2003 Chevrolet Express 2500 Engine Timing Parts

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Keep Your 2003 Chevrolet Express 2500 in Top Shape with Quality Engine Timing Parts

Whether you’re repairing or upgrading your Engine Timing Part, using high-quality parts is key to keeping your 2003 Chevrolet Express 2500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Timing Covers, Timing Chain Tensioners, and Engine Timing Chain Kits. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Engine Timing Parts from Trusted Brands

Looking for a reliable Engine Timing Part? We’ve got you covered with options from brands you know and trust like National. For example, National Engine Timing Parts start at just $34.99 with an average 4.3 star rating. With over 86 reviews and a solid 5 star average, you can shop with confidence knowing other Chevrolet Express 2500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 Chevrolet Express 2500 Engine Timing Part at Advance Auto Parts is around $183.82, with a range that starts at $12.99 and goes up to $389.99. With 48 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly, Timing Cover Kit, and Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly start at just $44.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Timing Part, don’t forget to check out other key components like Engine Gaskets and Seals and Oil Delivery Parts. At Advance Auto Parts, we’re here to help you keep your 2003 Chevrolet Express 2500 in peak condition, inside and out.

Essential 2003 Chevrolet Express 2500 Engine Timing Parts

Cloyes Performance – High Performance Timing Set (Part No.9-3645X3-5)

High Performance Timing Set

from

$165.99
Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
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Cloyes Performance – High Performance Timing Set (Part No.9-3145-5)

High Performance Timing Set

from

$159.99
Billet Crank Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Sprockets Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
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Cloyes Gear – Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly (Part No.C-3090)

Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly

from

$92.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing sets are engineered for precision, durability, and optimal engine performance. Sets includes crankshaft sprocket, camshaft sprocket and chain. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.

Product Features:
  • Cloyes chains are pre-stressed and heat-treated.
  • Engineered and manufactured with precision pitch control to ensure optimal chain-to-sprocket fit reducing noise, minimizing fatigue, maintaining accurate timing and delivering long-term durability.
  • Sprockets are CAD designed, manufactured using premium material and heat-treated.
  • Featuring precision-tooled tooth form, bore, off-set and timing index for superior fit, reliability, and long-term performance in engine timing repairs.
  • All timing components designed in the USA and manufactured using premium materials.
  • OE-level fit and function, allowing for smooth installation and reliable performance.
  • Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks.
  • Backed by Limited and over 100 years in engineering leadership with unmatched technical support and repair confidence in every set.
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Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-5978)

Engine Timing Chain Tensioner

from

$32.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems, delivering premium-quality solutions. A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design and application, Cloyes engine timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain for optimal performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading limited Warranty and technical support.

Product Features:
  • CAD designed and manufactured using premium materials and heat-treated for OE-level fit and function, allowing for smooth installation and reliable performance
  • Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
  • Available in application-specific kit or as a stand-alone product, offering installation flexibility and convenience
  • Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
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INA US – Engine Timing Chain Tensioner (Part No.ZG-9-5417)

Engine Timing Chain Tensioner

from

$30.99
INA Timing Chain Guides are designed to meet or exceed OE quality and performance. Our PLASTIC meets the OEM PA66 and PA46 grade for material and hardness.

Product Features:
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INA US – Engine Timing Chain Tensioner Kit (Part No.ZT-9-5452)

Engine Timing Chain Tensioner Kit

from

$99.99
For optimal power transmission in the timing drive, we offer you repair solutions. Our components ensure the correct gear ratios and deliver high reliability paired with low maintenance costs.

Product Features:
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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S776T)

Engine Timing Camshaft Sprocket

from

$35.99
Sprocket Made From High Alloy Material. Features Precision Tooth Form To Assure Proper Chain Engagement, And Is Balanced For Proper Timing.

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S894T)

Engine Timing Camshaft Sprocket

from

$31.49
Sprocket Made From High Alloy Material. Sprocket Teeth Are Heat Treated. Precision Tooth Form To Assure Proper Chain Engagement, And Precise Keyway To Tooth Timing.

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
See More

Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S826T)

Engine Timing Camshaft Sprocket

from

$28.99
Sprocket Made From High Alloy Material. Features Precision Tooth Form To Assure Proper Chain Engagement, And Is Balanced For Proper Timing.

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
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Cloyes Performance – High Performance Timing Chain (Part No.9-303)

High Performance Timing Chain

from

$215.99
High Performance 3/8″ Pitch Single Roller Replacement TRUE Roller “Z Chain” Chain. 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
  • Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • From stock replacement to high performance, Cloyes has the most complete timing chain catalog
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
  • Refer to our online catalog for detailed application-specific information
  • Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
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Cloyes Gear – Engine Timing Chain (Part No.C499)

Engine Timing Chain

from

$22.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems. Our timing chains are built to synchronize crankshaft and camshaft rotation with absolute accuracy, ensuring precise valve timing and long-term engine performance. Available as stand-alone chains or in complete kits, Cloyes timing chains are manufactured from premium materials, heat-treated, pre-stressed and engineered for a perfect chain-to-sprocket tooth fit ¿ delivering quiet operation, durability, and OE-level performance you can count on. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.

Product Features:
  • Pre-stressed and heat-treated steel construction for increased strength, and wear resistance, delivering long-term durability even in high-stress environments.
  • Cloyes chains are engineered and manufactured with precision pitch control to ensure optimal chain-to-sprocket fit reducing noise, minimizing fatigue, and maintaining accurate timing.
  • Designed in the USA and manufactured using premium materials for OE-level fit and function, allowing for smooth installation and reliable performance.
  • Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks.
  • Available in application-specific kit or as a stand-alone chain, offering installation flexibility and convenience.
  • .
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Cloyes Gear – Engine Timing Chain (Part No.9-4190)

Engine Timing Chain

from

$26.99
Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.

Product Features:
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • CAD designed and manufactured using premium materials
  • Refer to our online catalog for detailed application-specific information
  • Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
See More

Dorman – Timing Cover Kit – Includes Gasket (Part No.635-515)

Timing Cover Kit - Includes Gasket

from

$117.99
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 adherence to precise design standards.

Product Features:
  • Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
  • Durable construction – this part is specifically designed to withstand extreme under hood temperatures for a long service life
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
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Dorman – Timing Cover Kit – Includes Gasket (Part No.635-517)

Timing Cover Kit - Includes Gasket

from

$63.99
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 adherence to precise design standards.

Product Features:
  • Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
  • Durable construction – this part is specifically designed to withstand extreme under hood temperatures for a long service life
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
See More

Dorman – Timing Cover Kit (Part No.635-522)

Timing Cover Kit

from

$117.99
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 adherence to precise design standards.

Product Features:
  • Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
  • Durable construction – this part is specifically designed to withstand extreme under hood temperatures for a long service life
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
See More

National – Engine Harmonic Balancer Kit (Part No.5000)

Engine Harmonic Balancer Kit

from

$28.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Includes timing cover seal and harmonic balancer sleeve
  • Solves the oil leaking around timing cover seal
  • Made of stainless steel
  • Takes up gaps caused by worn-out harmonic balancer shafts
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Schaeffler – Repair Sleeve (Part No.SR3506)

Repair Sleeve

from

$39.99
The FAG repair sleeve is a precision element that provides additional sealing for damaged shafts. Made of heat-treated stainless steel, the FAG repair sleeve signifcantly increases the life of the shaft and prevents premature wear. Since no shaft removal or machining is required during the repair, the repair sleeve is a cost effective repair solution to protect damaged surfaces.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
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National – Engine Harmonic Balancer Repair Sleeve (Part No.88176)

Engine Harmonic Balancer Repair Sleeve

from

$18.79
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Made of stainless steel
  • Designed to prevent timing cover seal leaks
  • Takes up gaps caused by worn-out harmonic balancer shafts
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National – Shaft Repair Sleeve (Part No.99210)

Shaft Repair Sleeve

from

$47.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
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National – Engine Crankshaft Seal (Part No.100470)

Engine Crankshaft Seal

from

$34.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Design type: spring loaded; multi-lip
  • Temperature range: -100 Deg. F to 450 Deg. F / -73 Deg. C to 232 Deg.
  • Excellent dry running capabilities
  • Low coefficient of friction
  • Delivers quality and reliable performance for every type of repair
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Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S827)

Engine Timing Crankshaft Sprocket

from

$28.99
Sprocket Made From High Alloy Material. Sprocket Teeth Are Heat Treated. Precision Tooth Form To Assure Proper Chain Engagement, And Precise Keyway To Tooth Timing.

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
See More

Cloyes Gear – Engine Timing Gear (Part No.2823)

Engine Timing Gear

from

$48.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain gears offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Helical tooth form for quiet operation and precision machined bore for true fit
  • CAD designed and manufactured using premium materials to ensure optimal performance
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
See More

Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S645)

Engine Timing Crankshaft Sprocket

from

$36.99
Sprocket Made From High Alloy Material. Sprocket Teeth Are Heat Treated. Precision Tooth Form To Assure Proper Chain Engagement, And Precise Keyway To Tooth Timing.

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
See More

Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S1111)

Engine Timing Crankshaft Sprocket

from

$80.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems. As a critical component of the engine’s timing system, the crankshaft sprockets work in unison with the timing chain, tensioners, guides and other sprockets, to ensure precise timing. Cloyes engine timing crankshaft sprockets are precision-tooled with exact tooth geometry and a perfectly matched bore, off-set and timing index for superior fit, reliability, and long-term performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading limited Warranty and technical support.

Product Features:
  • Features precision-tooled tooth form, bore, off-set and timing index for superior fit, reliability, and long-term performance in engine timing repairs
  • CAD designed and manufactured using premium materials and heat-treated for OE-level fit and function, allowing for smooth installation and reliable performance
  • Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
  • Available in application-specific kit or as a stand-alone product, offering installation flexibility and convenience
See More

Cloyes Gear – Engine Timing Chain Kit (Part No.9-4205SD)

Engine Timing Chain Kit

from

$244.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.

Product Features:
  • Cloyes chains are pre-stressed and heat-treated.
  • Engineered and manufactured with precision pitch control to ensure optimal chain-to-sprocket fit reducing noise, minimizing fatigue, maintaining accurate timing and delivering long-term durability.
  • Sprockets are CAD designed, manufactured using premium material and heat-treated.
  • Featuring precision-tooled tooth form, bore, off-set and timing index for superior fit, reliability, and long-term performance in engine timing repairs.
  • Timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain.
  • All are CAD designed and manufactured using premium materials allowing for smooth installation and reliable performance.
  • Chain guides serve as a guide (or track) for the timing chain and either apply tension to the system or simply give it a path, connecting crankshaft and camshaft ensuring proper alignment and timing.
  • CAD designed and manufactured using premium materials, guides use the latest in design and material technology ensuring quiet operation and durability.
  • All timing components designed in the USA and manufactured using premium materials for OE-level fit and function, allowing for smooth installation and reliable performance.
  • Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks.
  • Backed by Limited and over 100 years of engineering leadership with unmatched technical support and repair confidence in every kit.
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Cloyes Gear – Primary Timing Chain Kit: Exact Fit, 60 Links, Timing Components, With Sprockets (Part No.9-4205S)

Primary Timing Chain Kit: Exact Fit, 60 Links, Timing Components, With Sprockets

from

$81.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.

Product Features:
  • Cloyes chains are pre-stressed and heat-treated.
  • Engineered and manufactured with precision pitch control to ensure optimal chain-to-sprocket fit reducing noise, minimizing fatigue, maintaining accurate timing and delivering long-term durability.
  • Sprockets are CAD designed, manufactured using premium material and heat-treated.
  • Featuring precision-tooled tooth form, bore, off-set and timing index for superior fit, reliability, and long-term performance in engine timing repairs.
  • Timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain.
  • All are CAD designed and manufactured using premium materials allowing for smooth installation and reliable performance.
  • Chain guides serve as a guide (or track) for the timing chain and either apply tension to the system or simply give it a path, connecting crankshaft and camshaft ensuring proper alignment and timing.
  • CAD designed and manufactured using premium materials, guides use the latest in design and material technology ensuring quiet operation and durability.
  • All timing components designed in the USA and manufactured using premium materials for OE-level fit and function, allowing for smooth installation and reliable performance.
  • Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks.
  • Backed by Limited and over 100 years of engineering leadership with unmatched technical support and repair confidence in every kit.
See More

INA US – Engine Timing Chain Kit (Part No.ZC-9-4205SA)

Engine Timing Chain Kit

from

$159.99
INA timing chain kits include all essential components to ensure that the repair is done right the first time. Each kit contains all necessary chains, tensioners, and guides. In certain applications the kit also contains the necessary gears and sprockets, along with a specially formulated, high performance, chain additive uniquely made for Schaeffler by Liqui Moly. The chain additive helps reduce friction during the break in period and reduces run-in wear by up to twenty percent.

Product Features:
  • Meets or exceeds OE standards, ensuring compatibility and performance that adhere to industry benchmarks.
  • Our timing chain kits include all essential components needed for engine timing system maintenance, saving you time and hassle.
  • Eliminates the need to search for individual parts, streamlining the repair process.
  • Each component is engineered for precise fit and function, ensuring reliable timing and efficient engine operation.
  • Backed by Schaeffler commitment to quality and reliability, Schaeffler timing chain kits provide confidence and peace of mind for drivers.
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Dayco – Timing Chain Kit, 4 Piece Set, Chain, Sprockets And Tensioner (Part No.KTC1386)

Timing Chain Kit, 4 Piece Set, Chain, Sprockets And Tensioner

from

$101.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.

Product Features:
  • High quality chains prevent stretch for the life of the kit, addressing the no. 1 replacement issue
  • Precision machined sprockets for exact timing
  • High-grade plastic guides use same material as OE for excellent wear resistance
  • Contains: Camshaft Sprocket, Crankshaft Sprocket, Timing Chain, Chain Tensioner
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Most Popular Timing Covers for 2003 Chevrolet Express 2500s

Enhance your 2003 Chevrolet Express 2500 with one of the 2 Timing Covers we have in stock, starting at just $51.99.

Dorman – Timing Cover with Gasket and Seal (Part No.635-502)

Timing Cover with Gasket and Seal

from

$51.99
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 adherence to precise design standards.

Product Features:
  • Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
  • Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
See More

Dorman – Timing Cover Kit (Part No.635-522)

Timing Cover Kit

from

$117.99
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 adherence to precise design standards.

Product Features:
  • Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
  • Durable construction – this part is specifically designed to withstand extreme under hood temperatures for a long service life
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
See More

Best-Selling 2003 Chevrolet Express 2500 Timing Chain Tensioner

Upgrade your Express 2500 with our best-selling Timing Chain Tensioner.

INA US – Engine Timing Chain Tensioner Kit (Part No.ZT-9-5452)

Engine Timing Chain Tensioner Kit

from

$99.99
For optimal power transmission in the timing drive, we offer you repair solutions. Our components ensure the correct gear ratios and deliver high reliability paired with low maintenance costs.

Product Features:
See More

Top-Quality Engine Timing Chain Kits for 2003 Chevrolet Express 2500s

Choose a high-quality OEM or aftermarket Engine Timing Chain Kit for Chevrolet Express 2500s and enjoy top-notch performance from $39.99.

Cloyes Gear – Engine Timing Chain Kit (Part No.9-4190S)

Engine Timing Chain Kit

from

$109.99
Timing Chain Kits. Cloyes is leading manufacturer of timing systems products, including a wide range of complete kits for a variety of domestic and foreign nameplates. Leveraging its expertise in timing drive systems, Cloyes utilizes the latest in design and technology to offer complete timing chain kits. The complete kits, which meet or exceed OEM performance requirements, ensure quiet and maintenance-free experience. Cloyes parts are CAD designed and manufactured using advanced materials. Each part is extensively tested for function and durability to ensure optimal performance. Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides. Refer to our online catalog for detailed application-specific information. SET INCLUDES: S836T Engine Timing Camshaft Sprocket (1 EA), 9-5452 Engine Timing Chain Tensioner (1 EA), 9-4190 Engine Timing Chain (1 EA), S835 Engine Timing Crankshaft Sprocket (1 EA).

Product Features:
  • Meet or exceed OEM performance requirements, ensuring a quiet and maintenance free experience
  • Utilizes the latest in design and technology to offer a complete chain kit solution
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
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Dayco – Timing Chain Kit, 4 Piece Set, Chain, Sprockets And Tensioner (Part No.KTC1386)

Timing Chain Kit, 4 Piece Set, Chain, Sprockets And Tensioner

from

$101.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.

Product Features:
  • High quality chains prevent stretch for the life of the kit, addressing the no. 1 replacement issue
  • Precision machined sprockets for exact timing
  • High-grade plastic guides use same material as OE for excellent wear resistance
  • Contains: Camshaft Sprocket, Crankshaft Sprocket, Timing Chain, Chain Tensioner
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Dayco – Timing Chain Kit, 3 Piece Set, Single Roller Sprockets And Chain (Part No.KTC1392)

Timing Chain Kit, 3 Piece Set, Single Roller Sprockets And Chain

from

$89.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.

Product Features:
  • High quality chains prevent stretch for the life of the kit, addressing the no. 1 replacement issue
  • Precision machined sprockets for exact timing
  • High-grade plastic guides use same material as OE for excellent wear resistance
  • Contains: Camshaft Sprocket, Crankshaft Sprocket, Timing Chain
See More

Dayco – Timing Chain Kit, 4 Piece Set, Chain, Sprockets And Damper (Part No.KTC1354)

Timing Chain Kit, 4 Piece Set, Chain, Sprockets And Damper

from

$74.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.

Product Features:
  • High quality chains prevent stretch for the life of the kit, addressing the no. 1 replacement issue
  • Precision machined sprockets for exact timing
  • High-grade plastic guides use same material as OE for excellent wear resistance
  • Contains: Camshaft Sprocket, Crankshaft Sprocket, Timing Chain, Chain Damper
See More

Dayco – Timing Chain Kit, 3 Piece Set, Sprockets And Chain (Part No.KTC1365)

Timing Chain Kit, 3 Piece Set, Sprockets And Chain

from

$39.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.

Product Features:
  • High quality chains prevent stretch for the life of the kit, addressing the no. 1 replacement issue
  • Precision machined sprockets for exact timing
  • High-grade plastic guides use same material as OE for excellent wear resistance
  • Contains: Camshaft Sprocket, Crankshaft Sprocket, Timing Chain
See More

Top Picks for 2003 Chevrolet Express 2500 Timing Sets

Invest in one of our 21 durable Timing Sets for your 2003 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.

Cloyes Gear – Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly (Part No.C-3210)

Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly

from

$97.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing sets are engineered for precision, durability, and optimal engine performance. Sets includes crankshaft sprocket, camshaft sprocket and chain. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.

Product Features:
  • Cloyes chains are pre-stressed and heat-treated.
  • Engineered and manufactured with precision pitch control to ensure optimal chain-to-sprocket fit reducing noise, minimizing fatigue, maintaining accurate timing and delivering long-term durability.
  • Sprockets are CAD designed, manufactured using premium material and heat-treated.
  • Featuring precision-tooled tooth form, bore, off-set and timing index for superior fit, reliability, and long-term performance in engine timing repairs.
  • All timing components designed in the USA and manufactured using premium materials.
  • OE-level fit and function, allowing for smooth installation and reliable performance.
  • Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks.
  • Backed by Limited and over 100 years in engineering leadership with unmatched technical support and repair confidence in every set.
See More

Cloyes Gear – Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly (Part No.C-3212)

Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly

from

$44.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing sets are engineered for precision, durability, and optimal engine performance. Sets includes crankshaft sprocket, camshaft sprocket and chain. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.

Product Features:
  • Cloyes chains are pre-stressed and heat-treated.
  • Engineered and manufactured with precision pitch control to ensure optimal chain-to-sprocket fit reducing noise, minimizing fatigue, maintaining accurate timing and delivering long-term durability.
  • Sprockets are CAD designed, manufactured using premium material and heat-treated.
  • Featuring precision-tooled tooth form, bore, off-set and timing index for superior fit, reliability, and long-term performance in engine timing repairs.
  • All timing components designed in the USA and manufactured using premium materials.
  • OE-level fit and function, allowing for smooth installation and reliable performance.
  • Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks.
  • Backed by Limited and over 100 years in engineering leadership with unmatched technical support and repair confidence in every set.
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3658TX9)

High Performance Timing Set

from

$175.99
Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
  • High Performance Timing Set, Race Billet, with 9-Keyway Crankshaft Sprocket, 3 Bolt, 1 Sensor Hub
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3158A)

High Performance Timing Set

from

$234.99
HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Friction. Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
  • High Performance, 3 Bolt, 1 Sensor Hub, Single Roller
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3158AZR)

High Performance Timing Set

from

$389.99
HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. Upgraded “Z” Chain TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Friction. Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3158AZ)

High Performance Timing Set

from

$382.99
HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. Upgraded “Z” Chain TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Friction. Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3158AZ-5)

High Performance Timing Set

from

$372.99
HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. Upgraded “Z” Chain TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Friction. Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3658TX9ZR)

High Performance Timing Set

from

$369.99
Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter “Z” Chain for Reduced Friction. “Z” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “Z” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
  • High Performance Timing Set, Race Billet, w/ “Z” Chain, 9-Keyway Crank, 3 Bolt/1 Sensor, .390″ Raised Cam
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3658TX9Z)

High Performance Timing Set

from

$359.99
Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter “Z” Chain for Reduced Friction. “Z” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “Z” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
  • High Performance Timing Set, Race Billet, w/ “Z” Chain, 9-Keyway Crank Sprocket, 3 Bolt, 1 Sensor Hub
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3658TX3Z)

High Performance Timing Set

from

$349.99
Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter “Z” Chain for Reduced Friction. “Z” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “Z” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3658TX9Z-5)

High Performance Timing Set

from

$344.99
Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter “Z” Chain for Reduced Friction. “Z” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “Z” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3658TX3ZR)

High Performance Timing Set

from

$339.99
Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter “Z” Chain for Reduced Friction. “Z” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “Z” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
  • High Performance Timing Set, Race Billet, w/ “Z” Chain, 3-Keyway Crank, 3 Bolt/1 Sensor, .390″ Raised Cam
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3159AZ)

High Performance Timing Set

from

$303.99
HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter “Z” Chain for Reduced Friction. “Z” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “Z” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3159A)

High Performance Timing Set

from

$288.99
HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Double Roller 0.250″ Roller Diameter Chain for Reduced Friction. Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3159A-5)

High Performance Timing Set

from

$268.99
HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Double Roller 0.250″ Roller Diameter Chain for Reduced Friction. Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3159AR)

High Performance Timing Set

from

$258.99
HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Double Roller 0.250″ Roller Diameter Chain for Reduced Friction. Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3659X3Z)

High Performance Timing Set

from

$257.99
Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter “Z” Chain for Reduced Friction.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
  • High Performance Timing Set, Race Billet, Dbl Roller, with 3-Keyway Crankshaft Sprocket, 3 Bolt, 1 Sensor Hub
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3659X3)

High Performance Timing Set

from

$236.99
Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout. 0.005″ and 0.010″ Reduced Length Chains Available, to Order Add -5 or -10 to the End of this Part Number.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
  • High Performance Timing Set, Race Billet, Dbl Roller, with 3-Keyway Crankshaft Sprocket, 3 Bolt, 1 Sensor Hub
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3659X3R)

High Performance Timing Set

from

$229.99
Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
  • High Performance Timing Set, Race Billet, Dbl Roller, with 3-Keyway Crank, 3 Bolt/1 Sensor, .390 Raised Cam
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3658TX3)

High Performance Timing Set

from

$215.99
Billet Crankshaft Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

INA US – Engine Timing Set (Part No.ZC-C-3212)

Engine Timing Set

from

$67.99
INA timing chain kits include all essential components to ensure that the repair is done right the first time. Each kit contains all necessary chains, tensioners, and guides. In certain applications the kit also contains the necessary gears and sprockets, along with a specially formulated, high performance, chain additive uniquely made for Schaeffler by Liqui Moly. The chain additive helps reduce friction during the break in period and reduces run-in wear by up to twenty percent.

Product Features:
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Top-Rated Timing Cover Seals for 2003 Chevrolet Express 2500s

Make a smart move for your 2003 Chevrolet Express 2500 with products all priced from $12.99 to $47.99.

National – Engine Crankshaft Seal (Part No.100470)

Engine Crankshaft Seal

from

$34.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Design type: spring loaded; multi-lip
  • Temperature range: -100 Deg. F to 450 Deg. F / -73 Deg. C to 232 Deg.
  • Excellent dry running capabilities
  • Low coefficient of friction
  • Delivers quality and reliable performance for every type of repair
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National – Shaft Repair Sleeve (Part No.99210)

Shaft Repair Sleeve

from

$47.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
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National – Shaft Repair Sleeve (Part No.99176)

Shaft Repair Sleeve

from

$46.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
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Schaeffler – General Seal (Part No.SS2784)

General Seal

from

$12.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
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Top-Rated Engine Timing Part Brands For Your 2003 Chevrolet Express 2500

When it comes to finding the perfect Engine Timing Part for your 2003 Chevrolet Express 2500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Engine Timing Part brands including National, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $34.99. Purchasing a Engine Timing Part from us here at Advance Auto Parts is a smart move for both you and your 2003 Chevrolet Express 2500, providing peace of mind with parts that meet or exceed OEM standards.

Popular National 2003 Chevrolet Express 2500 Engine Timing Parts

If you’re looking for a top-quality Engine Timing Part for your 2003 Chevrolet Express 2500, Advance Auto Parts has exactly what you need with our selection of National Engine Timing Parts. We have 1 National Engine Timing Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $34.99, you’ll find the perfect Engine Timing Part for your needs and budget. National Engine Timing Parts for the 2003 Chevrolet Express 2500 come highly rated, with over 7 customer reviews and an impressive average rating of 4.3 stars. Choosing a National Engine Timing Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Engine Crankshaft Seal
from $34.99
(7)
Engine Crankshaft Seal
“This picture may be deceiving! This seal looks lovely led exact match.”

FAQs for 2003 Chevrolet Express 2500 Engine Timing Parts

What are the best-selling Engine Timing Parts for 2003 Chevrolet Express 2500s?

Out of 48 Engine Timing Parts that fit 2003 Chevrolet Express 2500s, the following parts are the top sellers:

What’s the price range for 2003 Chevrolet Express 2500 Engine Timing Parts?

The prices of Engine Timing Parts for the 2003 Chevrolet Express 2500 range from $12.99 up to $389.99 for the most premium parts.

What is the average price of an Engine Timing Part for a 2003 Chevrolet Express 2500?

The average price for Engine Timing Parts for the 2003 Chevrolet Express 2500 is $183.82. Keep in mind the variety of part types within our Engine Timing Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Timing Parts for other Chevrolet Express 2500 model years?

Yes, we carry Engine Timing Parts for 29 model years of Chevrolet Express 2500s between 1996 and 2026. The following model years are the most popular for Engine Timing Part purchases: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Engine Timing Parts for my 2003 Chevrolet Express 2500?

The cheapest 2003 Chevrolet Express 2500 Engine Timing Parts we carry are:

Does Advance Auto Parts sell Engine Timing Parts for any other 2003 Chevrolet models?

Yes. We stock Engine Timing Parts for 31 other popular 2003 Chevrolet models. Some of the most popular are 2003 Tahoe Engine Timing Parts, 2003 Impala Engine Timing Parts, 2003 Silverado 1500 Engine Timing Parts, 2003 Malibu Engine Timing Parts, and 2003 Suburban 1500 Engine Timing Parts.

What types of Engine Timing Parts do you sell for my 2003 Chevrolet Express 2500?

As of 6/2/26, these are some of the most in-demand types of Engine Timing Parts for a 2003 Chevrolet Express 2500:

Can I get help with 2003 Chevrolet Express 2500 Engine Timing Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Engine Timing Parts and more.

What is your return policy for Chevrolet Express 2500 Engine Timing Parts?

Advance Auto Parts keeps returns simple. For new Chevrolet Express 2500 Engine Timing Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.