1991 GMC B6000 Engine Internals
Keep Your 1991 GMC B6000 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 1991 GMC B6000 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Standard Rod Bearing Sets, Standard Individual Rod Bearings, and Main Bearing Repair Sleeves. 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 Sealed Power. For example, Sealed Power Engine Internals start at just $66.99 with an average 4.3 star rating. With over 2 reviews and a solid 5 star average, you can shop with confidence knowing other GMC B6000 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1991 GMC B6000 Engine Internal at Advance Auto Parts is around $45.41, with a range that starts at $1.79 and goes up to $93.99. With 20 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Engine Connecting Rod Bearing, Engine Connecting Rod Bearing, and Engine Crankshaft Main Bearing Set start at just $7.99 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 1991 GMC B6000 in peak condition, inside and out.
Find Your Specific 1991 GMC B6000 Engine Internals
Looking for the perfect Engine Internal for your 1991 GMC B6000? You’re in the right place. Below, you’ll find links to various types of Engine Internals that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Internals, ensuring durability and a precise fit for your GMC B6000. Whether you’re driving a 1991 model or another popular model year like
1982,
1983,
1984,
1985,
1986,
1987,
1988,
1989, and
1990, we’ve got you covered. Purchasing Engine Internals 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 Engine Internals that fit your vehicle.
Essential 1991 GMC B6000 Engine Internals
Sealed Power – Engine Piston Set (Part No.H811CP 40)
from
$49.49
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Helps improve cylinder sealing for less blow-by
- Retains standard ring gaps in top groove
- DUROSHIELD« skirt-coated piston
- Moly-graphite coating extends engine life
- Reduces friction for higher fuel economy
- Prevents damage from inadequate lubrication on start-up
Sealed Power – Engine Piston Set (Part No.H580CP 30)
from
$36.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Helps improve cylinder sealing for less blow-by
- Retains standard ring gaps in top groove
- DUROSHIELD« skirt-coated piston
- Moly-graphite coating extends engine life
- Reduces friction for higher fuel economy
- Prevents damage from inadequate lubrication on start-up
Sealed Power – Engine Piston Set (Part No.H604CP 40)
from
$60.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Helps improve cylinder sealing for less blow-by
- Retains standard ring gaps in top groove
- DUROSHIELD« skirt-coated piston
- Moly-graphite coating extends engine life
- Reduces friction for higher fuel economy
- Prevents damage from inadequate lubrication on start-up
Sealed Power – Engine Piston Set (Part No.H604CP 60)
from
$60.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Helps improve cylinder sealing for less blow-by
- Retains standard ring gaps in top groove
- DUROSHIELD« skirt-coated piston
- Moly-graphite coating extends engine life
- Reduces friction for higher fuel economy
- Prevents damage from inadequate lubrication on start-up
Sealed Power – Engine Connecting Rod Bearing (Part No.2555A 30)
from
$7.29
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3190A 10)
from
$8.29
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3190A 20)
from
$9.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3190A)
from
$7.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7122MA 30)
from
$64.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Oversize flange
- Meets or exceeds OEM specifications
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4400MA 40)
from
$70.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Reduces dramatically or eliminates bearing wear
- Exacting tolerances
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4400MA 20)
from
$77.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Reduces dramatically or eliminates bearing wear
- Exacting tolerances
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4663M 40)
from
$55.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4663M 20)
from
$60.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Felpro – Engine Crankshaft Repair Sleeve Tool (Part No.16316)
from
$52.99
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:
See More
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
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555A 20)
from
$78.99
Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555A 10)
from
$157.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555A 60)
from
$143.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555A 20X2)
from
$74.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- Additional oversize OD allows for cost-effective reconditioning
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3190A)
from
$66.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555A 1)
from
$81.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555A)
from
$78.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Dorman – Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In., Ford (sold by each) (Part No.635-002)
from
$1.79
This engine connecting rod nut 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:
See More
Product Features:
- Direct replacement – this engine connecting rod nut matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this nut 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
Popular 1991 GMC B6000 Engine Internals Categories
Most Popular Standard Rod Bearing Sets for 1991 GMC B6000s
Enhance your 1991 GMC B6000 with one of the 6 Standard Rod Bearing Sets we have in stock, starting at just $40.49.
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3190A)
from
$66.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3190A 1)
from
$42.49
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3190A 10)
from
$42.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3190A 20)
from
$42.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3190A 30)
from
$40.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3190A 40)
from
$40.49
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Best-Selling 1991 GMC B6000 Standard Individual Rod Bearings
Upgrade your B6000 with one of our 4 best-selling Standard Individual Rod Bearings.
Sealed Power – Engine Connecting Rod Bearing (Part No.3190A 10)
from
$8.29
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3190A)
from
$7.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3190A 20)
from
$9.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3190A 30)
from
$8.49
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Dramatically reduces or eliminates bearing wear
- Made with silicon to provide greater surface hardness
- Silicon particles help polish crankshaft journal to further reduce wear during operation
- Utilizes ISO & QS certified manufacturing
Top-Quality Main Bearing Repair Sleeves for 1991 GMC B6000s
Choose a high-quality OEM or aftermarket Main Bearing Repair Sleef for GMC B6000s and enjoy top-notch performance from $52.99.
Felpro – Engine Crankshaft Repair Sleeve Tool (Part No.16316)
from
$52.99
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:
See More
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
Our Top Pick for a 1991 GMC B6000 Connecting Rod Bolts and Nut
Invest in a
durable Connecting Rod Bolts and Nut for your 1991 GMC, knowing you’re getting trusted brands and expert craftsmanship.
Dorman – Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In., Ford (sold by each) (Part No.635-002)
from
$1.79
This engine connecting rod nut 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:
See More
Product Features:
- Direct replacement – this engine connecting rod nut matches the fit and function of the factory part on specified years, makes and models
- Ideal solution – this nut 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
Top-Rated Oversized Main Bearings for 1991 GMC B6000s
Make a smart move for your 1991 GMC B6000 with products all priced from $64.99 to $93.99.
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4400MA)
from
$91.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Reduces dramatically or eliminates bearing wear
- Exacting tolerances
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4400MA 10)
from
$93.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Reduces dramatically or eliminates bearing wear
- Exacting tolerances
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4400MA 30)
from
$70.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Reduces dramatically or eliminates bearing wear
- Exacting tolerances
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4400MA 20)
from
$77.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Reduces dramatically or eliminates bearing wear
- Exacting tolerances
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4400MA 40)
from
$70.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Reduces dramatically or eliminates bearing wear
- Exacting tolerances
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7122MA 10)
from
$64.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Oversize flange
- Meets or exceeds OEM specifications
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7122MA 30)
from
$64.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
Product Features:
See More
Product Features:
- A-Series bi-metal aluminum alloy
- Greater seizure resistance than tri-metal material
- Oversize flange
- Meets or exceeds OEM specifications
- Meets or exceeds OEM specifications
- Made with silicon to provide greater surface hardness
Top-Rated Engine Internal Brands For Your 1991 GMC B6000
When it comes to finding the perfect Engine Internal for your 1991 GMC B6000, 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 Sealed Power, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $66.99. Purchasing a Engine Internal from us here at Advance Auto Parts is a smart move for both you and your 1991 GMC B6000, providing peace of mind with parts that meet or exceed OEM standards.
Popular Sealed Power 1991 GMC B6000 Engine Internals
If you’re looking for a top-quality Engine Internal for your 1991 GMC B6000, Advance Auto Parts has exactly what you need with our selection of Sealed Power Engine Internals. We have 2 Sealed Power Engine Internals in stock for this fitment, all known for their durability and precision fit. With prices starting at just $66.99 and an average cost of $79.49, you’ll find the perfect Engine Internal for your needs and budget. Sealed Power Engine Internals for the 1991 GMC B6000 come highly rated, with over 2 customer reviews and an impressive average rating of 4.3 stars. Choosing a Sealed Power Engine Internal from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$91.99
(1)
Engine Crankshaft Main Bearing Set
“Great Product from a very good manufacture of bearings”
FAQs for 1991 GMC B6000 Engine Internals
What are the best-selling Engine Internals for 1991 GMC B6000s?
Out of 20 Engine Internals that fit 1991 GMC B6000s, the following parts are the top sellers:
- Engine Connecting Rod Bearing (3704696) – $8.29
- Engine Connecting Rod Bearing (3704661) – $7.99
- Engine Crankshaft Main Bearing Set (3702278) – $93.99
What’s the price range for 1991 GMC B6000 Engine Internals?
The prices of Engine Internals for the 1991 GMC B6000 range from $1.79 up to $93.99 for the most premium parts.
What is the average price of an Engine Internal for a 1991 GMC B6000?
The average price for Engine Internals for the 1991 GMC B6000 is $45.41. 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 GMC B6000 model years?
What are the cheapest Engine Internals for my 1991 GMC B6000?
The cheapest 1991 GMC B6000 Engine Internals we carry are:
- Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In., Ford (sold by each) (22148959) – $1.79
- Engine Connecting Rod Bearing (3704661) – $7.99
- Engine Connecting Rod Bearing (3704696) – $8.29
- Engine Connecting Rod Bearing (3704726) – $8.49
- Engine Connecting Rod Bearing (3704718) – $9.99
Does Advance Auto Parts sell Engine Internals for any other 1991 GMC models?
Yes. We stock Engine Internals for 20 other popular 1991 GMC models. Some of the most popular are 1991 Jimmy Engine Internals, 1991 K2500 Engine Internals, 1991 C2500 Engine Internals, 1991 K1500 Engine Internals, and 1991 C1500 Engine Internals.
What are the top-rated Engine Internals that fit the 1991 GMC B6000?
Based on 2 reviews by customers, our 1991 GMC B6000 Engine Internals have an average customer rating of 5 stars. These are the highest-rated categories of Engine Internals for the 1991 GMC B6000 and their top-rated products:
- Standard Rod Bearing Sets
- Engine Connecting Rod Bearing Set (19693575) – $66.99
- Oversized Main Bearings
- Engine Crankshaft Main Bearing Set (3702243) – $91.99
What types of Engine Internals do you sell for my 1991 GMC B6000?
As of 11/2/25, these are some of the most in-demand types of Engine Internals for a 1991 GMC B6000:
Can I get help with 1991 GMC B6000 Engine Internal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Engine Internals and more.
What is your return policy for GMC B6000 Engine Internals?
Advance Auto Parts keeps returns simple. For new GMC B6000 Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.