Mack MRU Belts and Hoses

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

Product Features:

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

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

Product Features:

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

Dayco believes in a systems approach to maintenance and has a full line of serpentine belt kits that have been designed for the most popular applications, ensuring that whomever is completing the repair has all the parts needed. Dayco’s kit offers everything to service your front-end accessory drive with OE or equivalent components. This can include a premium tensioner with flat spring technology, durable pulley(s) with permanently lubricated bearings, a Dayco ela (stretch) serpentine belt, and the Dayco serpentine belt that provides extensive flexibility and longer service life, while handling higher workloads & temperatures.

Product Features:

• Engineered to match OE specifications with unique features that enhance vehicle performance and safety.
• For vehicles that need a highly engineered drive belt and multiple parts for a thorough and proper repair
• For vehicles that need a highly engineered drive belt and multiple parts for a thorough and proper repair

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

Product Features:

• Optimized components engineered for maximum strength and durability
• The patented design ensures superior belt alignment and tension, thereby improving transmission efficiency and lifespan.
• The labyrinth-shaped seal prevents contamination of internal parts, thereby maximizing durability and lifespan.
• Long-lasting steel pulleys with dust shields to protect internal bearings from contamination
• Double-row bearings support more load and last up to 3 times longer than two individual bearings
• Chrome-silicone round torsion spring for less flex-fatigue than flat-spring designs
• Patented damping mechanism provides maximum stability, reducing vibration and increasing the life of the belt, tensioner and other accessory drive components

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

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:

• Distinctive blue cover
• It resists weathering, ozone, heat, and refrigerant 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

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

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

Product Features:

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

Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.

Product Features:

• Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
• Designed to last with superior resistance to dirt, salt, chemicals and other engine compartment contaminants.
• Original equipment quality suitable for virtually all domestic or imported vehicles in the current vehicle fleet
• The bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high temperatures under the hood.
• High-end bearings eliminate bearing noise
• Mounting hardware included for some popular applications
• Reliable operation in difficult conditions

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

This pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for MACK (CTP Series 2007, CXU Series 2008-15, GU Series 08-15, LEU 07-15, MRU 07-15) (Volvo 12-13 and VN Series 07-142007 Mack, CTP Series, Mack MP7 Diesel, Idler Pulley – Fan. It’s a serpentine belt routing application and conforms to original equipment material, tolerances, and specifications. This replacement part is made to the O.E. specified design and meets all performance and durability requirements. Heavy Duty Steel Pulley with double 6203 close tolerance ball bearings pocket for rugged durability and Electro-deposited coating for superior corrosion resistance. 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.

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.

Product Features:

• The patented material provides maximum performance at extreme and prolonged 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
• Troubleshooting designed for the most challenging applications
• It consistently outperforms other heavy-duty serpentine belts on the market
• Designed to save your fleet money and reduce downtime
• Replacing the tensioner is recommended (if the vehicle is equipped with one).

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:

• The special belt construction eliminates noise, reduces tension loss, and solves transmission problems.
• EPDM rubber constructions resist cracking on the surface of the ribs
• Meets or exceeds all original equipment manufacturer specifications.
• Replacing the tensioner is recommended (if the vehicle is equipped with one).
• Unique form grinding of each individual belt assures precise dimensional control.
• Meets or exceeds SAE J1459, SAE J2432, and SAE J1596 specifications.

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.

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

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.

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

Product Features:

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