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 3991132 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$33.84$30.91Dependable fastening engineered to Cummins' exacting standards Precision-machined hex head for optimal torque and secure installation Manufactured as an original equipment part for guaranteed...$33.84$30.91 -
CUMMINS 3929537 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$27.58$25.20Engineered for Reliability: Designed to uphold the integrity of your Cummins engine assemblies under demanding conditions. Precision Fit and Strength: Manufactured to OEM specifications ensuring...$27.58$25.20 -
CUMMINS 3912072 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$7.82$7.14Engineered to Amplify Durability and Precision in Every Turn High-strength steel construction designed to resist corrosion and maintain tight fastening under demanding conditions Precisely machined...$7.82$7.14 -
CUMMINS 3908181 HEX HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$23.60$21.56Precision fastening engineered for lasting durability. High-strength material ensures secure connections under demanding conditions. Manufactured as a genuine OEM CUMMINS component for perfect fit...$23.60$21.56 -
CUMMINS 3904222 HEX HEAD CAPSCREW Original OEM part PACK OF 4
CUMMINS
$45.25$41.34Precision-engineered fastening solution for your Cummins generator or engine Durable hex head design crafted to withstand high torque and vibration Manufactured as a genuine OEM part to guarantee...$45.25$41.34 -
CUMMINS 3901395 HEX HEAD CAPSCREW Original OEM part PACK OF 8
CUMMINS
$91.20$83.32Engineered to excellence for critical fastening reliability Precision manufacturing ensures perfect fit and lasting strength Manufactured as a genuine OEM Cummins component to maintain system...$91.20$83.32 -
CUMMINS 3900677 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$3.64$3.32Built to Power Your Performance Precision-engineered hex head design ensures superior clamping force and secure fastening. Durable corrosion-resistant material guarantees long service life even...$3.64$3.32 -
CUMMINS 3900621 HEX HEAD CAPSCREW Original OEM part PACK OF 10
CUMMINS
$84.12$76.84Engineered to enhance Cummins power assembly stability High-tensile strength for enduring performance under stress Certified genuine OEM Cummins part guaranteeing perfect compatibility CUMMINS...$84.12$76.84 -
CUMMINS 3900469 HEX HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$24.58$22.46Engineered Precision for Maximum Reliability: Experience exact fit and lasting strength every time. Corrosion-Resistant, Heavy-Duty Construction: Designed to withstand harsh environments and...$24.58$22.46 -
CUMMINS 3899757 HEX HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$19.34$17.67Precision-engineered fastening solution for enduring strength and secure assembly Manufactured to exact Cummins OEM specifications for flawless compatibility Resistant to high stress, corrosion, and...$19.34$17.67 -
CUMMINS 3878733 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$25.28$23.10Precision-engineered fastening for uncompromising performance Durable hex head design ensures maximum torque and secure hold Manufactured as a genuine OEM Cummins component for perfect...$25.28$23.10 -
CUMMINS 3862622 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$46.97$42.91Engineered for excellence, built to last. Precision-machined hex head design for secure fastening and vibration resistance. Corrosion-resistant finish tailored for demanding environments. Authentic...$46.97$42.91 -
CUMMINS 3632306 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$172.83$157.88Precision engineered fastening for unbeatable engine integrity Robust hex head design offers superior torque control Manufactured as a genuine OEM Cummins component for assured...$172.83$157.88 -
CUMMINS 3632029 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$480.53$438.96Engineered for Endurance: Crafted to meet Cummins’ exacting standards for strength and reliability. Precision Fit: Designed specifically to fit Cummins systems seamlessly, ensuring optimal...$480.53$438.96 -
CUMMINS 3628194 HEX HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$28.20$25.77Precision engineered for dependable strength and exact fit Ensures secure assembly of critical engine components under extreme conditions Manufactured to Cummins’ stringent OEM standards for...$28.20$25.77 -
CUMMINS 3627095 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$117.83$107.64Precision Engineering for Unmatched Durability Exceptional Torque Strength to Secure Critical Components Manufactured to Cummins’ Rigorous OEM Standards Authentic Cummins Part Guarantees...$117.83$107.64 -
CUMMINS 3421898 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$100.88$92.16Precision engineered for unwavering strength and reliability Durable hex head design provides secure and consistent torque Crafted as a genuine OEM Cummins component for perfect fit and...$100.88$92.16 -
CUMMINS 3420865 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$111.58$101.93Precision engineered to uphold Cummins' legacy of strength and reliability. Robust hex head design ensures optimal torque and secure fastening under demanding conditions. Crafted from premium...$111.58$101.93 -
CUMMINS 3349015 HEX HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$14.89$13.61Precision engineered fastening solution built to last under demanding conditions Exceptional tensile strength ensuring secure assembly across Cummins power units Guaranteed OEM quality for perfect...$14.89$13.61 -
CUMMINS 3335044 HEX HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$20.00$18.27Engineered for enduring strength and precision fastening in demanding Cummins systems Crafted from premium materials to resist wear, corrosion, and mechanical stress Designed exclusively as an OEM...$20.00$18.27 -
CUMMINS 3328742 HEX HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$52.74$48.18Engineered for excellence and built to last—trust Cummins precision. Provides unmatched fastening strength for optimal engine integrity. Crafted with premium-grade materials ensuring corrosion...$52.74$48.18 -
CUMMINS 3178947 HEX HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$14.78$13.50Engineered to endure the harshest conditions, securing your system with Cummins precision. Features a robust hex head design for optimal torque application and longevity. Crafted as an OEM Cummins...$14.78$13.50 -
CUMMINS 3177760 HEX HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$36.67$33.50Cummins 3177760 - HEX HEAD CAPSCREW MINS3177760 Discover top-notch quality with the 3177760 - HEX HEAD CAPSCREW by Cummins, available at our store under the SKU "MINS3177760". Ensure your outdoor...$36.67$33.50 -
CUMMINS 3175074 HEX HEAD CAPSCREW Original OEM part PACK OF 8
CUMMINS
$71.82$65.60Engineered for Peak Performance and Reliability Robust Hex Head Design Ensures Secure Assembly Under Stress Precision Manufactured as an OEM Component for Seamless Compatibility CUMMINS 3175074 HEX...$71.82$65.60 -
CUMMINS 3164598 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$28.83$26.33Precision crafted for dependable power systems Durable hex head design ensures secure fastening under extreme conditions Corrosion-resistant finish for enhanced longevity in harsh environments 100%...$28.83$26.33 -
CUMMINS 3093830 HEX HEAD CAPSCREW Original OEM part PACK OF 7
CUMMINS
$78.47$71.68Engineered Excellence Meets Rugged Reliability Precision-Machined Hex Head Capscrew for Optimal Torque and Fit Durable, High-Grade Material for Long-Lasting Service Life 100% Genuine OEM Cummins...$78.47$71.68 -
CUMMINS 3081346 HEX HEAD CAPSCREW Original OEM part PACK OF 6
CUMMINS
$70.76$64.64Engineered to uphold Cummins' legacy of durability and precision Crafted with corrosion-resistant materials for extended service life Designed exclusively as an OEM component ensuring perfect fit...$70.76$64.64 -
CUMMINS 3071161 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$75.42$68.89Built to endure, designed to perform—experience unmatched durability. Precision-engineered hex head capscrew for optimal engine assembly integrity. Corrosion-resistant finish enhances longevity...$75.42$68.89 -
CUMMINS 3070962 HEX HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$15.42$14.08Precision engineered fastening for unwavering engine integrity Exceptional tensile strength ensures lasting durability under extreme conditions Corrosion-resistant finish protects critical...$15.42$14.08 -
CUMMINS 3070961 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$22.39$20.46Precision-engineered fastening for dependable performance Exceptional material strength to withstand demanding engine conditions Certified genuine OEM component from Cummins for seamless...$22.39$20.46 -
CUMMINS 3070679 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$7.80$7.13Engineered for precision, built for endurance High-grade hex head design for superior fastening strength Corrosion-resistant finish to withstand harsh operating conditions Certified OEM product from...$7.80$7.13 -
CUMMINS 3064652 HEX HEAD CAPSCREW Original OEM part PACK OF 4
CUMMINS
$99.60$90.99Precision engineered strength for critical fastening needs. Corrosion-resistant design ensures lasting durability under harsh conditions. 100% OEM Cummins quality guaranteeing exact compatibility...$99.60$90.99 -
CUMMINS 3064115 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$56.42$51.54Precision in every thread for unmatched reliability. Engineered for optimal strength and corrosion resistance. Designed specifically for Cummins engines ensuring perfect compatibility. Genuine OEM...$56.42$51.54 -
CUMMINS 3064109 HEX HEAD CAPSCREW Original OEM part PACK OF 4
CUMMINS
$56.54$51.65Engineered for Excellence: Precision-crafted to meet Cummins' rigorous standards ensuring optimal engine integrity. Robust Durability: Built to withstand high torque and harsh operating conditions...$56.54$51.65 -
CUMMINS 3046409 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$164.15$149.95Experience uncompromising durability forged by Cummins engineering excellence Precision-machined hex head capscrew engineered for secure and stable engine assembly Constructed to exact OEM...$164.15$149.95 -
CUMMINS 3035022 THREAD LOCKING SCREW Original OEM part
CUMMINS
$145.56$132.97Precision in every thread, reliability in every turn. Engineered for maximum vibration resistance to maintain secure connections. Designed to enhance engine safety and long-term system stability...$145.56$132.97 -
CUMMINS 3034836 HEX HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$14.69$13.42Built to last under demanding conditions – engineered for precision and robustness. High tensile strength and corrosion resistance to secure critical engine components reliably. 100% genuine...$14.69$13.42 -
CUMMINS 3028279 HEX HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$29.76$27.19Power your engine with precision and trust Robust construction ensures long-lasting fastening strength under demanding conditions Precisely engineered to meet Cummins’ exact specifications for...$29.76$27.19 -
CUMMINS 3023536 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$62.80$57.37Precision Engineered for Unwavering Strength Corrosion-Resistant Finish for Extended Durability 100% Genuine Cummins OEM for Perfect Compatibility CUMMINS 3023536 HEX HEAD CAPSCREW - The Backbone...$62.80$57.37 -
CUMMINS 3022148 HEX HEAD CAPSCREW Original OEM part PACK OF 4
CUMMINS
$40.26$36.78Precision-engineered fastening solution designed to meet Cummins' rigorous standards. Constructed from premium-grade materials for superior strength and long-lasting performance. Ensures optimal...$40.26$36.78