Hex Flange Head Capscrews
Genuine Hex Flange Head Capscrews for Onan, Cummins & Fleetguard Engines
Discover our premium collection of Hex Flange Head Capscrews, engineered specifically for power engines by Onan, Cummins, and Fleetguard. These genuine replacement parts are designed to provide a secure fit and superior clamping force, essential for maintaining engine integrity under demanding conditions.
Hex Flange Head Capscrews – Durable, Reliable, Genuine Diesel Engine Parts
Our Hex Flange Head Capscrews feature integrated flanges that distribute load evenly, reducing the need for washers and enhancing stability. Crafted from high-grade materials, these capscrews resist corrosion and wear, ensuring long-lasting performance in diesel engine assemblies.
- Precision Fit: Engineered to meet exact specifications for Onan, Cummins, and Fleetguard power engines.
- Enhanced Durability: Manufactured with premium alloys for superior strength and corrosion resistance.
- Optimized Performance: Flange head design provides reliable clamping force and prevents loosening under vibration.
Maintain your diesel engine’s reliability with our genuine Hex Flange Head Capscrews—trusted by professionals and designed for performance.
Why Choose Our Hex Flange Head Capscrews?
Choose our genuine Hex Flange Head Capscrews for unmatched quality, expert support, and guaranteed compatibility with Onan, Cummins, and Fleetguard diesel engines.
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CUMMINS 3928873 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 4
CUMMINS
$38.37$35.05Engineered for endurance, designed for excellence. Precision-machined to deliver secure fastening under demanding engine conditions. Enhanced corrosion resistance ensures long-lasting durability and...$38.37$35.05 -
CUMMINS 3926972 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 3
CUMMINS
$39.72$36.28Precision-engineered for unmatched performance and lasting strength Enhanced flange design delivers optimal load distribution and vibration resistance Certified Cummins OEM component guaranteeing...$39.72$36.28 -
CUMMINS 3926863 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 6
CUMMINS
$43.06$39.34Precision-engineered fastening for uncompromising performance Superior corrosion resistance ensuring extended service life 100% genuine Cummins OEM component guaranteeing perfect...$43.06$39.34 -
CUMMINS 3926846 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 5
CUMMINS
$32.70$29.88Precision fastening engineered for enduring strength and reliability Designed to maintain engine integrity under demanding conditions Enhanced corrosion resistance for longer service life 100%...$32.70$29.88 -
CUMMINS 3925437 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$22.49$20.55Engineered precision for enduring strength and reliability Corrosion-resistant hex flange design for secure fastening Designed to meet exact Cummins OEM specifications Genuine OEM part ensuring peak...$22.49$20.55 -
CUMMINS 3925344 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$23.94$21.87Precision engineered to empower your power system's backbone Robust hex flange head design ensures secure fastening under extreme conditions Manufactured as an authentic CUMMINS OEM component...$23.94$21.87 -
CUMMINS 3924962 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$15.99$14.61Precision engineered fastening for uncompromised power assembly strength Durability that withstands demanding engine environments Original Equipment Manufacturer (OEM) quality ensures perfect fit...$15.99$14.61 -
CUMMINS 3921851 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$38.57$35.24Engineered for utmost reliability under high stress and vibration Precision-machined flange head for optimal torque distribution Genuine OEM quality ensures flawless compatibility and peak engine...$38.57$35.24 -
CUMMINS 3921816 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$14.54$13.28Engineered for Precision and Durability: Delivering secure fastening essential for engine reliability. Corrosion-Resistant Flange Design: Ensures long-lasting service even in harsh environments...$14.54$13.28 -
CUMMINS 3920781 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$55.22$50.44Built to last, engineered to perform seamlessly within your Cummins system Precision hex flange head design ensures optimal torque and secure fastening under high-stress conditions Corrosion...$55.22$50.44 -
CUMMINS 3920780 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$41.59$38.00Precision engineered fastening solution designed to maintain structural integrity under demanding conditions Durable hex flange head ensures even load distribution preventing loosening and enhancing...$41.59$38.00 -
CUMMINS 3920779 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 6
CUMMINS
$86.19$78.74Engineered Precision for Enduring Performance Robust hex flange design guarantees secure fastening under intense operating conditions Crafted exclusively as an OEM part by Cummins for seamless...$86.19$78.74 -
CUMMINS 3920447 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 6 - SUPERSEDED FROM 3910540
CUMMINS
$64.06$58.52Precision engineered for uncompromised engine integrity Robust flange design ensures secure fastening under heavy loads Constructed from premium materials delivering long-lasting service 100%...$64.06$58.52 -
CUMMINS 3920346 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 3
CUMMINS
$58.20$53.17Precision engineered fastening for uncompromising dependability Exceptional tensile strength ensuring secure connections under extreme conditions Corrosion-resistant coating designed to extend part...$58.20$53.17 -
CUMMINS 3918109 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$12.92$11.80Precision-engineered fastening for uncompromising engine integrity Superior corrosion resistance extending service life Certified OEM Cummins part to guarantee exact fit and performance Trust the...$12.92$11.80 -
CUMMINS 3915767 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$122.90$112.27Precision-engineered fastening solution ensuring lasting reliability in demanding Cummins power systems Designed for optimal torque distribution and vibration resistance, critical for engine...$122.90$112.27 -
CUMMINS 3914407 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$24.60$22.48Engineered to hold your Cummins system together with unmatched strength and precision. Exceptional corrosion resistance for long-lasting durability under extreme conditions. Accurate OEM...$24.60$22.48 -
CUMMINS 3913638 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$7.40$6.76Engineered to last, designed to perform Precision flange head capscrew ensuring stable engine assembly Corrosion-resistant finish for long-term durability Certified OEM CUMMINS component...$7.40$6.76 -
CUMMINS 3913034 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$37.58$34.33Precision engineered for unwavering strength and reliability Corrosion-resistant flange design ensures lasting secure holds Specifically manufactured as an original equipment Cummins...$37.58$34.33 -
CUMMINS 3910901 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$33.72$30.80Engineered for Excellence, Trusted for Endurance Precision-machined hex flange head design for superior fastening strength Corrosion-resistant finish ensures long-lasting durability in demanding...$33.72$30.80 -
CUMMINS 3910495 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$24.30$22.20Engineered Precision for Seamless Assembly Corrosion-resistant design enhances longevity under demanding conditions Optimized flange head ensures evenly distributed clamping force for secure...$24.30$22.20 -
CUMMINS 3907860 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 8
CUMMINS
$29.00$26.50Cummins 3907860 - HEX FLANGE HEAD CAPSCREW MINS3907860 Finding authentic replacement parts is vital for maintaining outdoor equipment. Look no further than our store to purchase the 3907860 - HEX...$29.00$26.50 -
CUMMINS 3907233 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$50.06$45.73Engineered precision for uncompromising reliability in every turn. Robust HEX flange head design ensures superior clamping force and vibration resistance. Constructed from premium-grade materials...$50.06$45.73 -
CUMMINS 3906733 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 4
CUMMINS
$63.56$58.06Designed to deliver unwavering strength and precision fastening for your Cummins engine components Engineered with advanced materials to resist corrosion, wear, and maintain torque integrity over...$63.56$58.06 -
CUMMINS 3904446 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$26.09$23.84Engineered for endurance, built to perform flawlessly. Precision Hex Flange Head design ensures secure fastening under high stress and vibration. Corrosion-resistant finish extends service life in...$26.09$23.84 -
CUMMINS 3903857 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$21.28$19.44Engineered for unmatched strength and precision fastening. Designed to maintain engine integrity under demanding conditions. 100% genuine OEM Cummins component for assured compatibility and...$21.28$19.44 -
CUMMINS 3903464 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$22.63$20.67Built to last, engineered to perform with Cummins precision. Robust hex flange design for superior clamping force and vibration resistance. Manufactured with high-grade materials ensuring durability...$22.63$20.67 -
CUMMINS 3902460 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$18.12$16.55Precision engineered fastening for dependable power systems. Hex flange head design ensures enhanced torque and vibration resistance. Corrosion-resistant material for extended service life under...$18.12$16.55 -
CUMMINS 3902116 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$23.89$21.83Engineered for unmatched strength and reliability to keep your power system running seamlessly. Corrosion-resistant design ensures long-lasting durability even in demanding environments...$23.89$21.83 -
CUMMINS 3902115 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$31.47$28.75Crafted to uphold Cummins' legacy of engineering excellence and dependable power. High-grade steel construction delivers exceptional strength and corrosion resistance. Precisely designed flange head...$31.47$28.75 -
CUMMINS 3902114 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$11.00$10.05Engineered for Precision, Built for Reliability Robust hex flange head design enhances torque control and load distribution Manufactured to exact Cummins OEM specifications for seamless...$11.00$10.05 -
CUMMINS 3902112 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$11.98$10.95Engineered to perform, built to last — precision fastening at its finest. High-strength hex flange design delivers superior clamping force to maintain engine integrity under harsh conditions...$11.98$10.95 -
CUMMINS 3901937 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 5
CUMMINS
$35.44$32.37Precision fastening engineered for enduring engine reliability Exceptional flange head design ensuring superior torque distribution Manufactured to OEM Cummins standards for guaranteed...$35.44$32.37 -
CUMMINS 3901865 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$23.84$21.78Precision fastening engineered for enduring strength Designed to withstand demanding operational stresses for uncompromised engine reliability Crafted exclusively by Cummins to guarantee perfect fit...$23.84$21.78 -
CUMMINS 3901446 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$12.92$11.80Engineered to deliver unmatched strength and secure fastening under demanding conditions Designed to resist corrosion and maintain mechanical integrity over extended service intervals Authentic...$12.92$11.80 -
CUMMINS 3901249 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$24.30$22.20Engineered precision fastening for unmatched durability Designed to withstand extreme operating conditions and vibrations 100% genuine OEM Cummins component ensuring perfect compatibility CUMMINS...$24.30$22.20 -
CUMMINS 3900679 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$16.14$14.74Engineered to secure your power with uncompromising strength Precision-crafted hex flange design for superior load distribution and vibration resistance Durable corrosion-resistant material...$16.14$14.74 -
CUMMINS 3900678 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$11.64$10.63Engineered to perform under pressure: This hex flange head capscrew ensures optimal fastening strength for your Cummins engine components. Durable corrosion-resistant finish: Protects against harsh...$11.64$10.63 -
CUMMINS 3900637 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$24.62$22.49Engineered to Last: Precision-crafted to uphold Cummins’ renowned durability. Optimized Fit and Function: Ensures secure fastening critical for optimal engine performance. Trusted OEM Quality:...$24.62$22.49 -
CUMMINS 3900635 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 2
CUMMINS
$24.04$21.96Precision engineered for peak performance Durable hex flange head design ensures steady fastening under vibration OEM Cummins part guarantees perfect compatibility and long-term reliability CUMMINS...$24.04$21.96