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Jeep Grand Cherokee Engine Parts

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  • FREE SHIPPING OVER $249
    Exhaust Manifold And Turbo Gaskets For CAT 3406E Engines

    Exhaust Manifold And Turbo Gaskets For CAT 3406E Engines

    FULL TILT PERFORMANCE

    $76.99
    Exhaust Manifold And Turbo Gaskets Fits CAT EngineFor strong and constant seals between mating surfaces that are exposed to extreme high temperatures, update your gaskets with this quality exhaust...
    29-0704089
    SKU:
    29-0704089
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Isspro Oil Temperature Sender 320F 1/2 Inch NPTF

    Isspro Oil Temperature Sender 320F 1/2 Inch NPTF

    ISSPRO

    $35.47
    Oil Temperature SenderFind aftermarket Isspro oil temperature senders for your big rig with a warranty against defects in materials and workmanship at 4 State Trucks. Isspro is a trusted brand for...
    29-071007
    SKU:
    29-071007
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $35.47
    Qty in Cart: 0
    Price:
    $35.47
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    BESTfit Stainless Steel Lined Hose Clamp

    BESTfit Stainless Steel Lined Hose Clamp

    BESTFIT TRUCK PARTS

    $1.02 - $4.09
    Secure coolant and air system connections with the reliable BESTfit Stainless Steel Lined Hose Clamp 0.812?1.75 Inch. This high-quality aftermarket hose clamp is made from stainless steel and...
    PPR_202709
    SKU:
    PPR_202709
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $1.02 - $4.09
    Qty in Cart: 0
    Price:
    $1.02 - $4.09
    Subtotal:
  • Shifter Isolator Bushing Kit For Eaton Fuller

    Shifter Isolator Bushing Kit For Eaton Fuller

    OPP - ORIGINAL PARTS PROGRAM

    $29.39
    K3399 Replacement Eaton Fuller Shifter Isolator Bushing KitThis isolator bushing kit is an OE replacement Eaton Fuller part number K3399. The heavy-duty bushings sit between components to cut down...
    K3399
    SKU:
    K3399
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $29.39
    Qty in Cart: 0
    Price:
    $29.39
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 1.75 Inch Oil Filler Cap

    TPHD 1.75 Inch Oil Filler Cap

    TPHD

    $18.81
    1-3/4 Inch Engine Oil Filler Cap By TPHDThe Moeller rubber expansion type engine oil filler cap is designed to fit fill necks with an inside diameter of 1-3/4 inches.* High Quality Oil Filler Cap* 1...
    09-072004
    SKU:
    09-072004
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $18.81
    Qty in Cart: 0
    Price:
    $18.81
    Subtotal:
  • 58 Quart Oil Drain Pan - 39.50 X 24 X 8 Inch

    58 Quart Oil Drain Pan - 39.50 X 24 X 8 Inch

    AUTOMANN USA

    $231.99
    39.50 X 24 X 8 Inch 58 Quart Oil Drain PanThe 58 Quart Oil Drain Pan combines heavy-duty construction with high-volume capacity, measuring 39.50 x 24 x 8 inches. Designed to withstand the demands of...
    09-07200001
    SKU:
    09-07200001
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $231.99
    Qty in Cart: 0
    Price:
    $231.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    FREE SHIPPING OVER $249
    Heavy Duty Silicone Coolant Hose - Sold By Foot

    Heavy Duty Silicone Coolant Hose - Sold By Foot

    BESTFIT TRUCK PARTS

    $2.57 - $2.85
    Designed for demanding cooling system applications, the BESTfit heavy-duty silicone coolant hose offers a dependable solution. This aftermarket replacement hose is constructed from quality silicone...
    PPR_202716
    SKU:
    PPR_202716
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $2.57 - $2.85
    Qty in Cart: 0
    Price:
    $2.57 - $2.85
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD Clutch Brake, 2 Piece

    TPHD Clutch Brake, 2 Piece

    TURNPIKE TRUCK TRIM

    $42.04
    Clutch Brake Hinged 2 Inch By TPHDRestore optimal clutch performance with the TPHD 2-Piece Clutch Brake, designed for ease of installation and long-lasting durability. This high-quality clutch brake...
    09-0705007
    SKU:
    09-0705007
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $42.04
    Qty in Cart: 0
    Price:
    $42.04
    Subtotal:
  • Caterpillar, Cummins, Detroit Engine Gauge Tuner

    Caterpillar, Cummins, Detroit Engine Gauge Tuner

    BULLY DOG

    $1,298.95
    Heavy Duty Gauge Tuner Fits CAT, Cummins And Detroit EnginesIf you are looking for an easy to install tuner that provides a broad selection of customized options, 4 State Trucks offers this quality...
    29-0704074
    SKU:
    29-0704074
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,298.95
    Qty in Cart: 0
    Price:
    $1,298.95
    Subtotal:
  • BESTfit Front Sump Oil Pan Gasket For Cummins N14

    BESTfit Front Sump Oil Pan Gasket For Cummins N14

    BESTFIT TRUCK PARTS

    $20.59
    BESTfit Front Sump Oil Pan Gasket* High Quality Oil Pan Gasket* Fits Cummins Front Sump N14 Oil Pan* Sold Individually* Warranty On Oil Pan Gaskets Against Defects In Workmanship & Material From Date...
    29-073032861
    SKU:
    29-073032861
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    $20.59
    Qty in Cart: 0
    Price:
    $20.59
    Subtotal:
  • Power Klenz 5007 Diesel Additive - 1 Quart

    Power Klenz 5007 Diesel Additive - 1 Quart

    AFTERMARKET

    $27.76
    1 Quart Power Klenz 5007 Diesel Additive* High Quality Diesel Enhancement* Increases Cetane 40 Points and Lubricity 67%* Cleans/Disperses Asphltenes and Injector Deposits* Prevents Sludge Induced...
    5007QT
    SKU:
    5007QT
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $27.76
    Qty in Cart: 0
    Price:
    $27.76
    Subtotal:
  • FASS Industrial Series Diesel 290 GPH Fuel System, Class 8 For Cummins, Cat, Detroit Diesel Trucks

    FASS Industrial Series Diesel 290 GPH Fuel System, Class 8 For Cummins, Cat, Detroit Diesel Trucks

    FASS

    $1,096.99
    290 GPH Fuel System, Class 8 Fits Cummins, Cat, Detroit Diesel Trucks* High Quality Diesel Fuel System* Aluminum Housing* 8 Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI...
    09-07030002
    SKU:
    09-07030002
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,096.99
    Qty in Cart: 0
    Price:
    $1,096.99
    Subtotal:
  • BESTfit 12.7L Detroit Diesel Engine Fuel Check Valve

    BESTfit 12.7L Detroit Diesel Engine Fuel Check Valve

    BESTFIT TRUCK PARTS

    $68.99
    BESTfit Fuel Check Valve For 12.7L Detroit Diesel EngineGet the BESTfit Fuel Check Valve for your 12.7L Detroit Diesel Engine. This valve is designed to help keep your engine running smoothly by...
    09-060100001
    SKU:
    09-060100001
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $68.99
    Qty in Cart: 0
    Price:
    $68.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Ignition Switch W/ 4 Position Lock Tumbler & 4 Screw Terminals For 3/4 Inch to 1 Inch Panel Hole

    Ignition Switch W/ 4 Position Lock Tumbler & 4 Screw Terminals For 3/4 Inch to 1 Inch Panel Hole

    AFTERMARKET

    $17.13
    Ignition Switch W/ 4 Position Lock Tumbler That Fits 3/4 Inch to 1 Inch Panel HoleUniversal 4-position ignition switch fits cars, trucks, boats and heavy equipment. Features key lock security with...
    09-16200066
    SKU:
    09-16200066
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $17.13
    Qty in Cart: 0
    Price:
    $17.13
    Subtotal:
  • FREE SHIPPING OVER $249
    Lucas Hub Oil - 32 Oz Bottle

    Lucas Hub Oil - 32 Oz Bottle

    LUCAS OIL PRODUCTS

    $11.43
    32 Oz Lucas Hub Oil BottleLucas Hub Oil Was Formulated To Stop Leaks In Steering Axles And Trailer Hubs On Heavy Duty Trucks. It Also Allows Hubs To Run On A Marginal Amount Of Oil In Case Of A Blown...
    10088LU
    SKU:
    10088LU
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $11.43
    Qty in Cart: 0
    Price:
    $11.43
    Subtotal:
  • Stainless Steel Oil Fill Tube For CAT C15 Engines

    Stainless Steel Oil Fill Tube For CAT C15 Engines

    SH TUBE

    $166.99
    Oil Fill Tube For CAT C15 Engines* High Quality Cat Oil Fill Tube* Larger Than Factory Size* Fits Most C15 Engines* Stainless Steel* Sold Individually* Warranty On Cat Oil Fill Tubes Against Defects...
    29-07200025
    SKU:
    29-07200025
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $166.99
    Qty in Cart: 0
    Price:
    $166.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Dipstick 84 Inch With 1 1/32 Inch Stopper By TPHD

    Dipstick 84 Inch With 1 1/32 Inch Stopper By TPHD

    TPHD

    $49.03
    TPHD 84 Inch DipstickThis dipstick lets you easily and accurately measure fluid levels. You can quickly check your fluid levels without any hassle. Made from high-quality materials, it ensures...
    09-072003
    SKU:
    09-072003
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $49.03
    Qty in Cart: 0
    Price:
    $49.03
    Subtotal:
  • FREE SHIPPING OVER $249
    Isspro Fuel Pressure Snubber For Use On PSI Manual Gauge

    Isspro Fuel Pressure Snubber For Use On PSI Manual Gauge

    ISSPRO

    $71.99
    Gauge Snubber Use On Fuel PSI Manual Gauge4 State Trucks offers this highly effective gauge snubber that is used to smooth out the pressure fluctuations on a fuel PSI manual gauge. It comes with a...
    29-071019
    SKU:
    29-071019
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Schaeffer Diesel Fuel Treatment 2000 Ultra Low Sulfur

    Schaeffer Diesel Fuel Treatment 2000 Ultra Low Sulfur

    AFTERMARKET

    $88.99
    Diesel AdditiveDiesel Treat 2000 Is A Multi-Functional All-Season Diesel Fuel Additive Formulated To Boost Fuel Economy, Improve Cetane Numbers, Reduce Emissions, Fight Fuel Deposits, And Increase...
    137ND
    SKU:
    137ND
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $88.99
    Qty in Cart: 0
    Price:
    $88.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Square To Round AC Compressor Mounting Bracket Kit

    BESTfit Square To Round AC Compressor Mounting Bracket Kit

    BESTFIT TRUCK PARTS

    $86.99
    BESTfit Air Conditioner Compressor Conversion Bracket KitThis A/C compressor bracket kit makes it easy to mount Sanden-type aluminum A/C compressors.* High Quality Compressor Mounting Bracket Kit* 13...
    09-070009
    SKU:
    09-070009
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $86.99
    Qty in Cart: 0
    Price:
    $86.99
    Subtotal:
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Jeep Grand Cherokee Replacement Engine Parts

Your Jeep Grand Cherokee isn’t just a ride—it’s your go-to for work, play, and everything in between. When you depend on your SUV, you need engine parts that deliver real reliability and performance. That’s where we come in. At 4 State Trucks, we’ve got the aftermarket engine parts you need to stay ahead of breakdowns and keep your Grand Cherokee running like it should. Dealing with power loss or poor airflow? Our tough exhaust manifolds help your engine breathe better and run stronger. Accessory problems? A new serpentine belt keeps vital systems like your alternator, power steering, and A/C running smooth without slips or squeals. Leaky seals causing headaches? Our durable O-ring kits lock in tight seals to keep fluids where they belong and performance on point. Upgrading worn-out OEM parts isn’t just about fixing problems—it’s about protecting the value of your Grand Cherokee and keeping it ready for the next job, the next trip, or the next adventure.

Why Do Drivers Trust Our Medium-Duty Truck Engine Parts?

- Built tough for daily driving, towing, and long hauls. - Designed to match or exceed OEM fit and durability. - Helps extend your engine’s life and protect your investment. - Fast shipping and expert support when you need it most.

Shop Jeep Grand Cherokee Engine Parts at 4 State Trucks

Stay ahead of wear and tear. Find the aftermarket engine parts your Grand Cherokee needs today at 4 State Trucks—and keep your SUV ready for whatever comes next.

Frequently Asked Questions About Jeep Grand Cherokee Engine Parts

Will these engine parts fit my specific Jeep Grand Cherokee model year and engine size?

Jeep Grand Cherokee engine components vary depending on model year and the engine option installed (such as V6 or V8 variants), so fit is not universal across all years. Before purchasing, check the part listing for the specific year, engine size, and trim compatibility, and compare it against the information on your vehicle or in your owner's manual to confirm a proper match.

Are these parts OEM, aftermarket, or remanufactured?

Our inventory includes a mix of OEM, aftermarket, and remanufactured engine parts depending on the specific item. Each product listing specifies which category the part falls into, along with any relevant brand or manufacturer information, so you can choose the option that best fits your budget and performance expectations.

What tools or skill level are needed to install this part myself?

Installation requirements vary widely depending on the component. Simpler items like sensors, filters, or gaskets are generally manageable for someone comfortable with basic hand tools, while more involved parts such as water pumps or timing components may require more mechanical experience and specialty tools. If you are unsure about the complexity of a repair, we recommend having the installation performed by a qualified mechanic.

How do I know if a part is causing a specific issue with my engine, such as a check engine light or unusual noise?

Common symptoms like a check engine light, rough idle, overheating, or unusual noises can point to a failing engine component, but a proper diagnosis usually requires checking error codes or inspecting the part directly. We recommend using a diagnostic scan tool or consulting a repair manual specific to your Grand Cherokee to confirm which part is causing the issue before ordering a replacement.

What is the difference in quality or durability between economy and premium engine parts?

Economy parts are typically priced lower and are designed to restore basic function, while premium or OEM-equivalent parts are often built with materials and specifications closer to the original component, which can translate to longer service life. Product descriptions will note the quality tier when available, so you can weigh cost against expected durability for your specific needs.


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