2003 Peterbilt 387 Belts and Hoses

Please Select your Vehicle to See Exact Fit Parts

Essential Belts and Hoses for 2003 Peterbilt 387s

Gates – Gates FleetRunner Heavy-Duty Automatic Belt Drive Tensioner, 38511 (Part No.38511)

Gates FleetRunner Heavy-Duty Automatic Belt Drive Tensioner, 38511

from

$227.99
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.
See More

Gates – Gates FleetRunner Heavy-Duty Automatic Belt Drive Tensioner, 38587 (Part No.38587)

Gates FleetRunner Heavy-Duty Automatic Belt Drive Tensioner, 38587

from

$276.99
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.
See More

Gates – Gates FleetRunner Heavy-Duty Automatic Belt Drive Tensioner, 38505 (Part No.38505)

Gates FleetRunner Heavy-Duty Automatic Belt Drive Tensioner, 38505

from

$148.99
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.
See More

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

Gates Molded Silicone Coolant Hose, 28359

from

$111.99
Gates Silicone Molded Coolant Hose is built to surpass performance of the OE hose.
See More

Gates – Gates Premium Molded Coolant Hose, 21115 (Part No.21115)

Gates Premium Molded Coolant Hose, 21115

from

$53.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Driveworks – Driveworks Poly Rib Belt Serpentine Belt 71.5 Long, 6 Rib Count, 715K6 (Part No.715K6)

Driveworks Poly Rib Belt Serpentine Belt 71.5 Long, 6 Rib Count, 715K6

from

$25.49
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.
See More

Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K120872HD (Part No.K120872HD)

Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K120872HD

from

$154.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner 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. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More

Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K100710HD (Part No.K100710HD)

Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K100710HD

from

$161.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner 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. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More

Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 37.5mm Width, 8 Grooves, 89112 (Part No.89112)

Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 37.5mm Width, 8 Grooves, 89112

from

$81.99
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.
See More

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

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

from

$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.
See More

Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 57mm Width, Smooth, 89110 (Part No.89110)

Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 57mm Width, Smooth, 89110

from

$79.99
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.
See More

Gates – Gates Molded 90 Degree Silicone Coolant Hose, 28212 (Part No.28212)

Gates Molded 90 Degree Silicone Coolant Hose, 28212

from

$147.99
Newer heavy-duty engines with advanced emissions systems (from 2007 to current model year) produce higher under-hood temperatures, requiring the use of silicone coolant hose. In these new low engine-air-flow and high-heat conditions, Gates Silicone Coolant Hose is the perfect product.
See More

Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 10"" Long, 2.50"" Diameter, C71813" (Part No.C71813)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 10"" Long, 2.50"" Diameter, C71813"

from

$27.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.
See More

Dayco – Dayco Straight Heater Hose EPDM Rubber, 1 Inch Diameter (Sold by foot), 80319 (Part No.80319)

Dayco Straight Heater Hose EPDM Rubber, 1 Inch Diameter (Sold by foot), 80319

from

$5.99
Dayco Insulone Heater Hose is designed for use in cold climate applications where efficient heat transfer is important for comfortable and cost-effective operation of the vehicle. Note: This hose is NOT suitable for fuel or oil transfer.
See More

Dayco – Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271 (Part No.80271)

Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271

from

$2.99
Dayco Standard Heater Hose is designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine. Note: This hose is NOT suitable for fuel or oil transfer.
See More

Dayco – Dayco Straight Radiator Hoses EPDM Rubber, HD, 3 Inch Inner Dia. (Sold by inch), 77300GL (Part No.77300GL)

Dayco Straight Radiator Hoses EPDM Rubber, HD, 3 Inch Inner Dia. (Sold by inch), 77300GL

from

$2.99
Designed for a wide range of heavy-duty truck applications where the routing is relatively straight, the Dayco straight radiator hose – H.D. is made with the highest quality woven mesh fabric reinforcement, neoprene cover and nitrile tube compounds to withstand the most corrosive elements in diesel engines. Providing protection from oil, coolants, coolant additives and heat, it has a temperature rating of -40 Deg. F (-40 Deg. C) to +212 Deg. F (+100 Deg. C).
See More

Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 39.25mm Width, Smooth, 89101 (Part No.89101)

Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 39.25mm Width, Smooth, 89101

from

$44.99
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.
See More

Litens – Litens Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter, 900459A (Part No.900459A)

Litens Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter, 900459A

from

$52.99
This Litens pulley is supplied by one of the largest original equipment tensioner and pulley suppliers in the world and meets all form, fit, and performance characteristics of the original equipment part . The Litens replacement part is constructed of heavy duty steel for long life and trouble free performance. 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.
See More

Litens – Litens Idler/Tensioner Pulley: Direct Fit, Steel, 75mm Diameter, 900276A (Part No.900276A)

Litens Idler/Tensioner Pulley: Direct Fit, Steel, 75mm Diameter, 900276A

from

$68.99
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in Canada to the O.E. specified design and meets all performance and durability requirements. This Heavy duty Steel pulley is 74mm O.D. Applications include HD Truck and Bus 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.
See More

Litens – Litens Idler/Tensioner Pulley: Direct Fit, Steel, 74mm Diameter, 900301A (Part No.900301A)

Litens Idler/Tensioner Pulley: Direct Fit, Steel, 74mm Diameter, 900301A

from

$82.99
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in Canada to the O.E. specified design and meets all performance and durability requirements. This Heavy duty Steel pulley is 74.1mm O.D. Applications include HD Truck and Bus 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.
See More

Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19"" Long, 2.50"" Diameter, E70922" (Part No.E70922)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19"" Long, 2.50"" Diameter, E70922"

from

$26.49
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.
See More

Dayco – Dayco Straight Radiator Hoses EPDM Rubber, 2 1/2 Inch Inner Diameter (Sold by inch), 76250 (Part No.76250)

Dayco Straight Radiator Hoses EPDM Rubber, 2 1/2 Inch Inner Diameter (Sold by inch), 76250

from

$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.
See More

Driveworks – Driveworks Poly Rib Belt Serpentine Belt 43.6 Long, 6 Rib Count, 436K6 (Part No.436K6)

Driveworks Poly Rib Belt Serpentine Belt 43.6 Long, 6 Rib Count, 436K6

from

$33.99
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.
See More

Gates – Gates Micro-V Serpentine Drive Belt, K080720 (Part No.K080720)

Gates Micro-V Serpentine Drive Belt, K080720

from

$84.99
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.
See More

Carquest Standard – "Carquest Serpentine Belt: 64.0"" Long, 6 Rib Count, 640K6" (Part No.640K6)

"Carquest Serpentine Belt: 64.0"" Long, 6 Rib Count, 640K6"

from

$22.99
Carquest Standard serpentine belts are constructed from quality materials to ensure durability and a long lifespan. We design and manufacture each Carquest Standard belt to enhance belt-to-pulley contact, maximizing load-carrying capacity and extending belt life. Our serpentine belts are built with EPDM rubber and treated polyester cord to improve durability and belt life. Carquest Standard belts are the right choice when looking for OE fit, form, and function at a great price.
See More

Dayco – Dayco Bottom Cog V-Belt 46.25 Inch Long, Exact Fit Premium Quality, 17463 (Part No.17463)

Dayco Bottom Cog V-Belt 46.25 Inch Long, Exact Fit Premium Quality, 17463

from

$21.49
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.
See More

Dayco – Dayco Poly Rib Belt Serpentine Belt 64 Long, 6 Rib Count, 5060640 (Part No.5060640)

Dayco Poly Rib Belt Serpentine Belt 64 Long, 6 Rib Count, 5060640

from

$33.99
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.
See More

Dayco – Dayco Poly Rib Belt Serpentine Belt 68.5 Long, 6 Rib Count, 5060685 (Part No.5060685)

Dayco Poly Rib Belt Serpentine Belt 68.5 Long, 6 Rib Count, 5060685

from

$52.99
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.
See More

Upgrade your 2003 Peterbilt 387 with Top-Quality Belts and Hoses

When it comes to maintaining or upgrading your 2003 Peterbilt 387, 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 387 functioning at its best. At Advance Auto Parts, we offer a wide selection of 31 Belts and Hoses for the 2003 Peterbilt 387, designed to meet your needs without breaking the bank. From Heater Hose replacements to Serpentine and V Belts 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 2003 Peterbilt 387 at great prices. Our Belts and Hoses inventory for this model ranges from just $1.79 to $277.99, with an average price of $59.11. Our 31 Belts and Hoses in stock come from 5 trusted brands, so you’re sure to find the right part for your 2003 Peterbilt 387 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Peterbilt 387, we stock popular OEM and aftermarket Belts and Hoses from top names like Dayco Driveworks, and more. Dayco Belts and Hoses start at just $39.99 and boast an impressive 4.5 stars average rating from customers. With 142 customer reviews and counting, our 2003 Peterbilt 387 Belts and Hoses have a strong track record of reliability, ensuring you can trust your purchase.

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 2003 Peterbilt 387 is always ready to roll. We’re committed to providing you with everything you need to keep your 387 in top shape, all in one place. Start shopping confidently below for your 2003 Peterbilt 387!

Best-Selling Heater Hoses for 2003 Peterbilt 387s

Enhance the driving experience in your Peterbilt with 2 quality Heater Hose components, starting at $2.99.

Dayco – Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271 (Part No.80271)

Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271

from

$2.99
Dayco Standard Heater Hose is designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine. Note: This hose is NOT suitable for fuel or oil transfer.
See More

Dayco – Dayco Straight Radiator Hoses EPDM Rubber, HD, 3 Inch Inner Dia. (Sold by inch), 77300GL (Part No.77300GL)

Dayco Straight Radiator Hoses EPDM Rubber, HD, 3 Inch Inner Dia. (Sold by inch), 77300GL

from

$2.99
Designed for a wide range of heavy-duty truck applications where the routing is relatively straight, the Dayco straight radiator hose – H.D. is made with the highest quality woven mesh fabric reinforcement, neoprene cover and nitrile tube compounds to withstand the most corrosive elements in diesel engines. Providing protection from oil, coolants, coolant additives and heat, it has a temperature rating of -40 Deg. F (-40 Deg. C) to +212 Deg. F (+100 Deg. C).
See More

Most Popular 2003 Peterbilt 387 Serpentine and V Belts

Customize your Peterbilt with 18 Serpentine and V Belts products like Serpentine Belts, V-Belts, and Drive Belt Idler Assemblies, all priced under $166.99.

Driveworks – Driveworks Poly Rib Belt Serpentine Belt 71.5 Long, 6 Rib Count, 715K6 (Part No.715K6)

Driveworks Poly Rib Belt Serpentine Belt 71.5 Long, 6 Rib Count, 715K6

from

$25.49
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.
See More

Dayco – Dayco Poly Rib Belt Serpentine Belt 56 Long, 6 Rib Count, 5060560 (Part No.5060560)

Dayco Poly Rib Belt Serpentine Belt 56 Long, 6 Rib Count, 5060560

from

$41.99
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.
See More

Driveworks – Driveworks Poly Rib Belt Serpentine Belt 56 Long, 6 Rib Count, 560K6 (Part No.560K6)

Driveworks Poly Rib Belt Serpentine Belt 56 Long, 6 Rib Count, 560K6

from

$32.99
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.
See More

Driveworks – Driveworks Poly Rib Belt HD Serpentine Belt 80.51 Long, 8 Rib Count, Heavy Duty, 805K8 (Part No.805K8)

Driveworks Poly Rib Belt HD Serpentine Belt 80.51 Long, 8 Rib Count, Heavy Duty, 805K8

from

$24.29
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.
See More

Dayco – Poly Rib Belt, Premium, Dayco, 5080875 (Part No.5080875)

Poly Rib Belt, Premium, Dayco, 5080875

from

$73.99
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.
See More

Dayco – Dayco Poly Rib Belt Serpentine Belt 71.5 Long, 6 Rib Count, 5060715 (Part No.5060715)

Dayco Poly Rib Belt Serpentine Belt 71.5 Long, 6 Rib Count, 5060715

from

$39.99
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.
See More

Dayco – Dayco Poly Rib Belt HD Serpentine Belt 80.51 Long, 8 Rib Count, Heavy Duty, 5080805 (Part No.5080805)

Dayco Poly Rib Belt HD Serpentine Belt 80.51 Long, 8 Rib Count, Heavy Duty, 5080805

from

$75.99
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.
See More

Dayco – Dayco Bottom Cog V-Belt 46.25 Inch Long, Exact Fit Premium Quality, 17463 (Part No.17463)

Dayco Bottom Cog V-Belt 46.25 Inch Long, Exact Fit Premium Quality, 17463

from

$21.49
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.
See More

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

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

from

$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.
See More

Dayco – Poly Rib Belt, Premium, Dayco, 5080900 (Part No.5080900)

Poly Rib Belt, Premium, Dayco, 5080900

from

$33.99
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.
See More

Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K080922HD (Part No.K080922HD)

Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K080922HD

from

$166.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner 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. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More

Dayco – Dayco Poly Rib Belt HD Serpentine Belt 87.25 Long, 12 Rib Count, Heavy Duty, 5120873 (Part No.5120873)

Dayco Poly Rib Belt HD Serpentine Belt 87.25 Long, 12 Rib Count, Heavy Duty, 5120873

from

$84.99
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.
See More

Dayco – Dayco Poly Rib Belt HD Serpentine Belt 92 Long, 8 Rib Count, Heavy Duty, 5080920 (Part No.5080920)

Dayco Poly Rib Belt HD Serpentine Belt 92 Long, 8 Rib Count, Heavy Duty, 5080920

from

$66.99
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.
See More

Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K060560HD (Part No.K060560HD)

Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K060560HD

from

$41.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner 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. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More

Gates – Gates Micro-V Serpentine Drive Belt, K080922 (Part No.K080922)

Gates Micro-V Serpentine Drive Belt, K080922

from

$134.99
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.
See More

Carquest Standard – "Carquest Serpentine Belt: 56.0"" Long, 6 Rib Count, 560K6" (Part No.560K6)

"Carquest Serpentine Belt: 56.0"" Long, 6 Rib Count, 560K6"

from

$32.99
Carquest Standard serpentine belts are constructed from quality materials to ensure durability and a long lifespan. We design and manufacture each Carquest Standard belt to enhance belt-to-pulley contact, maximizing load-carrying capacity and extending belt life. Our serpentine belts are built with EPDM rubber and treated polyester cord to improve durability and belt life. Carquest Standard belts are the right choice when looking for OE fit, form, and function at a great price.
See More

Carquest Standard – "Carquest Serpentine Belt: 71.5"" Long, 6 Rib Count, 715K6" (Part No.715K6)

"Carquest Serpentine Belt: 71.5"" Long, 6 Rib Count, 715K6"

from

$25.49
Carquest Standard serpentine belts are constructed from quality materials to ensure durability and a long lifespan. We design and manufacture each Carquest Standard belt to enhance belt-to-pulley contact, maximizing load-carrying capacity and extending belt life. Our serpentine belts are built with EPDM rubber and treated polyester cord to improve durability and belt life. Carquest Standard belts are the right choice when looking for OE fit, form, and function at a great price.
See More

Carquest Standard – "Carquest Serpentine Belt: 80.5"" Long, 8 Rib Count, 805K8" (Part No.805K8)

"Carquest Serpentine Belt: 80.5"" Long, 8 Rib Count, 805K8"

from

$24.29
Carquest Standard serpentine belts are constructed from quality materials to ensure durability and a long lifespan. We design and manufacture each Carquest Standard belt to enhance belt-to-pulley contact, maximizing load-carrying capacity and extending belt life. Our serpentine belts are built with EPDM rubber and treated polyester cord to improve durability and belt life. Carquest Standard belts are the right choice when looking for OE fit, form, and function at a great price.
See More

Top Picks for 2003 Peterbilt 387 Belt Tensioners

Upgrade Peterbilt 387s with top-quality Belt Tensioners parts, including 5 OEM and aftermarket selections for your 2003 model.

Litens – Litens Accessory Drive Belt Tensioner – Original Equipment Quality, 910559A (Part No.910559A)

Litens Accessory Drive Belt Tensioner - Original Equipment Quality, 910559A

from

$254.99
“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.”
See More

Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Belt Tensioner 1 Piece, HD, Engineered To Handle Higher Torque, 89480 (Part No.89480)

Dayco No Slack Gold Label Serpentine Belt Tensioner 1 Piece, HD, Engineered To Handle Higher Torque, 89480

from

$195.99
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.
See More

Gates – Gates FleetRunner Heavy-Duty Automatic Belt Drive Tensioner, 38506 (Part No.38506)

Gates FleetRunner Heavy-Duty Automatic Belt Drive Tensioner, 38506

from

$277.99
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.
See More

Litens – Litens Accessory Drive Belt Tensioner – Original Equipment Quality, 910017A (Part No.910017A)

Litens Accessory Drive Belt Tensioner - Original Equipment Quality, 910017A

from

$199.99
“This Heavy Duty Truck and Bus tensioner is designed and engineered by one of the largest supplier of original equipment (O.E.) belt tensioners in the world. While the appearance is slightly different from the original equipment part, the Litens part maintains the original form, fit, and function specifications. 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. Specifically designed for a wide variety of trucks and buses with a Caterpillar C15/C7/3406/C16 engine. 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.”
See More

Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Belt Tensioner 1 Piece, HD, Built To Outperform And Outlast OE Parts, 89485 (Part No.89485)

Dayco No Slack Gold Label Serpentine Belt Tensioner 1 Piece, HD, Built To Outperform And Outlast OE Parts, 89485

from

$134.99
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.
See More

In-Demand Engine Cooling Hoses for 2003 Peterbilt 387s

Select from 2 premium Engine Cooling Hoses parts for your 2003 Peterbilt 387, with prices ranging from $5.99 to $53.99.

Gates – Gates Premium Molded Coolant Hose, 21115 (Part No.21115)

Gates Premium Molded Coolant Hose, 21115

from

$53.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
See More

Dayco – Dayco Straight Heater Hose EPDM Rubber, 1 Inch Diameter (Sold by foot), 80319 (Part No.80319)

Dayco Straight Heater Hose EPDM Rubber, 1 Inch Diameter (Sold by foot), 80319

from

$5.99
Dayco Insulone Heater Hose is designed for use in cold climate applications where efficient heat transfer is important for comfortable and cost-effective operation of the vehicle. Note: This hose is NOT suitable for fuel or oil transfer.
See More

Most Sold 2003 Peterbilt 387 Radiator Hoses

Explore our best-selling Peterbilt parts for the 2003 387 among 2 OEM and aftermarket options starting from $1.79.

Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19"" Long, 2.50"" Diameter, E70922" (Part No.E70922)

"Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19"" Long, 2.50"" Diameter, E70922"

from

$26.49
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.
See More

Dayco – Dayco Straight Radiator Hoses EPDM Rubber, 2 1/2 Inch Inner Diameter (Sold by inch), 76250 (Part No.76250)

Dayco Straight Radiator Hoses EPDM Rubber, 2 1/2 Inch Inner Diameter (Sold by inch), 76250

from

$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.
See More

Top-Rated Belts and Hoses Brands For Your 2003 Peterbilt 387

Shop for the best-rated brands offering Belts and Hoses and other products for your 2003 Peterbilt 387s. Below you’ll find some of our best rated Belts and Hoses from Dayco and Driveworks, and more. Belts and Hoses from these brands that fit a 2003 387 start at just $24.29 and are rated as high as 4.5 stars. OEM and aftermarket Belts and Hoses don’t get more top quality, durable, and affordable than from the brands below.

Popular Dayco 2003 Peterbilt 387 Belts and Hoses

When it comes to maintaining or upgrading your 2003 Peterbilt 387, using quality Belts and Hoses is essential to ensure durability and a perfect fit. Dayco ticks all of those boxes. We offer a wide selection of Dayco Belts and Hoses, specifically designed for the 2003 Peterbilt 387. With over 3 Dayco brand Belts and Hoses in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $39.99, with an average price of just $51.99. Plus, with over 35 customer reviews and an average rating of 4.5 stars, you can trust that our Dayco Belts and Hoses will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
Dayco Poly Rib Belt Serpentine Belt 56 Long, 6 Rib Count, 5060560
from $41.99
(9)
Dayco Poly Rib Belt Serpentine Belt 56 Long, 6 Rib Count, 5060560
“This is replacement part that is looks durable and was a perfect fit”
Dayco Poly Rib Belt Serpentine Belt 71.5 Long, 6 Rib Count, 5060715
from $39.99
(8)
Dayco Poly Rib Belt Serpentine Belt 71.5 Long, 6 Rib Count, 5060715
“On my Jeep YJ , 1993 Wrangler 8″ lift, 35″ tires, this was a fan belt for the jeep with 200,000 miles on her 4.0, 6 cyl”
Poly Rib Belt, Premium, Dayco, 5080875
from $73.99
(18)
Poly Rib Belt, Premium, Dayco, 5080875
“Factory OEM part at a good price”

Popular Driveworks 2003 Peterbilt 387 Belts and Hoses

Driveworks auto parts is one of the highest quality Belts and Hose brands in the market. Any 2003 Peterbilt 387 owner should feel confident when installing genuine Driveworks parts in their vehicle. To ensure the best fit and performance for your 2003 387, Advance Auto Parts carries a full inventory of 3 Driveworks Belts and Hoses. Plus you will be keeping your Peterbilt in peak condition while saving money because prices on these Driveworks Belts and Hoses range from $24.29 to $32.99, plus, with more than 16 customer reviews and an impressive 4.2 stars average rating, you can be confident the Fram Belts and Hoses below will deliver on both quality and value.
Driveworks Poly Rib Belt Serpentine Belt 71.5 Long, 6 Rib Count, 715K6
from $25.49
(7)
Driveworks Poly Rib Belt Serpentine Belt 71.5 Long, 6 Rib Count, 715K6
“Fits perfect on my 99 mercury cougar.”

FAQs for 2003 Peterbilt 387 Belts and Hoses

Which Belts and Hoses are best-sellers for 2003 Peterbilt 387s?

What’s the price range for 2003 Peterbilt 387 Belts and Hoses?

Belts and Hose prices for the 2003 Peterbilt 387 start at $1.79 and go up to $277.99 for the most premium parts.

What’s the average price of a Belts and Hose for a 2003 Peterbilt 387?

The average price for Belts and Hoses for the 2003 Peterbilt 387 is $59.11. 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 387 model years?

Yes, we currently carry Belts and Hoses for 12 model years of Peterbilt 387s between 1981 and 2011. Belts and Hoses are bought most frequently for the following model years: 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, and 2002.

What are the top-rated Belts and Hoses that fit the 2003 Peterbilt 387?

Out of 142 reviews by customers, our 2003 Peterbilt 387 Belts and Hoses have an average customer rating of . These are some of the highest-rated Belts and Hose types for the 2003 Peterbilt 387 and their top-rated products:

What types of Belts and Hoses do you sell for my 2003 Peterbilt 387?

As of 8/2/26, these are some of the most in-demand types of Belts and Hoses for a 2003 Peterbilt 387:

Can I get help with 2003 Peterbilt 387 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 387 Belts and Hoses?

Advance Auto Parts keeps returns simple. For new Peterbilt 387 Belts and Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.