2004 Workhorse Fastrack FT1601 Engine Internals

Keep Your 2004 Workhorse Fastrack FT1601 in Top Shape with Quality Engine Internals

Whether you’re repairing or upgrading your Engine Internal, using high-quality parts is key to keeping your 2004 Workhorse Fastrack FT1601 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Crankshaft Seals, Main Bearing Repair Sleeves, and Crankshaft Bolts. 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 Engine Internals from Trusted Brands

Looking for a reliable Engine Internal? We’ve got you covered with options from brands you know and trust like National, FELPRO, and Dorman. For example, National Engine Internals start at just $26.99 with an average 4.3 star rating. FELPRO and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 61 reviews and a solid 5 star average, you can shop with confidence knowing other Workhorse Fastrack FT1601 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2004 Workhorse Fastrack FT1601 Engine Internal at Advance Auto Parts is around $29.99, with a range that starts at $7.99 and goes up to $48.99. With 8 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Engine Crankshaft Seal, Engine Crankshaft Seal, and Multi-Purpose Seal start at just $26.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Internal, don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 2004 Workhorse Fastrack FT1601 in peak condition, inside and out.

Essential 2004 Workhorse Fastrack FT1601 Engine Internals

Dorman – Harmonic Balancer Bolt (Part No.917-139)

Harmonic Balancer Bolt

from

$7.99
This engine harmonic balancer bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine harmonic balancer bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Felpro – Engine Crankshaft Repair Sleeve Tool (Part No.16329)

Engine Crankshaft Repair Sleeve Tool

from

$48.99
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 and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Felpro – Shaft Repair Sleeve (Part No.16228)

Shaft Repair Sleeve

from

$10.49
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:
  • Engine$aver Hardware cost-saving application
  • Repairs worn sealing surfaces to assure a leak free repair
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

National – Engine Crankshaft Seal (Part No.100470)

Engine Crankshaft Seal

from

$29.99
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: -100 Deg. F to 450 Deg. F / -73 Deg. C to 232 Deg.
  • Excellent dry running capabilities
  • Low coefficient of friction
  • Delivers quality and reliable performance for every type of repair
See More

National – Engine Crankshaft Seal (Part No.100085)

Engine Crankshaft Seal

from

$26.99
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: springless; multi-lip
  • Temperature range: -100 Deg. F to 450 Deg. F / -73 Deg. C to 232 Deg.
  • Excellent dry running capabilities
  • Low coefficient of friction
  • Delivers quality and reliable performance for every type of repair
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40656)

Engine Crankshaft Seal Kit

from

$40.99
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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

National – Multi-Purpose Seal (Part No.5512)

Multi-Purpose Seal

from

$31.49
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: springless; multi-lip
  • Temperature range: -100 Deg. F to 450 Deg. F; -73 Deg. C to 232 Deg.C
  • Excellent dry running capabilities
  • Low coefficient of friction
  • Delivers quality and reliable performance for every type of repair
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40640)

Engine Crankshaft Seal Kit

from

$42.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

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

Most Popular Crankshaft Seals for 2004 Workhorse Fastrack FT1601s

Enhance your 2004 Workhorse Fastrack FT1601 with one of the 5 Crankshaft Seals we have in stock, starting at just $26.99.

National – Engine Crankshaft Seal (Part No.100470)

Engine Crankshaft Seal

from

$29.99
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: -100 Deg. F to 450 Deg. F / -73 Deg. C to 232 Deg.
  • Excellent dry running capabilities
  • Low coefficient of friction
  • Delivers quality and reliable performance for every type of repair
See More

National – Engine Crankshaft Seal (Part No.100085)

Engine Crankshaft Seal

from

$26.99
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: springless; multi-lip
  • Temperature range: -100 Deg. F to 450 Deg. F / -73 Deg. C to 232 Deg.
  • Excellent dry running capabilities
  • Low coefficient of friction
  • Delivers quality and reliable performance for every type of repair
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40640)

Engine Crankshaft Seal Kit

from

$42.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

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

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40656)

Engine Crankshaft Seal Kit

from

$40.99
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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

National – Multi-Purpose Seal (Part No.5512)

Multi-Purpose Seal

from

$31.49
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: springless; multi-lip
  • Temperature range: -100 Deg. F to 450 Deg. F; -73 Deg. C to 232 Deg.C
  • Excellent dry running capabilities
  • Low coefficient of friction
  • Delivers quality and reliable performance for every type of repair
See More

Best-Selling 2004 Workhorse Fastrack FT1601 Main Bearing Repair Sleeves

Upgrade your Fastrack FT1601 with one of our 2 best-selling Main Bearing Repair Sleeves.

Felpro – Engine Crankshaft Repair Sleeve Tool (Part No.16329)

Engine Crankshaft Repair Sleeve Tool

from

$48.99
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 and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Felpro – Shaft Repair Sleeve (Part No.16228)

Shaft Repair Sleeve

from

$10.49
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:
  • Engine$aver Hardware cost-saving application
  • Repairs worn sealing surfaces to assure a leak free repair
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Top-Quality Crankshaft Bolts for 2004 Workhorse Fastrack FT1601s

Choose a high-quality OEM or aftermarket Crankshaft Bolt for Workhorse Fastrack FT1601s and enjoy top-notch performance from $7.99.

Dorman – Harmonic Balancer Bolt (Part No.917-139)

Harmonic Balancer Bolt

from

$7.99
This engine harmonic balancer bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine harmonic balancer bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Top-Rated Engine Internal Brands For Your 2004 Workhorse Fastrack FT1601

When it comes to finding the perfect Engine Internal for your 2004 Workhorse Fastrack FT1601, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Engine Internal brands including FELPRO, National, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $7.99. Purchasing a Engine Internal from us here at Advance Auto Parts is a smart move for both you and your 2004 Workhorse Fastrack FT1601, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 2004 Workhorse Fastrack FT1601 Engine Internals

If you’re looking for a top-quality Engine Internal for your 2004 Workhorse Fastrack FT1601, Advance Auto Parts has exactly what you need with our selection of FELPRO Engine Internals. We have 2 FELPRO Engine Internals in stock for this fitment, all known for their durability and precision fit. With prices starting at just $40.99 and an average cost of $41.99, you’ll find the perfect Engine Internal for your needs and budget. FELPRO Engine Internals for the 2004 Workhorse Fastrack FT1601 come highly rated, with over 39 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Engine Internal from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Engine Crankshaft Seal Kit
from $42.99
(31)
Engine Crankshaft Seal Kit
“Fits as it should”
Engine Crankshaft Seal Kit
from $40.99
(8)
Engine Crankshaft Seal Kit
“Great part great price”

Top-Quality National 2004 Workhorse Fastrack FT1601 Engine Internals

For those in search of a high-quality Engine Internal for their 2004 Workhorse Fastrack FT1601, Advance Auto Parts offers a great selection of National Engine Internals. With 2 National Engine Internals in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Internals start at just $26.99, with an average price of $28.49, giving you a range of options to suit your budget. Backed by over 14 customer ratings and an average rating of 4.3 stars, National Engine Internals provide both reliability and excellent performance. Choosing a National Engine Internal from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Engine Crankshaft Seal
from $26.99
(7)
Engine Crankshaft Seal
“Worked outgreat for me. Was exact fit a d appeared to be equivalent quality of a OEM. Satisfied”
Engine Crankshaft Seal
from $29.99
(7)
Engine Crankshaft Seal
“This picture may be deceiving! This seal looks lovely led exact match.”

FAQs for 2004 Workhorse Fastrack FT1601 Engine Internals

What are the best-selling Engine Internals for 2004 Workhorse Fastrack FT1601s?

Out of 8 Engine Internals that fit 2004 Workhorse Fastrack FT1601s, the following parts are the top sellers:

What’s the price range for 2004 Workhorse Fastrack FT1601 Engine Internals?

The prices of Engine Internals for the 2004 Workhorse Fastrack FT1601 range from $7.99 up to $48.99 for the most premium parts.

What is the average price of an Engine Internal for a 2004 Workhorse Fastrack FT1601?

The average price for Engine Internals for the 2004 Workhorse Fastrack FT1601 is $29.99. Keep in mind the variety of part types within our Engine Internal category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Internals for other Workhorse Fastrack FT1601 model years?

Yes, we carry Engine Internals for 2 model years of Workhorse Fastrack FT1601s between 2002 and 2005. The following model years are the most popular for Engine Internal purchases: 2005, 2003, and 2002.

What are the cheapest Engine Internals for my 2004 Workhorse Fastrack FT1601?

The cheapest 2004 Workhorse Fastrack FT1601 Engine Internals we carry are:

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

Yes. We stock Engine Internals for 6 other popular 2004 Workhorse models. Some of the most popular are 2004 P30 Engine Internals, 2004 Fastrack FT1461 Engine Internals, 2004 Fastrack FT1061 Engine Internals, 2004 Fastrack FT1261 Engine Internals, and 2004 Fastrack FT1801 Engine Internals.

What are the top-rated Engine Internals that fit the 2004 Workhorse Fastrack FT1601?

Based on 61 reviews by customers, our 2004 Workhorse Fastrack FT1601 Engine Internals have an average customer rating of 5 stars. These are the highest-rated categories of Engine Internals for the 2004 Workhorse Fastrack FT1601 and their top-rated products:

What types of Engine Internals do you sell for my 2004 Workhorse Fastrack FT1601?

As of 11/2/25, these are some of the most in-demand types of Engine Internals for a 2004 Workhorse Fastrack FT1601:

Can I get help with 2004 Workhorse Fastrack FT1601 Engine Internal orders?

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

What is your return policy for Workhorse Fastrack FT1601 Engine Internals?

Advance Auto Parts keeps returns simple. For new Workhorse Fastrack FT1601 Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.