2021 GMC Yukon XL Engine Timing Parts

Keep Your 2021 GMC Yukon XL 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 2021 GMC Yukon XL looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Timing Sets, Timing Crank Gears, and Timing Chains. 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.

Competitive Prices and Extensive Inventory

The average price for a 2021 GMC Yukon XL Engine Timing Part at Advance Auto Parts is around $132.62, with a range that starts at $44.49 and goes up to $264.99. With 4 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Engine Timing Chain, Engine Timing Crankshaft Sprocket, and HIGH PERFORMANCE SET start at just $44.49 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 2021 GMC Yukon XL in peak condition, inside and out.

Essential 2021 GMC Yukon XL Engine Timing Parts

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
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INA US – ENGINE TIMING CHAIN (Part No.ZC-9-4205)

ENGINE TIMING CHAIN

from

$53.99
ENGINE TIMING CHAIN

ACDelco – Timing Chain (Part No.12646386)

Timing Chain

from

$74.99
ACDelco GM Original Equipment Engine Timing Chains synchronize the rotation of the crankshaft and camshaft(s) in an internal combustion engine. They help ensure that the engine’s valves open and close at the proper time during each cylinder’s intake and exhaust strokes, and are GM-recommended replacements for your vehicle’s original components. These original equipment timing chains have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Synchronizes the rotation of the crankshaft and the camshaft(s) to help ensure that the engine’s valves open and close at the proper time during each cylinder’s intake and exhaust strokes
  • 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 (Part No.9-4205)

Engine Timing Chain

from

$44.49
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.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product
  • 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

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

Cloyes Performance – High Performance Timing Set (Part No.9-3673TE)

High Performance Timing Set

from

$311.99
Tensioner Elimination Kit for GM LS Engines Equipped with VVT. Kit Replaces the Chain and Crankshaft Sprocket to Tighten the Chain Fitment and Eliminate the Factory Tensioner.

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 SET (Part No.9-3678X5Z)

HIGH PERFORMANCE SET

from

$264.99
HIGH PERFORMANCE SET

Cloyes Performance – High Performance Timing Set (Part No.9-3673TX3ZR)

High Performance Timing Set

from

$389.99
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, 1 Bolt/4 Sensor, .390″ Raised Cam
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3673TX9Z)

High Performance Timing Set

from

$389.99
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, 1 Bolt, 4 Sensor Hub
See More

Cloyes Performance – HIGH PERFORMANCE SET (Part No.9-3678X5)

HIGH PERFORMANCE SET

from

$139.99
HIGH PERFORMANCE SET

Cloyes Performance – High Performance Timing Set (Part No.9-3673TX3)

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. 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 3-Keyway Crankshaft Sprocket, 1 Bolt, 4 Sensor Hub
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3673TX3Z)

High Performance Timing Set

from

$389.99
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 Sprocket, 1 Bolt, 4 Sensor Hub
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3673TX9ZR)

High Performance Timing Set

from

$395.99
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, 1 Bolt/4 Sensor, .390″ Raised Cam
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3673TX9)

High Performance Timing Set

from

$223.99
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, 1 Bolt, 4 Sensor Hub
See More

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

Engine Timing Crankshaft Sprocket

from

$80.99
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.

Product Features:
  • 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
  • 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

Most Popular Timing Sets for 2021 GMC Yukon XLs

Enhance your 2021 GMC Yukon XL with one of the 2 Timing Sets we have in stock, starting at just $139.99.

Cloyes Performance – HIGH PERFORMANCE SET (Part No.9-3678X5Z)

HIGH PERFORMANCE SET

from

$264.99
HIGH PERFORMANCE SET

Cloyes Performance – HIGH PERFORMANCE SET (Part No.9-3678X5)

HIGH PERFORMANCE SET

from

$139.99
HIGH PERFORMANCE SET

Best-Selling 2021 GMC Yukon XL Timing Crank Gear

Upgrade your Yukon XL with our best-selling Timing Crank Gear.

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

Engine Timing Crankshaft Sprocket

from

$80.99
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.

Product Features:
  • 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
  • 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

Top-Quality Timing Chains for 2021 GMC Yukon XLs

Choose a high-quality OEM or aftermarket Timing Chain for GMC Yukon XLs and enjoy top-notch performance from $44.49.

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

Engine Timing Chain

from

$44.49
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.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product
  • 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

FAQs for 2021 GMC Yukon XL Engine Timing Parts

What are the best-selling Engine Timing Parts for 2021 GMC Yukon XLs?

Out of 4 Engine Timing Parts that fit 2021 GMC Yukon XLs, the following parts are the top sellers:

What’s the price range for 2021 GMC Yukon XL Engine Timing Parts?

The prices of Engine Timing Parts for the 2021 GMC Yukon XL range from $44.49 up to $264.99 for the most premium parts.

What is the average price of an Engine Timing Part for a 2021 GMC Yukon XL?

The average price for Engine Timing Parts for the 2021 GMC Yukon XL is $132.62. 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 GMC Yukon XL model years?

Yes, we carry Engine Timing Parts for 7 model years of GMC Yukon XLs between 2015 and 2023. The following model years are the most popular for Engine Timing Part purchases: 2023, 2022, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Engine Timing Parts for my 2021 GMC Yukon XL?

The cheapest 2021 GMC Yukon XL Engine Timing Parts we carry are:

Does Advance Auto Parts sell Engine Timing Parts for any other 2021 GMC models?

What types of Engine Timing Parts do you sell for my 2021 GMC Yukon XL?

As of 11/2/25, these are some of the most in-demand types of Engine Timing Parts for a 2021 GMC Yukon XL:

Can I get help with 2021 GMC Yukon XL 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 GMC Engine Timing Parts and more.

What is your return policy for GMC Yukon XL Engine Timing Parts?

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