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Nissan Titan Truck Engine Parts

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Fleetguard WF2127 Spin On Water Filter For Cummins ISX QSX Models

    Fleetguard WF2127 Spin On Water Filter For Cummins ISX QSX Models

    OPP - ORIGINAL PARTS PROGRAM

    $55.99
    Coolant Filter For Cummins ISX Engines* High Quality Water Filter* Spin On* Sold Individually* Warranty On Water Filters Against Defects In Workmanship & Material From Date Of Purchase*** This Is An...
    WF2127FLG
    SKU:
    WF2127FLG
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    RigMaster APU Radiator Cap 13 PSI

    RigMaster APU Radiator Cap 13 PSI

    RIGMASTER

    Now: $8.16
    Was: $22.43
    13 PSI APU Radiator Cap* High Quality Radiator Cap* 13 PSI* Sold Individually* Warranty On Radiator Caps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    RP5029
    SKU:
    RP5029
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $8.16
    Was: $22.43
    Qty in Cart: 0
    Price:
    Now: $8.16
    Was: $22.43
    Subtotal:
  • RigMaster Linz Generator Conversion Kit For Caterpillar, Perkins Engine

    RigMaster Linz Generator Conversion Kit For Caterpillar, Perkins Engine

    RIGMASTER

    $1,373.99
    Linz Generator Conversion Kit* High Quality Linz Generator Conversion Kit* Kit Includes:  - Linz Generator Kit   - Rear Engine Bracket   - Generator Pulley Bushing   - Serpentine Belt   - Mounting...
    RP7029KU
    SKU:
    RP7029KU
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,373.99
    Qty in Cart: 0
    Price:
    $1,373.99
    Subtotal:
  • RigMaster APU 170 AMP Alternator With Serpentine Pulley For Kohler LG200 Moto

    RigMaster APU 170 AMP Alternator With Serpentine Pulley For Kohler LG200 Moto

    RIGMASTER

    $469.99
    RigMaster 170 AMP Alternator With Serpentine Pulley* High Quality Smart Alternator* 170 Amp* With Serpentine Belt Pulley* Sold Individually* Warranty On Smart Alternators Against Defects In...
    LG7004
    SKU:
    LG7004
    Location:
    Made In USA
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $469.99
    Qty in Cart: 0
    Price:
    $469.99
    Subtotal:
  • RigMaster APU Linz Generator Replacement Kit For Apus With Kohler Engine

    RigMaster APU Linz Generator Replacement Kit For Apus With Kohler Engine

    RIGMASTER

    $1,426.99
    Linz Generator Replacement Kit For Apus Kohler Engine* High Quality Linz Generator Kit* Sold Individually* Warranty On Generator Conversion Kits Against Defects In Workmanship & Material From Date Of...
    KT7029KU
    SKU:
    KT7029KU
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,426.99
    Qty in Cart: 0
    Price:
    $1,426.99
    Subtotal:
  • RigMaster APU Fuel Lift / Feeding Pump For Kohler Engine

    RigMaster APU Fuel Lift / Feeding Pump For Kohler Engine

    RIGMASTER

    $192.99
    Kohler Diesel OEM Part ED0065851510-S Fuel Feeding Pump* High Quality Lift Pump* Sold Individually* Warranty On Lift Pumps Against Defects In Workmanship & Material From Date Of Purchase*** High...
    ED0065851510S
    SKU:
    ED0065851510S
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $192.99
    Qty in Cart: 0
    Price:
    $192.99
    Subtotal:
  • RigMaster APU Sub-Frame Kit For Caterpillar, Perkins LG200 Motor

    RigMaster APU Sub-Frame Kit For Caterpillar, Perkins LG200 Motor

    RIGMASTER

    $532.99
    RigMaster Sub-Frame Kit For T46 & LG200 Models For Mounting On The Catwalk* High Quality Sub-Frame Kit* Sold Individually* Warranty On Sub-Frame Kits Against Defects In Workmanship & Material From...
    LG10050K
    SKU:
    LG10050K
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $532.99
    Qty in Cart: 0
    Price:
    $532.99
    Subtotal:
  • RigMaster APU Alternator / Fan V-Belt For Caterpillar, Perkins LG200

    RigMaster APU Alternator / Fan V-Belt For Caterpillar, Perkins LG200

    RIGMASTER

    $9.35
    RigMaster Alternator / Fan V-Belt For Caterpillar And Perkins Engine LG200* High Quality Alternator/ Fan Belt* Sold Individually* Warranty On Alternator/ Fan Belts Against Defects In Workmanship &...
    LG8005
    SKU:
    LG8005
    Truck Class:
    Heavy Duty
    Material Options:
    Rubber
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $9.35
    Qty in Cart: 0
    Price:
    $9.35
    Subtotal:
  • RigMaster APU Fuel Injector Pump Kit For Kohler Engine

    RigMaster APU Fuel Injector Pump Kit For Kohler Engine

    RIGMASTER

    $954.99
    Kohler Diesel OEM Part ED0065851510-S Fuel Feeding Pump* High Quality Injection Pump Kit* Includes   - Fuel Injector Pump  - Fuel Injector Spark Arrestor  - Copper Washer* Sold Individually* Warranty...
    ED0065902900SK
    SKU:
    ED0065902900SK
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $954.99
    Qty in Cart: 0
    Price:
    $954.99
    Subtotal:
  • RigMaster APU Sub-Frame Kit For T46K Units

    RigMaster APU Sub-Frame Kit For T46K Units

    RIGMASTER

    $533.99
    RigMaster Sub-Frame Kit For T46K Units With Or Without Heat* High Quality Sub Frame Kit* For T46K Units With Or Without Heat* Sold Individually* Warranty On Sub Frame Kits Against Defects In...
    KT10050K
    SKU:
    KT10050K
    Location:
    Made In USA
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $533.99
    Qty in Cart: 0
    Price:
    $533.99
    Subtotal:
  • RigMaster APU Linz To Linz Generator Replacement Kit For Kohler Engine

    RigMaster APU Linz To Linz Generator Replacement Kit For Kohler Engine

    RIGMASTER

    $1,296.99
    Generator Replacement Kit For Kohler Engine* High Quality Generator Replacement Kit* Linz To Linz * Sold Individually* Warranty On Generator Replacement Kits Against Defects In Workmanship & Material...
    KT7029K
    SKU:
    KT7029K
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $1,296.99
    Qty in Cart: 0
    Price:
    $1,296.99
    Subtotal:
  • RigMaster APU Starter For Kohler Engine

    RigMaster APU Starter For Kohler Engine

    RIGMASTER

    $781.99
    RigMaster Starter For Kohler Engine OEM Part* High Quality Starter* 12 Volt* Sold Individually* Warranty On Starters Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    ED0058402240S
    SKU:
    ED0058402240S
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $781.99
    Qty in Cart: 0
    Price:
    $781.99
    Subtotal:
  • RigMaster APU Fuel Filter For Caterpillar, Perkins

    RigMaster APU Fuel Filter For Caterpillar, Perkins

    RIGMASTER

    $28.08
    RigMaster Fuel Filter For Caterpillar & Perkins Engines* High Quality Fuel Filter* Sold Individually* Warranty On Fuel Filters Against Defects In Workmanship & Material From Date Of Purchase*** High...
    33262
    SKU:
    33262
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $28.08
    Qty in Cart: 0
    Price:
    $28.08
    Subtotal:
  • RigMaster APU Water Pump For Caterpillar, Perkins

    RigMaster APU Water Pump For Caterpillar, Perkins

    RIGMASTER

    $485.99
    OEM RigMaster Water Pump For Caterpillar & Perkins Engines* High Quality Water Pump* Sold Individually* Warranty On Water Pumps Against Defects In Workmanship & Material From Date Of Purchase*** High...
    145017380
    SKU:
    145017380
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $485.99
    Qty in Cart: 0
    Price:
    $485.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    RigMaster Serpentine Drive Belt - RM-RP8-108 For Caterpillar, Perkins Engines

    RigMaster Serpentine Drive Belt - RM-RP8-108 For Caterpillar, Perkins Engines

    RIGMASTER

    Now: $11.45
    Was: $37.36
    Serpentine Drive Belt - RP8-108* High Quality Serpentine Drive Belt* Sold Individually * Warranty On Serpentine Drive Belts Against Defects In Workmanship & Material From Date Of Purchase*** High...
    RP8108
    SKU:
    RP8108
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $11.45
    Was: $37.36
    Qty in Cart: 0
    Price:
    Now: $11.45
    Was: $37.36
    Subtotal:
  • RigMaster Analog Speed Sensor Upgrade Kit For Caterpillar, Perkins Engines

    RigMaster Analog Speed Sensor Upgrade Kit For Caterpillar, Perkins Engines

    RIGMASTER

    $128.99
    Analog Speed Sensor Upgrade Kit - RP7-106KThe Analog Kit includes a Mechanical/Analog Speed Sensor, an Analog Speed Sensor Connector with Pigtail, a Speed Sensor Bracket, two Yellow Zinc Cap Screws,...
    RP7106K
    SKU:
    RP7106K
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $128.99
    Qty in Cart: 0
    Price:
    $128.99
    Subtotal:
  • RigMaster 20A Power Module, LED Display, 10-Pin Output, 8-Pin Input

    RigMaster 20A Power Module, LED Display, 10-Pin Output, 8-Pin Input

    RIGMASTER

    $463.99
    High-Capacity 20 Amp Power Module W/ LED Display - 10 Pin Output, 8 pin Input - RP50-2505* High Quality Power Module * 20 Amps * LED Display  - Green= OK  - Red= Problem * 10 Pin Output * 8 Pin...
    RP502505
    SKU:
    RP502505
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $463.99
    Qty in Cart: 0
    Price:
    $463.99
    Subtotal:
  • RigMaster Auxiliary Power Unit For Kohler Engine

    RigMaster Auxiliary Power Unit For Kohler Engine

    RIGMASTER

    $10,401.99
    Kohler Auxiliary Power Unit - LG200-K* High Quality Auxiliary Power Unit* Dimensions:   - 25 Inch Depth  - 21 Inch Width  - 28 Inch Height * 170 Amps For Battery Charging * 600 Airflow CFM* 24,000...
    LG200K
    SKU:
    LG200K
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $10,401.99
    Qty in Cart: 0
    Price:
    $10,401.99
    Subtotal:
  • RigMaster A/C Expansion Valve For Caterpillar, Perkins, Kohler

    RigMaster A/C Expansion Valve For Caterpillar, Perkins, Kohler

    RIGMASTER

    $45.34
    Expansion Valve - LG9-003* High Quality Expansion Valve* Sold Individually * Warranty On Expansion Valves Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    LG9003
    SKU:
    LG9003
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $45.34
    Qty in Cart: 0
    Price:
    $45.34
    Subtotal:
  • RigMaster Poly Serpentine Belt For A/C Compressor

    RigMaster Poly Serpentine Belt For A/C Compressor

    RIGMASTER

    $64.99
    A/C Compressor Belt - Serpentine - LG8-006* High Quality Serpentine Belt * Poly * For A/C Compressor * Sold Individually * Warranty On Serpentine Belts Against Defects In Workmanship & Material From...
    LG8006
    SKU:
    LG8006
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $64.99
    Qty in Cart: 0
    Price:
    $64.99
    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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