$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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HUMMER H3 Engines & Components

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Results 1 - 24 of 37

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ACDelco GM Genuine Parts Engine Valve Lifter Guides

ACDelco GM Genuine Parts engine valve lifter guides keep the lifters from rotating. These GM-recommended replacements deliver peace of mind that the fit, form, and function are of the highest standards. Order the guides designed for your GM year/make and engine application.

5.0 out of 5 stars ( 5 )

$13.99

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ACDelco GM Genuine Parts Lifter Valley Plates

ACDelco GM Genuine Parts lifter valley plates are designed, engineered, and tested to rigorous standards--and backed by General Motors. They're available in a variety of styles for vehicles from the 1990s and up. These true OE replacement parts offer a precise fit for an easier install. For optimal performance, stay with the brand your vehicle came with: GM Genuine Parts.

5.0 out of 5 stars ( 2 )

$166.99

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ACDelco GM Genuine Parts Hydraulic Roller Lifters

ACDelco GM Genuine Parts hydraulic roller lifters are designed as direct replacements for your engine, offering the quality, reliability, and durability of GM OE. They automatically help maintain a "zero" valve lash condition to help prevent valvetrain noise and unnecessary component wear. Stay with the parts brand your vehicle came with; order the lifters tailored for your specific GM make/model.

4.0 out of 5 stars ( 4 )

$34.99

$124.99

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ACDelco GM Genuine Parts Harmonic Balancers

ACDelco GM Genuine Parts harmonic balancers help reduce torsional vibrations by connecting to the crankshaft of your vehicles engine. They serve as pulleys for your engine's accessory drive belts, and are GM recommended replacements for your vehicle's original component. These GM Genuine Parts harmonic balancers have been manufactured to fit your GM vehicle, providing you with the same performance, durability, and service life you expect from General Motors.

4.94 out of 5 stars ( 48 )

$114.99

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ACDelco Timing Covers

ACDelco offers engine timing covers for a variety of cars, trucks, vans, and SUVs. The aluminum replacements are available in different configurations for factory-style fitment. Some models also include gaskets and hardware. These parts are designed, engineered, and tested to rigorous standards—backed by General Motors. Order the OE direct-fit timing cover recommended for your vehicle.

5.0 out of 5 stars ( 3 )

$41.99

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ACDelco GM Genuine Parts Harmonic Balancer Fastener Bolts

ACDelco GM Genuine Parts harmonic balancer bolts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These bolts fasten vehicle components together. GM Genuine Parts are the true OE parts installed during the production or validated by General Motors for GM vehicles.

5.0 out of 5 stars ( 1 )

$6.99

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ACDelco GM Genuine Parts Rocker Arms

ACDelco GM Genuine Parts rocker arms are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These are the true OE parts installed during the production of or validated by General Motors for GM vehicles. That means the purchase of ACDelco GM Genuine Parts rocker arms will provide the correct fit and performance, delivering an easier install along with the optimal operation in your vehicle. The rocker arms are offered in different styles, ratios, and mounting options. They're available for hundreds of applications.

5.0 out of 5 stars ( 1 )

$16.99

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ACDelco Valve Covers

ACDelco offers valve covers for a wide range of vehicle and engine applications. They're available in many styles, materials, finishes, and other options—combining performance and good looks under the hood. Their durable construction resists warping and maintains shape at the rails for excellent gasket sealing. Nearly a hundred models are available; select the replacement valve covers recommended for your ride.

5.0 out of 5 stars ( 1 )

$89.99

$139.99

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ACDelco GM Genuine Parts Engine Oil Sump Windage Trays

ACDelco GM Genuine Parts engine oil sump windage trays 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. These crankshaft oil deflectors are available for a variety of vehicles, including many Chevrolet and Pontiac applications. Order the replacement model recommended for your ride.

5.0 out of 5 stars ( 1 )

$43.99

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ACDelco Engine Oil Pumps

ACDelco engine oil pumps are true OE parts that are made for your GM vehicle to deliver the ultimate in quality and reliability—at a price you can afford. Backed by General Motors, these genuine factory replacements are manufactured from premium materials using state-of-the-art equipment to provide proper fit and performance. Models are available for nearly a thousand year/make and engine applications from the early 2000s and up.

4.33 out of 5 stars ( 6 )

$126.99

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ACDelco Drive Belt Tensioners

ACDelco drive belt tensioners keep your belts just right—not too loose, not too tight. They offer a perfect complement to the full line of ACDelco belts with high-quality bearings that resist dirt and salt. Hundreds of models are available, with a variety of pulley styles. Reduce belt wear and keep them taut with the long-lasting replacement drive belt tensioner designed to fit your application.

4.51 out of 5 stars ( 39 )

$50.99

$69.99

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ACDelco GM Genuine Parts Engine Connecting Rods

ACDelco GM Genuine Parts engine connecting rods 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.

Not Yet Reviewed

$169.99

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ACDelco Gold Oil Filters

An engine running on dirty oil won't last. Keep it clean with an ACDelco Gold oil filter. They help trap particles up to 25 microns, or one-third the width of a human hair, thereby improving the quality, performance, and lifespan of your engine. ACDelco makes oil filters to fit 99 percent of all cars, light trucks, and sport utility vehicles on the road today. Order the model designed for your engine application. Additional features include: * Excellent filter capacity, enhanced efficiency, consistent flow management, and high durability * Tight seals to prevent unfiltered oil from entering your engine * Consistent, dependable oil filtration throughout the filters

4.6 out of 5 stars ( 179 )

$4.99

$6.99

Summit Bucks

ACDelco GM Genuine Parts Idler Pulleys

ACDelco GM Genuine Parts idler pulleys are a part of the accessory belt system on the front of the engine. These pulleys are GM recommended replacement parts for your vehicle's original component. Pulleys can be ribbed or smooth, contain a sealed ball bearing, and are used to divert the drive belt to the components, such as the alternator, water pump, or power steering pump. GM Genuine Parts idler pulleys have been manufactured to fit your GM vehicle, providing you with the same performance, durability, and service life you expect from General Motors.

4.8 out of 5 stars ( 25 )

$76.99

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ACDelco Ultraguard Gold Engine Oil Filters

ACDelco Ultraguard Gold engine oil filters are high-quality replacements for your original equipment. These filters trap debris and other contaminants before they enter the engine lubrication system. ACDelco Gold parts are manufactured to meet your expectations for fit and performance, making them a smart choice for most makes and models, including special applications. Order the size and other options recommended for your vehicle.

5.0 out of 5 stars ( 21 )

$9.99

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ACDelco Serpentine Belt Drive Component Kits

ACDelco serpentine belt drive component kits are professional, premium aftermarket replacements for a variety of GM and non-GM applications. The kits include a serpentine belt, idler, tensioner, and supporting hardware with detailed installation instructions. Packaging these components together makes repair or replacement a simple, precise task.

5.0 out of 5 stars ( 4 )

$127.99

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ACDelco GM Genuine Parts Engine Valve Springs

ACDelco GM Genuine Parts engine valve springs 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. These replacement springs are made from factory materials--and are available for over a thousand vehicle applications from Chevy, Buick, Hummer, Pontiac, Cadillac, GMC, Isuzu, and Saab.

5.0 out of 5 stars ( 1 )

$5.99

Summit Bucks

ACDelco Timing Chain Tensioners

ACDelco timing chain tensioners keep the pressure on! For your vehicle to run at optimum performance, your timing chain must be operating efficiently. These replacement tensioners will ensure your chain is in consistent working order to keep your engine marching "in time." The precision-machined and assembled parts offer an exact fit with a design for increased durability. Find the model designed for your application, then keep your timing chain in line with an ACDelco tensioner.

5.0 out of 5 stars ( 10 )

$39.99

Summit Bucks

ACDelco Gold Idler Pulleys

ACDelco Gold idler pulleys are built to offer reliable operation under severe conditions. They're dependable in any weather or climate offering, you year-round performance. Mounting hardware is included on some popular applications. These pulleys are manufactured to meet or exceed your expectations for fit, form and function. Order the model recommended for your vehicle.

4.38 out of 5 stars ( 13 )

$15.99

$29.99

Summit Bucks

ACDelco GM Genuine Parts Replacement Bolts

ACDelco GM Genuine Parts replacement bolts are available for a variety of applications, including transmission torque converter housings. Installing factory-recommended hardware helps to ensure the same performance, durability, and service life you expect from General Motors.

3.29 out of 5 stars ( 14 )

$3.99

Summit Bucks

ACDelco V-Ribbed Serpentine Belts

ACDelco V-ribbed serpentine belts resist the penetration of water, acids, and ozone--plus, they provide broad temperature tolerances. Their patented advanced technology design incorporates EPDM rubber, which stays soft and pliable longer than traditional belt materials. Neoprene and certain grades of rubber can harden, causing unwanted squealing and a shorter belt life. The flexible construction of these serpentines allows each belt to withstand many topside and backside bends. ACDelco offers their V-ribbed replacement belts in various lengths, widths, and rib quantities for a wide range of fitments.

4.89 out of 5 stars ( 36 )

$31.99

$35.99

Summit Bucks

ACDelco GM Genuine Parts Rocker Arm Shaft Supports

ACDelco GM Genuine Parts rocker panel arm shaft supports are designed, engineered, and tested to rigorous standards by General Motors and are the same as the OE parts installed during vehicle production. These GM-recommended replacements are manufactured for a precise fit and function as intended, contributing to the overall longevity and reliability of your engine. Choose the supports designed for your vehicle year/make/model.

Not Yet Reviewed

$53.99

Summit Bucks

ACDelco Gold Tensioner Pulleys

ACDelco Gold tensioner pulleys are high-quality aftermarket replacements for many vehicles on the road today. These components are built from premium materials and will exceed your expectations for fit and performance. Order the model recommended for your vehicle.

3.0 out of 5 stars ( 1 )

$25.99

Summit Bucks

ACDelco GM Genuine Parts Camshaft Bearings

ACDelco GM Genuine Parts camshaft bearings are true OE parts installed during production of or validated by General Motors for GM applications. They're designed, engineered, and tested to rigorous standards to ensure the correct fit and function in your vehicle. These bearings are machined from steel-backed bronze alloy and are available in a variety of diameters. For a stress-free install and predictable performance, service your vehicle with direct-fit replacement parts from ACDelco.

3.0 out of 5 stars ( 2 )

$34.99

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