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Nissan Titan Truck Engine Parts

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  • FREE SHIPPING OVER $249
    TPHD Pilot Bearing For Clutch

    TPHD Pilot Bearing For Clutch

    TPHD

    $33.25
    Pilot Bearing* High Quality Bearing* For Clutch* Fits Lipe & Spicer Clutches* Sold Individually* Warranty On Bearing Against Defects In Workmanship & Material From Date Of Purchase***High Quality...
    29-07050402
    SKU:
    29-07050402
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $33.25
    Qty in Cart: 0
    Price:
    $33.25
    Subtotal:
  • TPHD Fork Roller Type Clutch Release

    TPHD Fork Roller Type Clutch Release

    AFTERMARKET

    $78.99
    Clutch Release- Fork Roller Type By TPHDMaintain smooth clutch function and reduce drivetrain wear with the TPHD Fork Roller Type Clutch Release, a high-quality engine part for commercial trucks...
    29-07050006
    SKU:
    29-07050006
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • Clutch Pilot Bearing, 1.79 ID In., 2.833 OD In.

    Clutch Pilot Bearing, 1.79 ID In., 2.833 OD In.

    AUTOMANN USA

    $12.71
    1.79 ID In., 2.833 OD In. Clutch Pilot Bearing* High Quality Pilot Bearing* Dimensions: - I.D.- 1.79 Inch - O.D.- 2.833 Inch - Thickness- 0.75 Inch* Sold Individually* Warranty On Pilot Bearings...
    29-07050005
    SKU:
    29-07050005
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $12.71
    Qty in Cart: 0
    Price:
    $12.71
    Subtotal:
  • Clutch Pilot Bearing W/ Steel Shields, 1.80 ID In., 2.44 OD In.

    Clutch Pilot Bearing W/ Steel Shields, 1.80 ID In., 2.44 OD In.

    AUTOMANN USA

    $19.08
    1.80 ID In., 2.44 OD In. Clutch Pilot Bearings* High Quality Pilot Bearing* Dimensions:  - I.D.- 1.80 Inch - O.D.- 2.44 Inch - Thickness- 0.628 Inch* Sold Individually* Warranty On Pilot Bearings...
    29-07050004
    SKU:
    29-07050004
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $19.08
    Qty in Cart: 0
    Price:
    $19.08
    Subtotal:
  • On Sale
    Limited Quantity Available
    Clutch Pilot Bearing W/ Nitrile Shields, 1.80 ID In., 2.44 OD In.

    Clutch Pilot Bearing W/ Nitrile Shields, 1.80 ID In., 2.44 OD In.

    AUTOMANN USA

    Now: $8.71
    Was: $17.67
    1.80 ID In., 2.44 OD In. Clutch Pilot Bearings* High Quality Pilot Bearing* Dimensions: - I.D.- 1.80 Inch - O.D.- 2.44 Inch - Thickness- 0.628 Inch* Sold Individually* Warranty On Pilot Bearings...
    29-07050003
    SKU:
    29-07050003
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $8.71
    Was: $17.67
    Qty in Cart: 0
    Price:
    Now: $8.71
    Was: $17.67
    Subtotal:
  • Caterpillar Engine High Performance Stage 1 Turbocharger By Bully Dog

    Caterpillar Engine High Performance Stage 1 Turbocharger By Bully Dog

    BULLY DOG

    $2,000.00
    Bully Dog Turbocharger For CAT EnginesThis Bully Dog high performance stage 1 turbocharger that fits CAT engines gives a 40 horsepower increase and a 5 to 10 PSI boost increase. Bully Dog ensures...
    29-0704092
    SKU:
    29-0704092
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $2,000.00
    Qty in Cart: 0
    Price:
    $2,000.00
    Subtotal:
  • Heavy Duty Watchdog Multifunction Gauge Pack

    Heavy Duty Watchdog Multifunction Gauge Pack

    BULLY DOG

    $449.99
    Heavy Duty Watchdog Multifunction Gauge PackAre you looking for the perfect tool to help save money and improve driver behavior? 4 State Trucks offers this heavy duty Watchdog Multifunction Gauge...
    29-0704069
    SKU:
    29-0704069
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $449.99
    Qty in Cart: 0
    Price:
    $449.99
    Subtotal:
  • High Performance Turbocharger For Caterpillar C16, C15, 3406E Engines

    High Performance Turbocharger For Caterpillar C16, C15, 3406E Engines

    AFTERMARKET

    $2,467.99
    Performance Turbochargers Fits Caterpillar C16, C15, 3406E EnginesThis aftermarket CAT High Performance Turbocharger fits most C16, C15, & 3406E applications. Equipped with charge air cooler, quick...
    29-0704016
    SKU:
    29-0704016
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Type Options:
    Bolt Mount
    $2,467.99
    Qty in Cart: 0
    Price:
    $2,467.99
    Subtotal:
  • Mahle Crankshaft Replaces 2475146, 6I1453 For CAT 3406, 3406E Engine

    Mahle Crankshaft Replaces 2475146, 6I1453 For CAT 3406, 3406E Engine

    AUTOMANN USA

    $7,002.99
    Mahle Crankshaft Fits CAT 3406 & 3406E Engine* High Quality Mahle Crankshaft * Cat 3406 And 3406E* Sold Individually** Warranty On Mahle Crankshaft Against Defects In Workmanship & Material From Date...
    29-070400050
    SKU:
    29-070400050
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $7,002.99
    Qty in Cart: 0
    Price:
    $7,002.99
    Subtotal:
  • Cummins N14 Turbocharger OE Replacement 09-0704043

    Cummins N14 Turbocharger OE Replacement 09-0704043

    AREA DIESEL SERVICE

    $1,275.99
    Turbocharger Fits N14 Cummins Engine* High Quality Turbocharger* Works With Cummins N14 Engines* Sold Individually* Warranty On Turbocharger Against Defects In Workmanship & Material From Date Of...
    29-070400040
    SKU:
    29-070400040
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,275.99
    Qty in Cart: 0
    Price:
    $1,275.99
    Subtotal:
  • Mounting Package For Fuel Pump W/ 290 GPH Flow Ratings

    Mounting Package For Fuel Pump W/ 290 GPH Flow Ratings

    FASS

    $77.99
    Mounting Package For Fuel Pump W/ 290 GPH Flow Ratings* High Quality Mounting Package* For Fuel Pumps With 290 Gallons Per Hour Flow Rating* Made In The USA* Sold Individually* Warranty On Mounting...
    29-070300007
    SKU:
    29-070300007
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $77.99
    Qty in Cart: 0
    Price:
    $77.99
    Subtotal:
  • FASS Industrial Series Diesel 290 GPH Fuel System For Class 8 UIM Engines

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

    FASS

    $955.99
    290 GPH Fuel System Fits Class 8 UIM Engines* High Quality Diesel Fuel System* Aluminum Housing* Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI Fuel Pressure* 290 Gallons...
    29-070300005
    SKU:
    29-070300005
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $955.99
    Qty in Cart: 0
    Price:
    $955.99
    Subtotal:
  • FASS Industrial Series Diesel 250 GPH Fuel System For Class 8 UIM Engines

    FASS Industrial Series Diesel 250 GPH Fuel System For Class 8 UIM Engines

    FASS

    $903.99
    250 GPH Fuel System Fits Class 8 UIM Engines* High Quality Diesel Fuel System* Aluminum Housing* Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI Fuel Pressure* 250 Gallons...
    29-070300004
    SKU:
    29-070300004
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $903.99
    Qty in Cart: 0
    Price:
    $903.99
    Subtotal:
  • FASS Industrial Series Diesel 165 GPH Fuel System For Class 8 UIM Engines

    FASS Industrial Series Diesel 165 GPH Fuel System For Class 8 UIM Engines

    FASS

    $831.99
    165 GPH Fuel System Fits Class 8 UIM Engines* High Quality Diesel Fuel System* Aluminum Housing* Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI Fuel Pressure* 165 Gallons...
    29-070300003
    SKU:
    29-070300003
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $831.99
    Qty in Cart: 0
    Price:
    $831.99
    Subtotal:
  • FASS Industrial Series Diesel 100 GPH Fuel System, Class 8

    FASS Industrial Series Diesel 100 GPH Fuel System, Class 8

    FASS

    $817.99
    100 GPH Fuel System* High Quality Diesel Fuel System* Aluminum Housing* Fass Air Separation Port Ties Into OEM Engine Fuel Return* Preset 16 PSI Fuel Pressure* 100 Gallons Per Hour Flow Rating*...
    29-070300002
    SKU:
    29-070300002
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $817.99
    Qty in Cart: 0
    Price:
    $817.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Large Style Radiator Cap 10 Pound Pressure

    Large Style Radiator Cap 10 Pound Pressure

    PARTS DISTRIBUTING

    $20.38
    Radiator Cap 10 Pound Pressure Large Style* High Quality Radiator Cap* Large Style* 10 Pounds* Sold Individually* Warranty On Radiator Cap Against Defects In Workmanship & Material From Date Of...
    29-070230
    SKU:
    29-070230
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $20.38
    Qty in Cart: 0
    Price:
    $20.38
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Small Style Radiator Cap W/ 10 Pound Pressure Rating

    Small Style Radiator Cap W/ 10 Pound Pressure Rating

    OPP - ORIGINAL PARTS PROGRAM

    Now: $8.67
    Was: $12.39
    Radiator Cap W/ 10 Pound Pressure Rating Small Style* High Quality Radiator Cap* Small Style* 10 Pounds* Sold Individually* Warranty On Radiator Cap Against Defects In Workmanship & Material From...
    29-070228
    SKU:
    29-070228
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $8.67
    Was: $12.39
    Qty in Cart: 0
    Price:
    Now: $8.67
    Was: $12.39
    Subtotal:
  • Blue Oiler Cap Replacement Plug For Dual Dynamics

    Blue Oiler Cap Replacement Plug For Dual Dynamics

    DUAL DYNAMICS

    $6.56
    Replacement Oil Cap Plug For Dual Dynamics - Blue* High Quality Oil Cap Plug* Blue* For 302PC Dual Dynamics* Sold Individually* Warranty On Oil Cap Plug Against Defects In Workmanship & Material From...
    29-050926
    SKU:
    29-050926
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $6.56
    Qty in Cart: 0
    Price:
    $6.56
    Subtotal:
  • FREE SHIPPING OVER $249
    Caterpillar 256-8753 Fuel Water Separator

    Caterpillar 256-8753 Fuel Water Separator

    OPP - ORIGINAL PARTS PROGRAM

    $47.63
    Caterpillar 256-8753 Fuel Water Separator* Sold Individually* Warranty On Separator Filter Against Defects In Workmanship & Material From Date Of Purchase*** This Is An OEM Replacement Part/ Not...
    2568753
    SKU:
    2568753
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $47.63
    Qty in Cart: 0
    Price:
    $47.63
    Subtotal:
  • FASS Titanium Signature Series Diesel Fuel Lift Pump 110GPH For Nissan Titan

    FASS Titanium Signature Series Diesel Fuel Lift Pump 110GPH For Nissan Titan

    FASS

    $883.99
    Diesel Fuel Lift Pump For 110GPH 16?-19? Nissan Titan* High Quality Diesel Fuel Lift Pump* New Whisper Technology* Complete Replacement Pump* 110 Gallons Per Hour Flow Rating* Removes Water Air And...
    24-07030000
    SKU:
    24-07030000
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $883.99
    Qty in Cart: 0
    Price:
    $883.99
    Subtotal:
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Nissan Titan Aftermarket Engine Parts

When your Nissan Titan is part of your daily grind, you can’t afford engine trouble slowing you down. You need real durability, real performance, and parts that are built to keep your truck—and your business—moving. At 4 State Trucks, we offer aftermarket engine parts that protect your Titan’s power, efficiency, and reliability for the long haul. Small parts make a big difference. A diesel fuel lift pump keeps steady fuel flow to your engine, so you get smooth starts, consistent power, and better efficiency. A strong serpentine belt powers the systems you rely on—like your alternator, water pump, and A/C—keeping your Titan running cool and comfortable. Reliable O-rings seal up critical connections, helping you avoid leaks that lead to bigger (and more expensive) repairs down the road. Swapping out tired parts with fresh, quality replacements isn’t just maintenance—it’s protecting your truck, your time, and your bottom line.

Why Drivers Trust Our Commercial Truck Engine Parts

- Designed tough for commercial and heavy-use trucks. - Helps maintain strong fuel delivery, cooling, and accessory performance. - Cuts down on downtime and costly roadside repairs. - Fast shipping and real customer support when you need it most.

Shop Top Heavy-Duty Engine Parts at 4 State Trucks

Keep your Titan running like it should—powerful, reliable, and ready for anything. Shop 4 State Trucks today and stay one step ahead of the road.

Frequently Asked Questions About Nissan Titan Truck Engine Parts

Will these engine parts fit my specific Nissan Titan model year?

Nissan Titan engine parts can vary by model year and engine configuration, so it's important to check the fitment details listed on each product page before ordering. If you're unsure whether a part matches your truck's specific year, trim, or engine type, our team can help confirm compatibility before you buy.

Are these parts OEM or aftermarket?

This category includes a mix of OEM and quality aftermarket engine components, and each product listing specifies which type you're purchasing. OEM parts are built to match factory specifications, while aftermarket options can offer a cost-effective alternative without sacrificing reliability.

What materials are used in these engine parts, and how durable are they?

Engine parts in this category are typically made from durable materials such as cast metal, aluminum, or engineered composites designed to withstand normal engine operating conditions. Specific material details are listed on individual product pages so you know exactly what you're getting.

Do I need professional installation, or can I install these parts myself?

Installation difficulty depends on the specific part. Some components, like filters or sensors, are straightforward enough for at-home installation with basic tools, while others, such as internal engine components, may require professional installation and specialized equipment. If you're unsure, we recommend consulting a qualified mechanic.

How do I know if a part is the right replacement for a worn or failing component?

Look for symptoms such as unusual engine noises, reduced performance, fluid leaks, or warning lights, and compare your existing part's specifications or part number to the listing. If you're replacing a failed component, matching the original part number is the most reliable way to ensure proper fit and function.


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