Whats the id and od for this?

Thank you for your inquiry. The National Pinion Seal 4278 fits a shaft diameter of 1.812" and the seal OD is 3.096"

Does this fit a 1968 ford 8 inch? Thanks

Thank you for the question. Sorry, the National 4278 is not cataloged for this year model vehicle. Additional vehicle information is needed. Please follow catalog listings including fitment notes to determine correct application.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

National 4278 Differential Pinion Seal

Product ID: 398959733

Details

Brand
NATIONAL
Item weight
0.02 Pounds
Liquid volume
946
Material
Package information
Bottle

💧Compatible with diverse fluids

🔥Withstands up to 400°F

🛠️Spring-loaded multi-lip design

228 Lei

Duties & taxes included

In stock

Sold byAmazon RomaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Romania.

Secure transaction

Description

🔥 Seal the deal with National’s high-temp, high-performance pinion seal!

TRUSTED INDUSTRY LEGACY - Backed by 75+ years of premium sealing innovation.
UNMATCHED HEAT RESISTANCE - Performs flawlessly from -40°F to 400°F, no sweat.
FLUOROELASTOMER DURABILITY - Engineered for longevity and superior chemical resistance.
PRECISION SPRING LOADED SEAL - Multi-lip design ensures a tight, leak-proof fit every time.
VERSATILE FLUID COMPATIBILITY - Seals confidently across a wide range of automotive fluids.

The National 4278 Differential Pinion Seal features a spring-loaded multi-lip design crafted from durable fluoroelastomer, delivering reliable sealing performance across a broad temperature range (-40°F to 400°F). Trusted for over 75 years, it offers exceptional compatibility with various automotive fluids, ensuring long-lasting protection for your vehicle’s differential.

Specifications

ASIN	B000C5J0U4
Brand Name	NATIONAL
Container Type	Bottle
Country of Origin	Mexico
Customer Reviews	4.5 4.5 out of 5 stars (204)
Global Trade Identification Number	00724956125289
Included Components	Multi Purpose Seal
Item Form	Grease
Item Weight	0.02 Pounds
Liquid Volume	946 Milliliters
Manufacturer	Federal Mogul
Material	Fluoroelastomer
Model Number	4278
Number of Items	1
Part Number	4278
Recommended Uses For Product	Automotive
Specific Uses For Product	Automotive differentials
UPC	724956125289
Unit Count	1 Count
Upper Temperature Rating	400 Degrees Fahrenheit

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

228 Lei

Duties & taxes included

In stock

Sold byAmazon RomaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Romania.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

View all Trustpilot reviews