2002 Chevrolet Trailblazer Ext Engine Timing Parts

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Keep Your 2002 Chevrolet Trailblazer Ext 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 2002 Chevrolet Trailblazer Ext looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Timing Cam Gears, Engine Timing Chain Kits, and Engine Variable Timing Solenoids. 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 Dorman. For example, Dorman Engine Timing Parts start at just $70.99 with an average 4.2 star rating. With over 52 reviews and a solid 5 star average, you can shop with confidence knowing other Chevrolet Trailblazer Ext owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2002 Chevrolet Trailblazer Ext Engine Timing Part at Advance Auto Parts is around $100.86, with a range that starts at $23.99 and goes up to $302.99. With 15 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like Engine Variable Valve Timing (VVT) Solenoid, Variable Valve Timing (VVT) Solenoid, and Primary Timing Chain Kit: Exact Fit, 168 Links, Timing Components, With Sprockets start at just $71.99 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 Engine Switches, Sensors and Relays. At Advance Auto Parts, we’re here to help you keep your 2002 Chevrolet Trailblazer Ext in peak condition, inside and out.

Essential 2002 Chevrolet Trailblazer Ext Engine Timing Parts

Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-5512)

Engine Timing Chain Tensioner

from

$58.99
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.

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
  • Backed by Limited and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
  • Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
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GM Genuine Parts – Timing Chain Tensioner (Part No.12598504)

Timing Chain Tensioner

from

$62.99
ACDelco GM Original Equipment Engine Timing Chain Tensioners help maintain a consistent amount of tension within the timing chain to help reduce the effect that slack has on the valve timing of the engine, and are GM-recommended replacements for your vehicle’s original components. These original equipment tensioners have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Provides consistent tension to help keep engine running in proper time
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Cloyes Gear – Engine Timing Chain Guide (Part No.9-5506)

Engine Timing Chain Guide

from

$29.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems. A timing chain guide serves as a guide (or track) for the timing chain, connecting the crankshaft and camshaft ensuring proper alignment and timing. Cloyes timing chain guides use the latest in design and material technology, ensuring quiet operation, durability that meet or exceed OEM performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service.

Product Features:
  • CAD designed 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 product, offering installation flexibility and convenience
  • Backed by Limited and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
  • Refer to our online catalog for detailed application-specific information
See More

Cloyes Gear – Engine Timing Chain Guide (Part No.9-5504)

Engine Timing Chain Guide

from

$23.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems. A timing chain tensioner guide serves as a guide (or track) for the timing chain and applies tension to the system, connecting crankshaft and camshaft ensuring proper alignment and timing. Cloyes timing chain guides use the latest in design and material technology, ensuring quiet operation, durability and that meet or exceed OEM performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service.

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
  • Backed by Limited and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
See More

Cloyes Performance – High Performance Timing Chain (Part No.9-304)

High Performance Timing Chain

from

$45.99
High Performance 3/8″ Pitch Single Roller Replacement TRUE Roller 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
See More

Cloyes Gear – Engine Timing Chain (Part No.C195)

Engine Timing Chain

from

$91.99
Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Links 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
  • 168 Links 8MM Roller. 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.
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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
See More

Cloyes Performance – High Performance Timing Chain (Part No.9-302)

High Performance Timing Chain

from

$241.99
High Performance 3/8″ Pitch Single Roller Replacement TRUE Roller 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
See More

Dorman – Timing Cover Kit (Part No.635-521)

Timing Cover Kit

from

$173.99
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

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
See More

Dayco – TIMING CHAIN KIT (Part No.KTC1392)

TIMING CHAIN KIT

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

Cloyes Gear – Primary Timing Chain Kit: Exact Fit, 168 Links, Timing Components, With Sprockets (Part No.9-0195S)

Primary Timing Chain Kit: Exact Fit, 168 Links, Timing Components, With Sprockets

from

$302.99
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.

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.
  • 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

Dayco – TIMING CHAIN KIT (Part No.KTC1355)

TIMING CHAIN KIT

from

$49.99
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 (Part No.KTC1354)

TIMING CHAIN KIT

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

Carquest Premium – Engine Variable Valve Timing (VVT) Sprocket (Part No.VVC1313)

Engine Variable Valve Timing (VVT) Sprocket

from

$169.99
The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.

Product Features:
  • Precision-wound coated copper windings increase product durability and life cycle.
  • Hard-coated and anodized spool valve to prevent corrosion and increase service life.
  • Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
  • Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure product reliability, every time.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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
See More

Dorman – Camshaft Phaser – Variable Timing Camshaft Gear (Part No.917-255)

Camshaft Phaser - Variable Timing Camshaft Gear

from

$166.99
The variable valve timing sprocket is key to ensuring an engine’s performance and clean running. Replace a worn factory VVT sprocket with this quality engineered sprocket to restore lost performance. Designed to install and perform like the original.

Product Features:
  • Direct replacement – this VVT sprocket fits and performs like the original sprocket
  • Durable construction – made from durable steel and precision machined for reliable performance
  • 100% new – this variable valve timing sprocket is entirely new, not a remanufactured part
  • Quality assured – vehicle-specific application has been validation tested to ensure quality
See More

Dorman – Camshaft Phaser (Part No.917-263)

Camshaft Phaser

from

$207.99
The variable valve timing sprocket is key to ensuring an engine’s performance and clean running. Replace a worn factory VVT sprocket with this quality engineered sprocket to restore lost performance. Designed to install and perform like the original.

Product Features:
  • Direct replacement – this VVT sprocket fits and performs like the original sprocket
  • Durable construction – made from durable steel and precision machined for reliable performance
  • 100% new – this variable valve timing sprocket is entirely new, not a remanufactured part
  • Quality assured – vehicle-specific application has been validation tested to ensure quality
See More

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 Crankshaft Sprocket (Part No.S913)

Engine Timing Crankshaft Sprocket

from

$72.99
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
See More

Dorman – Variable Valve Timing Solenoid (Part No.917-010)

Variable Valve Timing Solenoid

from

$70.99
This replacement engine variable valve timing (VVT) solenoid is precision-engineered to match the fit and function of the original VVT solenoid. Made of quality materials for a long service life, it has been tested for proper performance.

Product Features:
  • Ideal replacement – this VVT solenoid is professionally engineered to match the function and performance of the stock part on specific vehicle applications
  • Durable construction – this part is made from quality materials to ensure a long service life
  • Excellent value – the VVT solenoid is built to perform like original equipment quality at a competitive price
  • Vehicle tested – has undergone on-vehicle testing to ensure proper fit and performance
See More

Carquest Premium – Engine Variable Valve Timing (VVT) Solenoid (Part No.VVC1003)

Engine Variable Valve Timing (VVT) Solenoid

from

$71.99
The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.

Product Features:
  • Precision-wound coated copper windings increase product durability and life cycle.
  • Hard-coated and anodized spool valve to prevent corrosion and increase service life.
  • Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
  • Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure product reliability, every time.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
See More

NTK – Engine Variable Valve Timing (VVT) Solenoid (Part No.VV0012)

Engine Variable Valve Timing (VVT) Solenoid

from

$80.99
Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • NTK’s Variable Valve Timing Solenoids are manufactured to meet and/or exceed OE fit, form and function to ensure proper VVT operation.
  • The VVT solenoids meets the demands of today’s VVT engines at both low and high RPMs.
  • The VVT solenoids include a hard-coat anodized spool valve to prevent corrosion and increase service life.
  • The VVT solenoids include precision-wound, coated-copper windings to increase solenoid longevity.
  • The VVT solenoids are manufactured with a high strength thermoplastic that is resistant to temperature, moisture, and chemicals.
  • The VVT Solenoids are manufactured to precise OE valve body dimensions and utilizes fluorocarbon O-rings to help prevent oil leakage.
  • The VVT Solenoids are 100% tested and inspected to ensure consistent quality with end of production tested in oil to be sure the valve is primed and will work properly upon installation.
See More

ACDelco – Variable Valve Timing (VVT) Solenoid (Part No.12615873)

Variable Valve Timing (VVT) Solenoid

from

$115.99
ACDelco GM Original Equipment Engine Variable Valve Timing Solenoids regulate oil flow to the cam phasers that change the timing of the camshafts. The desired positions of the camshaft varies with engine speed and load and is calibrated for optimal engine performance, drive quality, and efficiency. They are GM-recommended replacements for your vehicle’s original components. These original equipment solenoids have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Coated to help protect against premature corrosion
  • Designed to match OEM calibration to provide the performance you expect from GM
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Most Popular Timing Cam Gears for 2002 Chevrolet Trailblazer Exts

Enhance your 2002 Chevrolet Trailblazer Ext with one of the 2 Timing Cam Gears we have in stock, starting at just $59.99.

Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S908)

Engine Timing Camshaft Sprocket

from

$59.99
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
See More

Dorman – Camshaft Phaser – Variable Timing Camshaft Gear (Part No.917-255)

Camshaft Phaser - Variable Timing Camshaft Gear

from

$166.99
The variable valve timing sprocket is key to ensuring an engine’s performance and clean running. Replace a worn factory VVT sprocket with this quality engineered sprocket to restore lost performance. Designed to install and perform like the original.

Product Features:
  • Direct replacement – this VVT sprocket fits and performs like the original sprocket
  • Durable construction – made from durable steel and precision machined for reliable performance
  • 100% new – this variable valve timing sprocket is entirely new, not a remanufactured part
  • Quality assured – vehicle-specific application has been validation tested to ensure quality
See More

Best-Selling 2002 Chevrolet Trailblazer Ext Engine Timing Chain Kit

Upgrade your Trailblazer Ext with our best-selling Engine Timing Chain Kit.

Cloyes Gear – Primary Timing Chain Kit: Exact Fit, 168 Links, Timing Components, With Sprockets (Part No.9-0195S)

Primary Timing Chain Kit: Exact Fit, 168 Links, Timing Components, With Sprockets

from

$302.99
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.

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.
  • 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

Top-Quality Engine Variable Timing Solenoids for 2002 Chevrolet Trailblazer Exts

Choose a high-quality OEM or aftermarket Engine Variable Timing Solenoid for Chevrolet Trailblazer Exts and enjoy top-notch performance from $70.99.

Dorman – Variable Valve Timing Solenoid (Part No.917-010)

Variable Valve Timing Solenoid

from

$70.99
This replacement engine variable valve timing (VVT) solenoid is precision-engineered to match the fit and function of the original VVT solenoid. Made of quality materials for a long service life, it has been tested for proper performance.

Product Features:
  • Ideal replacement – this VVT solenoid is professionally engineered to match the function and performance of the stock part on specific vehicle applications
  • Durable construction – this part is made from quality materials to ensure a long service life
  • Excellent value – the VVT solenoid is built to perform like original equipment quality at a competitive price
  • Vehicle tested – has undergone on-vehicle testing to ensure proper fit and performance
See More

Carquest Premium – Engine Variable Valve Timing (VVT) Solenoid (Part No.VVC1003)

Engine Variable Valve Timing (VVT) Solenoid

from

$71.99
The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.

Product Features:
  • Precision-wound coated copper windings increase product durability and life cycle.
  • Hard-coated and anodized spool valve to prevent corrosion and increase service life.
  • Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
  • Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure product reliability, every time.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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ACDelco – Variable Valve Timing (VVT) Solenoid (Part No.12615873)

Variable Valve Timing (VVT) Solenoid

from

$115.99
ACDelco GM Original Equipment Engine Variable Valve Timing Solenoids regulate oil flow to the cam phasers that change the timing of the camshafts. The desired positions of the camshaft varies with engine speed and load and is calibrated for optimal engine performance, drive quality, and efficiency. They are GM-recommended replacements for your vehicle’s original components. These original equipment solenoids have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Coated to help protect against premature corrosion
  • Designed to match OEM calibration to provide the performance you expect from GM
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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NTK – Engine Variable Valve Timing (VVT) Solenoid (Part No.VV0012)

Engine Variable Valve Timing (VVT) Solenoid

from

$80.99
Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • NTK’s Variable Valve Timing Solenoids are manufactured to meet and/or exceed OE fit, form and function to ensure proper VVT operation.
  • The VVT solenoids meets the demands of today’s VVT engines at both low and high RPMs.
  • The VVT solenoids include a hard-coat anodized spool valve to prevent corrosion and increase service life.
  • The VVT solenoids include precision-wound, coated-copper windings to increase solenoid longevity.
  • The VVT solenoids are manufactured with a high strength thermoplastic that is resistant to temperature, moisture, and chemicals.
  • The VVT Solenoids are manufactured to precise OE valve body dimensions and utilizes fluorocarbon O-rings to help prevent oil leakage.
  • The VVT Solenoids are 100% tested and inspected to ensure consistent quality with end of production tested in oil to be sure the valve is primed and will work properly upon installation.
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Top Picks for 2002 Chevrolet Trailblazer Ext Timing Chain Tensioners

Invest in one of our 2 durable Timing Chain Tensioners for your 2002 Chevrolet, knowing you’re getting trusted brands and expert craftsmanship.

Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-5512)

Engine Timing Chain Tensioner

from

$58.99
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.

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
  • Backed by Limited and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
  • Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
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GM Genuine Parts – Timing Chain Tensioner (Part No.12598504)

Timing Chain Tensioner

from

$62.99
ACDelco GM Original Equipment Engine Timing Chain Tensioners help maintain a consistent amount of tension within the timing chain to help reduce the effect that slack has on the valve timing of the engine, and are GM-recommended replacements for your vehicle’s original components. These original equipment tensioners have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Provides consistent tension to help keep engine running in proper time
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Our Timing Covers for 2002 Chevrolet Trailblazer Exts

Make a smart move for your 2002 Chevrolet Trailblazer Ext with our Timing Cover for $173.99.

Dorman – Timing Cover Kit (Part No.635-521)

Timing Cover Kit

from

$173.99
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
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Top-Rated Engine Timing Part Brands For Your 2002 Chevrolet Trailblazer Ext

When it comes to finding the perfect Engine Timing Part for your 2002 Chevrolet Trailblazer Ext, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 6 trusted brands. We carry the most popular Engine Timing Part brands including Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $70.99. Purchasing a Engine Timing Part from us here at Advance Auto Parts is a smart move for both you and your 2002 Chevrolet Trailblazer Ext, providing peace of mind with parts that meet or exceed OEM standards.

Popular Dorman 2002 Chevrolet Trailblazer Ext Engine Timing Parts

If you’re looking for a top-quality Engine Timing Part for your 2002 Chevrolet Trailblazer Ext, Advance Auto Parts has exactly what you need with our selection of Dorman Engine Timing Parts. We have 1 Dorman Engine Timing Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $70.99, you’ll find the perfect Engine Timing Part for your needs and budget. Dorman Engine Timing Parts for the 2002 Chevrolet Trailblazer Ext come highly rated, with over 26 customer reviews and an impressive average rating of 4.2 stars. Choosing a Dorman Engine Timing Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Variable Valve Timing Solenoid
from $70.99
(26)
Variable Valve Timing Solenoid
“So far, so good. Installed in my 05 GMC Envoy.”

FAQs for 2002 Chevrolet Trailblazer Ext Engine Timing Parts

What are the best-selling Engine Timing Parts for 2002 Chevrolet Trailblazer Exts?

Out of 15 Engine Timing Parts that fit 2002 Chevrolet Trailblazer Exts, the following parts are the top sellers:

What’s the price range for 2002 Chevrolet Trailblazer Ext Engine Timing Parts?

The prices of Engine Timing Parts for the 2002 Chevrolet Trailblazer Ext range from $23.99 up to $302.99 for the most premium parts.

What is the average price of an Engine Timing Part for a 2002 Chevrolet Trailblazer Ext?

The average price for Engine Timing Parts for the 2002 Chevrolet Trailblazer Ext is $100.86. 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 Trailblazer Ext model years?

Yes, we carry Engine Timing Parts for 3 model years of Chevrolet Trailblazer Exts between 2003 and 2006. The following model years are the most popular for Engine Timing Part purchases: 2006, 2005, 2004, and 2003.

What are the cheapest Engine Timing Parts for my 2002 Chevrolet Trailblazer Ext?

The cheapest 2002 Chevrolet Trailblazer Ext Engine Timing Parts we carry are:

Does Advance Auto Parts sell Engine Timing Parts for any other 2002 Chevrolet models?

Yes. We stock Engine Timing Parts for 33 other popular 2002 Chevrolet models. Some of the most popular are 2002 Tahoe Engine Timing Parts, 2002 Impala Engine Timing Parts, 2002 Silverado 1500 Engine Timing Parts, 2002 Malibu Engine Timing Parts, and 2002 Suburban 1500 Engine Timing Parts.

What types of Engine Timing Parts do you sell for my 2002 Chevrolet Trailblazer Ext?

As of 3/1/26, these are some of the most in-demand types of Engine Timing Parts for a 2002 Chevrolet Trailblazer Ext:

Can I get help with 2002 Chevrolet Trailblazer Ext 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 Trailblazer Ext Engine Timing Parts?

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