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Nissan Titan Truck Engine Parts

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  • Qty in Cart
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  • Price
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  • Harness Injector Dozer Kit For Cummins Dozer

    Harness Injector Dozer Kit For Cummins Dozer

    JML KUSTOMS

    $16.81
    Harness Injector Cummins Dozer KitThis heavy-duty injector harness kit is built with 16 AWG nylon/copper wiring and is designed for use with Cummins-powered dozers. It features a plug-and-play design...
    29-16030021
    SKU:
    29-16030021
    Product Type:
    Engine Parts
    Material Options:
    Copper
    Make:
    Universal Items
    $16.81
    Qty in Cart: 0
    Price:
    $16.81
    Subtotal:
  • Third Position Female Connector For Water In Fuel Application For Detroit DD13, DD15, DD16

    Third Position Female Connector For Water In Fuel Application For Detroit DD13, DD15, DD16

    JML KUSTOMS

    $16.81
    Detroit Engine Third Position Female ConnectorThis third-position female connector kit is designed for fuel-in-water sensors on engines such as DD13, DD15, and DD16. It uses 16 AWG nylon/copper...
    29-16030020
    SKU:
    29-16030020
    Material Options:
    Copper
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $16.81
    Qty in Cart: 0
    Price:
    $16.81
    Subtotal:
  • 4 Way Female Compact Nox Sensor Connector Pigtail 1.1 m Gray

    4 Way Female Compact Nox Sensor Connector Pigtail 1.1 m Gray

    JML KUSTOMS

    $23.55
    4 Way Female Compact Nox Sensor Connector PigtailThis connector pigtail is built with 16 AWG nylon/copper wiring and features a gray, 4-way female compact plug that's designed to fit NOX sensors used...
    09-160300013
    SKU:
    09-160300013
    Color:
    Gray
    Material Options:
    Copper
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $23.55
    Qty in Cart: 0
    Price:
    $23.55
    Subtotal:
  • 4 Pin Square Hardness Wiring Pigtail For NOX Sensor

    4 Pin Square Hardness Wiring Pigtail For NOX Sensor

    JML KUSTOMS

    $21.86
    Square 4 Pin Hardness Wiring Pigtail Fits Nitrogen Oxide SensorThis high-quality wiring pigtail is built with 16 AWG nylon/copper construction and features a square 4 pin female connection designed...
    09-160300012
    SKU:
    09-160300012
    Material Options:
    Copper
    Shape Options:
    Square
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $21.86
    Qty in Cart: 0
    Price:
    $21.86
    Subtotal:
  • 2 Pin Female Connector Harness Crankshaft Kit

    2 Pin Female Connector Harness Crankshaft Kit

    JML KUSTOMS

    $16.81
    Harness Crankshaft KitThis high-quality harness crankshaft kit is built with 16 AWG nylon/copper wiring and features a 2 pin female connection for dependable electrical contact. It includes...
    09-160300010
    SKU:
    09-160300010
    Material Options:
    Copper
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $16.81
    Qty in Cart: 0
    Price:
    $16.81
    Subtotal:
  • Female Low Coolant Level Sensor Connector

    Female Low Coolant Level Sensor Connector

    JML KUSTOMS

    $23.55
    Low Coolant Kit / Harness Nox Sensor KIT - Female SensorThis kit includes a low-coolant level sensor and matching harness - a plug-and-play solution for monitoring coolant levels and restoring proper...
    09-160300009
    SKU:
    09-160300009
    Product Type:
    Engine Parts
    Material Options:
    Copper
    Make:
    Universal Items
    $23.55
    Qty in Cart: 0
    Price:
    $23.55
    Subtotal:
  • 2 Position 2 Pin Female Harness Weather Pack Connector

    2 Position 2 Pin Female Harness Weather Pack Connector

    JML KUSTOMS

    $16.81
    Harness Weather Pack 2 Position Female ConnectorThis high-quality harness weather pack connector is built with 16 AWG nylon/copper wiring and features a 2 pin female connection for a secure and...
    09-160300011
    SKU:
    09-160300011
    Product Type:
    Engine Parts
    Material Options:
    Copper
    Make:
    Universal Items
    $16.81
    Qty in Cart: 0
    Price:
    $16.81
    Subtotal:
  • Harness AC Compressor Connector Kit - Male & Female

    Harness AC Compressor Connector Kit - Male & Female

    JML KUSTOMS

    $21.86
    AC Compressor Connector KitThis AC Compressor Connector Kit includes male and female connectors, heat shrink butt connectors, and durable 16 AWG, 15cm nylon/copper wires. It's simple, reliable, and...
    09-160300008
    SKU:
    09-160300008
    Material Options:
    Copper
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $21.86
    Qty in Cart: 0
    Price:
    $21.86
    Subtotal:
  • Oil Dipstick 47.5 Inch Replaces A4710100472, DDEA4710100472 For Detroit Engine DD13

    Oil Dipstick 47.5 Inch Replaces A4710100472, DDEA4710100472 For Detroit Engine DD13

    AUTOMANN USA

    $29.68
    Detroit Diesel Engine Oil DipstickLooking for a oil level indicator? This replacement Oil Dipstick is designed for various Detroit Diesel and Freightliner models. It makes checking your engine oil...
    29-07200001
    SKU:
    29-07200001
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Length Options:
    47 1/4 Inch
    $29.68
    Qty in Cart: 0
    Price:
    $29.68
    Subtotal:
  • Water Pump Replaces 3803361 3803605, RW1073, RW1073X, RW6073 For Cummins N14-310/330/350/370/410

    Water Pump Replaces 3803361 3803605, RW1073, RW1073X, RW6073 For Cummins N14-310/330/350/370/410

    AFTERMARKET

    $281.99
    Multi Groove Engine Water PumpDeliver reliable cooling to your Cummins N14 engine with this high-quality replacement water pump. Constructed of steel, with a multi-groove pulley and 6-bolt mounting,...
    29-07120010
    SKU:
    29-07120010
    Material Options:
    Steel
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $281.99
    Qty in Cart: 0
    Price:
    $281.99
    Subtotal:
  • Belt Tensioner Assembly 1.826 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.826 X 2.952 Inch Pulley

    AFTERMARKET

    $236.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.826 Inch Pulley Width  - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060049
    SKU:
    29-07060049
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $236.99
    Qty in Cart: 0
    Price:
    $236.99
    Subtotal:
  • Poly- V Ribbed Serpentine Belt 53.90 Inch Replaces 4050539

    Poly- V Ribbed Serpentine Belt 53.90 Inch Replaces 4050539

    AUTOMANN USA

    $26.43
    53.90 Inch Poly- V Serpentine Belt Replaces 5K538, K050538, 4050539* High Quality V Serpentine Belt* Dimensions:  - 53.90 Inch Effective Length  - 54.30 Inch Outside Length* 5 Ribs* Sold...
    29-07060073
    SKU:
    29-07060073
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $26.43
    Qty in Cart: 0
    Price:
    $26.43
    Subtotal:
  • Belt Tensioner Assembly - 39120, 49464, 89395DAY

    Belt Tensioner Assembly - 39120, 49464, 89395DAY

    AFTERMARKET

    $124.99
    Drive Belt Tensioner Assembly with 2 Pulleys* High Quality Belt Tensioner Assembly* Dimensions:  - 1.072 Inch/ 1.031 Inch Pulley Width  - 2.968 Inch/ 3 Inch Pulley OD* 6 Grooves* Made In USA* Sold...
    29-07060053
    SKU:
    29-07060053
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $124.99
    Qty in Cart: 0
    Price:
    $124.99
    Subtotal:
  • Belt Tensioner Assembly 1.830 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.830 X 2.952 Inch Pulley

    AFTERMARKET

    $213.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.830 Inch Pulley Width   - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060045
    SKU:
    29-07060045
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 3/4 Inch
    Diameter Options:
    3 Inch
    $213.99
    Qty in Cart: 0
    Price:
    $213.99
    Subtotal:
  • Belt Tensioner Assembly 1.574 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.574 X 2.952 Inch Pulley

    AFTERMARKET

    $134.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.574 Inch Pulley Width   - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060050
    SKU:
    29-07060050
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 1/2 Inch
    Diameter Options:
    3 Inch
    $134.99
    Qty in Cart: 0
    Price:
    $134.99
    Subtotal:
  • Belt Tensioner Assembly 1.692 X 2.913 Inch Pulley

    Belt Tensioner Assembly 1.692 X 2.913 Inch Pulley

    AFTERMARKET

    $208.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.692 Inch Pulley Width  - 2.913 Inch Pulley OD* 10 Grooves* Made In USA* Sold Individually* Warranty On...
    29-07060048
    SKU:
    29-07060048
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Diameter Options:
    2 3/4 Inch
    Width Options:
    1 5/8 Inch
    $208.99
    Qty in Cart: 0
    Price:
    $208.99
    Subtotal:
  • Belt Tensioner Assembly 1.871 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.871 X 2.952 Inch Pulley

    AFTERMARKET

    $294.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.871 Inch Pulley Width   - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060047
    SKU:
    29-07060047
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 3/4 Inch
    Diameter Options:
    3 Inch
    $294.99
    Qty in Cart: 0
    Price:
    $294.99
    Subtotal:
  • Belt Tensioner Assembly 1.811 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.811 X 2.952 Inch Pulley

    AFTERMARKET

    $246.99
    Drive Belt Tensioner Assembly* High Quality Belt Tensioner Assembly* Steel And Poly* Dimensions:  - 1.811 Inch Pulley Width  - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Belt...
    29-07060041
    SKU:
    29-07060041
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Diameter Options:
    3 Inch
    Width Options:
    1 3/4 Inch
    $246.99
    Qty in Cart: 0
    Price:
    $246.99
    Subtotal:
  • Belt Tensioner Assembly 1.279 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.279 X 2.952 Inch Pulley

    AFTERMARKET

    $194.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.279 Inch Pulley Width  - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060046
    SKU:
    29-07060046
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 1/4 Inch
    Diameter Options:
    3 Inch
    $194.99
    Qty in Cart: 0
    Price:
    $194.99
    Subtotal:
  • Belt Tensioner Assembly 1.299 X 3 Inch Pulley

    Belt Tensioner Assembly 1.299 X 3 Inch Pulley

    AFTERMARKET

    $112.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.299 Inch Pulley Width  - 3.00 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060043
    SKU:
    29-07060043
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $112.99
    Qty in Cart: 0
    Price:
    $112.99
    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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