2021 Toyota Sienna Engine Parts

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Essential Engine Parts for 2021 Toyota Siennas

Carquest Premium – Engine Variable Valve Timing (VVT) Adjuster Magnet (Part No.VVA1465)

Engine Variable Valve Timing (VVT) Adjuster Magnet

from

$136.99
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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Carquest Premium – Engine Variable Valve Timing (VVT) Adjuster Magnet (Part No.VVA1511)

Engine Variable Valve Timing (VVT) Adjuster Magnet

from

$121.99
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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Cloyes Gear – Engine Oil Pump Chain Tensioner (Part No.9-6157)

Engine Oil Pump Chain Tensioner

from

$17.99
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 Warranty and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
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Cloyes Gear – Engine Oil Pump Chain (Part No.C996)

Engine Oil Pump Chain

from

$24.99
Product Features:
  • Pre-stressed and heat-treated steel construction for increased strength, and wear resistance, delivering long-term durability even in high-stress environments
  • Cloyes chains are engineered and manufactured with precision pitch control to ensure optimal chain-to-sprocket fit reducing noise, minimizing fatigue, and maintaining accurate timing
  • Designed in the USA and manufactured using premium materials for OE-level fit and function, allowing for smooth installation and reliable performance
  • Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
  • Available in application-specific kit or as a stand-alone chain, offering installation flexibility and convenience
  • Backed by Limited Warranty and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
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DENSO – Crankshaft Position Sensor (Part No.196-1003)

Crankshaft Position Sensor

from

$128.99
DENSO’s crankshaft position sensors are manufactured to the strictest OE standards resulting in unsurpassed reliability durability and detection accuracy. DENSO’s crankshaft position sensors offer leading edge sensing technology which helps control ignition timing more precisely.

Product Features:
  • OE technology adapted for the aftermarket
  • Reduces emissions, increased performance
  • Delivers the highest reliability and detection accuracy
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Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSA4416)

Engine Crankshaft Position Sensor

from

$324.99
Carquest Premium crankshaft 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.

Product Features:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • Extensive design validation testing and 100% end-of-line tested.
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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DENSO – Crankshaft Position Sensor (Part No.196-1117)

Crankshaft Position Sensor

from

$190.99
DENSO’s crankshaft position sensors are manufactured to the strictest OE standards resulting in unsurpassed reliability durability and detection accuracy. DENSO’s crankshaft position sensors offer leading edge sensing technology which helps control ignition timing more precisely.

Product Features:
  • OE technology adapted for the aftermarket
  • Reduces emissions, increased performance
  • Delivers the highest reliability and detection accuracy
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Anchor – Engine Mount: Front, 1 Piece (Part No.9884)

Engine Mount: Front, 1 Piece

from

$106.99
Anchor 9884 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.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlok bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 2007-2020
  • Weight approx: 5 Lbs
  • Hydraulic
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Anchor – Engine Mount: Right, 1 Piece (Part No.9238)

Engine Mount: Right, 1 Piece

from

$129.99
Anchor 9238 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.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlok bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 2005-2020
  • Weight approx: 4 Lbs
  • Hydraulic
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Anchor – Engine Mount: Front, 1 Piece (Part No.9992)

Engine Mount: Front, 1 Piece

from

$111.99
Anchor 9992 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.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlok bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 2007-2010
  • Weight approx: 6 Lbs
  • Hydraulic
  • With Vacuum
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Victor Reinz – Engine Valve Cover Gasket Set (Part No.15-43042-02)

Engine Valve Cover Gasket Set

from

$41.99
Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Application specific molded rubber construction
  • Engineered cross section
  • Includes all components required to complete the repair
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50471 R)

Engine Valve Cover Gasket Set

from

$35.99
Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50588 R)

Engine Valve Cover Gasket Set

from

$30.99
Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
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Cloyes Gear – Engine Timing Chain Guide (Part No.9-5576)

Engine Timing Chain Guide

from

$49.99
Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design And material technology, ensuring quiet And maintenance-free experience.

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
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Designed to meet or exceed OEM performance requirements
  • Refer to our online catalog for detailed application-specific information
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Cloyes Gear – TIMING CHAIN GUIDE (Part No.9-6046)

TIMING CHAIN GUIDE

from

$13.99
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. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.

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 Warranty 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
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Cloyes Gear – Engine Timing Chain Guide (Part No.9-5798)

Engine Timing Chain Guide

from

$8.99
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
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Cloyes Gear – Engine Timing Chain (Part No.C995)

Engine Timing Chain

from

$64.99
Product Features:
  • Pre-stressed and heat-treated steel construction for increased strength, and wear resistance, delivering long-term durability even in high-stress environments
  • Cloyes chains are engineered and manufactured with precision pitch control to ensure optimal chain-to-sprocket fit reducing noise, minimizing fatigue, and maintaining accurate timing
  • Designed in the USA and manufactured using premium materials for OE-level fit and function, allowing for smooth installation and reliable performance
  • Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
  • Available in application-specific kit or as a stand-alone chain, offering installation flexibility and convenience
  • Backed by Limited Warranty and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
See More

Cloyes Gear – Engine Timing Chain (Part No.9-4215)

Engine Timing Chain

from

$122.99
Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design And material technology, ensuring quiet And maintenance-free experience.

Product Features:
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • CAD designed and manufactured using premium materials
  • Refer to our online catalog for detailed application-specific information
  • Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
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Cloyes Gear – Engine Timing Chain (Part No.9-4216)

Engine Timing Chain

from

$40.99
Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design And material technology, ensuring quiet And maintenance-free experience.

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

Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-5797)

Engine Timing Chain Tensioner

from

$35.99
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
See More

Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-6154)

Engine Timing Chain Tensioner

from

$32.99
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 Warranty and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
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Cloyes Gear – CHAIN TENSIONER (Part No.9-6047)

CHAIN TENSIONER

from

$49.99
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 and technical support.

Product Features:
  • CAD designed and manufactured using premium materials and heat-treated for OE-level fit and function, allowing for smooth installation and reliable performance
  • Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
  • Available in application-specific kit or as a stand-alone product, offering installation flexibility and convenience
  • Backed by Limited Warranty 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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DENSO – Relay (Part No.567-0003)

Relay

from

$20.99
Relay

Product Features:
  • Lifecycle lasts up to 10 times longer than the competitor’s
  • Flux free micro arc welding versus competitors that solder
  • High conductive material that does not corrode
  • Shortest path for the electrical current improves efficiency
  • Offered by world’s largest relay manufacturer
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Dayco – Timing Chain Kit, 11 Piece Set, Chains, Sprockets, Tensioners And Guides (Part No.KTC1649)

Timing Chain Kit, 11 Piece Set, Chains, Sprockets, Tensioners And Guides

from

$459.99
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: Timing Chain (3), Chain Tensioner (3), Chain Guide (4); Does NOT contain Sprockets
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Cloyes Gear – Primary Timing Chain Kit: Exact Fit, 124 Links, Timing Components, With Sprockets (Part No.9-4313S)

Primary Timing Chain Kit: Exact Fit, 124 Links, Timing Components, With Sprockets

from

$146.99
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 limited Warranty and technical support.

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

Cloyes Gear – Engine Timing Chain Kit (Part No.9-4215S)

Engine Timing Chain Kit

from

$451.99
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 limited Warranty and technical support.

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

Cloyes Gear – Engine Timing Chain Kit (Part No.9-4215SX)

Engine Timing Chain Kit

from

$456.99
Meets or exceeds OEM performance requirements. Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience. SET INCLUDES: 9-5575 Engine Timing Chain Tensioner (1 EA), 9-4215 Engine Timing Chain (1 EA), 9-5576 Engine Timing Chain Guide (1 EA), 9-5577 Engine Timing Chain Guide (2 EA), 9-5578 Engine Timing Chain Tensioner Guide (1 EA), 9-5579 Engine Timing Chain Tensioner (1 EA), 9-5580 Engine Timing Chain Tensioner (1 EA), 9-4216 Engine Timing Chain (2 EA).

Product Features:
  • Meet or exceed OEM performance requirements, ensuring a quiet and maintenance free experience
  • Utilizes the latest in design and technology to offer a complete chain kit solution
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
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Cloyes Gear – Engine Timing Chain Kit (Part No.9-0995SX)

Engine Timing Chain Kit

from

$205.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.

Product Features:
  • Cloyes chains are pre-stressed and heat-treated. Engineered and manufactured with precision pitch control to ensure optimal chain-to-sprocket fit reducing noise.
  • Sprockets are CAD designed, manufactured using premium material and heat-treated. Featuring precision-tooled tooth form, bore, off-set and timing index for superior fit, reliability, and long-term performance in engine timing repairs.
  • Timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain. All are CAD designed and manufactured using premium materials allowing for smooth installation and reliable performance.
  • Chain guides serve as a guide (or track) for the timing chain and either apply tension to the system or simply give it a path, connecting crankshaft and camshaft ensuring proper alignment and timing.
  • 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 Warranty and over 100 years of engineering leadership with unmatched technical support and repair confidence in every kit.
See More

Upgrade your 2021 Toyota Sienna with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 2021 Toyota Sienna, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Toyota or enhancing its overall performance, Engine Parts are key to keeping your Sienna functioning at its best. At Advance Auto Parts, we offer a wide selection of 12 Engine Parts for the 2021 Toyota Sienna, designed to meet your needs without breaking the bank. From Engine Gaskets and Seal replacements to Engine Switches, Sensors and Relays 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 Toyota Sienna at great prices. Our Engine Parts inventory for this model ranges from just $9.99 to $324.99, with an average price of $86.32. Our 12 Engine Parts in stock come from 5 trusted brands, so you’re sure to find the right part for your 2021 Toyota Sienna without overspending.

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 Toyota Sienna is always ready to roll. We’re committed to providing you with everything you need to keep your Sienna in top shape, all in one place. Start shopping confidently below for your 2021 Toyota Sienna!

Best-Selling Engine Gaskets and Seals for 2021 Toyota Siennas

Enhance the driving experience in your Toyota with 1 quality Engine Gaskets and Seal components, starting at $9.99.

Victor Reinz – RTV Silicone (Part No.70-31414-10)

RTV Silicone

from

$9.99
Product Features:
  • Resistant to temperatures from -58 Deg. F to 482 Deg. F, and briefly up to 572 Deg. F (-50 Deg. C to 250 Deg. C, briefly to 300 Deg. C)
  • Insignificant shrinkage and loss of mass even in high-heat environments
  • Fast-curing, low-odor, noncorrosive (pH neutral, non-acidic, non-oxidizing), and will not harm oxygen sensors
  • Sealing gap 0.006 in (0.15 mm)
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Most Popular 2021 Toyota Sienna Engine Switches, Sensors and Relays

Customize your Toyota with 1 Engine Switches, Sensors and Relays products like Crankshaft Position Sensors, all priced under $324.99.

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSA4416)

Engine Crankshaft Position Sensor

from

$324.99
Carquest Premium crankshaft 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.

Product Features:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • Extensive design validation testing and 100% end-of-line tested.
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Top Picks for 2021 Toyota Sienna Engine Mounts

Upgrade Toyota Siennas with top-quality Engine Mounts parts, including 1 OEM and aftermarket selections for your 2021 model.

Anchor – Engine Mount (Part No.10229)

Engine Mount

from

$143.99
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.

Product Features:
  • This mount supports the engine and dampens vibration.
  • 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.
  • Limited Warranty.
  • All mounts are specifically engineered and designed to OE 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 and aging stability to ensure maximum life and performance.
  • Any included fasteners are hardened steel with heat treated Grade No. 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 specifically engineered for high vibration and torque applications and are filled with special hydraulic fluid to dampen excess noise and vibration.
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In-Demand Camshafts for 2021 Toyota Siennas

Select from 1 premium Camshafts parts for your 2021 Toyota Sienna.

Carquest Premium – Engine Variable Valve Timing (VVT) Adjuster Magnet (Part No.VVA1511)

Engine Variable Valve Timing (VVT) Adjuster Magnet

from

$121.99
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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Most Sold 2021 Toyota Sienna Engine Timing Parts

Explore our best-selling Toyota parts for the 2021 Sienna among 5 OEM and aftermarket options starting from $29.99.

Cloyes Gear – Engine Timing Chain Kit (Part No.9-0995SX)

Engine Timing Chain Kit

from

$205.99
Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.

Product Features:
  • Cloyes chains are pre-stressed and heat-treated. Engineered and manufactured with precision pitch control to ensure optimal chain-to-sprocket fit reducing noise.
  • Sprockets are CAD designed, manufactured using premium material and heat-treated. Featuring precision-tooled tooth form, bore, off-set and timing index for superior fit, reliability, and long-term performance in engine timing repairs.
  • Timing chain tensioners can use spring tension or hydraulic pressure to properly tension the chain. All are CAD designed and manufactured using premium materials allowing for smooth installation and reliable performance.
  • Chain guides serve as a guide (or track) for the timing chain and either apply tension to the system or simply give it a path, connecting crankshaft and camshaft ensuring proper alignment and timing.
  • 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 Warranty and over 100 years of engineering leadership with unmatched technical support and repair confidence in every kit.
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Cloyes Gear – Engine Timing Chain (Part No.C995)

Engine Timing Chain

from

$64.99
Product Features:
  • Pre-stressed and heat-treated steel construction for increased strength, and wear resistance, delivering long-term durability even in high-stress environments
  • Cloyes chains are engineered and manufactured with precision pitch control to ensure optimal chain-to-sprocket fit reducing noise, minimizing fatigue, and maintaining accurate timing
  • Designed in the USA and manufactured using premium materials for OE-level fit and function, allowing for smooth installation and reliable performance
  • Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
  • Available in application-specific kit or as a stand-alone chain, offering installation flexibility and convenience
  • Backed by Limited Warranty and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
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Cloyes Gear – Engine Timing Chain Tensioner Guide (Part No.9-6159)

Engine Timing Chain Tensioner Guide

from

$36.99
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 Warranty and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
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Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-6154)

Engine Timing Chain Tensioner

from

$32.99
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 Warranty and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
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Cloyes Gear – Engine Timing Chain Guide (Part No.9-6158)

Engine Timing Chain Guide

from

$29.99
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 Warranty and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component
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FAQs for 2021 Toyota Sienna Engine Parts

Which Engine Parts are best-sellers for 2021 Toyota Siennas?

Out of 12 Engine Parts that fit 2021 Toyota Siennas, the following parts are the top sellers:

What’s the price range for 2021 Toyota Sienna Engine Parts?

Engine Part prices for the 2021 Toyota Sienna start at $9.99 and go up to $324.99 for the most premium parts.

What’s the average price of a Engine Part for a 2021 Toyota Sienna?

The average price for Engine Parts for the 2021 Toyota Sienna is $86.32. 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 Toyota Sienna model years?

Yes, we currently carry Engine Parts for 26 model years of Toyota Siennas between 1998 and 2025. Engine Parts are bought most frequently for the following model years: 2022, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Engine Parts for my 2021 Toyota Sienna?

The cheapest 2021 Toyota Sienna Engine Parts we carry in stock are:

What types of Engine Parts do you sell for my 2021 Toyota Sienna?

As of 3/1/26, these are some of the most in-demand types of Engine Parts for a 2021 Toyota Sienna:

Can I get help with 2021 Toyota Sienna Engine Part orders?

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

What is your return policy for Toyota Sienna Engine Parts?

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