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Nissan Titan Truck 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:
  • 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:
  • 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:
  • 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 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:
  • 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:
  • 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:
  • 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:
  • 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
    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:
  • 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:
  • 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:
  • 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:
  • 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
    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:
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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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