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Jeep Grand Cherokee Engine Parts

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  • Price
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  • FREE SHIPPING OVER $249
    BESTfit 4.5 - 4 X 6 Inch Hot Side Charge Air Intake Hump Hose

    BESTfit 4.5 - 4 X 6 Inch Hot Side Charge Air Intake Hump Hose

    BESTFIT TRUCK PARTS

    $76.99
    Red Hump Hose Reducer For Hot Side By BESTfitProtect your turbo system with the BESTfit Hot Side Charge Air Intake Hump Hose, made from high-quality silicone for maximum heat resistance and...
    09-070111
    SKU:
    09-070111
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • Bully Dog ECM Tuner W/ Emissions Tested & Diagnostic Reader For Caterpillar C11, 12, 13, 15 & 16

    Bully Dog ECM Tuner W/ Emissions Tested & Diagnostic Reader For Caterpillar C11, 12, 13, 15 & 16

    BULLY DOG

    $849.95
    Bully Dog ECM Tuner W/ Speed Limiter Adjustments Fits Caterpillar C11, 12, 13, 15 & 16Get more from your CAT engine with the Bully Dog ECM Tuner, engineered for C16, C15, C13, C12, and C11 models...
    29-0704091
    SKU:
    29-0704091
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Location:
    Made In USA
    $849.95
    Qty in Cart: 0
    Price:
    $849.95
    Subtotal:
  • FREE SHIPPING OVER $249
    LF14000NN Fleetguard Oil Filter Cummins ISX

    LF14000NN Fleetguard Oil Filter Cummins ISX

    OPP - ORIGINAL PARTS PROGRAM

    $69.99
    LF14000NN Fleetguard Oil Filter Cummins ISX* Fleetguard Oil Filter* For Cummins ISX Shorter Version Of LF9070FLG* Sold Individually* Warranty On Filter Oil Against Defects In Workmanship & Material...
    LF9080FLG
    SKU:
    LF9080FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • Stainless Steel Carrier Comfort Pro APU Box Cover Kit

    Stainless Steel Carrier Comfort Pro APU Box Cover Kit

    SOARING EAGLE

    $1,070.99
    18.375 X 25 X 28.12 Inch Stainless Steel Carrier Comfort Pro APU Box Cover KitProtect your Carrier Comfort Pro APU in style with this Stainless Steel APU Box Cover Kit. Constructed from premium...
    09-0201031
    SKU:
    09-0201031
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Height Options:
    28 Inch
    Length Options:
    18 1/4 Inch
    Width Options:
    25 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1,070.99
    Qty in Cart: 0
    Price:
    $1,070.99
    Subtotal:
  • One Piece Exhaust Manifold For Cummins ISX/CM570 Engines

    One Piece Exhaust Manifold For Cummins ISX/CM570 Engines

    POWER PLAY PRODUCTS

    $1,326.99 - $1,530.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Cummins ISX/CM570 Engines** Please Verify Fitment Prior To Ordering **Bare Finish Exhaust Manifold- 1 Piece For Cummins ISX/CM570 Engines1...
    PPR_299567
    SKU:
    PPR_299567
    Color:
    Black
    Style Options:
    Cummins
    Product Type:
    Engine Parts
    Material Options:
    Ceramic
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    $1,326.99 - $1,530.99
    Qty in Cart: 0
    Price:
    $1,326.99 - $1,530.99
    Subtotal:
  • 9 Gallon Steel Rear Sump Oil Pan For Cummins NT855 Big Cam III, IV & N14

    9 Gallon Steel Rear Sump Oil Pan For Cummins NT855 Big Cam III, IV & N14

    AUTOMANN USA

    $460.99
    9 Gallon Steel Rear Sump Oil PanExtend the life of your Cummins engine with this high-quality 9 Gallon Steel Rear Sump Oil Pan, compatible with NT855 Big Cam III, IV, and N14 models. Designed with a...
    29-073031959
    SKU:
    29-073031959
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $460.99
    Qty in Cart: 0
    Price:
    $460.99
    Subtotal:
  • Four Turbo Studs For CAT 3406B, 3406C, 3406E, C15, C16 Engine

    Four Turbo Studs For CAT 3406B, 3406C, 3406E, C15, C16 Engine

    BULLY DOG

    $135.99
    Four Turbo Studs For Caterpillar 14.6L 1989-2003 & 15.8L 1995-1998 EnginesFinish a Turbocharger upgrade with Bully Dog Turbo Studs for a secure installation. This premium ARP Turbo Stud kit includes...
    29-0704096
    SKU:
    29-0704096
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $135.99
    Qty in Cart: 0
    Price:
    $135.99
    Subtotal:
  • FASS 165 GPH Industrial Series Diesel Fuel Pump System

    FASS 165 GPH Industrial Series Diesel Fuel Pump System

    FASS

    $980.99
    FASS IND 165G Diesel Fuel Pump System* High Quality Fuel System* Ind165G Series FASS* Featuring: - Revolutionary Whisper Technology - 165 Gallons Per Minute At 16-18 PSI* Recommended For 400 - 590...
    09-07030161
    SKU:
    09-07030161
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $980.99
    Qty in Cart: 0
    Price:
    $980.99
    Subtotal:
  • 74mm 26cm A/R Switchblade Turbocharger For Cummins N14 - Up To 575 HP For Cummins N14

    74mm 26cm A/R Switchblade Turbocharger For Cummins N14 - Up To 575 HP For Cummins N14

    SWITCHBLADE TURBO

    $2,235.99
    Switchblade Turbocharger for Cummins N14 Applications* High Quality Switchblade Turbocharger* Significantly Improves Fuel Efficiency By An Estimated 0.5 MPG - 1.5 MPG, Sometimes More* 26 CM Air Ratio...
    29-07050023
    SKU:
    29-07050023
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    Style Options:
    Cummins
    $2,235.99
    Qty in Cart: 0
    Price:
    $2,235.99
    Subtotal:
  • FREE SHIPPING OVER $249
    CAT 3406 A-E - Fleetguard Oil Filter

    CAT 3406 A-E - Fleetguard Oil Filter

    OPP - ORIGINAL PARTS PROGRAM

    $30.88
    LF691A Fleetguard Spin-On Oil Filter CAT 3406 A-EThe Fleetguard Spin-On Oil Filter protects your engine with its sturdy and corrosion-resistant build. It can handle demanding conditions without any...
    LF691AFLG
    SKU:
    LF691AFLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $30.88
    Qty in Cart: 0
    Price:
    $30.88
    Subtotal:
  • Aluminum Oil Pan 9 Gallon - Replaces 133-6084 For CAT 3406B, 3406E Engines By BESTfit

    Aluminum Oil Pan 9 Gallon - Replaces 133-6084 For CAT 3406B, 3406E Engines By BESTfit

    BESTFIT TRUCK PARTS

    $1,032.99
    BESTfit Caterpillar Oil Pan Can Replaces 150-4638This high quality Replacement Caterpillar 3406E 9 gallon Oil Pan can replace with the caterpillar number 150-4638.* High Quality Oil Pan * Made Of...
    09-077C3236
    SKU:
    09-077C3236
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Capacity:
    9 Gallons
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $1,032.99
    Qty in Cart: 0
    Price:
    $1,032.99
    Subtotal:
  • 78mm 1.32 A/R Switchblade Turbocharger For Detroit Diesel Series 60 12.7L& 14L, Cummins ISX15 & X15 - Up To 700 HP For Detroit Diesel Series 60

    78mm 1.32 A/R Switchblade Turbocharger For Detroit Diesel Series 60 12.7L& 14L, Cummins ISX15 & X15 - Up To 700 HP For Detroit Diesel Series 60

    SWITCHBLADE TURBO

    $2,375.99
    Switchblade Turbocharger for Cummins ISX15, X15 and Detroit Diesel Series 60 12.7L & 14L Applications* High Quality Switchblade Turbocharger* Significantly Improves Fuel Efficiency By An Estimated 0...
    29-07050021
    SKU:
    29-07050021
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    Style Options:
    Detroit
    $2,375.99
    Qty in Cart: 0
    Price:
    $2,375.99
    Subtotal:
  • FASS Industrial Series Diesel 290 GPH Fuel System For Class 8 Detroit DD15 Engines

    FASS Industrial Series Diesel 290 GPH Fuel System For Class 8 Detroit DD15 Engines

    FASS

    $903.99
    290 GPH Fuel System Fits Class 8 Detroit DD15 Engines* High Quality Diesel Fuel System* Aluminum Housing* Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI Fuel Pressure* 290...
    29-070300006
    SKU:
    29-070300006
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $903.99
    Qty in Cart: 0
    Price:
    $903.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Eaton Fuller Transmission Oil Cooler Mount 18209

    Eaton Fuller Transmission Oil Cooler Mount 18209

    OPP - ORIGINAL PARTS PROGRAM

    $8.12
    Transmission Cooler Mounting Block Kit* High Quality Transmission Mounting Block Kit* Fits 29-07050406 Coolers* Sold Individually* Warranty On Transmission Mounting Block Kits Against Defects In...
    29-07050407
    SKU:
    29-07050407
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $8.12
    Qty in Cart: 0
    Price:
    $8.12
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 1.5 Inch Oil Filler Cap W/ T Handle

    TPHD 1.5 Inch Oil Filler Cap W/ T Handle

    TURNPIKE TRUCK TRIM

    $10.94
    Oil Filler Cap By TPHDMaintain peak engine performance with the TPHD 1.5 Inch Oil Filler Cap with T Handle, a high-quality, durable solution for your truck. Its secure design prevents oil leaks and...
    09-072008
    SKU:
    09-072008
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $10.94
    Qty in Cart: 0
    Price:
    $10.94
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 1.25 Inch Oil Filler Cap For Caterpillar C15 Acert Engines

    TPHD 1.25 Inch Oil Filler Cap For Caterpillar C15 Acert Engines

    TPHD

    $17.20
    Oil Filler Cap By TPHD* High Quality Oil Filler Cap* 1.25 Inch* Sold Individually* Warranty On Oil Filler Cap Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    09-072005
    SKU:
    09-072005
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $17.20
    Qty in Cart: 0
    Price:
    $17.20
    Subtotal:
  • FREE SHIPPING OVER $249
    Lucas Heavy Duty Oil Stabilizer - 1 Gallon

    Lucas Heavy Duty Oil Stabilizer - 1 Gallon

    LUCAS OIL PRODUCTS

    $41.49
    1 Gallon Lucas Heavy Duty Oil StabilizerExtend the life of your oil with the help of Lucas Heavy Duty Oil Stabilizer. It increases the life of oil while eliminating dry starts, heat, friction, and...
    10002LU
    SKU:
    10002LU
    Truck Class:
    Universal
    Capacity:
    1 Gallon
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $41.49
    Qty in Cart: 0
    Price:
    $41.49
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 90 Degree Silicone Coolant Hose Elbow

    BESTfit 90 Degree Silicone Coolant Hose Elbow

    BESTFIT TRUCK PARTS

    $37.55 - $131.99
    Designed for demanding engine environments, the BESTfit 90 Degree Silicone Coolant Hose Elbow offers a dependable solution. This high-quality aftermarket replacement hose is constructed from durable...
    PPR_202712
    SKU:
    PPR_202712
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Material Options:
    Silicone
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $37.55 - $131.99
    Qty in Cart: 0
    Price:
    $37.55 - $131.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    BESTfit Stainless Steel Constant Torque Coolant Hose Clamps

    BESTfit Stainless Steel Constant Torque Coolant Hose Clamps

    BESTFIT TRUCK PARTS

    $5.59 - $15.60
    Repair your truck's cooling system with the Stainless Steel Constant Torque Coolant Hose Clamp. This clamp is designed to maintain a consistent, uniform seal across a wide range of hose diameters,...
    PPR_201138
    SKU:
    PPR_201138
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Diameter Options:
    2 1/2 Inch
    Location:
    Made In USA
    Diameter Options:
    3 1/2 Inch
    Width Options:
    5/8 Inch
    Diameter Options:
    1 3/4 Inch
    Diameter Options:
    3 1/8 Inch
    Diameter Options:
    2 1/8 Inch
    Width Options:
    1/2 Inch
    $5.59 - $15.60
    Qty in Cart: 0
    Price:
    $5.59 - $15.60
    Subtotal:
  • FREE SHIPPING OVER $249
    Isspro Water Temperature Sender TA Type 100 - 240F W/ 1/8 Inch NPTF Threading

    Isspro Water Temperature Sender TA Type 100 - 240F W/ 1/8 Inch NPTF Threading

    ISSPRO

    $32.14
    Water Temp Sender TA Type 100-240 Deg With 1/8 Inch NPTF Threading And 1 Stud TerminalLooking to keep an eye on your engine's temperature? The ISSPRO Water Temperature Sender's got you covered with...
    29-071004
    SKU:
    29-071004
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $32.14
    Qty in Cart: 0
    Price:
    $32.14
    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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