My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

National Oil Seal 475322N Multi-Purpose SP Oil Seal 2.750" ID x 3.548" OD

(1975-1976 Ford F-500; 1974 Ford M-450)

Manufacturer

Picture for manufacturer National Oil Seal

Part Number

475322N
4 reviews
Sale Price

$23.19

In Stock (6)

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The National Oil Seal 475322N is a spring-loaded, multi-lip SP oil seal engineered for demanding sealing applications. Built to National's industry-leading standards, this Type 47 polyacrylate seal delivers reliable performance across a wide range of operating environments, resisting EP lubricants, hydrocarbon fluids, oxidation, and ozone.

Key Specifications:

  • Inside Diameter (Shaft Diameter): 2.750 in (69.850 mm)
  • Outside Diameter: 3.548 in (90.120 mm)
  • Width / Thickness: 0.500 in (12.700 mm)
  • Seal Type: Type 47 — Spring-Loaded, Multi-Lip
  • Material: Polyacrylate
  • Temperature Range: -20°F to 300°F (-29°C to 149°C)

Key Features:

  • Spring-loaded multi-lip design for consistent sealing pressure and reduced leakage
  • Polyacrylate construction provides high resistance to EP lubricants and hydrocarbon-based fluids
  • Low swell in hydrocarbon fluids helps maintain dimensional integrity over time
  • High resistance to oxidation and ozone for extended service life
  • Compatible with most oils and EP lubricants at elevated operating temperatures

National, a brand of Federal-Mogul / DRiV, has been a trusted name in premium sealing solutions for over 75 years. The 475322N is a quality replacement seal suitable for transmission input shaft and other rotating shaft applications in heavy-duty and light truck platforms.

Products specifications

Fits

1975-1976 Ford F-500; 1974 Ford M-450

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; Multi-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

Zero Duplication Part

Material

Acrylates

Outside Diameter (Inch)

3.546

Outside Diameter (mm)

90.120

Part Description

Oil Seal

Part Type

Seals

Series

470000

Type

47

WIDTH (MM)

12.7

Housing Bore (MM)

90.000

Redicoat

Yes

Shaft (MM)

69.850

Shaft Size (Inch)

2.748

First of all, I can not believe how fast I recieved my order, 2 DAYS! Best of all, the instructions made it easy for a non mechanic like me to install.

so far not to bad ,except i don't like surveys ,how am i supposed to judge your service when i haven't even finished checkout or received my item yet ?

fast shipment and was exactly what i had ordered

Great Communication and instant shipping. Well done!

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy