Name: Automatic Belt Tensioner
Brand: Dorman
SKU: 419-126
Price: 107.99 USD

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$107.99

This accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles. It is engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue.

Product Features:

Direct replacement – this accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles
Ideal solution – engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

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$55.99

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.

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

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$24.79

Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong pl

Product Features:

Designed for the majority of automotive vehicle applications on the road today
High-quality materials help resist wear and improve belt life
Features premium lubricated bearings to extend service life
Meets or exceeds OE quality

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$18.29

Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.

Product Features:

Meets the requirements of SAE J20R3, Class D-1
Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
Engineered as an OEM replacement
The knitted polyester reinforcement provides high burst strength and resists degradation from temperature extremes and moisture

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$38.49

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

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$47.99

GM Genuine Parts PCV Valve Hoses are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$248.99

GM Genuine Parts Fuel Return Hoses are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
GM regularly updates production and service part designs to integrate new materials and technologies

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$67.99

Pinion and axle seal puller. No return.

Product Features:

Seal puller

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$33.49

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 the U.S.A. to the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction. 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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$31.75

The Dayco Accessory Belt Idler Pulley is a direct fit OEM replacement that contains the same high quality craftsmanship as the original equipment it replaces.

Product Features:

OE-Equivalent and a direct fit application.
Precision bearing
OE High quality pulley assembly
Durable long life performance.

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$101.99

This replacement fuel line is made to safely transfer fuel and endure in tough underhood and undercar conditions.

Product Features:

Trustworthy replacement – this fuel line safely replaces the original fuel line to fix fuel leaks
Durable design – withstands tough underhood and undercar conditions
Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
Comprehensive solutions – this fuel line is part of a diverse collection of fuel line repair solutions

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$59.99

This engine oil cooler hose assembly matches the fit and function of the original equipment components for reliable repair and restoration of proper oil circulation between the oil cooler and engine.

Product Features:

Ideal replacement – this engine oil cooler hose assembly is a direct replacement for the original hose assembly
Quality materials – this engine oil cooler hose assembly is made from corrosion-resistant materials to ensure the smooth transfer of oil from the engine to the cooler
Easy to install – no special tools required
Quality tested – rigorous quality control ensure this hose assembly conforms to product standards

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$226.92

Designed to resist corrosion and leakage, Dorman’s Engine Oil Cooler Hose Assembly is engineered for long-lasting performance. Ensure the smooth transfer of oil from the engine to the cooler, and protect your engine in the process.

Product Features:

Upgraded from steel and/or rubber construction to corrosion-resistant aluminum (where applicable)
Includes clips and gaskets (where applicable)
Direct replacement for trouble-free installation
Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards

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$41.99

Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.

Product Features:

Has all the quality features of Gates molded coolant hose and similar to OEM specifications
Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
EPDM tube, synthetic fiber knit reinforcement, EPDM cover
Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
Temperature Range: -40 Deg. F to 275 Deg. F (-40 Deg. C -135 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

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$1.49

Premium hose constructed for long service life.

Product Features:

Good resistance to high temperatures for extended periods of time, which prolongs service life
Meets SAE 20R3 Standard Wall Class D-2 requirements
Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
CAUTION: Do not use for fuel or oil transfer applications
CAUTION: Do not use for fuel or oil transfer applications
PLEASE NOTE: Item is priced and sold by the foot. See store for details.

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$42.46

Drive Belt

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$88.03

ACDelco Professional, premium aftermarket V-Ribbed Advanced Technology Belts serve as replacement belts for accessory belt drive systems (ABDS) and other serpentine belt applications. They are designed using advanced manufacturing technology and premium EPDM rubber construction to provide customers with superior accessory belt drive systems (ABDS) and new-vehicle-type performance. These premium aftermarket replacement v-ribbed advanced technology belts are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:

Made with temperature and crack resistant EPDM rubber for a long life and quiet, dependable performance
Is the belt of choice by professional technicians, lasting 50% to 60% longer than retail belts (low priced belts sold at car part stores)
Its precision dimension control of rib profile transmits load efficiently throughout the accessory belt drive systems (ABDS) allowing components to operate at optimum levels
Able to operate and accept misalignment in the accessory belt drive systems (ABDS) far greater than other serpentine belts
Its flexible construction allows the belt to withstand billions of topside and backside bends resulting in a long belt life

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$56.99

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.

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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$212.99

This radiator coolant hose is designed to match the fit and function of the original hose on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this radiator coolant hose is designed to match the fit and function of the original hose on specified vehicles
Restores functionality – reliable replacement for an original hose that has failed due to heat and fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$82.99

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

Product Features:

Heat and ozone resistant cover.
Engineered to resist electrochemical degradation – the leading cause of hose failure.
Re-engineered materials resist vacuum collapse. This reduces the need for internal springs in many applications.
Meets SAE 20R4 and 20R3 Type EC Class D-1 and D-2 specifications.
Temperature Rating: -40° F to 275° F (-40° C to 135° C) in coolant hose applications.
Note: Gates recommends replacing standard worm drive and spring loaded clamps with Gates PowerGrip(R) SB Clamps each time a new coolant hose is installed.

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$325.99

Modular coolant hoses are on many of today’s vehicles and are much more complex than the standard molded hoses of the past. Modular coolant hoses are hose assemblies with one or more components built into the hose. Some examples of these components include hose branches, quick connectors, valves, sensors, bleeders and flow restrictors. Manufactured identical or equivalent to the OE hose, modular coolant hoses will keep your vehicle’s cooling system running properly and efficiently for years to come.

Product Features:

Specifically-engineered materials resist collapse under vacuum
Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
EPDM tube: synthetic fiber knit reinforcement, heat-, ozone- and chemical coolant-resistant EPDM cover
Manufactured with OEM-exact hose components (quick connects, branch connectors/tees, sensors, etc.)
Meets SAE 20R3 EC Class D1 under 25mm (1 in.) ID, SAE 20R4 EC Class D1 for 25mm (1 in.) ID and over
Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
Note: Gates recommends replacing clamps each time a new coolant hose is installed
Caution: Do not use for fuel or oil transfer applications

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$21.79

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

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$49.49

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 light-duty 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 and 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
Provides all the parts needed in one box, helping simplify installation

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$114.99

Product Features:

Designed for convenience, easy parts sourcing and reduced customer comebacks
Includes serpentine belt with premium EPDM construction, tensioner, applicable idler pulleys and applicable tensioner hardware
Meets or exceeds OE standards in form, function and fit
NOTE: Kit contents vary depending on specific needs of vehicle kit application

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$96.99

Engineered specifically for the most problematic drive systems as an improvement over the OE design, Dayco demanding drive kits come in 14 applications that contain all necessary front-end accessory components to ensure a safe, reliable and noise-free belt drive system. Each kit includes up to two serpentine belts, a premium tensioner with flat spring technology and an idler pulley.

Product Features:

Custom engineered to cover 35 million problem drive vehicles in operation
Designed as an improvement over OE to address problematic drive systems
Features a specially designed serpentine belt with specific compounds that mitigate noise

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$28.99

This pulley is manufactured by Litens Automotive the 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 is made in Canada using the O.E. specified design and meets all performance and durability requirements. Heavy duty thermoplastic construction 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.

Product Features:

Manufactured by Litens, the largest original equipment tensioner and pulley supplier in the world, to ensure proper form, fit, and performance.
Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
OE-spec sealed ball bearings with synthetic grease and double lip seals for long life

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$33.99

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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$38.49

Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.

Product Features:

Designed for the majority of automotive vehicle applications on the road today
High-quality materials help resist wear and improve belt life
Features premium lubricated bearings to extend service life
Meets or exceeds OE quality

2012 Chevrolet Express 3500 Belts and Hoses

More 2012 Chevrolet Express 3500 Belts and Hoses Categories

Essential 2012 Chevrolet Express 3500 Belts and Hoses

Dorman – Automatic Belt Tensioner (Part No.419-126)

Driveworks – Poly Rib Belt Serpentine Belt; 98.5 Long, 6 Rib Count (Part No.985K6)

Dayco – Serpentine Idler/Tensioner Pulley; Steel, 76mm Dia., 30.1mm Width, 6 Grooves (Part No.89051)

Dayco – Molded Heater Hose; EPDM Rubber, 7/8 Inch Diameter, 4 1/2 Inch Length (Part No.88445)

Gates – Premium Molded Coolant Hose (Part No.22357)

GM Genuine Parts – Crankcase Vent Hose (Part No.12556932)

GM Genuine Parts – Fuel Return Hose (Part No.12639000)

Yukon Gear – Seal Puller Tool (Part No.56063)

Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 90 mm Diameter (Part No.900052A)

Dayco – Dayco, Acc. Belt Idler Pulley (Part No.G6020926350DAY)

Dorman – Metal Fuel Line: 18" Long (Part No.800-907)

Dorman – Engine Oil Cooler Line (Part No.625-130)

Dorman – Oil Cooler Hose (Part No.A6200719661DOR)

Gates – Premium Molded Heater Hose (Part No.18129)

Gates – Straight Heater Hose: EPDM, Direct Fit, 0.625" Inside Diameter (Sold by foot) (Part No.28411)

Bando – Drive Belt (Part No.W10002399867BAN)

ACDelco – Professional V-Ribbed Serpentine Belt (Part No.W1000603886ACD)

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 31" Long, 1.28" Diameter (Part No.E72377)

Dorman – Radiator Coolant Hose (Part No.626-727)

Gates – Molded Coolant Hose (Part No.22756)

Gates – Premium Modular Coolant Hose (Part No.23259)

Gates – Premium Molded Coolant Hose (Part No.21717)

Dayco – Serpentine Belt Kit; With Belt and Tensioner, 2 Piece Set (Part No.5040378K1)

Gates – Complete+ Serpentine Belt Drive Component Kit (Part No.90K-38159)

Dayco – Serpentine Demanding Drive Kit; With Belt, Pulley and Tensioner, 3 Piece Set (Part No.D60950K1)

Litens – O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 76 mm Diameter (Part No.900027A)

Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.36239)

Dayco – Serpentine Idler/Tensioner Pulley; Steel, 76mm Dia., 30mm Width, Smooth (Part No.89165)

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2012 Chevrolet Express 3500 Belts and Hoses

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