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Engine & Performance Parts

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  • Price
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  • AirDog II DF-165-5G Air Stroke System For Ford F250/F350/F450/F550 Powerstroke 6.0L Engines

    AirDog II DF-165-5G Air Stroke System For Ford F250/F350/F450/F550 Powerstroke 6.0L Engines

    AIRDOG HD

    $872.00
    II DF-165-5G Air Stroke System By AirDog W/ Mounting Bracket & Hardware Kit* High Quality Air Dog Air Stroke System* AirDog II DF-165-5G Air Stroke* For Models With 6.0L Powerstroke* Includes:  - (1)...
    05-07030066
    SKU:
    05-07030066
    Product Type:
    Engine Parts
    $872.00
    Qty in Cart: 0
    Price:
    $872.00
    Subtotal:
  • FREE SHIPPING
    BESTfit Aluminum A/C Evaporator W/ Plate-Fin Design For Peterbilt 567/579 & Kenworth T680 & T880 Replaces W2078001

    BESTfit Aluminum A/C Evaporator W/ Plate-Fin Design For Peterbilt 567/579 & Kenworth T680 & T880 Replaces W2078001

    BESTFIT TRUCK PARTS

    $341.99
    Aluminum A/C Evaporator W/ Plate-Fin Design By BESTfit Replaces W2078001 Fits Peterbilt 567/579 & Kenworth T680 & T880Keep your heavy-duty truck's HVAC system operating at peak efficiency with the...
    29-07000028
    SKU:
    29-07000028
    Product Type:
    Engine Parts
    Material Options:
    Aluminum
    Width Options:
    2 1/2 Inch
    Length Options:
    8 1/4 Inch
    Height Options:
    10 Inch
    Make:
    Peterbilt
    Make:
    Kenworth
    $341.99
    Qty in Cart: 0
    Price:
    $341.99
    Subtotal:
  • FREE SHIPPING
    BESTfit Aluminum A/C Evaporator W/ Plate-Fin Core Design For Volvo VN & VHD / Mack CX, Pinnacle & Titan Replaces 85104196

    BESTfit Aluminum A/C Evaporator W/ Plate-Fin Core Design For Volvo VN & VHD / Mack CX, Pinnacle & Titan Replaces 85104196

    BESTFIT TRUCK PARTS

    $262.99
    Aluminum A/C Evaporator W/ Plate-Fin Core Design By BESTfit Fits Volvo VN & VHD / Mack CX, Pinnacle & Titan Replaces 85104196Keep your truck's climate control system operating at peak performance...
    29-07000024
    SKU:
    29-07000024
    Product Type:
    Engine Parts
    Width Options:
    2 1/4 Inch
    Material Options:
    Aluminum
    Height Options:
    7 Inch
    Length Options:
    8 1/4 Inch
    Make:
    Volvo
    Make:
    Mack
    $262.99
    Qty in Cart: 0
    Price:
    $262.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Aluminum A/C Expansion Valve W/ Block Flange Style For Volvo & Mack Replaces N1848001

    BESTfit Aluminum A/C Expansion Valve W/ Block Flange Style For Volvo & Mack Replaces N1848001

    BESTFIT TRUCK PARTS

    $59.99
    Aluminum A/C Expansion Valve W/ Block Flange Style By BESTfit Replaces N1848001 Fits Volvo & MackThe BESTfit Aluminum A/C Expansion Valve for Volvo and Mack trucks is designed to deliver accurate...
    29-07000030
    SKU:
    29-07000030
    Product Type:
    Engine Parts
    Make:
    Mack
    Make:
    Volvo
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Aluminum A/C Expansion Valve W/ Slim Line Block Style Design For Kenworth Replaces 1000534258BSM

    BESTfit Aluminum A/C Expansion Valve W/ Slim Line Block Style Design For Kenworth Replaces 1000534258BSM

    BESTFIT TRUCK PARTS

    $46.99
    Aluminum A/C Expansion Valve W/ Slim Line Block Style Design By BESTfit Replaces 1000534258BSM Fits KenworthMaintain efficient air conditioning performance with the BESTfit Aluminum A/C Expansion...
    29-07000025
    SKU:
    29-07000025
    Product Type:
    Engine Parts
    Material Options:
    Aluminum
    Make:
    Kenworth
    $46.99
    Qty in Cart: 0
    Price:
    $46.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Aluminum Plastic Heater Core For Volvo VNL I, II & III Replaces 85104200

    BESTfit Aluminum Plastic Heater Core For Volvo VNL I, II & III Replaces 85104200

    BESTFIT TRUCK PARTS

    $170.99
    Aluminum Plastic Heater Core By BESTfit Fits Volvo VNL I, II & III Replaces 85104200Keep your Volvo VNL I, II, and III trucks operating with reliable cabin heat using the BESTfit Aluminum Plastic...
    13-070000029
    SKU:
    13-070000029
    Product Type:
    Engine Parts
    Height Options:
    6 Inch
    Width Options:
    1 5/8 Inch
    Material Options:
    Aluminum
    Length Options:
    10 1/4 Inch
    Make:
    Volvo
    $170.99
    Qty in Cart: 0
    Price:
    $170.99
    Subtotal:
  • FREE SHIPPING
    BESTfit A/C Evaporator W/ Plate Fin Design For Mack CHU & Granite

    BESTfit A/C Evaporator W/ Plate Fin Design For Mack CHU & Granite

    BESTFIT TRUCK PARTS

    $355.99
    A/C Evaporator W/ Plate Fin Design By BESTfit Fits Mack CHU & GraniteRestore reliable cooling performance in your Mack CHU and Granite trucks with the BESTfit A/C Evaporator featuring a Plate Fin...
    11-070000018
    SKU:
    11-070000018
    Product Type:
    Engine Parts
    Height Options:
    7 Inch
    Width Options:
    2 1/2 Inch
    Length Options:
    10 1/4 Inch
    Make:
    Mack
    $355.99
    Qty in Cart: 0
    Price:
    $355.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Aluminum A/C Expansion Valve W/ Block Flange Design For Volvo Replaces 82795719

    BESTfit Aluminum A/C Expansion Valve W/ Block Flange Design For Volvo Replaces 82795719

    BESTFIT TRUCK PARTS

    $54.99
    Aluminum A/C Expansion Valve W/ Block Flange Design By BESTfit Fits Volvo Replaces 82795719Maintain optimal HVAC performance in your Volvo truck with the BESTfit Aluminum A/C Expansion Valve with...
    13-070000027
    SKU:
    13-070000027
    Product Type:
    Engine Parts
    Material Options:
    Aluminum
    Make:
    Volvo
    $54.99
    Qty in Cart: 0
    Price:
    $54.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Aluminum A/C Expansion Valve W/ Block Flange Design For Volvo Replaces 82795757

    BESTfit Aluminum A/C Expansion Valve W/ Block Flange Design For Volvo Replaces 82795757

    BESTFIT TRUCK PARTS

    $55.99
    Aluminum A/C Expansion Valve W/ Block Flange Design By BESTfit Fits Volvo Replaces 82795757The BESTfit Aluminum A/C Expansion Valve with Block Flange Design for Volvo trucks, replacing OEM part...
    13-070000028
    SKU:
    13-070000028
    Product Type:
    Engine Parts
    Material Options:
    Aluminum
    Type Options:
    Flange Mount
    Make:
    Volvo
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • FREE SHIPPING
    BESTfit A/C Evaporator W/ Tube-Fin Design For Mack MR

    BESTfit A/C Evaporator W/ Tube-Fin Design For Mack MR

    BESTFIT TRUCK PARTS

    $313.99
    A/C Evaporator W/ Tube-Fin Design By BESTfit Fits Mack MRThe BESTfit A/C Evaporator with Tube-Fin Design for Mack MR applications is a dependable replacement component designed to restore efficient...
    11-070000017
    SKU:
    11-070000017
    Product Type:
    Engine Parts
    Width Options:
    3 1/8 Inch
    Length Options:
    12 3/4 Inch
    Height Options:
    8 Inch
    Make:
    Peterbilt
    Make:
    Mack
    $313.99
    Qty in Cart: 0
    Price:
    $313.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Aluminum A/C Expansion Valve Block Type W/ Flange Mount For Peterbilt

    BESTfit Aluminum A/C Expansion Valve Block Type W/ Flange Mount For Peterbilt

    BESTFIT TRUCK PARTS

    $46.99
    Aluminum A/C Expansion Valve Block Type W/ Flange Mount By BESTfit Fits PeterbiltRestore efficient cooling performance with the BESTfit Aluminum A/C Expansion Valve Block Type with Flange Mount for...
    01-070000043
    SKU:
    01-070000043
    Product Type:
    Engine Parts
    Material Options:
    Aluminum
    Type Options:
    Flange Mount
    Make:
    Peterbilt
    $46.99
    Qty in Cart: 0
    Price:
    $46.99
    Subtotal:
  • FREE SHIPPING
    BESTfit 11 X 13.750 Inch A/C Evaporator W/ Orifice Tube Valve Type & Plate Fin Design For Peterbilt

    BESTfit 11 X 13.750 Inch A/C Evaporator W/ Orifice Tube Valve Type & Plate Fin Design For Peterbilt

    BESTFIT TRUCK PARTS

    $384.99
    11 X 13.750 Inch A/C Evaporator W/ Orifice Tube Valve Type & Plate Fin Design By BESTfit Fits PeterbiltKeep your Peterbilt's air conditioning system performing at peak efficiency with the BESTfit 11...
    01-070000045
    SKU:
    01-070000045
    Product Type:
    Engine Parts
    Make:
    Peterbilt
    $384.99
    Qty in Cart: 0
    Price:
    $384.99
    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:
  • Rear Driver Shaft Assembly For Isuzu NPR, NQR & NRR 2005-2007 Replaces 024001000, 8973503733, 8973676482

    Rear Driver Shaft Assembly For Isuzu NPR, NQR & NRR 2005-2007 Replaces 024001000, 8973503733, 8973676482

    DAYTON / DORMAN

    $1,096.99
    Rear Driver Shaft Assembly Replaces 024001000, 8973503733, 8973676482 Fits Isuzu NPR, NQR & NRR 2005-2007This high-quality Rear Driver Shaft Assembly replacement for Isuzu NPR, NQR, and NRR trucks is...
    08-07050004
    SKU:
    08-07050004
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    Length Options:
    84 Inch
    Diameter Options:
    3 1/2 Inch
    Make:
    Isuzu
    $1,096.99
    Qty in Cart: 0
    Price:
    $1,096.99
    Subtotal:
  • BESTfit Six Bolt PowerShift Power Take-Off For Mechanical Transmissions Replaces 180274J, 270GBHVPB3XK, 272GBHVPB3RK

    BESTfit Six Bolt PowerShift Power Take-Off For Mechanical Transmissions Replaces 180274J, 270GBHVPB3XK, 272GBHVPB3RK

    BESTFIT TRUCK PARTS

    $3,311.99
    Six Bolt PowerShift Power Take-Off By BESTfit Replaces 180274J, 270GBHVPB3XK, 272GBHVPB3RK Fits Mechanical TransmissionsDesigned for strength and dependable operation, the BESTfit Six Bolt PowerShift...
    29-07050039
    SKU:
    29-07050039
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $3,311.99
    Qty in Cart: 0
    Price:
    $3,311.99
    Subtotal:
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Frequently Asked Questions About Engine & Performance Parts

How do I know if an engine or performance part will fit my truck?

Fitment depends on your truck's make, model, engine family, and year, so it's important to check the compatibility details listed on each product page before ordering. If you're unsure, have your VIN or engine serial number on hand and reach out to our team so we can confirm the part matches your specific setup.

Will installing a performance part affect my truck's warranty or emissions compliance?

Some engine and performance components, especially those related to fuel delivery, exhaust, or emissions systems, can impact manufacturer warranties or federal and state emissions compliance depending on your truck's model year and how it's used. We recommend reviewing manufacturer warranty terms and local regulations before installing any part that alters factory engine settings or emissions output.

Can I install these parts myself, or do I need a professional?

Many parts, such as filters, gaskets, sensors, and belts, are straightforward enough for an experienced DIYer with the right tools. More involved components, like turbochargers, ECM modules, or major engine internals, typically require professional installation to ensure proper calibration and to avoid damage. If a listing includes detailed install instructions or torque specs, that's a good sign the job can be handled in-house; otherwise, we suggest having a qualified diesel technician install it.

What's the difference between OEM and aftermarket performance parts?

OEM parts are made to match your truck's original factory specifications, offering predictable fit and performance. Aftermarket performance parts are often designed to improve on stock capability, whether that's horsepower, fuel efficiency, or durability, but quality and results can vary by brand. We list manufacturer information on each product page so you can compare options and choose what fits your priorities and budget.

How long do engine and performance parts typically last before needing replacement?

Lifespan varies widely depending on the specific part, how the truck is used, and maintenance habits. Wear items like filters and belts need more frequent replacement, while components like turbochargers or sensors can last much longer with proper care. Check the product description for any manufacturer-suggested service intervals, and keep an eye on your truck's performance for early signs that a part may need attention.


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