2003 GMC Sierra Timing Gears, Chains & Covers
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Cloyes®Engine Timing SetGMC Sierra 2003, Engine Timing Set by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has the...Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing$28.39 - $335.03 - iD Select®Engine Timing SetGMC Sierra 2003, Engine Timing Set by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form, and function as your factory...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$43.43 - $67.43
- Cloyes®Outer Crankshaft SprocketGMC Sierra 2003, Outer Crankshaft Sprocket by Cloyes®. 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$9.82 - $21.38
- DNJ Engine Components®Engine Timing SetGMC Sierra 2003, Engine Timing Set with 3 Bolt 1 Sensor Hub Cam Gear by DNJ Engine Components®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...Designed to replace your malfunctioning partsHelps get your vehicle back to it's original performance$42.75
- Cloyes®Upper Timing Chain TensionerGMC Sierra 4.3L 2003, Upper Timing Chain Tensioner by Cloyes®. A timing chain tensioner maintains appropriate tension in the timing chain system. Depending on the OE design, tensioners can use spring tension and/or hydraulic pressure to...Cloyes utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experienceAll Cloyes timing chain tensioners meet or exceed OEM performance requirements$48.44
- ACDelco®GM Genuine Parts™ Engine Timing Cover Alignment DowelGMC Sierra 8.1L 2003, GM Genuine Parts™ Engine Timing Cover Alignment Dowel by ACDelco®. GM Genuine Parts Multi Purpose Pins are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine...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$8.88Save: $1.43 (16%)$7.45
- Melling®485 High Performance™ Adjustable Engine Timing SetGMC Sierra 4.8L / 5.3L / 6.0L 2003, 485 High Performance™ Adjustable Engine Timing Set by Melling®. Melling timing chain kits provide an efficient and economical way to provide the timing components needed for a quality engine...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$177.06
- ACDelco®Genuine GM Parts™ Timing Cover GasketGMC Sierra 2003, Genuine GM Parts™ Timing Cover Gasket 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 mind....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$44.64 - $85.31Save: 16%$37.68 - $72.08
- Dorman®OE Solutions™ Timing Chain CoverGMC Sierra 2003, OE Solutions™ 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 to ensure...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$39.26 - $80.38
- SKP®Timing Chain KitGMC Sierra 4.8L 2003, 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$23.85
- ACDelco®Genuine GM Parts™ Crankshaft SprocketGMC Sierra 2003, Genuine GM Parts™ Crankshaft Sprocket 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 mind....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$43.78 - $86.78Save: 15%$37.04 - $73.77
- Genuine®Timing CoverGMC Sierra 6.0L 2003, Timing Cover by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials using...Made with precision and quality in mindDesigned to meet your specific needs$58.40
- Mahle®Timing Cover Gasket SetGMC Sierra 2003, Timing Cover Gasket Set 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$31.57 - $85.79
- ACDelco®Genuine GM Parts™ Camshaft SprocketGMC Sierra 4.8L / 5.3L / 6.0L 2003, Genuine GM Parts™ Camshaft Sprocket 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$43.41Save: $6.73 (16%)$36.68
- SKP®Timing Cover GasketGMC Sierra 2003, Timing Cover Gasket 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$18.56
- SKP®Timing Cover Gasket SetGMC Sierra 4.8L 2003, Timing Cover Gasket Set 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$17.52
- Apex Auto®Timing Cover Gasket SetGMC Sierra 2003, Timing Cover Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...Made with precision and quality in mindDesigned to meet your specific needs$21.61 - $32.64
- ACDelco®GM Original Equipment™ Timing ChainGMC Sierra 2003, GM Original Equipment™ Timing Chain by ACDelco®. Designed utilizing the latest technology, this GM Original Equipment™ Timing Chain by ACDelco features premium quality and will perform better than advertised....Dictates the operation of your vehicle's vital systems, which is critical to the performance of your vehicleGM-recommended replacement part for your GM vehicle's original factory component$79.91 - $138.78Save: 16%$67.37 - $117.26
- iD Select®Engine Timing ChainGMC Sierra 2003, Engine Timing Chain by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form, and function as your factory...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$30.71 - $55.11
- Genuine®Camshaft GearGMC Sierra 4.8L / 5.3L / 6.0L 2003, Camshaft Gear by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium...Made with precision and quality in mindDesigned to meet your specific needs$48.72
- Cloyes®Front Camshaft SprocketGMC Sierra 2003, Front Camshaft Sprocket by Cloyes®. 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$18.76 - $29.95
- Cloyes®Timing ChainGMC Sierra 2003, Timing Chain by Cloyes®. 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 perfect...Perfect for upgrading your fuel injection systemMade with the use of the highest quality materials$21.20 - $214.69
- Cloyes®Timing Gear SetGMC Sierra 4.3L 2003, Timing Gear Set by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes has...Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing$59.37
- Pioneer Automotive®Timing CoverGMC Sierra 2003, Timing Cover by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$39.53 - $59.04
- COMP Cams®Timing CoverGMC Sierra 1500 2003, Timing Cover by COMP Cams®. This high-grade product was designed with craftsmanship and key attention to detail and manufactured using leading-edge innovations by experienced and knowledgeable engineering staff. It...Eliminate timing cover flex which causes erratic ignition timingAllow camshaft to be replaced without disturbing the oil pan seal$309.95 - $360.95
- ATP®Engine Timing CoverGMC Sierra 1500 2003, Engine Timing Cover by ATP®. ATP Graywerks Timing Covers are a high quality OE replacement alternative. All covers are developed to originally specified designs, for a proper fit. The parts are manufactured either...OE fit form and performance ensures the best fit and protection from impurities against the timing componentsHigh quality construction provide a long lasting replacement$41.65
- Livernois Motorsports®Powerstorm™ Timing ChainGMC Sierra 1500 5.3L 2003, Powerstorm™ Timing Chain by Livernois Motorsports®. Powerstorm C5-R Timing Chain was created to upgrade the timing chains on GM V8 applications to C5-R specs which have never broken in all racing and...High quality at an affordable priceExpertly made from premium materials$109.99
- Preferred Components®Full Roller Timing ChainGMC Sierra 4.8L / 5.3L / 6.0L 2003, Full Roller Timing Chain by Preferred Components®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$15.48
- SKF®Timing Cover SealGMC Sierra 2003, Timing Cover Seal by SKF®. 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 drive belt repairs, but...Made with precision and quality in mindDesigned to meet your specific needs$13.93 - $25.56
- ACDelco®Genuine GM Parts™ Front Rubber Engine Front Cover SealGMC Sierra 4.8L / 5.3L / 6.0L 2003, Genuine GM Parts™ Front Rubber Engine Front Cover Seal by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$35.34Save: $5.33 (15%)$30.01
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