1988 Porsche 911 Differentials

Keep Your 1988 Porsche 911 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1988 Porsche 911 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Seals, Differential 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.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National. For example, National Differentials start at just $22.99 with an average 4.3 star rating. With over 3 reviews and a solid 5 star average, you can shop with confidence knowing other Porsche 911 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1988 Porsche 911 Differential at Advance Auto Parts is around $13.88, with a range that starts at $4.49 and goes up to $27.99. With 6 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Bearing Race, Multi-Purpose Seal, and Shaft Repair Sleeve start at just $4.49 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 Transfer Cases. At Advance Auto Parts, we’re here to help you keep your 1988 Porsche 911 in peak condition, inside and out.

Essential 1988 Porsche 911 Differentials

National – Multi-Purpose Seal (Part No.1012N)

Multi-Purpose Seal

from

$6.49
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:
  • Design type: spring loaded; single-lip
  • Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
  • Good low temperature capability
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
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Driveworks – Camshaft Seal (Part No.S-99139)

Camshaft Seal

from

$23.99
Product Features:
  • Brand may vary by location
See More

National – Shaft Repair Sleeve (Part No.99114)

Shaft Repair Sleeve

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:
  • 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
See More

National – Tapered Roller Bearing Cone (Part No.JLM104948)

Tapered Roller Bearing Cone

from

$24.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

National – Tapered Roller Bearing Cone (Part No.LM806649)

Tapered Roller Bearing Cone

from

$58.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

National – Tapered Roller Bearing Cone (Part No.LM300849)

Tapered Roller Bearing Cone

from

$22.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

National – Tapered Roller Bearing Cone (Part No.LM503349A)

Tapered Roller Bearing Cone

from

$22.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

National – Multi-Purpose Bearing (Part No.30210)

Multi-Purpose Bearing

from

$52.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using high-quality materials for durability and performance
  • OE-STYLE DESIGN: Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

FAG US – Bearing – TRB (Tapered Roller Bearing) (Part No.KT37)

Bearing - TRB (Tapered Roller Bearing)

from

$28.49
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

National – Bearing Race (Part No.LM67010)

Bearing Race

from

$4.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION — Crowned raceways for even load distribution
  • OE-STYLE DESIGN — Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

FAG US – Cup (Part No.LM501310)

Cup

from

$9.99
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

National – Multi-Purpose Bearing (Part No.A-37)

Multi-Purpose Bearing

from

$18.99
Product Features:
  • CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
  • PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN: Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

FAG US – Cup (Part No.LM67010)

Cup

from

$6.69
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

Most Popular Differential Seal for 1988 Porsche 911s

Enhance your 1988 Porsche 911 with this popular Differential Seal we have in stock, for $6.49.

National – Multi-Purpose Seal (Part No.1012N)

Multi-Purpose Seal

from

$6.49
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:
  • Design type: spring loaded; single-lip
  • Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
  • Good low temperature capability
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
See More

Best-Selling 1988 Porsche 911 Differential Bearings

Upgrade your 911 with one of our 4 best-selling Differential Bearings, earning an average 4.5 stars rating across 3 reviews.

National – Tapered Roller Bearing Cone (Part No.LM503349A)

Tapered Roller Bearing Cone

from

$22.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

National – Tapered Roller Bearing Cone (Part No.JLM104948)

Tapered Roller Bearing Cone

from

$24.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

National – Bearing Race (Part No.LM67010)

Bearing Race

from

$4.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION — Crowned raceways for even load distribution
  • OE-STYLE DESIGN — Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

FAG US – Cup (Part No.LM67010)

Cup

from

$6.69
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

Top-Quality Pinion Shaft Seals for 1988 Porsche 911s

Choose a high-quality OEM or aftermarket Pinion Shaft Seal for Porsche 911s and enjoy top-notch performance from $27.99.

National – Shaft Repair Sleeve (Part No.99114)

Shaft Repair Sleeve

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:
  • 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
See More

Top-Rated Differential Brands For Your 1988 Porsche 911

When it comes to finding the perfect Differential for your 1988 Porsche 911, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Differential brands including National, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $22.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1988 Porsche 911, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 1988 Porsche 911 Differentials

If you’re looking for a top-quality Differential for your 1988 Porsche 911, Advance Auto Parts has exactly what you need with our selection of National Differentials. We have 2 National Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $22.99 and an average cost of $23.74, you’ll find the perfect Differential for your needs and budget. National Differentials for the 1988 Porsche 911 come highly rated, with over 3 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Tapered Roller Bearing Cone
from $24.49
(1)
Tapered Roller Bearing Cone
“Fit no issues so far”
Tapered Roller Bearing Cone
from $22.99
(2)
Tapered Roller Bearing Cone
“Good product”

FAQs for 1988 Porsche 911 Differentials

What are the best-selling Differentials for 1988 Porsche 911s?

Out of 6 Differentials that fit 1988 Porsche 911s, the following parts are the top sellers:

What’s the price range for 1988 Porsche 911 Differentials?

The prices of Differentials for the 1988 Porsche 911 range from $4.49 up to $27.99 for the most premium parts.

What is the average price of a Differential for a 1988 Porsche 911?

The average price for Differentials for the 1988 Porsche 911 is $13.88. 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 Porsche 911 model years?

Yes, we carry Differentials for 43 model years of Porsche 911s between 1965 and 2009. The following model years are the most popular for Differential purchases: 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, and 2001.

What are the cheapest Differentials for my 1988 Porsche 911?

The cheapest 1988 Porsche 911 Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1988 Porsche models?

Yes. We stock Differentials for 2 other popular 1988 Porsche models. Some of the most popular are 1988 928 Differentials, 1988 944 Differentials, and 1988 924 Differentials.

What are the top-rated Differentials that fit the 1988 Porsche 911?

The one 1988 Porsche 911 Differential we have in stock is the Bearing Race. It costs $4.49.

What types of Differentials do you sell for my 1988 Porsche 911?

As of 11/2/25, these are some of the most in-demand types of Differentials for a 1988 Porsche 911:

Can I get help with 1988 Porsche 911 Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Porsche Differentials and more.

What is your return policy for Porsche 911 Differentials?

Advance Auto Parts keeps returns simple. For new Porsche 911 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.