2023 Peterbilt 579 Belts and Hoses

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

This pulley is manufactured 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 International 5000 and 9000 series vehicles. Comes complete with new dust shield. 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.

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

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)

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

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)

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 specifications from the Original Equipment Manufacturer
• Tensioner Replacement 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.

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

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

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

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

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 foot. See store for details.

This Litens supplied tensioner is manufactured to original equipment specifications. Heavy duty steel pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. For maximum performance and durability, always use genuine Litens components. 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.

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 pat

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

Designed and engineered by one of the world’s largest Original Equipment suppliers of accessory drive tensioners and pulleys. 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.

This Heavy duty belt tensioner is manufactured by one of the largest original equipment tensioner suppliers to ensure proper fit and performance. This tensioner is produced for serpentine belt routing applications and is made of high strength steel for improved life and durability. This tensioner has been redesigned from the original OE design to increase life and durability. This tensioner has 1 pulley a larger pivot bushing, longer tensioner arm for reduced arm motion, an inline load balance for enhanced tensioner alignment, 2 6303 ball bearings proven to last longer than conventional bearings, higher damping consequently reducing arm motion and wear as well as an optimized install feature for ease on tensioner replacement. This tensioner has an installation bolt as well as a dust shield. This tensioner fits 2014-2015 Kenworth, T680, Paccar MX-13 Diesel, Tensioner Assy. – W.P., Alt. and A.C. 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.

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:

• Optimized components engineered for maximum strength and durability
• Patented design provides superior belt alignment and tension for improved drive efficiency and life
• Patented labyrinth seal prevents contamination of internal parts for maximum durability and service life
• Long-lasting steel pulleys with dust shields to protect internal bearings from contamination
• Double row bearings carry more load and last up to 3X longer than two individual bearings
• Chrome-silicone round torsion spring for less +ex-fatigue than +at-spring designs
• Patented damping mechanism provides maximum stability, reducing vibration and increasing the life of the belt, tensioner and other accessory drive components

Product Features:

• Optimized components engineered for maximum strength and durability
• Patented design provides superior belt alignment and tension for improved drive efficiency and life
• Patented labyrinth seal prevents contamination of internal parts for maximum durability and service life
• Long-lasting steel pulleys with dust shields to protect internal bearings from contamination
• Double row bearings carry more load and last up to 3X longer than two individual bearings
• Chrome-silicone round torsion spring for less ┐ex-fatigue than ┐at-spring designs
• Patented damping mechanism provides maximum stability, reducing vibration and increasing the life of the belt, tensioner and other accessory drive components

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 pat

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

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

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

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