Peterbilt 388 Belts and Hoses

Essential Peterbilt 388 Belts and Hoses

Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.36223)

DriveAlign½ Belt Drive Idler/Tensioner Pulley

from

$71.99
Product Features:
  • Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
  • Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
  • OE-quality fit for virtually every domestic or import vehicle on the road today
  • Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
  • Premium bearings eliminate bearing noise
  • Mounting hardware included for some popular applications
  • Reliable operation under severe conditions
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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 74 mm Diameter (Part No.900506A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 74 mm Diameter

from

$63.99
This pulley is supplied by Litens Automotive – 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 meets all performance and durability requirements. Fits Heavy Duty truck applications including Kenworth. Peterbilt, Freightliner, and Western Star. Comes pre-assembled with a new installation bolt and washer. 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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Gates – Molded 90 Degree Silicone Coolant Hose (Part No.28212)

Molded 90 Degree Silicone Coolant Hose

from

$148.99
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.

Product Features:
  • Premium 4-ply construction
  • High-heat resistance material meets or exceeds OE specifications
  • Multiple layers of first grade silicone material
  • Industry standard blue cover and orange tube for easy identification
  • Polyester knit reinforcement, unaffected by permeation of coolants and heat
  • Extra thick and resilient tube prevents cold water leaks and hardening under effect of heat
  • High-grade silicone cover resists coolants, ozone, weathering, sunlight and extreme ambient temperatures
  • Exceeds requirements of SAE J20R1, Class A
  • Temperature Range: -65 Deg. F to +350 Deg. F (-54 Deg. C to +177 Deg. C)
  • Gates also offers application-specific molded silicone coolant hose for exact dimensional specifications
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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5" Long, 2.50" Diameter (Part No.B71812)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5" Long, 2.50" Diameter

from

$21.49
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.

Product Features:
  • Meets SAE J20R4, Class D-1 requirements
  • Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Provides excellent protection against external elements
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.910002A)

Serpentine Belt Tensioner: 1 Piece

from

$149.99
This Heavy Duty Truck and Bus tensioner is designed and engineered Litens, 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. Fits a large variety of Makes, Models, and Engines. 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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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.910568A)

Serpentine Belt Tensioner: 1 Piece

from

$229.99
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.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.910576A)

Serpentine Belt Tensioner: 1 Piece

from

$155.99
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.
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Gates – Straight Silicone Coolant Hose (Part No.24840)

Straight Silicone Coolant Hose

from

$4.99
Extra long-lasting hose constructed with silicone rubber. Ideal for extremely high temperature service in radiator, heater and other coolant transfer hose applications. Excellent for extreme ambient and radiant temperature conditions.

Product Features:
  • Distinct blue cover
  • Resists weathering, ozone, heat and coolant deterioration
  • Exceeds SAE 20R1 (Class A Standard Wall)
  • Temperature Range: -70 Deg. F to +350 Deg. F (-56 Deg. C to +177 Deg. C)
  • Note: For a maintenance free connection, use PowerGrip SB clamps
  • Caution: Do not use for fuel or oil transfer applications
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Gates – Molded 45 Degree Silicone Coolant Hose (Part No.28200)

Molded 45 Degree Silicone Coolant Hose

from

$249.99
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.

Product Features:
  • Premium 4-ply construction
  • High-heat resistance material meets or exceeds OE specifications
  • Multiple layers of first grade silicone material
  • Industry standard blue cover and orange tube for easy identification
  • Polyester knit reinforcement, unaffected by permeation of coolants and heat
  • Extra thick and resilient tube prevents cold water leaks and hardening under effect of heat
  • High-grade silicone cover resists coolants, ozone, weathering, sunlight and extreme ambient temperatures
  • Exceeds requirements of SAE J20R1, Class A
  • Temperature Range: -65 Deg. F to +350 Deg. F (-54 Deg. C to +177 Deg. C)
  • Gates also offers application-specific molded silicone coolant hose for exact dimensional specifications
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Gates – Diesel Emissions Fluid (DEF) SCR Hose Assembly (Part No.DEF7002)

Diesel Emissions Fluid (DEF) SCR Hose Assembly

from

$84.99
Gates Diesel Emission Fluid (DEF) Hose Assemblies are specially designed and manufactured to convey Diesel Emission Fluid (DEF). Because DEF freezes at +11 Deg. F (-12 Deg. C), the hose and couplings are electronically heated using our revolutionary carbon fiber heating system. This patent pending technology allows for more uniform fluid heating compared to heated-wire designs and features thermoplastic over-molds to protect electrical connections against moisture and corrosion.

Product Features:
  • Patented carbon-fiber heating provides design flexibility and allows faster thaw times with reduced power consumption
  • Designed to match OE performance
  • Over-molded ends encapsulate electrical connections and provide weatherproof performance
  • SAE J2044 quick-connect couplings
  • Temperature range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +135 Deg. C)
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Gates – Diesel Emissions Fluid (DEF) SCR Hose Assembly (Part No.DEF7043)

Diesel Emissions Fluid (DEF) SCR Hose Assembly

from

$383.99
Product Features:
  • Patented carbon-fiber heating provides design flexibility and allows faster thaw times with reduced power consumption
  • Designed to match OE performance
  • Over-molded ends encapsulate electrical connections and provide weatherproof performance
  • SAE J2044 quick-connect couplings
  • Temperature range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +135 Deg. C)
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Gates – Diesel Emissions Fluid (DEF) SCR Hose Assembly (Part No.DEF7000)

Diesel Emissions Fluid (DEF) SCR Hose Assembly

from

$344.99
Product Features:
  • Patented carbon-fiber heating provides design flexibility and allows faster thaw times with reduced power consumption
  • Designed to match OE performance
  • Over-molded ends encapsulate electrical connections and provide weatherproof performance
  • SAE J2044 quick-connect couplings
  • Temperature range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +135 Deg. C)
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Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 86.5mm Dia., 39.4mm Width, Smooth (Part No.89106)

Serpentine Idler/Tensioner Pulley; Steel, 86.5mm Dia., 39.4mm Width, Smooth

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 ha

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

Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 57mm Width, Smooth

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 ha

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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Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 38.3mm Width, Smooth (Part No.89111)

Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 38.3mm Width, Smooth

from

$86.99
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 ha

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

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 74 mm Diameter

from

$77.99
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.
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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter (Part No.900459A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter

from

$58.99
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.
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Dayco – Poly Rib Belt Serpentine Belt; 76.25 Long, 7 Rib Count (Part No.5070763)

Poly Rib Belt Serpentine Belt; 76.25 Long, 7 Rib Count

from

$44.99
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
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Dayco – Poly Rib Belt HD Serpentine Belt; 82.09 Long, 8 Rib Count, Heavy Duty (Part No.5080820)

Poly Rib Belt HD Serpentine Belt; 82.09 Long, 8 Rib Count, Heavy Duty

from

$36.49
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. En

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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Gates – V-Ribbed (Heavy Duty) Serpentine Belt: 105.5" Long, 12 Rib Count, Exact Fit (Part No.K121049HD)

V-Ribbed (Heavy Duty) Serpentine Belt: 105.5" Long, 12 Rib Count, Exact Fit

from

$179.99
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 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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Gates – V-Ribbed (Heavy Duty) Serpentine Belt: 54.521" Long, 6 Rib Count, Exact Fit (Part No.K060539HD)

V-Ribbed (Heavy Duty) Serpentine Belt: 54.521" Long, 6 Rib Count, Exact Fit

from

$37.99
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 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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Dayco – Straight Radiator Hose, Standard (Sold by inch) (Part No.76250)

Straight Radiator Hose, Standard (Sold by inch)

from

$1.79
Designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight, Dayco’s Straight Radiator Hose features knitted einforcement and synthetic EPDM rubber construction. It meets SAE J20R4, Class D-2 requirements and provides high strength and resistance to ozone and other detrimental environmental elements, coolants, and temperature variations from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). 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
  • Works well in temperatures ranging from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
  • PLEASE NOTE: Priced and sold by inch. See store for details.
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Helping You Find the Right Belts and Hoses for Your Peterbilt 388

You love your 388. So we’ve made it easier than ever to help you find Peterbilt 388 Belts and Hoses in our online catalog. Our inventory holds 96 aftermarket and OEM Belts and Hoses for your Peterbilt 388, ranging from $1.79 to $401.99.

We offer parts from 4 brands trusted to make quality Belts and Hoses for your Peterbilt 388. Before you buy, take some time to read through customer reviews. We currently have 1,628 reviews of Peterbilt 388 Belts and Hoses from previous customers. Some of the top rated parts include Poly Rib Belt Serpentine Belt; 61.02 Long, 6 Rib Count with 5.0 stars and Serpentine Assy. Idler/Tensioner Pulley; Steel, 77mm Dia., 30mm Width, 6 Grooves with 3.0 stars.

Find your 388 Belts and Hoses here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Peterbilt 388 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Belts and Hoses Brands for Your Peterbilt 388

Our inventory holds Belts and Hoses for your Peterbilt 388 from 4 trusted brands. You’ll find OEM and aftermarket parts from brands like Dayco, DriveWorks, and Litens, all of which can keep that Peterbilt happy.

Top-Rated Dayco Belts and Hoses

Leading Dayco Belts and Hoses

We carry Dayco brand parts for your Peterbilt 388 across several catalog categories, including Serpentine and V Belts. Some of our most reviewed Dayco parts include:
Poly Rib Belt Serpentine Belt; 60.5 Long, 6 Rib Count
from $37.99
(268)
Poly Rib Belt Serpentine Belt; 60.5 Long, 6 Rib Count
Serpentine Belts
Poly Rib Belt Serpentine Belt; 76.25 Long, 7 Rib Count
from $44.99
(72)
Poly Rib Belt Serpentine Belt; 76.25 Long, 7 Rib Count
Serpentine Belts
Poly Rib Belt Serpentine Belt; 64 Long, 6 Rib Count
from $33.49
(16)
Poly Rib Belt Serpentine Belt; 64 Long, 6 Rib Count
Serpentine Belts

FAQs for Peterbilt 388 Belts and Hoses

What are the most purchased Belts and Hoses for the Peterbilt 388?

Out of 96 Belts and Hoses for the Peterbilt 388, the most popular in our inventory are:
Poly Rib Belt Serpentine Belt; 60.5 Long, 6 Rib Count
from $23.99
(21)
Poly Rib Belt Serpentine Belt; 60.5 Long, 6 Rib Count
Serpentine Belts
Poly Rib Belt Serpentine Belt; 76.25 Long, 7 Rib Count
from $30.49
(17)
Poly Rib Belt Serpentine Belt; 76.25 Long, 7 Rib Count
Serpentine Belts
Poly Rib Belt Serpentine Belt; 64 Long, 6 Rib Count
from $18.79
(4)
Poly Rib Belt Serpentine Belt; 64 Long, 6 Rib Count
Serpentine Belts

What are the top-rated Peterbilt 388 Belts and Hoses?

Top-rated Belts and Hoses for your Peterbilt 388 based on customer reviews/ratings are:
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 78 mm Diameter
from $62.99
(1)
O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 78 mm Diameter
“What a cheap piece of plastic sheet metal push on washer are you kidding me Junk save your money stick with Dayco”