2004 Workhorse P30 Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 2004 Workhorse P30 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 2004 Workhorse P30 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rear Housing Cover Gaskets, Differential Pinion Seals, and Differential Covers. 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, Driveworks, and Felpro. For example, National Differentials start at just $23.99 with an average 4.3 star rating. Driveworks and Felpro offer similar pricing and quality, backed by strong customer feedback. With over 40 reviews and a solid 4 star average, you can shop with confidence knowing other Workhorse P30 owners approve.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Transfer Cases and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 2004 Workhorse P30 in peak condition, inside and out.

Find Your Specific 2004 Workhorse P30 Differentials

Looking for the perfect Differential for your 2004 Workhorse P30? 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 Workhorse P30. Whether you’re driving a 2004 model or another popular model year like 2000, 2001, 2002, 2003, and 2005, 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 2004 Workhorse P30 Differentials

National – Tapered Roller Bearing Cone (Part No.M802048)

Tapered Roller Bearing Cone

from

$25.99
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

(7 reviews)
View Product

National – Bearing Race (Part No.HM903210)

Bearing Race

from

$28.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

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
View Product

Motive Gear – Differential Carrier Gear Kit (Part No.707280XR)

Differential Carrier Gear Kit

from

$172.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More
View Product

Motive Gear – Open Differential Internal Kit (Part No.706058XR)

Open Differential Internal Kit

from

$138.99


Product Features:
  • KIT – INT. DANA 70 OPEN 35 SPL.
See More
View Product

Schaeffler – Bearing – TRB (Tapered Roller Bearing) (Part No.KT45)

Bearing - TRB (Tapered Roller Bearing)

from

$21.99
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
View Product

Spicer – Differential End Yoke (Part No.3-4-11081-1X)

Differential End Yoke

from

$243.99
Demand genuine Spicer. Dana design, engineering, testing and manufacturing processes all work in conjunction with one another to ensure unparalleled performance that non-genuine parts simply cannot deliver.

Product Features:
  • Genuine OE quality. Tested and proven.
  • Built to meet OE standards set by Dana
  • Tested and validated to rigorous OE specifications
  • Latest production upgrades ensure genuine Spicer parts are as good or better than the OE parts they replace
See More
View Product

Dorman – Differential Pinion Yoke Assembly (Part No.697-545)

Differential Pinion Yoke Assembly

from

$266.99
Worn or damaged differential end yoke causing driveline vibrations- This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.

Product Features:
  • Direct replacement – this differential end yoke matches the fit and construction of the original yoke
  • Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts
  • Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
  • Validated fit – this differential end yoke has been tested to confirm accurate fit
See More
View Product

Felpro – Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (Part No.RDS 55063)

Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket

from

$8.29
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

(13 reviews)
View Product

National – Tapered Roller Bearing Cone (Part No.LM501349)

Tapered Roller Bearing Cone

from

$21.99
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

(2 reviews)
View Product

National – Tapered Roller Bearing Cone (Part No.387AS)

Tapered Roller Bearing Cone

from

$23.99
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

(7 reviews)
View Product

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

Taper Bearing Cone

from

$10.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

(3 reviews)
View Product

Motive Gear – Differential Pinion Seal (Part No.4525V)

Differential Pinion Seal

from

$27.49
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More
View Product

Motive Gear – Differential Pinion Seal (Part No.9316)

Differential Pinion Seal

from

$16.49
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More
View Product

National – Multi-Purpose Seal (Part No.710508)

Multi-Purpose Seal

from

$28.99
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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
  • Excellent high temperature capabilities
  • Compatible with wide range of fluids
  • Delivers quality and reliable performance for every type of repair
See More

(5 reviews)
View Product

Motive Gear – Differential Gear Install Kit (Part No.D80IK)

Differential Gear Install Kit

from

$143.99


Product Features:
  • MINI INSTALL KIT DANA 80
See More
View Product

National – Multi-Purpose Bearing (Part No.R-1581-TV)

Multi-Purpose Bearing

from

$33.99
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
  • STRONG AND DURABLE — Controlled heat treatment process for strength and durability
  • 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
View Product

National – Shaft Repair Sleeve (Part No.99199)

Shaft Repair Sleeve

from

$41.99
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

(1 reviews)
View Product

Most Popular Rear Housing Cover Gasket for 2004 Workhorse P30s

Enhance your 2004 Workhorse P30 with this popular Rear Housing Cover Gasket we have in stock, for $8.29.
show more show less

Felpro – Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket (Part No.RDS 55063)

Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket

from

$8.29
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

(13 reviews)
View Product

Best-Selling 2004 Workhorse P30 Differential Pinion Seals

Upgrade your P30 with one of our 3 best-selling Differential Pinion Seals, earning an average 4 stars rating across 5 reviews.
show more show less

National – Multi-Purpose Seal (Part No.710508)

Multi-Purpose Seal

from

$28.99
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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
  • Excellent high temperature capabilities
  • Compatible with wide range of fluids
  • Delivers quality and reliable performance for every type of repair
See More

(5 reviews)
View Product

Motive Gear – Differential Pinion Seal (Part No.4525V)

Differential Pinion Seal

from

$27.49
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More
View Product

Spicer – Differential Pinion Seal (Part No.2011840)

Differential Pinion Seal

from

$32.99
Genuine Spicer light vehicle axle products are manufactured to the same high standards as original equipment (OE) parts because they are OE parts. That means when an automotive axle part is replaced with a genuine Spicer part, you are getting the same performance and reliability you have come to expect. And because Dana is constantly revolutionizing the technology behind its Dana axles and Spicer products, the replacement car axle or component you purchase today may even exceed the standards set for the original equipment part that you are replacing.

Product Features:
  • Genuine OE quality. Tested and proven.
  • Built to meet OE standards set by Dana.
  • Tested and validated to rigorous OE specifications.
  • Latest production upgrades ensure genuine Spicer parts are as good or better than the OE parts they replace.
See More
View Product

Top-Quality Differential Covers for 2004 Workhorse P30s

Choose a high-quality OEM or aftermarket Differential Cover for Workhorse P30s and enjoy top-notch performance from $127.99.
show more show less

Spicer – Differential Cover; Dana 80; Stamped Steel (Part No.707231X)

Differential Cover; Dana 80; Stamped Steel

from

$127.99
Demand genuine Spicer. Dana design, engineering, testing and manufacturing processes all work in conjunction with one another to ensure unparalleled performance that non-genuine parts simply cannot deliver.

Product Features:
  • Genuine OE quality. Tested and proven.
  • Built to meet OE standards set by Dana.
  • Tested and validated to rigorous OE specifications.
  • Latest production upgrades ensure genuine Spicer parts are as good or better than the OE parts they replace.
See More
View Product

Top Picks for 2004 Workhorse P30 Differential Bearings

Invest in one of our 3 durable Differential Bearings for your 2004 Workhorse, knowing you’re getting trusted brands and expert craftsmanship.
show more show less

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

Taper Bearing Cone

from

$10.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

(3 reviews)
View Product

National – Tapered Roller Bearing Cone (Part No.387AS)

Tapered Roller Bearing Cone

from

$23.99
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

(7 reviews)
View Product

National – Tapered Roller Bearing Cone (Part No.LM501349)

Tapered Roller Bearing Cone

from

$21.99
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

(2 reviews)
View Product

Our Rear Differential Cover Gaskets for 2004 Workhorse P30s

Make a smart move for your 2004 Workhorse P30 with our Rear Differential Cover Gasket for $30.99.
show more show less

Spicer – Performance Differential Gasket – Dana 80 (Part No.RD51997)

Performance Differential Gasket - Dana 80

from

$30.99
Spicer performance differential cover gaskets offer all-makes coverage for street, strip, drag, and off-road applications. These gaskets are reusable offering a clean release during replacement. Built with a mechanically and chemically bonder woven steel.

Product Features:
  • Made to adhere without messy RTV sealant This saves on install time by eliminating the time needed for RTV cure.
  • Provides no re-torque design with maximum compression and sealing.
  • Manufactured with proprietary high-density performance material.
  • Made in the USA.
See More
View Product

Top-Rated Differential Brands For Your 2004 Workhorse P30

When it comes to finding the perfect Differential for your 2004 Workhorse P30, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 6 trusted brands. We carry the most popular Differential brands including Felpro, National, and Driveworks, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $8.29. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 2004 Workhorse P30, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 2004 Workhorse P30 Differentials

If you’re looking for a top-quality Differential for your 2004 Workhorse P30, Advance Auto Parts has exactly what you need with our selection of Felpro Differentials. We have 1 Felpro Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $8.29, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 2004 Workhorse P30 come highly rated, with over 13 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket
from $8.29
(13)
Axle Housing Cover Gasket: Irregular Shaped 14 Bolt Hole Gasket
“works good”

Top-Quality National 2004 Workhorse P30 Differentials

For those in search of a high-quality Differential for their 2004 Workhorse P30, Advance Auto Parts offers a great selection of National Differentials. With 3 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $23.99, with an average price of $30.66, giving you a range of options to suit your budget. Backed by over 15 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Tapered Roller Bearing Cone
from $25.99
(7)
Tapered Roller Bearing Cone
“Good price”
Shaft Repair Sleeve
from $41.99
(1)
Shaft Repair Sleeve
“Very delicate piece, but came shipped quite safely and not damaged. High quality.”
Tapered Roller Bearing Cone
from $23.99
(7)
Tapered Roller Bearing Cone
“Good bearings ,fit my rear hubs on 02 Chevy k 2500hd perfectly .I have used these bearings and seals many times over the years. They come with a 3 yea”

FAQs for 2004 Workhorse P30 Differentials

What are the best-selling Differentials for 2004 Workhorse P30s?

Out of 23 Differentials that fit 2004 Workhorse P30s, the following parts are the top sellers:

What’s the price range for 2004 Workhorse P30 Differentials?

The prices of Differentials for the 2004 Workhorse P30 range from $8.29 up to $243.99 for the most premium parts.

What is the average price of a Differential for a 2004 Workhorse P30?

The average price for Differentials for the 2004 Workhorse P30 is $55.63. 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 Workhorse P30 model years?

Yes, we carry Differentials for 4 model years of Workhorse P30s between 2000 and 2005. The following model years are the most popular for Differential purchases: 2005, 2003, 2002, 2001, and 2000.

What are the cheapest Differentials for my 2004 Workhorse P30?

The cheapest 2004 Workhorse P30 Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 2004 Workhorse models?

Yes. We stock Differentials for 6 other popular 2004 Workhorse models. Some of the most popular are 2004 Fastrack FT1461 Differentials, 2004 Fastrack FT1061 Differentials, 2004 Fastrack FT1601 Differentials, 2004 Fastrack FT1801 Differentials, and 2004 P42 Differentials.

What are the top-rated Differentials that fit the 2004 Workhorse P30?

Based on 40 reviews by customers, our 2004 Workhorse P30 Differentials have an average customer rating of 4 stars. These are the highest-rated categories of Differentials for the 2004 Workhorse P30 and their top-rated products:

What types of Differentials do you sell for my 2004 Workhorse P30?

As of 6/2/26, these are some of the most in-demand types of Differentials for a 2004 Workhorse P30:

Can I get help with 2004 Workhorse P30 Differential orders?

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

What is your return policy for Workhorse P30 Differentials?

Advance Auto Parts keeps returns simple. For new Workhorse P30 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

More Popular Parts for All Makes