Hex Head Capscrews

Genuine Hex Head Capscrews for Diesel Engines by Onan, Cummins & Fleetguard

Discover our premium collection of Hex Head Capscrews engineered specifically for Onan, Cummins, and Fleetguard diesel engines. These high-strength fasteners are essential for reliable engine assembly, ensuring durability and vibration resistance under demanding conditions.

Secure Your Diesel Engine with Genuine Hex Head Capscrews

Our Hex Head Capscrews, including variations such as heavy-duty hex bolts and standard hex screws, deliver exceptional clamping force and corrosion resistance. Crafted from superior-grade materials, they guarantee long-lasting performance and compatibility with your power engine components.

  • Precision Fit: Tailored to meet exact specifications for Onan, Cummins, and Fleetguard engines.
  • Robust Construction: Made from premium alloys to withstand extreme engine conditions.
  • Enhanced Durability: Resists wear, corrosion, and vibration to maintain secure assemblies.

Why Choose Our Hex Head Capscrews?

We provide only genuine, brand-certified Hex Head Capscrews to ensure optimal engine performance, extended service life, and peace of mind for your diesel engine maintenance needs.

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  • CUMMINS 4910405 - HEX HEAD CAPSCREW - Original OEM part - Image 1
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    CUMMINS 4910405 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $57.33
    $52.37
    Dependable fastening for relentless power Precision-engineered hex head design for optimal torque and secure fit Manufactured as a genuine Cummins OEM component for guaranteed compatibility CUMMINS...
    $57.33
    $52.37
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $57.33
    $52.37
    Subtotal:
  • CUMMINS 4389733 - HEX HEAD CAPSCREW - Original OEM part - Image 1
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    CUMMINS 4389733 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $30.25
    $27.63
    Unwavering strength designed for Cummins power systems Precision-engineered hex head design for optimal torque and secure fastening Crafted as an original equipment manufacturer (OEM) component for...
    $30.25
    $27.63
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $30.25
    $27.63
    Subtotal:
  • CUMMINS 4385088 - HEX HEAD CAPSCREW - Original OEM part - Image 1
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    CUMMINS 4385088 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $655.39
    $598.70
    Engineered for uncompromising strength and exact fitment Crafted to maintain critical engine assembly integrity under high stress Certified OEM component ensuring peak compatibility and...
    $655.39
    $598.70
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $655.39
    $598.70
    Subtotal:
  • CUMMINS 4373096 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4373096 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $39.36
    $35.96
    Precision engineered for uncompromising power system integrity Durable hex head design ensures secure fastening under demanding conditions Corrosion-resistant finish enhances longevity in harsh...
    $39.36
    $35.96
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $39.36
    $35.96
    Subtotal:
  • CUMMINS 4358010 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4358010 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $232.48
    $212.37
    Engineered for precision and endurance – the CUMMINS 4358010 HEX HEAD CAPSCREW performs with uncompromising strength under demanding conditions. Corrosion-resistant and dimensionally exact, ensuring...
    $232.48
    $212.37
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $232.48
    $212.37
    Subtotal:
  • CUMMINS 4353890 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4353890 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $14.86
    $13.58
    Precision engineered fastener ensuring secure engine assembly High-grade material for enhanced corrosion resistance and strength 100% genuine Cummins OEM component, designed exclusively for Cummins...
    $14.86
    $13.58
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14.86
    $13.58
    Subtotal:
  • CUMMINS 4353418 - HEX HEAD CAPSCREW - Original OEM part - Image 1
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    CUMMINS 4353418 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $300.35
    $274.37
    Precision engineered for unmatched durability and secure fastening Corrosion-resistant material guarantees long-lasting performance under extreme conditions 100% genuine Cummins OEM part designed...
    $300.35
    $274.37
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $300.35
    $274.37
    Subtotal:
  • CUMMINS 4352931 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4352931 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $1,640.18
    $1,498.31
    Engineered for Endurance, Crafted for Confidence Precision-Machined for Optimal Fit and Stability High-Grade Materials Ensure Long-Lasting Corrosion Resistance 100% Genuine Cummins OEM Component for...
    $1,640.18
    $1,498.31
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,640.18
    $1,498.31
    Subtotal:
  • CUMMINS 4321025 - HEX HEAD CAPSCREW - Original OEM part - Image 1
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    CUMMINS 4321025 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $7,172.14
    $6,551.75
    Precision-engineered to uphold Cummins' legacy of power and durability High-strength steel construction ensures optimal torque and lasting hold Corrosion-resistant finish protects against harsh...
    $7,172.14
    $6,551.75
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,172.14
    $6,551.75
    Subtotal:
  • CUMMINS 4320839 - HEX HEAD CAPSCREW - Original OEM part - Image 1
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    CUMMINS 4320839 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $100.64
    $91.93
    Precision-engineered strength for uncompromising performance Durable construction designed to endure the toughest operating conditions 100% genuine Cummins OEM to ensure full compatibility and peak...
    $100.64
    $91.93
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $100.64
    $91.93
    Subtotal:
  • CUMMINS 4313295 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4313295 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $423.95
    $387.28
    Engineered Excellence for Lasting Performance Precision-machined hex head capscrew ensuring optimal torque retention and secure assembly Crafted from high-grade materials to resist corrosion and...
    $423.95
    $387.28
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $423.95
    $387.28
    Subtotal:
  • CUMMINS 4097025 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4097025 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $6.48
    $5.92
    Precision engineered to uphold Cummins’ legacy of dependable power Robust hex head design ensures secure fastening under demanding conditions Manufactured to meet strict OEM standards for optimum...
    $6.48
    $5.92
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6.48
    $5.92
    Subtotal:
  • CUMMINS 4096832 - HEX HEAD CAPSCREW - Original OEM part - Image 1
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    CUMMINS 4096832 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $85.54
    $78.14
    Precision in Every Thread: Engineered to meet exacting Cummins standards for secure fastening and peak engine integrity. Exceptional Durability: Crafted from premium materials to withstand intense...
    $85.54
    $78.14
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $85.54
    $78.14
    Subtotal:
  • CUMMINS 4096724 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4096724 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $20.55
    $18.77
    Cummins 4096724 - HEX HEAD CAPSCREW MINS4096724 Upgrade your outdoor equipment with the genuine Cummins 4096724 - HEX HEAD CAPSCREW. Made for durability and precision, this original part ensures a...
    $20.55
    $18.77
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $20.55
    $18.77
    Subtotal:
  • CUMMINS 4096718 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4096718 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $14.37
    $13.13
    Precision engineered fastening strength for uncompromising engine integrity Crafted to maintain secure, vibration-resistant connections under demanding conditions Manufactured as a genuine OEM part...
    $14.37
    $13.13
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14.37
    $13.13
    Subtotal:
  • CUMMINS 4096716 - HEX HEAD CAPSCREW - Original OEM part - Image 1
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    CUMMINS 4096716 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $20.76
    $18.97
    Engineered for Endurance: Delivering unmatched strength and resilience under high-stress conditions. Precision Fitment: Designed to meet strict Cummins OEM specifications for flawless compatibility...
    $20.76
    $18.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $20.76
    $18.97
    Subtotal:
  • CUMMINS 4096711 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4096711 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $63.63
    $58.12
    Cummins 4096711 - HEX HEAD CAPSCREW MINS4096711 Find the reliable original 4096711 - HEX HEAD CAPSCREW by Cummins at our store. Crafted with precision and quality, this product SKU MINS4096711...
    $63.63
    $58.12
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $63.63
    $58.12
    Subtotal:
  • CUMMINS 4096379 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4096379 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $27.29
    $24.93
    Precision engineered for enduring strength and seamless integration. Exceptional corrosion resistance ensures long-lasting service under demanding conditions. Manufactured exclusively as an OEM...
    $27.29
    $24.93
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $27.29
    $24.93
    Subtotal:
  • CUMMINS 4096243 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4096243 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $90.94
    $83.07
    Engineered strength for uncompromised performance. Precision machining ensures exact fit and long-lasting durability. 100% genuine OEM Cummins part for guaranteed compatibility. CUMMINS 4096243 HEX...
    $90.94
    $83.07
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $90.94
    $83.07
    Subtotal:
  • CUMMINS 4096161 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4096161 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $142.07
    $129.78
    Engineered for excellence, crafted for endurance. Robust hex head design to deliver secure fastening under demanding engine conditions. Corrosion-resistant finish ensuring long-lasting reliability...
    $142.07
    $129.78
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $142.07
    $129.78
    Subtotal:
  • CUMMINS 4096115 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4096115 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $36.44
    $33.29
    Precision-Engineered Strength: Crafted to meet rigorous Cummins standards for optimal torque and fastening reliability. Corrosion-Resistant Durability: Designed for long-lasting service under...
    $36.44
    $33.29
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $36.44
    $33.29
    Subtotal:
  • CUMMINS 4096046 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4096046 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $16.12
    $14.72
    Precision-engineered fastener that guarantees secure assembly under demanding engine conditions Corrosion-resistant material ensures extended service life and consistent strength Authentic Cummins...
    $16.12
    $14.72
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $16.12
    $14.72
    Subtotal:
  • CUMMINS 4096035 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4096035 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $109.24
    $99.79
    Precision forged for unmatched strength and reliability Engineered to ensure optimal torque and secure fastening Corrosion-resistant finish for extended service life Certified OEM component from...
    $109.24
    $99.79
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $109.24
    $99.79
    Subtotal:
  • CUMMINS 4095971 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095971 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $103.72
    $94.75
    Built to deliver uncompromising strength and reliability under Cummins’ exacting standards. Precision-engineered hex head capscrew designed for a secure, vibration-resistant fit. Manufactured with...
    $103.72
    $94.75
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $103.72
    $94.75
    Subtotal:
  • CUMMINS 4095935 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095935 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $32.16
    $29.38
    Precision fastening engineered for enduring power Corrosion-resistant hex head capscrew designed for maximum torque retention Manufactured as a genuine OEM Cummins part to guarantee exact fit and...
    $32.16
    $29.38
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $32.16
    $29.38
    Subtotal:
  • CUMMINS 4095869 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095869 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $25.17
    $22.99
    Precision fastening engineered for enduring performance Corrosion-resistant design for harsh operating environments OEM quality guarantees optimal compatibility and safety Cummins Genuine OEM part...
    $25.17
    $22.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $25.17
    $22.99
    Subtotal:
  • CUMMINS 4095832 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095832 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $36.31
    $33.17
    Engineered to perform, built to endure — trust in Cummins precision. Precision Threading for Optimal Fit: Ensures secure fastening under extreme operating conditions. Premium Alloy Steel...
    $36.31
    $33.17
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $36.31
    $33.17
    Subtotal:
  • CUMMINS 4095828 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095828 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $80.65
    $73.67
    Engineered to endure, built to perform. Corrosion-resistant stainless steel construction for lasting strength. Exact specifications to ensure flawless compatibility. 100% genuine OEM part from...
    $80.65
    $73.67
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $80.65
    $73.67
    Subtotal:
  • CUMMINS 4095827 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095827 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $58.03
    $53.01
    Precision fastening engineered for uncompromising Cummins power. High-strength alloy ensures lasting stability under extreme engine conditions. Corrosion-resistant design safeguards against harsh...
    $58.03
    $53.01
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $58.03
    $53.01
    Subtotal:
  • CUMMINS 4095816 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095816 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $38.69
    $35.35
    Engineered to Endure: Delivering steadfast reliability under the most demanding conditions. Precision-Fit Design: Guarantees optimal compatibility with your Cummins equipment for seamless operation...
    $38.69
    $35.35
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $38.69
    $35.35
    Subtotal:
  • CUMMINS 4095815 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095815 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $43.69
    $39.91
    Precision Engineering Meets Dependability Robust Hex Head Design for Superior Torque and Fit Manufactured to Strict OEM Standards for Complete Compatibility Certified Cummins Genuine OEM Component...
    $43.69
    $39.91
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $43.69
    $39.91
    Subtotal:
  • CUMMINS 4095813 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095813 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $48.49
    $44.30
    Precision-engineered strength for dependable power Exceptional durability to withstand demanding operating conditions Guaranteed genuine OEM part from Cummins for perfect fit and function CUMMINS...
    $48.49
    $44.30
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $48.49
    $44.30
    Subtotal:
  • CUMMINS 4095812 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095812 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $32.10
    $29.33
    Engineered to perfection, designed to exceed expectations. Precision-machined hex head capscrew for secure and dependable fastening. Constructed from high-grade materials to withstand rigorous...
    $32.10
    $29.33
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $32.10
    $29.33
    Subtotal:
  • CUMMINS 4095807 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095807 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $34.64
    $31.64
    Engineered for Excellence: Precision-crafted to deliver secure fastening with optimal torque retention. Durability at Its Core: Manufactured from high-grade materials that resist corrosion and...
    $34.64
    $31.64
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $34.64
    $31.64
    Subtotal:
  • CUMMINS 4095804 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095804 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $36.83
    $33.64
    Precision-engineered reliability: Crafted for optimal fastening strength and durability under demanding engine conditions. Corrosion-resistant finish: Designed to withstand harsh environments,...
    $36.83
    $33.64
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $36.83
    $33.64
    Subtotal:
  • CUMMINS 4095802 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095802 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $32.67
    $29.85
    Engineered to deliver unmatched fastening strength for peak power system reliability Precision-manufactured to Cummins OEM standards for perfect compatibility and longevity Designed to withstand...
    $32.67
    $29.85
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $32.67
    $29.85
    Subtotal:
  • CUMMINS 4095801 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095801 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $31.74
    $28.99
    Precision engineered fastening for steadfast power solutions Robust hex head design ensures secure, vibration-resistant assembly Manufactured to OEM specifications for flawless...
    $31.74
    $28.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $31.74
    $28.99
    Subtotal:
  • CUMMINS 4095762 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095762 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $144.27
    $131.79
    Precision engineered reliability for your Cummins power system Durable hex head design provides superior fastening strength Corrosion-resistant finish for extended service life Genuine OEM part from...
    $144.27
    $131.79
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $144.27
    $131.79
    Subtotal:
  • CUMMINS 4095751 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095751 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $59.90
    $54.72
    Engineered to deliver uncompromising strength and precise fit for Cummins power systems Corrosion-resistant design ensures extended service life under harsh operating conditions OEM part crafted to...
    $59.90
    $54.72
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $59.90
    $54.72
    Subtotal:
  • CUMMINS 4095738 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4095738 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $493.38
    $450.71
    Experience unmatched durability with every turn, engineered for Cummins power systems Precision-crafted hex head capscrew that guarantees secure fastening under demanding conditions Genuine OEM...
    $493.38
    $450.71
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $493.38
    $450.71
    Subtotal:
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