1977 Fiat 128 Differentials
Keep Your 1977 Fiat 128 in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1977 Fiat 128 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Pilot Bearings and Pinion Shaft Seals. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 1977 Fiat 128 Differential at Advance Auto Parts is around $32.99, with a range that starts at $27.99 and goes up to $37.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Shaft Repair Sleeve start at just $27.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Differential, don’t forget to check out other key components like CV Axles and Joints and Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1977 Fiat 128 in peak condition, inside and out.
Find Your Specific 1977 Fiat 128 Differentials
Looking for the perfect Differential for your 1977 Fiat 128? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Fiat 128. Whether you’re driving a 1977 model or another popular model year like
1971,
1972,
1973,
1974,
1975,
1976,
1978, and
1979, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.
Essential 1977 Fiat 128 Differentials
National – Shaft Repair Sleeve (Part No.99157)
from
$37.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
National – Shaft Repair Sleeve (Part No.99114)
from
$27.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
Popular 1977 Fiat 128 Differentials Categories
Most Popular Differential Pinion Pilot Bearing for 1977 Fiat 128s
Enhance your 1977 Fiat 128 with this popular Differential Pinion Pilot Bearing we have in stock, for $37.99.
National – Shaft Repair Sleeve (Part No.99157)
from
$37.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
Best-Selling 1977 Fiat 128 Pinion Shaft Seal
Upgrade your 128 with our best-selling Pinion Shaft Seal.
National – Shaft Repair Sleeve (Part No.99114)
from
$27.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
FAQs for 1977 Fiat 128 Differentials
What are the best-selling Differentials for 1977 Fiat 128s?
Out of 2 Differentials that fit 1977 Fiat 128s, the following parts are the top sellers:
- Shaft Repair Sleeve (18445079) – $27.99
What’s the price range for 1977 Fiat 128 Differentials?
The prices of Differentials for the 1977 Fiat 128 range from $27.99 up to $37.99 for the most premium parts.
What is the average price of a Differential for a 1977 Fiat 128?
The average price for Differentials for the 1977 Fiat 128 is $32.99. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Differentials for other Fiat 128 model years?
What are the cheapest Differentials for my 1977 Fiat 128?
The cheapest 1977 Fiat 128 Differentials we carry are:
- Shaft Repair Sleeve (18445079) – $27.99
- Shaft Repair Sleeve (18445098) – $37.99
Does Advance Auto Parts sell Differentials for any other 1977 Fiat models?
Yes. We stock Differentials for 2 other popular 1977 Fiat models. Some of the most popular are 1977 124 Differentials, 1977 X-1/9 Differentials, and 1977 131 Differentials.
What are the top-rated Differentials that fit the 1977 Fiat 128?
The one 1977 Fiat 128 Differential we have in stock is the Shaft Repair Sleeve. It costs $27.99.
What types of Differentials do you sell for my 1977 Fiat 128?
As of 11/2/25, these are some of the most in-demand types of Differentials for a 1977 Fiat 128:
Can I get help with 1977 Fiat 128 Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Fiat Differentials and more.
What is your return policy for Fiat 128 Differentials?
Advance Auto Parts keeps returns simple. For new Fiat 128 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.