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Jeep Grand Cherokee Engine Parts

Built for your Jeep Grand Cherokee, this collection features engine parts designed to enhance power, response, and durability. Whether you’re upgrading a 5.7L Hemi or a 3.6L V6, these components are selected to support your build goals and maintain reliability under boost or daily driving conditions.

Inside, you’ll find everything from camshafts and pistons to cylinder heads and gasket kits, all engineered to improve engine strength and performance. These parts help optimize your Jeep’s power delivery and throttle response while ensuring long-term durability.

  • Camshafts and valvetrain components
  • Pistons, rods, and bearings
  • Cylinder heads and gasket kits
  • Performance intakes and exhaust headers

Shop engine parts upgrades for your Jeep Grand Cherokee at FastHemis.

SELECT YOUR VEHICLE

515 Results

Cometic Chrysler 5.7L Gen-3 Hemi .045in MLS Cylinder Head Gasket - 4.100in Bore - LHS
Cometic Chrysler 5.7L Gen-3 Hemi .045in MLS Cylinder Head Gasket - 4.100in Bore - LHS
usa

Cometic Chrysler 5.7L Gen-3 Hemi .045in MLS Cylinder Head Gasket - 4.100in Bore - LHS

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Chrysler 5.7L Gen-3 Hemi .080in MLS Cylinder Head Gasket - 3.950in Bore - LHS
Cometic Chrysler 5.7L Gen-3 Hemi .080in MLS Cylinder Head Gasket - 3.950in Bore - LHS
usa

Cometic Chrysler 5.7L Gen-3 Hemi .080in MLS Cylinder Head Gasket - 3.950in Bore - LHS

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Chrysler 5.7L Gen-3 Hemi .086in MLS Cylinder Head Gasket - 3.950in Bore - LHS
Cometic Chrysler 5.7L Gen-3 Hemi .086in MLS Cylinder Head Gasket - 3.950in Bore - LHS
usa

Cometic Chrysler 5.7L Gen-3 Hemi .086in MLS Cylinder Head Gasket - 3.950in Bore - LHS

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Chrysler 5.7L Gen-3 Hemi .086in MLS Cylinder Head Gasket - 3.950in Bore - RHS
Cometic Chrysler 5.7L Gen-3 Hemi .086in MLS Cylinder Head Gasket - 3.950in Bore - RHS
usa

Cometic Chrysler 5.7L Gen-3 Hemi .086in MLS Cylinder Head Gasket - 3.950in Bore - RHS

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Chrysler 5.7L Gen-3 Hemi .089in MLS Cylinder Head Gasket - 3.950in Bore - LHS
Cometic Chrysler 5.7L Gen-3 Hemi .089in MLS Cylinder Head Gasket - 3.950in Bore - LHS
usa

Cometic Chrysler 5.7L Gen-3 Hemi .089in MLS Cylinder Head Gasket - 3.950in Bore - LHS

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Chrysler 5.7L Gen-3 Hemi .095in MLS Cylinder Head Gasket - 3.950in Bore - RHS
Cometic Chrysler 5.7L Gen-3 Hemi .095in MLS Cylinder Head Gasket - 3.950in Bore - RHS
usa

Cometic Chrysler 5.7L Gen-3 Hemi .095in MLS Cylinder Head Gasket - 3.950in Bore - RHS

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Chrysler 5.7L Gen-3 Hemi .140in MLS Cylinder Head Gasket - 3.950in Bore - LHS
Cometic Chrysler 5.7L Gen-3 Hemi .140in MLS Cylinder Head Gasket - 3.950in Bore - LHS
usa

Cometic Chrysler 5.7L Gen-3 Hemi .140in MLS Cylinder Head Gasket - 3.950in Bore - LHS

Cometic Gasket

Regular price $261.92 $235.73 10% off

Unit price
per 

Cometic Dodge 5.7L Hemi 4.100in Bore .075 inch MLS LHS Head Gasket
Cometic Dodge 5.7L Hemi 4.100in Bore .075 inch MLS LHS Head Gasket
usa

Cometic Dodge 5.7L Hemi 4.100in Bore .075 inch MLS LHS Head Gasket

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Fiber Intake End Seals Kit (F&R): Fits Jeep / Dodge Ram / Dakota / Durango (93-10)
Cometic Fiber Intake End Seals Kit (F&R): Fits Jeep / Dodge Ram / Dakota / Durango (93-10)
usa

Cometic Fiber Intake End Seals Kit (F&R): Fits Jeep / Dodge Ram / Dakota / Durango (93-10)

Cometic Gasket

Regular price $15.50 $13.94 10% off

Unit price
per 

Cometic Gasket .031in Fiber Fuel Pump Gasket: Fits Jeep / Dodge (93-06)
Cometic Gasket .031in Fiber Fuel Pump Gasket: Fits Jeep / Dodge (93-06)
usa

Cometic Gasket .031in Fiber Fuel Pump Gasket: Fits Jeep / Dodge (93-06)

Cometic Gasket

Regular price $2.60 $2.34 10% off

Unit price
per 

Cometic Gasket .032in AFM Thermostat Gasket: Fits Jeep / Dodge / Ram (93-03)
Cometic Gasket .032in AFM Thermostat Gasket: Fits Jeep / Dodge / Ram (93-03)
usa

Cometic Gasket .032in AFM Thermostat Gasket: Fits Jeep / Dodge / Ram (93-03)

Cometic Gasket

Regular price $1.30 $1.17 10% off

Unit price
per 

Cometic Gasket .032in MLX Cylinder Head Gasket (RHS): Fits Dodge / Chrysler / Jeep / Ram (11-26)
Cometic Gasket .032in MLX Cylinder Head Gasket (RHS): Fits Dodge / Chrysler / Jeep / Ram (11-26)
usa

Cometic Gasket .032in MLX Cylinder Head Gasket (RHS): Fits Dodge / Chrysler / Jeep / Ram (11-26)

Cometic Gasket

Regular price $131.28 $118.15 10% off

Unit price
per 

Cometic Gasket .032in MLX Head Gasket (LHS): Fits Dodge / Jeep / Chrysler / Ram (11-26)
Cometic Gasket .032in MLX Head Gasket (LHS): Fits Dodge / Jeep / Chrysler / Ram (11-26)
usa

Cometic Gasket .032in MLX Head Gasket (LHS): Fits Dodge / Jeep / Chrysler / Ram (11-26)

Cometic Gasket

Regular price $131.28 $118.15 10% off

Unit price
per 

Cometic Gasket .036in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L HEMI (05-10) SRT8
Cometic Gasket .036in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L HEMI (05-10) SRT8
usa

Cometic Gasket .036in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L HEMI (05-10) SRT8

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket .042in Exhaust Manifold Gasket: Fits Jeep / Dodge / Ram (93-03)
Cometic Gasket .042in Exhaust Manifold Gasket: Fits Jeep / Dodge / Ram (93-03)
usa

Cometic Gasket .042in Exhaust Manifold Gasket: Fits Jeep / Dodge / Ram (93-03)

Cometic Gasket

Regular price $28.14 $25.33 10% off

Unit price
per 

Cometic Gasket .047in Fiber Fuel Pump Gasket: Fits Jeep / Dodge (93-06)
Cometic Gasket .047in Fiber Fuel Pump Gasket: Fits Jeep / Dodge (93-06)
usa

Cometic Gasket .047in Fiber Fuel Pump Gasket: Fits Jeep / Dodge (93-06)

Cometic Gasket

Regular price $2.60 $2.34 10% off

Unit price
per 

Cometic Gasket .056in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L Hemi (05-10)
Cometic Gasket .056in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L Hemi (05-10)
usa

Cometic Gasket .056in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep 6.1L Hemi (05-10)

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .045in MLS Cyl Head Gskt RHS: Fits most Hemi Models
Cometic Gasket 5.7L Gen-3 Hemi .045in MLS Cyl Head Gskt RHS: Fits most Hemi Models
usa

Cometic Gasket 5.7L Gen-3 Hemi .045in MLS Cyl Head Gskt RHS: Fits most Hemi Models

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .045in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models
Cometic Gasket 5.7L Gen-3 Hemi .045in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models
usa

Cometic Gasket 5.7L Gen-3 Hemi .045in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .056in MLS Head Gasket (LHS): Dodge / Chrysler / Jeep / Ram (03-15)
Cometic Gasket 5.7L Gen-3 Hemi .056in MLS Head Gasket (LHS): Dodge / Chrysler / Jeep / Ram (03-15)
usa

Cometic Gasket 5.7L Gen-3 Hemi .056in MLS Head Gasket (LHS): Dodge / Chrysler / Jeep / Ram (03-15)

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .056in MLS Head Gasket (RHS): Dodge / Chrysler / Jeep / Ram (03-15)
Cometic Gasket 5.7L Gen-3 Hemi .056in MLS Head Gasket (RHS): Dodge / Chrysler / Jeep / Ram (03-15)
usa

Cometic Gasket 5.7L Gen-3 Hemi .056in MLS Head Gasket (RHS): Dodge / Chrysler / Jeep / Ram (03-15)

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .075in MLS Head Gasket (LHS): Dodge / Chrysler / Jeep / Ram (03-15)
Cometic Gasket 5.7L Gen-3 Hemi .075in MLS Head Gasket (LHS): Dodge / Chrysler / Jeep / Ram (03-15)
usa

Cometic Gasket 5.7L Gen-3 Hemi .075in MLS Head Gasket (LHS): Dodge / Chrysler / Jeep / Ram (03-15)

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .075in MLS Head Gasket (RHS): Dodge / Chrysler / Jeep / Ram (03-15)
Cometic Gasket 5.7L Gen-3 Hemi .075in MLS Head Gasket (RHS): Dodge / Chrysler / Jeep / Ram (03-15)
usa

Cometic Gasket 5.7L Gen-3 Hemi .075in MLS Head Gasket (RHS): Dodge / Chrysler / Jeep / Ram (03-15)

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .080in MLS Cyl Head Gskt RHS: Fits most Hemi Models
Cometic Gasket 5.7L Gen-3 Hemi .080in MLS Cyl Head Gskt RHS: Fits most Hemi Models
usa

Cometic Gasket 5.7L Gen-3 Hemi .080in MLS Cyl Head Gskt RHS: Fits most Hemi Models

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .095in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models
Cometic Gasket 5.7L Gen-3 Hemi .095in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models
usa

Cometic Gasket 5.7L Gen-3 Hemi .095in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .120in MLS Cyl Head Gskt RHS: Fits most Hemi Models
Cometic Gasket 5.7L Gen-3 Hemi .120in MLS Cyl Head Gskt RHS: Fits most Hemi Models
usa

Cometic Gasket 5.7L Gen-3 Hemi .120in MLS Cyl Head Gskt RHS: Fits most Hemi Models

Cometic Gasket

Regular price $261.92 $235.73 10% off

Unit price
per 

Cometic Gasket 5.7L Gen-3 Hemi .120in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models
Cometic Gasket 5.7L Gen-3 Hemi .120in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models
usa

Cometic Gasket 5.7L Gen-3 Hemi .120in MLS Cylinder Head Gasket (LHS): Fits most Hemi Models

Cometic Gasket

Regular price $261.92 $235.73 10% off

Unit price
per 

Cometic Gasket 5.7L HEMI .089 MLS Head Gasket: Fits Dodge / Chrysler / Jeep / Ram (03-15)
Cometic Gasket 5.7L HEMI .089 MLS Head Gasket: Fits Dodge / Chrysler / Jeep / Ram (03-15)
usa

Cometic Gasket 5.7L HEMI .089 MLS Head Gasket: Fits Dodge / Chrysler / Jeep / Ram (03-15)

Cometic Gasket

Regular price $169.17 $152.26 10% off

Unit price
per 

Cometic Gasket 5.7L HEMI 4.100in Bore .027in MLS LHS Head Gasket: Fits most Hemi 5.7L Models
Cometic Gasket 5.7L HEMI 4.100in Bore .027in MLS LHS Head Gasket: Fits most Hemi 5.7L Models
usa

Cometic Gasket 5.7L HEMI 4.100in Bore .027in MLS LHS Head Gasket: Fits most Hemi 5.7L Models

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket 5.7L Hemi 4.100in Bore .036in MLS RHS Head Gasket: Fits most Hemi 5.7L Models
Cometic Gasket 5.7L Hemi 4.100in Bore .036in MLS RHS Head Gasket: Fits most Hemi 5.7L Models
usa

Cometic Gasket 5.7L Hemi 4.100in Bore .036in MLS RHS Head Gasket: Fits most Hemi 5.7L Models

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket 6.1L Gen-3 Hemi .036in MLS Head Gasket: Fits Chrysler / Dodge / Jeep (05-10)
Cometic Gasket 6.1L Gen-3 Hemi .036in MLS Head Gasket: Fits Chrysler / Dodge / Jeep (05-10)
usa

Cometic Gasket 6.1L Gen-3 Hemi .036in MLS Head Gasket: Fits Chrysler / Dodge / Jeep (05-10)

Cometic Gasket

Regular price $105.19 $94.67 10% off

Unit price
per 

Cometic Gasket 6.1L Gen-3 Hemi .051in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10)
Cometic Gasket 6.1L Gen-3 Hemi .051in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10)
usa

Cometic Gasket 6.1L Gen-3 Hemi .051in MLS Cylinder Head Gasket: Fits Chrysler / Dodge / Jeep (05-10)

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket 6.1L Gen-3 Hemi Top End MLS Gasket Kit: Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket 6.1L Gen-3 Hemi Top End MLS Gasket Kit: Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket 6.1L Gen-3 Hemi Top End MLS Gasket Kit: Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $469.53 $436.66 7% off

Unit price
per 

Cometic Gasket 6.1L Gen-3 Hemi Top End MLS Gasket Kit: Fits Chrysler / Dodge / Jeep (05-10)
Cometic Gasket 6.1L Gen-3 Hemi Top End MLS Gasket Kit: Fits Chrysler / Dodge / Jeep (05-10)
usa

Cometic Gasket 6.1L Gen-3 Hemi Top End MLS Gasket Kit: Fits Chrysler / Dodge / Jeep (05-10)

Cometic Gasket

Regular price $431.69 $401.47 7% off

Unit price
per 

Cometic Gasket 6.1L Gen-3 Hemi Top End MLS Head Gasket Kit: Fits Chrysler / Dodge / Jeep (05-10)
Cometic Gasket 6.1L Gen-3 Hemi Top End MLS Head Gasket Kit: Fits Chrysler / Dodge / Jeep (05-10)
usa

Cometic Gasket 6.1L Gen-3 Hemi Top End MLS Head Gasket Kit: Fits Chrysler / Dodge / Jeep (05-10)

Cometic Gasket

Regular price $483.62 $449.77 7% off

Unit price
per 

Cometic Gasket 6.4L Gen-3 Hemi .070in MLS Cyl Head Gskt RHS: Fits most 6.4L Hemi Models
Cometic Gasket 6.4L Gen-3 Hemi .070in MLS Cyl Head Gskt RHS: Fits most 6.4L Hemi Models
usa

Cometic Gasket 6.4L Gen-3 Hemi .070in MLS Cyl Head Gskt RHS: Fits most 6.4L Hemi Models

Cometic Gasket

Regular price $156.31 $140.68 10% off

Unit price
per 

Cometic Gasket Aluminum MLS Head Gasket .036 (F&R): Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket Aluminum MLS Head Gasket .036 (F&R): Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket Aluminum MLS Head Gasket .036 (F&R): Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket Aluminum MLS Head Gasket .051 (F&R): Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket Aluminum MLS Head Gasket .051 (F&R): Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket Aluminum MLS Head Gasket .051 (F&R): Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $112.63 $101.37 10% off

Unit price
per 

Cometic Gasket Aluminum MLS Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)
Cometic Gasket Aluminum MLS Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)
usa

Cometic Gasket Aluminum MLS Head Gasket: Chrysler 300 / Dodge Charger / Magnum (05-10)

Cometic Gasket

Regular price $107.27 $96.54 10% off

Unit price
per 

Cometic Gasket ArmorCore .064in Exhaust Manifold Gasket Set: Fits Jeep / Dodge / Ram (93-03)
Cometic Gasket ArmorCore .064in Exhaust Manifold Gasket Set: Fits Jeep / Dodge / Ram (93-03)
usa

Cometic Gasket ArmorCore .064in Exhaust Manifold Gasket Set: Fits Jeep / Dodge / Ram (93-03)

Cometic Gasket

Regular price $28.14 $25.33 10% off

Unit price
per 

Upgrade Your Jeep Grand Cherokee with High-Performance Engine Parts

Enhance the power and durability of your Jeep Grand Cherokee’s engine with parts designed to optimize performance and reliability. Whether you drive a 5.7L Hemi or a 3.6L V6, this collection offers components tailored to support your build goals and improve throttle response under all driving conditions.

Why Upgrade Engine Internals on Your Jeep Grand Cherokee?

Upgrading engine internals like camshafts, pistons, and cylinder heads can significantly improve your Jeep’s power delivery and engine strength. These components are engineered to handle increased stress, whether from boost or aggressive driving, helping maintain reliability while unlocking better performance.

  • Improved throttle response and power output
  • Increased durability under higher RPM and boost levels
  • Enhanced combustion efficiency for smoother operation

What to Look for When Choosing Engine Parts for Your Jeep

Selecting the right engine components depends on your specific engine type and performance goals. Focus on parts that match your build, such as camshafts designed for your displacement and pistons rated for your intended boost or power level. Proper fitment and quality materials ensure long-term reliability and optimal results.

How to Maximize Your Jeep Grand Cherokee’s Engine Performance

Combining upgraded valvetrain components, forged pistons, and performance intakes or exhaust headers can transform your Jeep’s engine character. These parts work together to improve airflow, combustion, and mechanical strength. Explore our Jeep Grand Cherokee engine parts collection at FastHemis to find the right upgrades for your build and driving style.

SELECT YOUR VEHICLE