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National Oil Seal 2503N Shaft Oil Seal

(Ford Mustang 1979-86, Mustang II 1974, Pinto 1971-80, LTD 1983-86, LTD Crown Victoria 1983-86, Fairmont 1978-83, Granada 1981-82 + 10 more models)

Part of: National Oil Seal Multi-Purpose Shaft Multi Purpose Seal

Other options in this family: National Oil Seal 416267 National Oil Seal 410102 National Oil Seal 200641 National Oil Seal 100557 National Oil Seal 4674N

Manufacturer

Picture for manufacturer National Oil Seal

Part Number

2503N
5 reviews
Sale Price

$6.49

1 left at this price

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Usually delivered within 2 days

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Product Details

The National Oil Seal 2503N is a precision-engineered rotary shaft oil seal designed to prevent lubricant leakage and exclude contaminants from critical sealing surfaces. Manufactured by National, one of the most trusted names in sealing technology, this seal is built to meet or exceed OEM specifications for a reliable, long-lasting fit.

Key Features:

  • Precision-molded sealing lip for consistent contact and effective lubricant retention
  • Durable elastomeric construction designed to withstand heat, pressure, and chemical exposure
  • Metal outer casing for secure press-fit installation and dimensional stability
  • Engineered to OEM specifications for a direct-fit replacement
  • Helps prevent oil leakage and protects bearings and shafts from dirt and moisture intrusion

The National 2503N is part of National's extensive oil seal line, backed by decades of sealing expertise. It is a direct-replacement seal suitable for a wide range of automotive and light-truck applications wherever this seal size is specified.

Products specifications

Fits

Ford Mustang 1979-86, Mustang II 1974, Pinto 1971-80, LTD 1983-86, LTD Crown Victoria 1983-86, Fairmont 1978-83, Granada 1981-82; Mercury Cougar 1981-82, Capri 1970-77, 1979-86, Marquis 1983-86, Bobcat 1975-80, Zephyr 1978-83 + 5 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

Medium Duty Truck

N

Motorcycle ATV

N

Non Vehicle Specific

N

Personal WaterCraft

N

Small Engine

N

SnowMobile

N

Transmission Specific

N

Feature 2

Design Type: Spring Loaded; Single-Lip

Feature 3

Compatible with most oils and EP lubricants at higher operating temperatures

Feature 4

High resistance to oxidation and ozone and has low swell in hydrocarbon fluids

Feature 5

Temperature Range: -20F to 300F; -29C to `49C

Footnote

Clockwise-Spiral Lip Design

Material

Acrylates

Outside Diameter (mm)

40.080

Part Description

Oil Seal

Part Type

Seals

Series

2000

Type

48

WIDTH (MM)

7.820

Housing Bore (Inch)

1.572

Housing Bore (MM)

39.930

Redicoat

Yes

Shaft (Inch)

1.100

Shaft (MM)

27.940

Shaft Size (Inch)

1.1

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