2003 Jeep Wrangler Engine Timing Parts

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco’s timing belt kits with water pump ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners, idler pulleys and water pumps – each matched to a specific vehicle make and model. In addition, the water pump features superior gaskets that retain bolt torque, a roller bearing hub and composite seals to prevent leaks.

Product Features:

• Engineered for both domestic and import vehicle applications with a timing belt
• Includes premium Dayco components and a tough, wear-resistant belt

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.

Product Features:

• Engine$aver Hardware cost-saving application
• Repairs worn sealing surfaces to assure a leak free repair
• Meets or exceeds all original equipment specifications
• Engineered and manufactured specifically for repair applications
• Unsurpassed quality you can trust
• Validated for fit, form, and function

This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

• Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
• Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
• 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

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

Product Features:

• Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
• Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
• CAD designed and manufactured using premium materials
• Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Refer to our online catalog for detailed application-specific information

This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.

Product Features:

• Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
• Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life
• Cost-effective solution – offers original equipment quality at a competitive price
• Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life

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.

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.

Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco timing belt kits ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners and idler pulleys – each matched to a specific vehicle make and model.

Product Features:

• Engineered for both domestic and import vehicle applications with a timing belt
• All components needed for a complete timing belt replacement included in one box
• Includes premium Dayco components and tough, wear-resistant belt

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

Product Features:

• Extensively tested and measured for function, fitment, and durability to ensure optimal performance
• CAD designed and manufactured using premium materials
• 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
• Refer to our online catalog for detailed application-specific information

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

• Design type: spring loaded; multi-lip
• Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
• Good low temperature capability
• Low swell in hydrocarbon fluids
• Delivers quality and reliable performance for every type of repair

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

Product Features:

• Extensively tested and measured for function, fitment, and durability to ensure optimal performance
• CAD designed and manufactured using premium materials
• 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
• Refer to our online catalog for detailed application-specific information

Sprocket Made From High Alloy Material. Features Precision Tooth Form To Assure Proper Chain Engagement, And Is Balanced For Proper Timing.

Product Features:

• Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
• Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
• CAD designed and manufactured using premium materials
• Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Refer to our online catalog for detailed application-specific information

Our front end auxiliary drive (FEAD) solutions ensure outstanding vibration damping in the smallest of installation spaces in today┬┐s high-load engines. Besides offering a complete selection of individual components, individually-assembled FEAD kits allow holistic maintenance that help avoid secondary damages.

Product Features:

Manufactured with tough, wear-resistant fabric, high-tensile strength cord and a molded tooth surface, the Dayco timing belt provides consistent slip-proof power transfer and high resistance to oil and engine heat. The belt features a molded cog design which runs quieter and is more economical and a premium, high modulus glass fiber cord that delivers precise length stability to keep the engine running smoothly over the life of the belt.

Product Features:

• Designed for specific OHC and DOHC applications that range from normal service to high performance, high temperature engines
• Offers noise reduction and minimum dimensional tolerances for precise valve timing
• Engineered with reduced elongation for maximum durability, high abrasion resistance and better performance
• This belt has a round tooth profile; designed to fit the timing sprockets precisely

All components meet or exceed O.E.M. specifications in manufacturing and material. SET INCLUDES: S803 Engine Timing Crankshaft Sprocket (1 EA), 9-4191 Engine Balance Shaft Chain (1 EA), 9-5297 Engine Balance Shaft Chain Guide (1 EA), S642 Engine Balance Shaft Sprocket (1 EA), 9-5298 Engine Balance Shaft Chain Tensioner (1 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

High Performance 3/8″ Pitch Double Roller Replacement TRUE Roller Chain. 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.

Product Features:

• A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
• Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
• From stock replacement to high performance, Cloyes has the most complete timing chain catalog
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
• Refer to our online catalog for detailed application-specific information
• Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems

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.

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.

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
• Meet or exceed OEM performance requirements
• Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience

Sprocket Made From High Alloy Material. Features Precision Tooth Form To Assure Proper Chain Engagement, And Is Balanced For Proper Timing.

Product Features:

• Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
• Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
• CAD designed and manufactured using premium materials
• Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Refer to our online catalog for detailed application-specific information

Sprocket Made From High Alloy Material. Features Precision Tooth Form To Assure Proper Chain Engagement, And Is Balanced For Proper Timing.

Product Features:

• Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
• Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
• CAD designed and manufactured using premium materials
• Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Refer to our online catalog for detailed application-specific information

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.

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.
• All timing components designed in the USA and manufactured using premium materials.
• 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 in engineering leadership with unmatched technical support and repair confidence in every set.

Billet Crank Sprocket Has Three Keyways for +/- 4 Degrees Adjustability. Both Sprockets Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:

• The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
• Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
• Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
• Refer to our online catalog for detailed application-specific information
• Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.

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.

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.
• All timing components designed in the USA and manufactured using premium materials.
• 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 in engineering leadership with unmatched technical support and repair confidence in every set.

Manufactured to meet critical OE quality fit, form and function requirements demanded by today’s vehicle manufacturers, Dayco’s timing component kit ensures long lasting peak performance. This kit is designed to replace worn or damaged original equipment timing belts, tensioners and idler pulleys. It includes pre-packaged tensioners, idler pulleys and instructions – each matched to a specific make, model and vehicle year.

Product Features:

• Engineered for the majority of domestic and import vehicle applications with a timing belt
• All components needed for a complete timing belt replacement included in one box
• Includes premium Dayco components and a tough, wear-resistant belt
• Meets or exceeds OE 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. 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, 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, guides use the latest in design and material technology ensuring quiet operation and durability.
• 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.

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

Product Features:

• High quality chains prevent stretch for the life of the kit, addressing the no. 1 replacement issue
• Precision machined sprockets for exact timing
• High-grade plastic guides use same material as OE for excellent wear resistance
• Contains: Camshaft Sprocket, Crankshaft Sprocket, Timing Chain, Chain Tensioner, Chain Damper

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. 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, 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, guides use the latest in design and material technology ensuring quiet operation and durability.
• 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 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, guides use the latest in design and material technology ensuring quiet operation and durability.
• 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.