Mack CHU Belts and Hoses

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)

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

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.

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)

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

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

This Litens supplied tensioner is manufactured to original equipment specifications. This part is specifically designed for Mack / Volvo applications. 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.

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 fits 2016-15 Mack, CXU Series, Mack MP7 Diesel, Tensioner Assy. – Fan. 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:

• Manufactured by one of the largest original equipment part suppliers to ensure proper form, fit, and performance.
• Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
• Heavy Duty Steel Pulley with 2 close tolerance ball bearings, pocket and Electro-deposited coating for superior corrosion resistance
• Large pivot bushing
• Installation instructions included

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

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

Product Features:

• Specifically-engineered materials resist collapse under vacuum
• Engineered to resist electrochemical degradation, the leading cause of hose failure
• Pre-shaped to fit and to ensure perfectly sealed conditions
• EPDM tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover
• Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
• Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
• Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
• Caution: Do not use for fuel or oil transfer applications

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

This Litens supplied pulley is manufactured to original equipment specifications. This part is specifically designed for Mack / Volvo applications. Heavy duty steel pulley construction ensures long life and trouble-free performance. This pulley meets or exceeds all original equipment fit, form, and performance characteristics. 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 genuine Litens Idler Pulley is manufactured by the original equipment part supplier to ensure proper form, fit, and performance. All O.E. pulley hardware is included to reduce install time. Part designed for Mack / Volvo applications. Like the OE part, all hardware is included. 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:

• Manufactured by the Original Equipment supplier.
• All OE Hardware included: Bolt, Dust Shield, Spacer.
• Heavy Duty Steel Pulley
• Smooth/Backside Pulley.
• Idler Pulley – Fan and W.P. Drive

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

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

Product Features:

• Specifically-engineered materials resist collapse under vacuum
• Engineered to resist electrochemical degradation, the leading cause of hose failure
• Pre-shaped to fit and to ensure perfectly sealed conditions
• EPDM tube: synthetic fiber knit reinforcement: heat-, ozone- and chemical coolant-resistant EPDM cover
• Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
• Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
• Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
• Caution: Do not use for fuel or oil transfer applications

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