2021 Peterbilt 348 Belts and Hoses

Name: Poly Rib Belt Serpentine Belt; 43.6 Long, 6 Rib Count
Brand: Dayco
SKU: 5060436
Price: 33.99 USD
Rating: 4.5 (21 reviews)

Below you will find various in-demand Peterbilt Belts and Hoses, components and accessories for your 2021 348. Advance Auto Parts has popular 348 parts like Engine Cooling Hoses, Belt Tensioners, Pulleys and more. You’ll also find aftermarket and OEM Belts and Hoses for other 348 model years including 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 and more. Select a category of 2021 Peterbilt 348 Belts and Hoses below and start saving instantly.

Popular 2021 Peterbilt 348 Belts and Hoses Categories

Serpentine Belts

Belt Tensioner Assemblies

Idler Pulleys

Belt Tensioner Pulleys

Lower Radiator Hoses

V-Belts

Essential Belts and Hoses for 2021 Peterbilt 348s

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$33.99

Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
Engineered to help address noise issues caused by the belt drive
Capable of handling more extreme temperatures and workloads

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$17.79

The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.

Product Features:

Constructed with heat and ozone resistant EPDM rubber
Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
Made with treated polyester cord to reduce belt stretch

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$30.99

Constructed with aramid reinforced EPDM compounds, the Dayco poly-V serpentine belt delivers more than just OE quality. Developed through extensive laboratory and road testing, the rib profile in this EPDM belt has been engineered to conform to high mileage, worn or misaligned drives and helps eliminate noisy belt conditions. Dayco poly rib serpentine belts offer extensive flexibility and longer service life, while handling higher workloads and temperatures.

Product Features:

Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
Engineered to help address noise issues caused by the belt drive
Capable of handling more extreme temperatures and workloads
Made in the USA

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$77.99

Gates FleetRunner Micro-V Belts are designed for the toughest applications. FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:

Patented material provides maximum performance at extreme, extended operating temperatures
Construction resists cracking and wear, even at extreme temperatures
The special compound provides unprecedented flexibility, stability, load-carrying capacity and belt life.
Troubleshooting designed for the toughest applications
Consistently outperforms other heavy-duty serpentine belts on the market
Designed to save your fleet money and reduce downtime
It is recommended to replace the tensioner (if equipped)

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$146.99

This Heavy Duty Truck and Bus tensioner is designed and engineered by one of the world’s largest supplier of original equipment (O.E.) belt tensioners in the world. The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). This part is manufactured to meet or exceed the performance and life specifications of the O.E. part. The part features a premium chrome-silicon steel spring, internal damping, a “lift-lug” feature for ease of installation, Tandem 6303 ball bearings, a molded locator pin for precise installation, and a forged steel pulley. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

Product Features:

Designed and engineered by one of the world’s largest Original Equipment suppliers of accessory drive tensioners and pulleys.
Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
Installation instructions included.
Heavy Duty Electro-deposited coated (e-coat) Steel Pulley for superior corrosion resistance.
Professional Mechanics will change this tensioner in approx. 1/2 hour
Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.

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$141.99

Gates is a global leader in Original Equipment (OE) System Design. With a full line of tensioners globally, you can count on Gates to supply premium quality DriveAlign Automatic Belt Tensioners you can depend on.

Product Features:

Optimized components, designed to offer maximum strength and durability.
Its patented design provides excellent belt alignment and tension, so drive life and efficiency are improved.
Labyrinth sealing prevents contamination of internal parts to maximize durability and service life.
Long-life steel pulleys with dust guards to protect internal bearings from contamination
Double row bearings carry more load and last up to 3X longer than two individual bearings
Round chrome-silicone torsion spring for less fatigue than coil spring designs.
The patented damping mechanism ensures maximum stability, reduces vibration and extends the life of the belt, idler and other auxiliary transmission components

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$117.99

This accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles. It is engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue.

Product Features:

Direct replacement – this accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles
Ideal solution – engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$132.99

For heavy duty diesel engine accessory drive applications, Dayco’s HD automatic belt tensioner is designed to handle higher torque and power pulses. The heavy-duty cast aluminum body and pulley arms translate into extra strength and durability and the patented flat spring design prevents fluctuations to the tensioner body as its footprint doesn’t change when it’s under tension. This reduces the risk of belt noise and also helps avoid separation of the housing a key failure seen from competitive products. Dayco automatic belt tensioner H.D. also includes rugged pulleys with dual lifetime lubricated bearings to deliver long lasting, dependable service. Feature highly damped designs using a wave spring and a metal ring with a bonded polymeric surface that acts as a radial shock absorber for the tensioner arm while reducing contamination.

Product Features:

Designed to prevent fluctuations to the tensioner body for longer service life.
Reduces the risk of noise and helps avoid housing separation
Includes pulleys with lubricated bearings for longer lasting performance
Heavy-duty cast aluminum body and pulley arms translate into extra strength and durability

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$97.99

Product Features:

Same dimensional specifications of the OEM hose
Silicone cover resists high temperature ambient environments
3-ply polyester woven fabric reinforcement guarantees high burst strength & superior service life
Tube constructed w/ a thick silicone liner designed to handle coolants, including new extended life coolants
Provides long-life service in both low & high temperature environments
Temperature range: -65 Deg. F to +350 Deg. F (-54 Deg. C to +149 Deg. C)

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$1.79

The Dayco Straight Radiator Hose is designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:

Meets SAE J20R4, Class D-2 requirements
Features a high strength knitted reinforcement and synthetic EPDM rubber construction
Resistant to standard coolants, ozone and other detrimental environmental elements
PLEASE NOTE: Priced and sold by inch. See store for details.

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$6.29

Made with special silicone compounds & reinforced with a ply of braided polyester yarn, the Dayco straight radiator hose H.D. – silicone sustains up to six times longer service life than an ordinary coolant hose when installed with a Dayco lined hose clamp. It has a temperature rating of -40 Deg. F (-40 Deg. C) to +350 Deg. F (+175 Deg. C) and is designed for a range of H.D. trucking applications where routing is relatively straight.

Product Features:

Capable of withstanding extreme temperatures and high-pressure environments
Meets stringent OE specifications
Designed to meet SAE requirements J20R1, Class B Tube, Class C Cover, standard wall construction
PLEASE NOTE: Item is sold and priced by the inch. See store for details.

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$5.49

Made with special silicone compounds and reinforced with a ply of braided polyester yarn, the Dayco straight radiator hose H.D. silicone sustains up to six times longer service life than an ordinary coolant hose when installed with a Dayco lined hose clamp. It has a temperature rating of -40 Deg. F (-40 Deg. C) to +350 Deg. F (+175 Deg. C) and is designed for a range of H.D. trucking applications where routing is relatively straight.

Product Features:

Capable of withstanding extreme temperatures and high-pressure environments
Meets stringent OE specifications
Designed to meet SAE requirements J20R1, Class B Tube, Class C Cover, standard wall construction
PLEASE NOTE: Item is sold and priced by the inch. See store for details.

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$57.99

Designed to replace idler and tensioner pulleys for serpentine drives in heavy-duty diesel engine applications, Dayco HD idler/tensioner pulleys are machined from high-strength steel or powdered metal material to provide excellent wear resistance under harsh environments. Dual pressed-in bearings provide long bearing life and protection against the shock loads experienced by today’s diesel trucks.

Product Features:

Engineered for the demanding drive systems of today’s class 4-8 heavy-duty commercial trucks
Premium OE technology to ensure peak performance under extreme conditions
Utilizes 3D dimensional computer aided design (CAD) and finite element analysis (FEA) for optimal design and maximum structural integrity
Meets or exceeds OE quality

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$55.99

Engineered for the demanding drive systems of today’s class 4-8 heavy-duty commercial trucks
Premium OE technology to ensure peak performance under extreme conditions
Utilizes 3D dimensional computer aided design (CAD) and finite element analysis (FEA) for optimal design and maximum structural integrity
Meets or exceeds OE quality

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$68.99

This pulley is designed and engineered by Litens Automotive the inventor of the first automatic belt tensioner in 1979 and today the world’s largest supplier of Original Equipment (O.E.) belt tensioning and routing products. This pulley is produced for serpentine belt routing applications and as the pulley component on automatic tensioner applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is made using the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction for long life and trouble-free performance. Designed for HD truck applications. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.

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$58.99

Produced for heavy-duty vehicles and buses with multiple accessories, Dayco HD poly-V belts are made from EPDM material to resist heat and are compliant with the latest standards, guaranteeing resistance, reliability, low noise and longer service life. Engineered for high torque and power pulses, these belts also feature specially treated cords within the belt to resist stretching and ensure length stability.

Product Features:

Engineered to handle operating conditions with temperatures up to 130°C (266°F)
Designed for multiple accessories such as A/C, power steering pumps, alternators and water pumps
Capable of delivering excellent performance in high torque and high power pulse applications
Specially formulated treated cord insures length and tension stability on heavy duty diesel engine drives for the life of the belt

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$34.99

Designed for the toughest applications, FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:

Proprietary material provides maximum performance at extremely long operating temperatures
Construction that resists cracking, wear, oil and heat
The special compound provides unprecedented flexibility, stability, load-bearing capacity and belt life.
Unique under-cord notch pattern provides greater flexibility for smaller diameter pulleys
Troubleshooter for troubled drives
Designed to save your fleet money and reduce downtime
Meets RMA oil and heat resistant standards and static conductivity requirements

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$31.49

Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

Product Features:

Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
Thermoactivated pull cords for maintenance-free performance when properly installed and tensioned
Resists oil, heat, ozone, weather, and decay to improve belt life
Meets or exceeds SAE J636C specifications

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$32.99

Patented material provides peak performance at extremely prolonged operating temperatures
Crack, wear, oil, and heat resistant construction
The special compound provides unprecedented flexibility, stability, load-bearing capacity and belt life.
Unique notch pattern offers greater flexibility for smaller diameter pulleys
Problem solver for failed disks
Engineered to save your fleet money and reduce downtime
Meets RMA standards for oil and heat resistance and static conductivity requirements

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$5.99

The Driveworks V-Belt is manufactured with top quality components to deliver the maximum power and performance on all passenger cars and light duty trucks in service today.

Product Features:

This belt is made with bottom cogs to provide the maximum flexibility and grip required on v-belt drives
Polyester cords provide extreme tension-holding capability for longer belt life
The raw edge belt design delivers the maximum gripping power
The highly engineered rubber compounds are resistant to under hood heat and ozone deterioration

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$26.99

Fiber-loaded rubber mount adds flexibility along the belt and provides greater lateral stability on the pulley
Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
Thermoactivated pull cords for maintenance-free performance when properly installed and tensioned
Resists oil, heat, ozone, weather and aging for improved belt life
Meets or exceeds SAE J636C specifications

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$12.79

Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.

Product Features:

Designed for efficient power transmission to vehicle accessories in today’s trucks and buses
Provides greater durability and flexibility – 35% stronger than all previous versions
Features specially treated cords for added strength, stability and reliability
Made with specially formulated rubber compounds, this belt is highly resistant to extreme under hood temperatures that can cause premature damage to under engineered rubber compounds

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$30.49

Dayco® High Performance V-Belt is the workhorse of the heavy-duty industry. Polyester cord provides maximum power transfer and tension holding capability for the life of the belt. The laminated construction helps absorb greater shock loads associated with diesel engines. These Dayco® High Performance V-Belt advantages translate into less downtime, lower maintenance costs, and increased dependability. Dayco’s High Performance V-Belt meets or exceeds SAE J636 and J637 specifications.

Product Features:

The High Performance V-Belt design delivers more flexibility and increases airflow around the belt, so it runs cooler and lasts longer than most competitive belts
Polyester cord provides maximum power transfer and tension holding capability for the life of the belt
The laminated construction helps absorb greater shock loads associated with diesel engines
Made with specially formulated rubber compounds, this belt is highly resistant to extreme under hood temperatures that can cause premature damage to under engineered rubber compounds

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$46.99

Patented material provides peak performance at extremely prolonged operating temperatures
Heavy-duty construction resists cracking, wear, oil and heat
Special compound provides unmatched stability, load carrying capacity and belt life
Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
Troubleshooter for troubled drives
Engineered to save your fleet money and reduce downtime
Meets RMA oil and heat resistant standards and static conductivity requirements

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$38.99

The patented material provides optimal performance at extremely high operating temperatures.
Heavy-duty construction resists cracking, wear, oil and heat
Special compound provides unmatched stability, load carrying capacity and belt life
Unique notch pattern offers greater flexibility for smaller diameter pulleys
Problem solver for failed disks
Engineered to save your fleet money and reduce downtime
Meets RMA oil and heat resistance standards and static conductivity requirements

from

$43.99

Patented material provides peak performance at extremely prolonged operating temperatures
Construction that resists cracking, wear, oil and heat
The special compound provides unprecedented flexibility, stability, load-bearing capacity and belt life.
Unique notch pattern offers greater flexibility for smaller diameter pulleys
Troubleshooter for troubled drives
Designed to save your fleet’s money and reduce downtime
Meets RMA oil and heat resistant standards and static conductivity requirements

from

$33.49

Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
Thermoactivated pull cords for maintenance-free performance when properly installed and tensioned
Resists oil, heat, ozone, weather and aging for improved belt life
Meets or exceeds SAE J636C specifications

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$21.29

Designed for efficient power transmission to vehicle accessories in today’s trucks and buses
Provides greater durability and flexibility – 35% stronger than all previous versions
Features specially treated cords for added strength, stability and reliability
Made with specially formulated rubber compounds, this belt is highly resistant to extreme under hood temperatures that can cause premature damage to under engineered rubber compounds

Upgrade your 2021 Peterbilt 348 with Top-Quality Belts and Hoses

When it comes to maintaining or upgrading your 2021 Peterbilt 348, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Peterbilt or enhancing its overall performance, Belts and Hoses are key to keeping your 348 functioning at its best. At Advance Auto Parts, we offer a wide selection of 11 Belts and Hoses for the 2021 Peterbilt 348, designed to meet your needs without breaking the bank. From Engine Cooling Hose replacements to Belt Tensioners upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Belts and Hoses for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Belts and Hoses for your 2021 Peterbilt 348 at great prices. Our Belts and Hoses inventory for this model ranges from just $5.49 to $146.99, with an average price of $81.49. Our 11 Belts and Hoses in stock come from 4 trusted brands, so you’re sure to find the right part for your 2021 Peterbilt 348 without overspending.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Belts and Hose upgrades. Explore related part types like Batteries and Chargers, Fluids and Chemicals and more to make sure your 2021 Peterbilt 348 is always ready to roll. We’re committed to providing you with everything you need to keep your 348 in top shape, all in one place. Start shopping confidently below for your 2021 Peterbilt 348!

Best-Selling Engine Cooling Hoses for 2021 Peterbilt 348s

Enhance the driving experience in your Peterbilt with 2 quality Engine Cooling Hose components, starting at $5.49.

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from

$6.29

Capable of withstanding extreme temperatures and high-pressure environments
Meets stringent OE specifications
Designed to meet SAE requirements J20R1, Class B Tube, Class C Cover, standard wall construction
PLEASE NOTE: Item is sold and priced by the inch. See store for details.

from

$5.49

Capable of withstanding extreme temperatures and high-pressure environments
Meets stringent OE specifications
Designed to meet SAE requirements J20R1, Class B Tube, Class C Cover, standard wall construction
PLEASE NOTE: Item is sold and priced by the inch. See store for details.

Top Picks for 2021 Peterbilt 348 Pulleys

Upgrade Peterbilt 348s with top-quality Pulleys parts, including 2 OEM and aftermarket selections for your 2021 model.

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from

$57.99

Engineered for the demanding drive systems of today’s class 4-8 heavy-duty commercial trucks
Premium OE technology to ensure peak performance under extreme conditions
Utilizes 3D dimensional computer aided design (CAD) and finite element analysis (FEA) for optimal design and maximum structural integrity
Meets or exceeds OE quality

from

$68.99

In-Demand Serpentine and V Belts for 2021 Peterbilt 348s

Select from 3 premium Serpentine and V Belts parts for your 2021 Peterbilt 348, with prices ranging from $58.99 to $99.99.

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from

$99.99

Patented material provides peak performance at prolonged extreme operating temperatures
Heavy-duty construction resists cracking and wear, even at extreme temperatures
Special compound provides unmatched flexibility, stability, load carrying capacity and belt life
Problem solver designed for the toughest applications
Consistently outperforms other heavy-duty serpentine belts on the market
Engineered to save your fleet money and reduce downtime
Tensioner Replacement is Recommended (if equipped)

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$58.99

Engineered to handle operating conditions with temperatures up to 130°C (266°F)
Designed for multiple accessories such as A/C, power steering pumps, alternators and water pumps
Capable of delivering excellent performance in high torque and high power pulse applications
Specially formulated treated cord insures length and tension stability on heavy duty diesel engine drives for the life of the belt

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$76.99

Import or domestic, car or truck, every vehicle can depend on the superior quality of Gates precision fit Micro-V belts. With advanced technology that matches the OE size, construction and materials, Gates Micro-V ensures optimal vehicle performance.

Product Features:

Special belt construction eliminates belt noise, reduces tension loss and solves problem drive applications
EPDM rubber constructions resist cracking on the rib surface
Meets or exceeds all original equipment manufacturer specifications.
Replacement of the tensioner is recommended (if equipped)
Unique form grinding of each individual belt assures precise dimensional control.
Meets or exceeds SAE J1459, SAE J2432, and SAE J1596 specifications.

FAQs for 2021 Peterbilt 348 Belts and Hoses

Which Belts and Hoses are best-sellers for 2021 Peterbilt 348s?

Out of 11 Belts and Hoses that fit 2021 Peterbilt 348s, the following parts are the top sellers:

Serpentine Idler/Tensioner Pulley; Steel, 86.5mm Dia., 39.4mm Width, Smooth (20130039) – $57.99
FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt (10497162) – $99.99
Idler/Tensioner Pulley: Direct Fit, Steel, 86mm Diameter (10457773) – $68.99

What’s the price range for 2021 Peterbilt 348 Belts and Hoses?

Belts and Hose prices for the 2021 Peterbilt 348 start at $5.49 and go up to $146.99 for the most premium parts.

What’s the average price of a Belts and Hose for a 2021 Peterbilt 348?

The average price for Belts and Hoses for the 2021 Peterbilt 348 is $81.49. Keep in mind the variety of part types within our Belts and Hose category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Belts and Hoses for other Peterbilt 348 model years?

Yes, we currently carry Belts and Hoses for 15 model years of Peterbilt 348s between 1981 and 2022. Belts and Hoses are bought most frequently for the following model years: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Belts and Hoses for my 2021 Peterbilt 348?

The cheapest 2021 Peterbilt 348 Belts and Hoses we carry in stock are:

Straight Radiator Hoses; Silicone, HD, 2 1/4 Inch Inner Dia. (sold by inch) (20590247) – $5.49
Straight Radiator Hoses; Silicone, HD, 2 1/2 Inch Inner Dia. (sold by inch) (20590245) – $6.29
Serpentine Idler/Tensioner Pulley; Steel, 86.5mm Dia., 39.4mm Width, Smooth (20130039) – $57.99
Poly Rib Belt HD Serpentine Belt; 84.06 Long, 8 Rib Count, Heavy Duty (20060773) – $58.99
Idler/Tensioner Pulley: Direct Fit, Steel, 86mm Diameter (10457773) – $68.99

What types of Belts and Hoses do you sell for my 2021 Peterbilt 348?

As of 11/2/25, these are some of the most in-demand types of Belts and Hoses for a 2021 Peterbilt 348:

Can I get help with 2021 Peterbilt 348 Belts and Hose orders?

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

What is your return policy for Peterbilt 348 Belts and Hoses?

Advance Auto Parts keeps returns simple. For new Peterbilt 348 Belts and Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2021 Peterbilt 348 Belts and Hoses

Dayco – Poly Rib Belt Serpentine Belt; 43.6 Long, 6 Rib Count (Part No.5060436)

Driveworks – Poly Rib Belt Serpentine Belt; 37.01 Long, 5 Rib Count (Part No.370K5)

Dayco – Poly Rib Belt Serpentine Belt; 37.01 Long, 5 Rib Count (Part No.5050370)

Gates – FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt (Part No.K080860HD)

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.910567A)

Gates – FleetRunner Heavy-Duty Automatic Belt Drive Tensioner (Part No.38627)

Dorman – Automatic Belt Tensioner (Part No.419-375)

Dayco No Slack Gold Label – Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque (Part No.89473)

Gates – Molded Silicone Coolant Hose (Part No.28359)

Dayco – Straight Radiator Hoses; EPDM Rubber, 2 1/4 Inch Inner Diameter (sold by inch) (Part No.76225)

Dayco – Straight Radiator Hoses; Silicone, HD, 2 1/2 Inch Inner Dia. (sold by inch) (Part No.78250GL)

Dayco – Straight Radiator Hoses; Silicone, HD, 2 1/4 Inch Inner Dia. (sold by inch) (Part No.78225GL)

Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 86.5mm Dia., 39.4mm Width, Smooth (Part No.89106)

Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 31.26mm Width, 8 Grooves (Part No.89103)

Litens – Idler/Tensioner Pulley: Direct Fit, Steel, 86mm Diameter (Part No.900117A)

Dayco – Poly Rib Belt HD Serpentine Belt; 84.06 Long, 8 Rib Count, Heavy Duty (Part No.5080840)

Gates – FleetRunner Heavy-Duty V-Belt (Part No.9313HD)

Gates – Automotive XL High Capacity V-Belt (Part No.9380)

Gates – FleetRunner Heavy-Duty V-Belt (Part No.9435HD)

Driveworks – Automotive V-Belt, Driveworks (Part No.60017)

Gates – Automotive XL High Capacity V-Belt (Part No.9560)

Dayco – Bottom Cog V-Belt; 31.25 Inch Long, Exact Fit Premium Quality (Part No.17313)

Dayco – V-Belt, Top Cog (Part No.17600)

Gates – FleetRunner Heavy-Duty V-Belt (Part No.9600HD)

Gates – FleetRunner Heavy-Duty V-Belt (Part No.9330HD)

Gates – FleetRunner Heavy-Duty V-Belt (Part No.9375HD)

Gates – Automotive XL High Capacity V-Belt (Part No.9580)

Dayco – Bottom Cog V-Belt; 43.5 Inch Long, Exact Fit Premium Quality (Part No.17435)

Dayco – Straight Radiator Hoses; Silicone, HD, 2 1/2 Inch Inner Dia. (sold by inch) (Part No.78250GL)

Dayco – Straight Radiator Hoses; Silicone, HD, 2 1/4 Inch Inner Dia. (sold by inch) (Part No.78225GL)

Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.910567A)

Gates – FleetRunner Heavy-Duty Automatic Belt Drive Tensioner (Part No.38627)

Dayco No Slack Gold Label – Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque (Part No.89473)

Dorman – Automatic Belt Tensioner (Part No.419-375)

Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 86.5mm Dia., 39.4mm Width, Smooth (Part No.89106)

Litens – Idler/Tensioner Pulley: Direct Fit, Steel, 86mm Diameter (Part No.900117A)

Gates – FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt (Part No.K080842HD)

Dayco – Poly Rib Belt HD Serpentine Belt; 84.06 Long, 8 Rib Count, Heavy Duty (Part No.5080840)

Gates – Micro-V Serpentine Drive Belt (Part No.K080842)