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Nissan Titan Truck Engine Parts

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 5.25 To 6.12 Inch Stainless Steel Constant Torque Hose Clamp

    5.25 To 6.12 Inch Stainless Steel Constant Torque Hose Clamp

    AUTOMANN USA

    $11.87
    Constant-Torque ClampThe Constant-Torque hose clamp features a heavy-duty stainless steel construction and a spring mechanism. This design allows the spring to automatically adjust the clamp's...
    09-07020002
    SKU:
    09-07020002
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $11.87
    Qty in Cart: 0
    Price:
    $11.87
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49549, 38550, 2201209

    Serpentine Belt Tensioner Pulley Assembly Replaces 49549, 38550, 2201209

    AFTERMARKET

    $157.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.574 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060170
    SKU:
    29-07060170
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Width Options:
    1 1/2 Inch
    Make:
    Universal Items
    $157.99
    Qty in Cart: 0
    Price:
    $157.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49579, 2871294, 4920105

    Serpentine Belt Tensioner Pulley Assembly Replaces 49579, 2871294, 4920105

    AFTERMARKET

    $213.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.692 Inch Pulley Width   - 2.913 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060166
    SKU:
    29-07060166
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Width Options:
    1 5/8 Inch
    Make:
    Universal Items
    $213.99
    Qty in Cart: 0
    Price:
    $213.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49513, 38513, 3973825

    Serpentine Belt Tensioner Pulley Assembly Replaces 49513, 38513, 3973825

    AFTERMARKET

    $155.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.574 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060173
    SKU:
    29-07060173
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Width Options:
    1 1/2 Inch
    Make:
    Universal Items
    $155.99
    Qty in Cart: 0
    Price:
    $155.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49592, 38635

    Serpentine Belt Tensioner Pulley Assembly Replaces 49592, 38635

    AFTERMARKET

    $157.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.122 Pulley Width   - 3.07 Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioners Against Defects...
    29-07060162
    SKU:
    29-07060162
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 1/4 Inch
    Make:
    Universal Items
    $157.99
    Qty in Cart: 0
    Price:
    $157.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49507, 38507, 1238381

    Serpentine Belt Tensioner Pulley Assembly Replaces 49507, 38507, 1238381

    AFTERMARKET

    $228.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.574 Inch Pulley Width   - 2.952 Inch Pulley O.D. * Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060169
    SKU:
    29-07060169
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Width Options:
    1 1/2 Inch
    Make:
    Universal Items
    $228.99
    Qty in Cart: 0
    Price:
    $228.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49599, 38646, 2873203

    Serpentine Belt Tensioner Pulley Assembly Replaces 49599, 38646, 2873203

    AFTERMARKET

    $220.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.692 Inch Pulley Width   - 2.913 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060165
    SKU:
    29-07060165
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Width Options:
    1 5/8 Inch
    Make:
    Universal Items
    $220.99
    Qty in Cart: 0
    Price:
    $220.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49600, 38523, 21291243

    Serpentine Belt Tensioner Pulley Assembly Replaces 49600, 38523, 21291243

    AFTERMARKET

    $145.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.811 Inch Pulley Width   - 2.992 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060171
    SKU:
    29-07060171
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Width Options:
    1 3/4 Inch
    Make:
    Universal Items
    $145.99
    Qty in Cart: 0
    Price:
    $145.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 87Gb41A, 87Gb41C, 38523

    Serpentine Belt Tensioner Pulley Assembly Replaces 87Gb41A, 87Gb41C, 38523

    AFTERMARKET

    $144.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.574 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060154
    SKU:
    29-07060154
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 1/2 Inch
    Make:
    Universal Items
    $144.99
    Qty in Cart: 0
    Price:
    $144.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49501, 38504, 3978022

    Serpentine Belt Tensioner Pulley Assembly Replaces 49501, 38504, 3978022

    AFTERMARKET

    $194.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.574 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060161
    SKU:
    29-07060161
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Width Options:
    1 1/2 Inch
    Make:
    Universal Items
    $194.99
    Qty in Cart: 0
    Price:
    $194.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49521, 38516, 3281583

    Serpentine Belt Tensioner Pulley Assembly Replaces 49521, 38516, 3281583

    AFTERMARKET

    $203.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.310 Inch Pulley Width   - 3.023 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060157
    SKU:
    29-07060157
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Width Options:
    1 1/4 Inch
    Make:
    Universal Items
    $203.99
    Qty in Cart: 0
    Price:
    $203.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49552, 87Gb46C, 130441000

    Serpentine Belt Tensioner Pulley Assembly Replaces 49552, 87Gb46C, 130441000

    AFTERMARKET

    $114.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 0.984 Inch Pulley Width   - 2.992 Inch Pulley O.D. * Made In USA* Sold Individually* Warranty On Tensioners...
    29-07060163
    SKU:
    29-07060163
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 Inch
    Make:
    Universal Items
    $114.99
    Qty in Cart: 0
    Price:
    $114.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 38702, 49607, 5270678

    Serpentine Belt Tensioner Pulley Assembly Replaces 38702, 49607, 5270678

    AFTERMARKET

    $169.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.3 Inch Pulley Width   - 3.0 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060148
    SKU:
    29-07060148
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 1/4 Inch
    Make:
    Universal Items
    $169.99
    Qty in Cart: 0
    Price:
    $169.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49561, 9062002470

    Serpentine Belt Tensioner Pulley Assembly Replaces 49561, 9062002470

    AFTERMARKET

    $127.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.279 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060155
    SKU:
    29-07060155
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 1/4 Inch
    Make:
    Universal Items
    $127.99
    Qty in Cart: 0
    Price:
    $127.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49566, 38597, 127427001

    Serpentine Belt Tensioner Pulley Assembly Replaces 49566, 38597, 127427001

    AFTERMARKET

    $213.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.279 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060164
    SKU:
    29-07060164
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Width Options:
    1 1/4 Inch
    Make:
    Universal Items
    $213.99
    Qty in Cart: 0
    Price:
    $213.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49502, 38508, 1352150

    Serpentine Belt Tensioner Pulley Assembly Replaces 49502, 38508, 1352150

    AFTERMARKET

    $233.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.574 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060160
    SKU:
    29-07060160
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 1/2 Inch
    Make:
    Universal Items
    $233.99
    Qty in Cart: 0
    Price:
    $233.99
    Subtotal:
  • Cummins N14 Balancer

    Cummins N14 Balancer

    PITTSBURGH POWER

    $265.99
    Balancer Cummins N14/NTC/ Caterpillar C12/13Balance your engine easily without a trip to the machine shop. This device fits right between your crankshaft damper and crankshaft, effectively...
    29-0704033
    SKU:
    29-0704033
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $265.99
    Qty in Cart: 0
    Price:
    $265.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49580, 38607

    Serpentine Belt Tensioner Pulley Assembly Replaces 49580, 38607

    AFTERMARKET

    $265.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.574 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060147
    SKU:
    29-07060147
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 1/2 Inch
    Make:
    Universal Items
    $265.99
    Qty in Cart: 0
    Price:
    $265.99
    Subtotal:
  • EGR Temperature Sensor Replaces 4902912, 2596660C1, 4700501

    EGR Temperature Sensor Replaces 4902912, 2596660C1, 4700501

    AFTERMARKET

    $103.99
    Exhaust Gas Temperature SensorThis EGR Temperature Sensor is manufactured to strict OE standards, ensuring perfect functionality and easy installation that matches your vehicle seamlessly. Engineered...
    29-07100036
    SKU:
    29-07100036
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Color:
    Black
    $103.99
    Qty in Cart: 0
    Price:
    $103.99
    Subtotal:
  • Turbo Mounting Gasket Replaces 189998PE, 908.570, 908570

    Turbo Mounting Gasket Replaces 189998PE, 908.570, 908570

    AUTOMANN USA

    $22.03
    Turbo Mounting Gasket Paccar MX13 For Elring* High Quality Turbo Mounting Gasket* Sold Individually* Warranty On Turbo Mounting Gaskets Against Defects In Workmanship & Material From Date Of...
    29-07040030
    SKU:
    29-07040030
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $22.03
    Qty in Cart: 0
    Price:
    $22.03
    Subtotal:
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Adding your products to cart

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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