2008 Hummer H3 Engine Parts
Select Your Submodel
- Engine Assemblies
- Motor Mounts
- Engine Blocks
- Valves & Valvetrain Parts
- Pistons, Rings & Connecting Rods
- Oil Filters
- Serpentine Belts & Auxiliary Drive Belts
- Valve Covers
- Timing Gears, Chains & Covers
- Oil Pans, Drain Plugs & Dipsticks
- Cylinder Heads
- Timing Belts
- Engine Pulleys
- Engine Sensors, Relays, Switches & Connectors
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Management Systems
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Oil Catch Cans
- Balance Shafts
- Engine Swap Kits
- Throttle Bodies
- Motor Oils
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TRQ®Drive Belt TensionerHummer H3 3.7L 2008, Drive Belt Tensioner by TRQ®. Want to get rid of the rattling noise coming from the timing cover area? This high-grade TRQ drive belt tensioner is exactly what you need. Built to meet or exceed the OEM...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$49.87$51.95Save $2.08 (4%) - ACDelco®GM Original Equipment™ Drive Belt Idler PulleyHummer H3 5.3L 2008, GM Original Equipment™ Drive Belt Idler Pulley by ACDelco®. Designed utilizing the latest technology, this GM Original Equipment™ Drive Belt Idler Pulley by ACDelco features premium quality and will perform...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$49.37
- Four Seasons®Drive Belt Idler PulleyHummer H3 2008, Drive Belt Idler Pulley by Four Seasons®. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts experience, fix it once and fix it right with Four Seasons.Made with precision and quality in mindDesigned to meet your specific needs$15.03 - $29.04
- Mahle®Molded Rubber Engine Oil Pan GasketHummer H3 5.3L with Chevy Small Block Generation III/IV LS-Based Engine 2008, Molded Rubber Engine Oil Pan Gasket by Mahle®. Designed utilizing the latest technology, this product by Mahle features premium quality and will perform...Made with precision and quality in mindDesigned to meet your specific needs$38.13
- ACDelco®Genuine GM Parts™ Passenger Side Engine MountHummer H3 2008, Genuine GM Parts™ Passenger Side Engine Mount by ACDelco®. GM Genuine Parts engine mounts bolt your vehicle’s engine in place and are designed to function with all surrounding components providing minimal...Lined with rubber to help reduce engine vibrationManufactured to GM OE specification for fit, form, and function$133.06 - $312.62
- Dorman®OE Solutions™ Aluminum Timing Chain CoverHummer H3 2008, OE Solutions™ Aluminum Timing Chain Cover by Dorman®. This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing...Direct replacement - this engine timing cover matches the fit and function of the original equipment coverDurable construction - this part is specifically designed to withstand extreme underhood temperatures for a long service life$86.15 - $122.46
- ACDelco®Genuine GM Parts™ Rear Crankshaft Seal HousingHummer H3 2008, Genuine GM Parts™ Rear Crankshaft Seal Housing by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$61.19 - $127.40
- Dorman®TECHoice™ Idler PulleyHummer H3 2008, TECHoice™ Idler Pulley by Dorman®. This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly...Direct replacement - this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehiclesRestores performance - fixes a failed, squealing or groaning noise from a worn idler pulley$10.58 - $20.56
- Dorman®TECHoice™ Regular Drive Belt Idler PulleyHummer H3 3.7L with A/C 2008, TECHoice™ Regular Drive Belt Idler Pulley by Dorman®. This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle...Direct replacement - this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehiclesRestores performance - fixes a failed, squealing or groaning noise from a worn idler pulley$17.27
- Dorman®OE Solutions™ Driver Side Valve Cover KitHummer H3 5.3L 2008, OE Solutions™ Driver Side Valve Cover Kit by Dorman®. With Gasket & Bolts. Save time and money with the Dorman Engine Valve Cover. The engine valve cover is designed to protect the cylinder head, and its...Direct replacement - this valve cover matches the original equipment part for fit and functionDurable construction - this valve cover is made of quality materials to withstand extreme temperatures to resist leaking$98.32
- Dorman®OE Solutions™ Passenger Side Valve CoverHummer H3 5.3L 2008, OE Solutions™ Passenger Side Valve Cover by Dorman®. Save time and money with the Dorman Engine Valve Cover. The engine valve cover is designed to protect the cylinder head, and its components, along with sealing...Direct replacement - this valve cover matches the original equipment part for fit and functionDurable construction - this valve cover is made of quality materials to withstand extreme temperatures to resist leaking$66.00
- Apex Auto®Engine Oil Pan Gasket SetHummer H3 5.3L 2008, Engine Oil Pan Gasket Set by Apex Auto®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...Made with precision and quality in mindDesigned to meet your specific needs$31.88
- Continental® ContiTech™Conti-V Multirib™ Serpentine BeltHummer H3 2008, Conti-V Multirib™ Serpentine Belt by Continental® ContiTech™. Designed to transmit torque and drive engine accessories, this serpentine belt provides quieter and cooler performance, greater durability, and maximum...OE quality product for safe, reliable, and efficient performanceProvides quiet performance, even in wet conditions$18.58 - $29.38
- Dorman®OE Solutions™ Oil Pressure SensorHummer H3 2008, OE Solutions™ Oil Pressure Sensor by Dorman®. This replacement oil pressure sensor is a direct replacement for the original sensor on specified applications. It is ruggedly designed and built to withstand required...Ideal replacement - this oil pressure sensor directly replaces the original sensor on specified vehicles and applicationsDurable construction - this sensor is specifically designed to withstand pressure and temperature extremes for reliable performance and accurate measurement$30.28
- SKP®Timing Chain KitHummer H3 3.7L 2008, Timing Chain Kit by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$134.97
- Apex Auto®Cylinder Head Gasket SetHummer H3 2008, Cylinder Head Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Quick accurate delivery with excellent fill-rateExcellent inventory availability$117.46 - $140.78
- TRQ®Drive Belt Idler PulleyHummer H3 2008, Drive Belt Idler Pulley by TRQ®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$25.33 - $40.80$26.95 - $42.95Save up to 6%
- ACDelco®Professional™ Drive Belt Tensioner AssemblyHummer H3 2008, Professional™ Drive Belt Tensioner Assembly by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability$41.20 - $50.52
- Delphi®Camshaft Position SensorHummer H3 2008, Camshaft Position Sensor by Delphi®. Delphi sensors use the Hall Effect or magneto resistive (MR) principles for accurate and clean signal input to the electronic control module (ECM). The result is more design...Extensive coverageApplications for ignition (camshaft and crankshaft position and speed), transmission (vehicle or engine speed) and anti-lock braking systems (wheel speed)$31.44 - $33.99
- Melling®Oil PumpHummer H3 5.3L 2008, Oil Pump by Melling®. Designed utilizing the latest technology, this Engine Oil Pump by Melling features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$77.42 - $158.64
- Fel-Pro®Crankshaft SealHummer H3 2008, Crankshaft Seal Kit by Fel-Pro®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...Application specific design to ensure a perfect fitMeets or exceeds all original equipment specifications$22.29 - $25.11
- ACDelco®Genuine GM Parts™ Engine Control ModuleHummer H3 2008, Genuine GM Parts™ Engine Control Module by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.97 - $283.19
- Dayco®Poly Rib™ Serpentine BeltHummer H3 2008, Poly Rib™ Serpentine Belt by Dayco®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Made with precision and quality in mindDesigned to meet your specific needs$20.59 - $47.61
- Dayco®Poly Rib™ W-Profile Poly Rib BeltHummer H3 5.3L 2008, Poly Rib™ W-Profile Poly Rib Belt by Dayco®. Length: 93.5". This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...Made with precision and quality in mindDesigned to meet your specific needs$28.40
- Mitsuboshi®Stretch Fit Accessory Drive BeltHummer H3 5.3L 2008, Stretch Fit Accessory Drive Belt by Mitsuboshi®. Do you hear chirping or squealing noise? Has the "power" disappeared from your steering? Does your engine crank slowly and are your lights dim? You may need accessory...Made with precision and quality in mindDesigned to meet your specific needs$33.13
- ACDelco®Genuine GM Parts™ Connecting Rod Bearing SetHummer H3 2008, Genuine GM Parts™ Connecting Rod Bearing Set by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$21.01 - $21.52
- ACDelco®GM Original Equipment™ Camshaft Position SensorHummer H3 2008, GM Original Equipment™ Camshaft Position Sensor by ACDelco®. Designed utilizing the latest technology, this GM Original Equipment™ Camshaft Position Sensor by ACDelco features premium quality and will perform better...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$31.75 - $44.36
- ACDelco®GM Original Equipment™ Oil Pressure SensorHummer H3 5.3L 2008, GM Original Equipment™ Oil Pressure Sensor by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$47.31
- Spectra Premium®Camshaft Position SensorHummer H3 2008, Camshaft Position Sensor by Spectra Premium®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology$19.47 - $28.44
- Mahle®Cylinder Head GasketHummer H3 2008, Cylinder Head Gasket by Mahle®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$48.02 - $252.77
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2008 Hummer H3 Engine Reviews
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First Time Changing an Engine
Replace® - 3.7L DOHC Remanufactured Complete EnginePosted by Ralph (San Benito, TX) / November 02, 20192008 Hummer H3
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