2012 Jeep Grand Cherokee Engine Timing Parts

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.

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

Product Features:

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

This replacement camshaft adjuster magnet is a direct replacement for a damaged original equipment magnet. Made of quality materials for durability, this part has been tested to ensure a proper fit.

Product Features:

• Ideal replacement – this VVT adjuster magnet matches the fit and function of the original equipment part to restore proper operation to the variable valve timing system
• Durable construction – this VVT adjuster magnet is made of quality materials to ensure reliable performance and a long service life
• Cost-effective solution – offers original equipment performance at competitive price
• Quality tested – this part has undergone try-on testing to ensure a quality fit

Product Features:

• Built with premium materials and OEM-matching connectors for plug-and-play compatibility, simplifying installation
• Designed for consistent oil flow control to optimize camshaft timing, improving engine response and fuel efficiency
• 100% production-tested for fitment, leakage, maximum oil flow, and duty cycle, ensuring reliable performance under all conditions
• Includes necessary attachment bolts, gaskets, O-rings, and guaranteed fitment with OEM wiring connectors to ensure proper installation and solenoid function
• Supported by Cloyes limited warranty and technical support, providing peace of mind on every repair.

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.

Variable Valve Timing (VVT) Sprockets, also known as camshaft phaser, offer technicians a repair solution for higher mileage vehicles and include all necessary components for a complete repair. Designed and manufactured using premium materials. 100% tested and measured for function, fitment, and durability to ensure optimal performance. Test parameters include adjustable angle, leakage, locking pin functionality and friction. Includes new camshaft phaser torque-to-yield (TTY) attachment bolts including valving bolts to ensure proper installation and phaser function. Cloyes recommends replacing the timing chain, tensioners, sprockets, and guides alongside VVT components to maintain system stability and ensure precise engine timing. Trusted by professionals for over a century and backed by an industry-leading warranty and technical support.

Product Features:

• Precision-tooled tooth form ensures exact camshaft timing and reliable performance
• High-quality materials for long-lasting durability under extreme heat, pressure, and wear
• 100% production-tested for adjustable angle, leakage, locking pin function, and friction to guarantee precise fit and function
• Includes torque-to-yield attachment bolts including valving bolts for proper installation, reducing the risk of failures or comebacks
• Seamlessly integrates with existing timing systems, helping technicians restore engine efficiency with confidence
• Backed by Cloyes Limited Warranty and technical support, providing peace of mind on every repair.

Variable Valve Timing (VVT) Sprockets, also known as camshaft phaser, offer technicians a repair solution for higher mileage vehicles and include all necessary components for a complete repair. Designed and manufactured using premium materials. 100% tested and measured for function, fitment, and durability to ensure optimal performance. Test parameters include adjustable angle, leakage, locking pin functionality and friction. Includes new camshaft phaser torque-to-yield (TTY) attachment bolts including valving bolts to ensure proper installation and phaser function. Cloyes recommends replacing the timing chain, tensioners, sprockets, and guides alongside VVT components to maintain system stability and ensure precise engine timing. Trusted by professionals for over a century and backed by an industry-leading warranty and technical support.

Product Features:

• Precision-tooled tooth form ensures exact camshaft timing and reliable performance
• High-quality materials for long-lasting durability under extreme heat, pressure, and wear
• 100% production-tested for adjustable angle, leakage, locking pin function, and friction to guarantee precise fit and function
• Includes torque-to-yield attachment bolts including valving bolts for proper installation, reducing the risk of failures or comebacks
• Seamlessly integrates with existing timing systems, helping technicians restore engine efficiency with confidence
• Backed by Cloyes Limited Warranty and technical support, providing peace of mind on every repair.

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

Product Features:

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

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.

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

Product Features:

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

Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components.

Product Features:

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

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.

Built on award-winning innovation, Cloyes Variable Valve Timing (VVT) kits deliver precision, performance, and a complete repair. Cloyes, a leader in timing systems since 1921, provides technicians with superior repair solutions. Our award-winning VVT Kits, including camshaft phasers (sprockets), solenoids and timing components, are engineered for precision, durability, and optimal engine performance. Cloyes VVT Kits offer complete repair solution with all necessary components included for an easy install. Made with premium-grade materials to ensure durability and longevity. Each part is production tested to ensure quality fit, function, and performance. Engineered for precise fitment, seamless operation, and easy installation and backed by Cloyes’ commitment to quality and reliability. SET INCLUDES: 9-5747 Engine Timing Chain Tensioner (1 EA), 9-5748 Engine Timing Chain Guide (1 EA), 9-5749 Engine Timing Chain Guide (1 EA), 9-5750 Engine Timing Chain Guide (1 EA), 9-5751 Engine Timing Chain Tensioner (1 EA), 9-5752 Engine Timing Chain Tensioner (1 EA), 9-5753 Engine Timing Chain Tensioner Guide (1 EA), 9-5754 Engine Timing Chain Tensioner Guide (1 EA), 9-5755 Engine Oil Pump Chain Tensioner (1 EA), C511 Engine Timing Chain (1 EA), C512 Engine Timing Chain (2 EA), C513 Engine Oil Pump Chain (1 EA), S1004 Engine Oil Pump Sprocket (1 EA), S1006 Engine Timing Idler Sprocket (1 EA), S1023 Engine Timing Crankshaft Sprocket (1 EA), VC130 Engine Variable Valve Timing (VVT) Sprocket (2 EA), VC131 Engine Variable Valve Timing (VVT) Sprocket (2 EA), VCB118 Engine Variable Valve Timing (VVT) Sprocket Bolt 4 EA, VTS127 Engine Variable Valve Timing (VVT) Solenoid 4 EA.

Product Features:

• OE-Quality: Manufactured using premium-grade materials to meet or exceed OE specifications ensuring durability and long-lasting performance.
• Production Tested for individual part performance and system fit, reducing the risk of installation issues or comebacks
• Complete Repair Kits: Includes gaskets, O-rings, and any necessary fasteners needed for a full, professional repair, reducing the risk of comebacks.
• Backed by Limited Warranty and century-long reputation offering unmatched repair confidence in every component.

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

Product Features:

• High quality chains prevent stretch for the life of the kit, addressing the no. 1 replacement issue
• Precision machined sprockets for exact timing
• High-grade plastic guides use same material as OE for excellent wear resistance
• Contains: Crankshaft Sprocket, Oil Pump Sprocket, Idler Sprocket, Timing Chain (4), Chain Tensioner (3), Chain Guide (3), Tensioner Guide (2), Oil Pump Tensioner

Since 1921, Cloyes has been the trusted leader in automotive timing systems delivering premium-quality solutions. Cloyes engine timing chain kits are engineered for precision, durability, and optimal engine performance. Kits include all chains, sprockets, tensioners, chain guides, and chain tensioner guides – respective to application and kit selection. To ensure total timing system integrity, Cloyes recommends replacing all engine timing components.

Product Features:

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

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

Product Features:

• High quality chains prevent stretch for the life of the kit, addressing the no. 1 replacement issue
• Precision machined sprockets for exact timing
• High-grade plastic guides use same material as OE for excellent wear resistance
• Contains: Crankshaft Sprocket, Timing Chain, Chain Tensioner, Chain Guide Does Not Contain Variable Valve Sprocket

ENG TIMING CHAIN KIT

ENGINE TIMING SET

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

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

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

This engine timing chain tensioner is designed to match the fit and function of the original tensioner on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:

• Direct replacement – this engine timing chain tensioner is designed to match the fit and function of the original tensioner on specified applications
• Recommended for replacement when a new timing chain and pulleys are installed
• Durable construction – this part is made from quality materials to ensure reliable performance and long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

ENG TIMNG CHAINTNSNR

ENG TIMNG CHAINTNSNR

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