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 4325648 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$4.20$3.84Precision engineered fastening for dependable power system integrity Robust hex flange head design ensures secure clamping force and vibration resistance Durability built to meet rigorous engine...$4.20$3.84 -
CUMMINS 4325587 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$1.64$1.50Engineered for Precision, Built for Endurance Heavy-Duty Hex Flange Design: Ensures superior fastening strength and vibration resistance. Corrosion-Resistant Finish: Enhances longevity under...$1.64$1.50 -
CUMMINS 4325269 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$2.50$2.29Engineered to last under demanding conditions Precision-machined hex flange design for optimal fastening strength Corrosion-resistant coating enhances longevity and reliability 100% genuine OEM...$2.50$2.29 -
CUMMINS 4325261 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$2.35$2.15Engineered for excellence and durability in every turn. Precision-machined hex flange head for secure fastening under high stress. Enhanced corrosion resistance to withstand harsh operating...$2.35$2.15 -
CUMMINS 4325255 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$2.35$2.15Engineered for Excellence: Precision-manufactured to meet Cummins’ stringent standards ensuring peak performance. Durable & Reliable: Built to endure extreme operating conditions, supporting engine...$2.35$2.15 -
CUMMINS 4325252 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$33.55$30.65Precision engineered fastening for lasting engine integrity High-strength flange design ensures secure mounting under heavy vibrations Manufactured to exact OEM Cummins specifications for flawless...$33.55$30.65 -
CUMMINS 4325251 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$6.10$5.58Precision engineered for uncompromising strength and durability Corrosion-resistant flange head securing critical components reliably Designed specifically to match Cummins specifications for...$6.10$5.58 -
CUMMINS 4325250 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$3.70$3.38Engineered to secure your power with precision and strength. Robust hex flange head design delivers superior clamping force and vibration resistance. Manufactured from premium-grade materials for...$3.70$3.38 -
CUMMINS 4325249 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$3.90$3.57Precision engineered for unmatched reliability in your Cummins system Durable hex flange head design to withstand high torque and stress Ensures optimal fastening that supports engine longevity and...$3.90$3.57 -
CUMMINS 4325243 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$0.74$0.67Precision engineered for seamless integration in Cummins systems Durability under demanding engine conditions ensures consistent fastening strength Designed to optimize engine stability and minimize...$0.74$0.67 -
CUMMINS 4325237 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$4.36$3.98Engineered to deliver uncompromising strength and reliability in every connection Precisely machined hex flange head design for optimal torque application and vibration resistance Manufactured...$4.36$3.98 -
CUMMINS 4325235 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$2.46$2.25Engineered for precision and reliability in demanding power systems High-strength hex flange head design ensures secure fastening Manufactured as an original equipment part by Cummins for guaranteed...$2.46$2.25 -
CUMMINS 4324139 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$155.72$142.25Engineered to empower your Cummins systems with uncompromising strength and precision High-grade HEX flange design provides optimal torque distribution for a secure fit and vibration...$155.72$142.25 -
CUMMINS 4324138 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$191.88$175.29Cummins 4324138 - HEX FLANGE HEAD CAPSCREW MINS4324138 Find the original Cummins 4324138 HEX FLANGE HEAD CAPSCREW with ease at our store. Our store offers the best price and fast shipping on this...$191.88$175.29 -
CUMMINS 4324099 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$179.92$164.35Built to endure, engineered to perform—your engine’s dependable fastening solution. Precision-machined flange head ensures even load distribution and superior torque retention. Manufactured from...$179.92$164.35 -
CUMMINS 4323881 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$187.46$171.25Precision engineered fastening for uncompromising power and stability Robust hex flange head design delivering high torque retention and vibration resistance Constructed as a genuine OEM Cummins...$187.46$171.25 -
CUMMINS 4323538 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$75.94$69.37Engineered precision for uncompromising power Durable hex flange head design ensures secure fastening even under extreme conditions Corrosion-resistant construction to extend service life ...$75.94$69.37 -
CUMMINS 4323488 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$166.85$152.42Engineered Precision, Reliable Strength High-Grade Materials for Maximum Durability Designed for Exact OEM Compatibility Certified Genuine Cummins Component for Optimal Performance CUMMINS 4323488...$166.85$152.42 -
CUMMINS 4313344 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$113.56$103.74Engineered for enduring reliability under demanding Cummins applications Precision-machined flange head capscrew delivers optimal torque distribution Authentic OEM Cummins component guaranteeing...$113.56$103.74 -
CUMMINS 4313208 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$248.88$227.35Built to withstand rigorous demands, engineered for unwavering strength. Precision-crafted flange head design ensures secure fastening under high stress. Durable corrosion-resistant finish extends...$248.88$227.35 -
CUMMINS 4101288 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$311.58$284.63Engineered for Endurance: Experience unmatched fastening strength designed for high-torque Cummins engines. Seamless Compatibility: Crafted specifically to meet stringent Cummins OEM standards,...$311.58$284.63 -
CUMMINS 4097001 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$10.30$9.41Precision engineered for lasting power and reliability. Robust design ensures secure fastening under high-stress conditions. Heat-treated for enhanced durability and corrosion resistance. 100%...$10.30$9.41 -
CUMMINS 4096170 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$46.92$42.86Engineered to deliver unmatched strength and stability for your Cummins power system Precision-machined for optimal torque and secure fastening under demanding conditions Corrosion-resistant...$46.92$42.86 -
CUMMINS 4095844 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$31.57$28.84Engineered for unmatched strength and fitment—every screw meets Cummins' rigorous standards. Designed to maintain optimal engine integrity under demanding conditions, minimizing wear and ensuring...$31.57$28.84 -
CUMMINS 4095838 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$30.78$28.12Engineered for precision and endurance in every fastening task Features an integrated flange design to enhance load distribution and vibration resistance Constructed from premium materials to...$30.78$28.12 -
CUMMINS 4090102 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$16.11$14.71Precision engineered fastening for enduring strength and secure fit Robust flange head design provides enhanced load distribution for critical engine components Manufactured exclusively as a genuine...$16.11$14.71 -
CUMMINS 4088451 HEX FLANGE HEAD CAPSCREW Original OEM part - SUPERSEDED FROM 3927220
CUMMINS
$15.86$14.49Cummins 4088451 - HEX FLANGE HEAD CAPSCREW MINS4088451 Discover the high-quality 4088451 - HEX FLANGE HEAD CAPSCREW by Cummins, available at our store under the SKU MINS4088451. We are your go-to...$15.86$14.49 -
CUMMINS 4088450 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$38.62$35.28Cummins 4088450 - HEX FLANGE HEAD CAPSCREW MINS4088450 Find the original 4088450 - HEX FLANGE HEAD CAPSCREW by Cummins at our store. Made to exact specifications, this product ensures a perfect fit...$38.62$35.28 -
CUMMINS 4083121 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$9.24$8.44Engineered for enduring strength and precision fastening in critical Cummins power systems Designed to deliver consistent torque retention, ensuring long-lasting and secure assembly 100% genuine OEM...$9.24$8.44 -
CUMMINS 4082742 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$20.33$18.57Engineered to endure, designed to perform. Precision-machined hex flange head for secure fastening and vibration resistance. Corrosion-resistant surface treatment extends service life under harsh...$20.33$18.57 -
CUMMINS 4070463 HEX FLANGE HEAD CAPSCREW Original OEM part PACK OF 5
CUMMINS
$26.66$24.35Built to endure, engineered to perform—Cummins precision in every thread. Robust flange design for superior fastening strength and vibration resistance. Manufactured to OEM specifications, ensuring...$26.66$24.35 -
CUMMINS 4066795 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$81.82$74.74Strength that drives performance and endurance – engineered for Cummins excellence. Precision Hex Flange Head design that ensures secure fastening under intense mechanical stress. Manufactured to...$81.82$74.74 -
CUMMINS 4066366 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$433.00$395.55Built for unwavering strength and precision fastening Designed to ensure secure engine assembly and operational integrity Crafted with premium materials to resist wear under demanding...$433.00$395.55 -
CUMMINS 4063157 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$157.75$144.10Engineered for unmatched strength and secure fastening in Cummins engines Precision-manufactured flange design optimizes load distribution and reduces vibration 100% Genuine OEM component ensuring...$157.75$144.10 -
CUMMINS 4058183 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$37.13$33.92Precision engineered fastening for enduring performance. Corrosion-resistant flange head design ensures consistent torque and stability. 100% OEM Cummins component guarantees compatibility and peak...$37.13$33.92 -
CUMMINS 4026812 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$7.73$7.06Precision-engineered fastening for ultimate engine integrity Durable hex flange head design for optimal torque and vibration resistance 100% genuine Cummins OEM part guaranteeing exact fit and...$7.73$7.06 -
CUMMINS 4022907 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$19.88$18.16Engineered for precision and strength in critical Cummins assemblies Provides superior clamping force to maintain optimal engine integrity Crafted exclusively as an original Cummins OEM part...$19.88$18.16 -
CUMMINS 4019687 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$175.19$160.04Cummins 4019687 - HEX FLANGE HEAD CAPSCREW MINS4019687 Find the authentic Cummins 4019687 - HEX FLANGE HEAD CAPSCREW, SKU MINS4019687, at our store. Crafted to precision, this part guarantees...$175.19$160.04 -
CUMMINS 4017567 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$7.95$7.26Engineered to maintain uncompromising strength under demanding conditions Precision-fit hex flange head design ensures optimal torque and secure fastening Crafted as a genuine OEM part from Cummins...$7.95$7.26 -
CUMMINS 4010021 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$32.80$29.97Engineered Strength for Every Bolt Tighten Precision machined flange head for optimal clamping force Corrosion-resistant finish to withstand rugged environments Certified OEM Cummins component...$32.80$29.97