2021 GMC Sierra 1500 Engine Parts
Find Your Specific 2021 GMC Sierra 1500 Engine Parts
Below you will find various in-demand GMC Engine Parts, components and accessories for your 2021 Sierra 1500. Advance Auto Parts has popular Sierra 1500 parts like Engine Gaskets and Seals, Camshafts, Engine Timing Parts and more. You’ll also find aftermarket and OEM Engine Parts for other Sierra 1500 model years including
2014,
2015,
2016,
2017,
2018,
2019,
2020,
2022,
2023 and more. Select a category of 2021 GMC Sierra 1500 Engine Parts below and start saving instantly.
Popular 2021 GMC Sierra 1500 Engine Parts Categories
Essential Engine Parts for 2021 GMC Sierra 1500s
Imperial – Imperial Econo-Kool Engine Oil Cooler, 240459 (Part No.240459)
from
$122.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
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Melling Select Performance – Melling Select Performance Stock Replacement Oil Galley Plug, MOGP-100HP (Part No.MOGP-100HP)
from
$31.99
Made in U.S.A. Melling performance provides oil galley plugs for LS engine block rebuilds and repairs. Our dual o-ring oil galley improve oil flow and pressure in the engine block where needed, as well as act as an added barrier to block dirty oil from bypassing the filter. Melling performance oil galley plugs are manufactured from billet aluminum to outperform stock replacement oil galley plugs to get the most performance and protection out of your engine.
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Felpro – Felpro Engine Valve Stem Oil Seal Set, SS 71039 (Part No.SS 71039)
from
$40.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Felpro – Felpro Engine Cylinder Head Bolt Set, ES 73121 (Part No.ES 73121)
from
$57.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Carquest Premium – Carquest Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack, 10099 (Part No.10099)
from
$11.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.
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Cloyes Gear – Cloyes Gear Engine Balance Shaft Chain, C927 (Part No.C927)
from
$34.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems. In some applications, the engine balance shaft chain can be a critical component or adjacent to the engine’s timing system. Available as stand-alone chains or in complete kits, Cloyes balance shaft 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 (limited) and technical support.
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GM Genuine Parts – GM Genuine Parts Non-hydraulic Eng Timing Damper Kit: Exact Fit, W/ Tensioner, Bolts, & Retainers, 12626407 (Part No.12626407)
from
$52.99
ACDelco GM Original Equipment Engine Timing Damper Kits remove unnecessary slack from the timing chain to help prevent chain rattle and excessive component wear, and are GM-recommended replacements for your vehicle’s original components. These original equipment engine timing damper kits contain components that will provide the same performance, durability, and service life you expect from General Motors.
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ARP Auto Racing – ARP Auto Racing ARP Harmonic Damper Bolt Kit, 234-2503 (Part No.234-2503)
from
$53.99
As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in place, ARP has developed these ultra-strong 200,000 psi bolts that let you exert maximum clamping force. Special features include 1/4′ thick, wide area washer and an extra tall 12-point head that accepts a deep socket and eliminates the worry of stripping the head.
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Dorman – Dorman Main Seal Cover Kit, 635-518 (Part No.635-518)
from
$84.99
This direct replacement rear main seal cover kit 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.
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Felpro – Felpro Engine Camshaft Thrust Plate, ES 73115 (Part No.ES 73115)
from
$43.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
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Sealed Power – Sealed Power Engine Piston Set, H1546CPALR (Part No.H1546CPALR)
from
$85.99
Sealed Power parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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ACDelco – ACDelco Air Pressure Sensor, 12711681 (Part No.12711681)
from
$76.99
ACDelco GM Original Equipment Multi Purpose Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
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Sealed Power – Sealed Power Engine Piston Ring Set, E-921K (Part No.E-921K)
from
$194.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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Dayco – Dayco Timing Chain Kit, 3 Piece Set, Sprockets And Chain, KTC1365 (Part No.KTC1365)
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.
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GM Genuine Parts – GM Genuine Parts Oil Pan Seal, 12621086 (Part No.12621086)
from
$15.49
GM Genuine Parts Engine Oil Pan Seals are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
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Sealed Power – Sealed Power Engine Connecting Rod Bearing, 1020A .25MM (Part No.1020A .25MM)
from
$10.29
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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Felpro – Felpro Engine Valve Cover Gasket Set, VS 50907 R (Part No.VS 50907 R)
from
$26.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Felpro – Felpro Engine Oil Filler Cap Seal, 73193 (Part No.73193)
from
$5.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
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Sealed Power – Sealed Power Engine Valve Lifter, HT-2148A (Part No.HT-2148A)
from
$28.49
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
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K&N – K&N Oil Catch Can, 81-0804 (Part No.81-0804)
from
$157.99
The K&N Air Oil Separator protects the engine and intake tract from blowby by capturing the oil in our industry leading high capacity reservoir. This helps prevent power loss and possible engine damage caused by blowby. The K&N Air Oil Separator is quick and easy to install in about 30 minutes with basic tools and uses factory-style hose connections to quickly snap on and off. The oil separator replaces the factory line from the crank case allowing the oil separator to be mounted to a coinvent location in your engine bay. No tools are needed to check and empty the oil collector reservoir. Each unit is engineered specifically for your vehicle and is backed by our No-Hassle Limited Warranty.
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Felpro – Felpro PermaDryPlus with SpeedFit Engine Oil Pan Gasket Set – 16 Bolt Hole, One Piece Gasket, OS 30953 T (Part No.OS 30953 T)
from
$109.99
Save time on your next oil pan repair with the Fel-Pro PermaDryPlus oil pan gasket with SpeedFit technology. Designed to replace the RTV that originally sealed the oil pan, using a Fel-Pro oil pan gasket simplifies the installation with no waiting for the RTV to cure.
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GM Genuine Parts – GM Genuine Parts Engine Camshaft Position Sensor, 12623093 (Part No.12623093)
from
$26.99
ACDelco GM Original Equipment Engine Camshaft Position Sensors monitor the rotational position of the camshaft(s), and are GM-recommended replacements for your vehicle’s original components. They provide a signal to the engine control module which compares the camshaft position with the crankshaft position to determine ignition and fuel injection timing. These original equipment engine camshaft position sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
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Sealed Power – Sealed Power Engine Connecting Rod Bearing Set, 8-2555CP 30 (Part No.8-2555CP 30)
from
$78.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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Cloyes Performance – Cloyes Performance High Performance Timing Chain, 9-302 (Part No.9-302)
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.”
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Carquest – Carquest Crankshaft Position Sensor, 35C1008 (Part No.35C1008)
from
$79.99
Carquest crankshaft position sensors are designed to meet original equipment (O.E.) fit, form and function and are built to ensure reliable performance at a great price. Each sensor is 100% tested to ensure proper performance and a trouble-free installation. Carquest crankshaft position sensors are a cost-effective solution for your engine management repair. Carquest crankshaft position sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Cloyes Gear – Cloyes Gear Engine Timing Components, Camshaft Timing Kit, Crankshaft Timing Kit, Timing Set with Sprockets, Timing Drive Assembly, C-3220 (Part No.C-3220)
from
$55.99
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.
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Cloyes Gear – Cloyes Gear Engine Balance Shaft Sprocket, S1110 (Part No.S1110)
from
$34.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems. In some applications the engine balance shaft sprocket can be a critical component or adjacent to the engine’s timing system. Cloyes engine balance shaft sprockets are precision-tooled with exact tooth geometry, a perfectly matched bore, off-set and timing index for a superior fit, reliability, and long-term performance. To ensure total 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 (limited) and technical support.
See More
Sealed Power – Sealed Power Engine Connecting Rod Bearing, 2555CP 40 (Part No.2555CP 40)
from
$4.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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Upgrade your 2021 GMC Sierra 1500 with Top-Quality Engine Parts
When it comes to maintaining or upgrading your 2021 GMC Sierra 1500, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Engine Parts are key to keeping your Sierra 1500 functioning at its best. At Advance Auto Parts, we offer a wide selection of 78 Engine Parts for the 2021 GMC Sierra 1500, designed to meet your needs without breaking the bank.
From
Engine Gaskets and Seal
replacements to
Camshafts
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Engine Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Engine Parts for your 2021 GMC Sierra 1500 at great prices.
Our Engine Parts inventory for this model
ranges from just $0.99 to $264.99, with
an average price of $57.16.
Our 78 Engine Parts in stock come from 13 trusted brands, so you’re sure to find the right part for your 2021 GMC Sierra 1500 without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2021 GMC Sierra 1500, we stock popular OEM and aftermarket Engine Parts from top names
like Sealed Power, and more.
Sealed Power Engine Parts
start at just $6.29 and boast an impressive 4.4 stars average rating from customers.
With 76 customer reviews and counting, our 2021 GMC Sierra 1500 Engine Parts have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Engine Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 2021 GMC Sierra 1500 is always ready to roll. We’re committed to providing you with everything you need to keep your Sierra 1500 in top shape, all in one place.
Start shopping confidently below for your 2021 GMC Sierra 1500!
Best-Selling Engine Gaskets and Seals for 2021 GMC Sierra 1500s
Enhance the driving experience in your GMC with 9 quality Engine Gaskets and Seal components, starting at $5.99.
Felpro – Felpro Engine Valve Stem Oil Seal Set, SS 71039 (Part No.SS 71039)
from
$40.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Oil Filler Cap Seal, 73193 (Part No.73193)
from
$5.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
See More
Felpro – Felpro Engine Valve Cover Gasket Set, VS 50907 R (Part No.VS 50907 R)
from
$26.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More
Felpro – Felpro Engine Valve Stem Oil Seal Set, SS 71039-1 (Part No.SS 71039-1)
from
$33.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Dorman – Dorman Main Seal Cover Kit, 635-786 (Part No.635-786)
from
$149.99
This direct replacement rear main seal 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.
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Victor Reinz – Victor Reinz Engine Oil Pan Gasket Set, 10-10318-01 (Part No.10-10318-01)
from
$42.99
Built to meet or exceed the standards of original equipment manufacturers around the world and avoid comebacks Victor Reinz oil pan gaskets deliver the seal that prevents drops on the driveway. Victor Reinz engineers select the best designs and materials for the specific application. The level of sophistication in oil pan gasket form and function has jumped greatly in recent years, with the gasket often being an integral part of the manufacturers efforts to control engine noise, vibration, and harshness (NVH). Only a company with innovative gasket technology can supply the right gasket for every application, new or old.
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Felpro – Felpro Engine Crankshaft Seal Kit, BS 40765 (Part No.BS 40765)
from
$24.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Victor Reinz – Victor Reinz REINZOSIL RTV Silicone, 70-31414-10 (Part No.70-31414-10)
from
$8.49
Victor Reinz Reinzosil is a permanently elastic, universal silicone sealing compound that is resistant to extreme temperatures, mineral oils, numerous synthetic oils, lubricants, gasoline, diesel/biodiesel fuels, greases, hot and cold water, detergents, sunlight, ozone, and salt water. Its durability, flexibility, and versatility make it a favourite among import car repair specialists. Reinzosil is the RTV sealant of choice in Europe; now, Victor Reinz brings this exceptional, in-demand product to the North American aftermarket. Reinzosil is so versatile that it can replace a dozen or more other varieties of RTV, eliminating excessive SKUs and saving valuable inventory space., Victor Reinz Reinzosil is a permanently elastic, universal silicone sealing compound that is resistant to extreme temperatures, mineral oils, numerous synthetic oils, lubricants, gasoline, diesel/biodiesel fuels, greases, hot and cold water, detergents, sunlight, ozone, and salt water. Its durability, flexibility, and versatility make it a favourite among import car repair specialists. Reinzosil is the RTV sealant of choice in Europe; now, Victor Reinz brings this exceptional, in-demand product to the North American aftermarket. Reinzosil is so versatile that it can replace a dozen or more other varieties of RTV, eliminating excessive SKUs and saving valuable inventory space.
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GM Genuine Parts – GM Genuine Parts Oil Pan Gasket, 12666993 (Part No.12666993)
from
$7.99
GM Genuine Parts Engine Oil Pan Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
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Most Popular 2021 GMC Sierra 1500 Camshafts
Customize your GMC with 5 Camshafts products
like Camshaft Position Sensors,
Camshaft Followers, and
Camshaft Thrust Plate and Bearings, all
priced under $57.99.
GM Genuine Parts – GM Genuine Parts Engine Camshaft Position Sensor, 12623093 (Part No.12623093)
from
$26.99
ACDelco GM Original Equipment Engine Camshaft Position Sensors monitor the rotational position of the camshaft(s), and are GM-recommended replacements for your vehicle’s original components. They provide a signal to the engine control module which compares the camshaft position with the crankshaft position to determine ignition and fuel injection timing. These original equipment engine camshaft position sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
See More
Felpro – Felpro Engine Camshaft Thrust Plate, ES 73115 (Part No.ES 73115)
from
$43.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
See More
Sealed Power – Sealed Power Engine Valve Lifter, sold as each, HT-2320 (Part No.HT-2320)
from
$57.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More
Dorman – Dorman Magnetic Camshaft Position Sensor, 962-277 (Part No.962-277)
from
$25.99
This engine camshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.
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Carquest Premium – Carquest Engine Camshaft Position Sensor, CSA1959 (Part No.CSA1959)
from
$25.99
Carquest Premium camshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
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Top Picks for 2021 GMC Sierra 1500 Engine Timing Parts
Upgrade GMC Sierra 1500s with top-quality Engine Timing Parts parts, including 15 OEM and aftermarket selections for your 2021 model.
Cloyes Gear – Cloyes Gear Engine Timing Chain, 9-4205 (Part No.9-4205)
from
$45.49
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.
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ACDelco – ACDelco Timing Chain, 12646386 (Part No.12646386)
from
$75.99
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.
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3678X5Z (Part No.9-3678X5Z)
from
$264.99
“Cloyes Performance Tensioner Elimination GM LT Engine Timing “”Z”” chain det eliminates the factory tensioner while maintaining tunable accurate timing for VVT-equipped LT engines. By removing the factory tensioner, this kit eliminates chain slack and potential failure. The “”Z”” chain offers superior strength and durability for VVT LT engines, reducing the risk of chain stretch or fatigue. The combination of Cloyes TRUE Roller “”Z”” Chain and precision-machined sprockets ensures a center distance corrected timing drive for extreme performance on VVT-equipped LT engines.”
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Cloyes Gear – Cloyes Gear Engine Timing Chain Kit, 9-4205SD (Part No.9-4205SD)
from
$246.99
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.
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Cloyes Performance – Cloyes Performance High Performance Timing Set, 9-3678X5 (Part No.9-3678X5)
from
$139.99
Cloyes Performance Tensioner Elimination GM LT Engine Timing Set eliminates the factory tensioner while maintaining tunable accurate timing for VVT-equipped LT engines. By removing the factory tensioner, this kit eliminates chain slack and potential failure. The combination of Cloyes TRUE Roller chain, and precision-machined sprockets ensures a center distance corrected timing drive for reliable performance on VVT-equipped LT engines.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Kit, 9-4205SC (Part No.9-4205SC)
from
$125.99
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.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Kit, 9-4205SDX (Part No.9-4205SDX)
from
$114.99
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.
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Cloyes Gear – Cloyes Gear Engine Timing Crankshaft Sprocket, S1111 (Part No.S1111)
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 Warranty (limited) and technical support.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Kit, 9-4205SCX (Part No.9-4205SCX)
from
$67.99
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.
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INA US – INA US Engine Timing Chain, ZC-9-4205 (Part No.ZC-9-4205)
from
$53.99
INA Timing Chains are designed to meet or exceed OE quality and performance. All our chain Plates and Pins are heat treated to precise hardness for maximum performance and durability.
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Cloyes Gear – Cloyes Gear Engine Balance Shaft Chain, C927 (Part No.C927)
from
$34.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems. In some applications, the engine balance shaft chain can be a critical component or adjacent to the engine’s timing system. Available as stand-alone chains or in complete kits, Cloyes balance shaft 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 (limited) and technical support.
See More
Cloyes Gear – Cloyes Gear Engine Balance Shaft Sprocket, S1110 (Part No.S1110)
from
$34.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems. In some applications the engine balance shaft sprocket can be a critical component or adjacent to the engine’s timing system. Cloyes engine balance shaft sprockets are precision-tooled with exact tooth geometry, a perfectly matched bore, off-set and timing index for a superior fit, reliability, and long-term performance. To ensure total 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 (limited) and technical support.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Tensioner, 9-5978 (Part No.9-5978)
from
$33.99
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 Warranty (limited) and technical support.
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Cloyes Gear – Cloyes Gear Engine Timing Chain Tensioner, 9-5977 (Part No.9-5977)
from
$31.99
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 Warranty (limited) and technical support.
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Cloyes Gear – Cloyes Gear Engine Balance Shaft Chain Guide, 9-5976 (Part No.9-5976)
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$20.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems. A balance shaft chain guide serves as a guide (or track) for the balance shaft chain ensuring proper alignment and balance shaft timing. Cloyes balance shaft chain guides use the latest in design and material technology, ensuring quiet operation, durability that meet or exceed OEM performance. To ensure total 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 (limited) and technical support.
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In-Demand Valve Cover and Cylinder Heads for 2021 GMC Sierra 1500s
Select from 7 premium Valve Cover and Cylinder Heads parts for your 2021 GMC Sierra 1500, with prices ranging from $11.79 to $79.99.
Sealed Power – Sealed Power Engine Valve Lifter, HT-2303 (Part No.HT-2303)
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$57.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
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Sealed Power – Sealed Power Engine Valve Lifter, HT-2148A (Part No.HT-2148A)
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$28.49
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
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Felpro – Felpro Engine Cylinder Head Bolt Set, ES 73121 (Part No.ES 73121)
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$57.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Felpro – Felpro PermaTorque Engine Cylinder Head Gasket, 26744 PT (Part No.26744 PT)
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$67.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.
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Felpro – Felpro PermaTorque Engine Cylinder Head Gasket, 26749 PT (Part No.26749 PT)
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$79.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Felpro – Felpro Engine Cylinder Head Bolt Set, ES 73121-1 (Part No.ES 73121-1)
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$57.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Melling Select Performance – Melling Select Performance Valve Train Set Up Spring, VTSS100 (Part No.VTSS100)
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$11.79
Melling Performance valvetrain checking springs feature a low-tension design that allows them to be installed by hand for measuring piston-to-valve clearance, rocker arm ratio, and degreeing in a camshaft.
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Most Sold 2021 GMC Sierra 1500 Engine Mounts
Explore our best-selling GMC parts for the 2021 Sierra 1500 among 6 OEM and aftermarket options starting from $76.99.
Anchor – Anchor Engine Mount: Front Right, 1 Piece, 3557 (Part No.3557)
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$90.99
Anchor 3557 This mount supports the engine and dampen vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.
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Anchor – Anchor Engine Mount, 3586 (Part No.3586)
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$88.99
Anchor Engine Mount, 3586. DRIVELINE PARTS AND MOUNTS>MOUNTS>ENGINE MOUNTS>ENGINE MOUNTS from Anchor
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Anchor – Anchor Engine Mount: Front Left, 1 Piece, 3556 (Part No.3556)
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$82.99
Anchor 3556 This mount supports the engine and dampen vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.
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Anchor – Anchor Engine Mount, 3585 (Part No.3585)
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$80.99
Anchor Engine Mount, 3585. DRIVELINE PARTS AND MOUNTS>MOUNTS>ENGINE MOUNTS>ENGINE MOUNTS from Anchor
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Anchor – Anchor Engine Mount, 3594 (Part No.3594)
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$79.99
This mount supports the engine and dampens vibration. All mounts are engineered and designed to OEM standards using the latest CAD/CAM engineering process ensuring the highest consistency and quality. Only natural and Styrene Butadiene rubber is used to provide premium abrasion resistance, aging stability to ensure maximum life, and performance. Any included fasteners are hardened steel with heat treated Grade 5 bolts. Chemlock bonding agent is used to ensure a superior rubber-to-metal bond. All Rubber material is manufactured to specific Durometer (hardness) measurements based on vehicle application requirements. Hydraulic Mounts, applicable where OE, are engineered for high vibration and torque applications and filled with special hydraulic fluid to dampen excess noise and vibration.
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Anchor – Anchor Engine Mount, 3593 (Part No.3593)
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$76.99
Anchor Engine Mount, 3593. DRIVELINE PARTS AND MOUNTS>MOUNTS>ENGINE MOUNTS>ENGINE MOUNTS from Anchor
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Top-Rated Engine Parts Brands For Your 2021 GMC Sierra 1500
Shop for the best-rated brands offering Engine Parts and other products for your 2021 GMC Sierra 1500s. Below you’ll find some of our best rated Engine Parts from Sealed Power, and more. Engine Parts from these brands that fit a 2021 Sierra 1500 start at just $6.29 and are rated as high as 4.4 stars. OEM and aftermarket Engine Parts don’t get more top quality, durable, and affordable than from the brands below.
Popular Sealed Power 2021 GMC Sierra 1500 Engine Parts
When it comes to maintaining or upgrading your 2021 GMC Sierra 1500, using quality Engine Parts is essential to ensure durability and a perfect fit. Sealed Power ticks all of those boxes. We offer a wide selection of Sealed Power Engine Parts, specifically designed for the 2021 GMC Sierra 1500. With over 3 Sealed Power brand Engine Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $6.29, with an average price of just $23.96. Plus, with over 7 customer reviews and an average rating of 4.4 stars, you can trust that our Sealed Power Engine Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
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$6.29
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Sealed Power Engine Connecting Rod Bearing, 2555A 20
“I needed these parts right away & Advance Auto had them in stock. They were exactly what I needed, they worked great.”
FAQs for 2021 GMC Sierra 1500 Engine Parts
Which Engine Parts are best-sellers for 2021 GMC Sierra 1500s?
Out of 78 Engine Parts that fit 2021 GMC Sierra 1500s, the following parts are the top sellers:
- Sealed Power Engine Valve Lifter, HT-2148A (12486346) – $28.49
- Felpro Engine Valve Stem Oil Seal Set, SS 71039 (20680518) – $40.99
- Sealed Power Engine Connecting Rod Bearing, 2555A 10 (19694903) – $6.29
What’s the price range for 2021 GMC Sierra 1500 Engine Parts?
Engine Part prices for the 2021 GMC Sierra 1500 start at $0.99 and go up to $264.99 for the most premium parts.
What’s the average price of a Engine Part for a 2021 GMC Sierra 1500?
The average price for Engine Parts for the 2021 GMC Sierra 1500 is $57.16. Keep in mind the variety of part types within our Engine Part category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Engine Parts for other GMC Sierra 1500 model years?
What are the cheapest Engine Parts for my 2021 GMC Sierra 1500?
The cheapest 2021 GMC Sierra 1500 Engine Parts we carry in stock are:
- Felpro Engine Oil Dipstick Tube O-Ring, 73889 (50251306) – $0.99
- Sealed Power Engine Connecting Rod Bearing, 2555A 2 (20683077) – $4.99
- Felpro Engine Oil Filler Cap Seal, 73193 (12005635) – $5.99
- Sealed Power Engine Connecting Rod Bearing, 2555A 10 (19694903) – $6.29
- Sealed Power Engine Connecting Rod Bearing, 2555A 20 (19694902) – $6.29
What are the top-rated Engine Parts that fit the 2021 GMC Sierra 1500?
Out of 76 reviews by customers, our 2021 GMC Sierra 1500 Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 2021 GMC Sierra 1500 and their top-rated products:
- Engine Gaskets and Seals
- Felpro Engine Valve Stem Oil Seal Set, SS 71039 (20680518) – $40.99
What types of Engine Parts do you sell for my 2021 GMC Sierra 1500?
As of 8/2/26, these are some of the most in-demand types of Engine Parts for a 2021 GMC Sierra 1500:
Can I get help with 2021 GMC Sierra 1500 Engine 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 Parts and more.
What is your return policy for GMC Sierra 1500 Engine Parts?
Advance Auto Parts keeps returns simple. For new GMC Sierra 1500 Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
