type

Seals

Series

4000

Type

74

WIDTH (MM)

11.810

Housing Bore (Inch)

3.303

Housing Bore (MM)

83.900

Outer Diameter (Inch)

3.305

Redicoat

Yes

Shaft (MM)

63.500

Overall it turned out good .

Great value, great service! I will continue to purchase auto parts through your website.

easy way to order and great price!

Easy...great web site!

fast and efficient.

All good

.

thank you for your assistance

Good

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