Cotter Pins

Genuine Cotter Pins for Diesel Engines – Secure and Durable Solutions

Ensure the reliability of your diesel engines with our premium Cotter Pins, specially crafted for Onan, Cummins, and Fleetguard power engines. These essential fasteners provide secure locking and prevent loosening in critical engine components, maintaining optimal performance.

High-Quality Cotter Pins for Onan, Cummins, and Fleetguard Engines

Our collection includes standard cotter pins, split pins, and heavy-duty variants engineered to meet the demanding requirements of diesel engine assemblies. Each pin delivers exceptional strength, corrosion resistance, and precise fitment.

  • Durability: Manufactured from high-grade steel for long-lasting engine reliability.
  • Wide Compatibility: Available in multiple diameters and lengths to suit various diesel engine models.
  • Trusted Performance: Prevents component loosening, ensuring safe and efficient engine operation.

Why Choose Our Cotter Pins?

Choose our genuine Cotter Pins for unmatched quality, perfect fitment, and trusted performance across Onan, Cummins, and Fleetguard diesel engines, ensuring your power equipment runs smoothly and reliably.

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  • CUMMINS 3919449 - COTTER PIN Original OEM part PACK OF 10 - Original OEM part - Image 1
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    CUMMINS 3919449 COTTER PIN Original OEM part PACK OF 10

    CUMMINS

    $49.02
    $44.78
    Cummins 3919449 - COTTER PIN MINS3919449 Find the genuine Cummins 3919449 - COTTER PIN at our online store, your ultimate destination for top-quality replacement parts. With a commitment to...
    $49.02
    $44.78
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    $49.02
    $44.78
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  • CUMMINS S505 - COTTER PIN - Original OEM part - Image 1
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    CUMMINS S505 COTTER PIN Original OEM part

    CUMMINS

    $5.99
    $5.48
    Cummins S505 - COTTER PIN MINSS505 When it comes to securing the safety of your outdoor equipment, look no further than the high-quality "S505 - COTTER PIN" by Cummins. This genuine replacement...
    $5.99
    $5.48
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    $5.99
    $5.48
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  • CUMMINS 5298420 - COTTER PIN - Original OEM part - Image 1
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    CUMMINS 5298420 COTTER PIN Original OEM part

    CUMMINS

    $12.63
    $11.54
    Precision engineered for seamless integration and enduring strength High-grade material ensures exceptional resistance to wear and corrosion Essential fastening component securing critical engine...
    $12.63
    $11.54
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    $12.63
    $11.54
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  • CUMMINS 3863156 - COTTER PIN - Original OEM part - Image 1
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    CUMMINS 3863156 COTTER PIN Original OEM part

    CUMMINS

    $4.92
    $4.49
    Dependability forged in Cummins engineering excellence Precision-crafted cotter pin ensuring secure assembly and vibration resistance Manufactured to stringent Cummins OEM specifications for...
    $4.92
    $4.49
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    $4.92
    $4.49
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  • CUMMINS 3693414 - COTTER PIN - Original OEM part - Image 1
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    CUMMINS 3693414 COTTER PIN Original OEM part

    CUMMINS

    $4.80
    $4.39
    Precision-crafted to uphold Cummins' renowned engine integrity Durable design engineered for secure fastening under demanding conditions 100% original OEM component guaranteeing perfect...
    $4.80
    $4.39
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    $4.80
    $4.39
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  • CUMMINS 3631759 - COTTER PIN - Original OEM part - Image 1
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    CUMMINS 3631759 COTTER PIN Original OEM part

    CUMMINS

    $25.30
    $23.12
    Engineered for unwavering performance in demanding conditions Precision-crafted cotter pin ensures secure fastening and extended durability Corrosion-resistant finish for dependable service...
    $25.30
    $23.12
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    $25.30
    $23.12
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  • ONAN 516-0059 - 5160059 COTTER PIN Original ONAN/CUMMINS OEM part - Original OEM part - Image 1
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    ONAN 5160059 COTTER PIN Original ONAN/CUMMINS OEM part

    ONAN

    $9.43
    $8.61
    Engineered for unwavering reliability in every connection Precisely crafted to fit ONAN generator assemblies flawlessly Durable material ensures lasting retention and security Genuine OEM component...
    $9.43
    $8.61
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    $9.43
    $8.61
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  • ONAN 516-0037 - 5160037 COTTER PIN Original ONAN/CUMMINS OEM part - Original OEM part - Image 1
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    ONAN 5160037 COTTER PIN Original ONAN/CUMMINS OEM part

    ONAN

    $7.52
    $6.87
    Engineered to keep your generator running seamlessly Precision-crafted for superior strength and fit Essential for maintaining mechanical integrity and safety Authentic OEM part from ONAN, ensuring...
    $7.52
    $6.87
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    $7.52
    $6.87
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  • ONAN 516-0040 - 5160040 COTTER PIN Original ONAN/CUMMINS OEM part - Original OEM part - Image 1
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    ONAN 5160040 COTTER PIN Original ONAN/CUMMINS OEM part

    ONAN

    $10.03
    $9.16
    Precision engineered for steadfast security under rigorous generator operation Durable design prevents loosening, protecting critical mechanical linkages Guaranteed genuine OEM quality directly from...
    $10.03
    $9.16
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    $10.03
    $9.16
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