Diesel Engine Inserts
Genuine Diesel Engine Inserts for Onan, Cummins, and Fleetguard Engines
Upgrade your diesel power engines with our certified Diesel Engine Inserts, crafted to meet the highest quality standards for Onan, Cummins, and Fleetguard equipment. These inserts ensure optimal engine integrity, enhancing durability and performance under demanding conditions.
Reliable Diesel Engine Inserts – Authentic Replacement Parts by Onan, Cummins, & Fleetguard
Our Diesel Engine Inserts category offers precision-fit inserts engineered to restore cylinder walls and maintain compression for your diesel engines. Whether you require OEM-quality inserts or high-grade aftermarket options, our inventory supports seamless integration with your power equipment.
- Premium Authenticity: Genuine inserts tailored specifically for Onan, Cummins, and Fleetguard diesel engines.
- Enhanced Durability: Manufactured with robust materials to resist wear, corrosion, and thermal stress.
- Optimized Compatibility: Designed for perfect fit to ensure engine efficiency and longevity.
Browse our Diesel Engine Inserts to keep your power engines running smoothly and efficiently with trusted replacement parts.
Why Choose Our Diesel Engine Inserts?
We provide authentic, high-performance inserts backed by expert knowledge and trusted brands, ensuring your diesel engines operate at peak reliability and power.
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FLEETGUARD 3939401S INSERT FILTRATION SERVICE PART Original FLEETGUARD OEM part
FLEETGUARD
$189.18$172.82Fleetguard 3939401-S - INSERT FILTRATION SERVICE PART FLG3939401-S Discover the genuine Fleetguard 3939401-S - INSERT FILTRATION SERVICE PART at our store, the ultimate destination for authentic...$189.18$172.82 -
CUMMINS 206963 FILTER HEAD INSERT Original OEM part
CUMMINS
$64.18$58.63Precision engineered for unwavering power delivery Robust construction that withstands rigorous engine demands Seamless compatibility guaranteeing flawless installation and operation Certified...$64.18$58.63 -
FLEETGUARD SP1085 INSERT Original FLEETGUARD OEM part
FLEETGUARD
$108.16$98.81Fleetguard SP1085 - INSERT - Original part FLGSP1085 Find the original Fleetguard SP1085 - INSERT at our store and ensure your outdoor equipment's optimal performance. Our store offers the SP1085 -...$108.16$98.81 -
CUMMINS 5466481 THREADED INSERT Original OEM part
CUMMINS
$245.26$224.05Experience seamless engine integration with the precision-engineered CUMMINS 5466481. Designed for exceptional durability and exact compatibility to safeguard your equipment’s integrity. Optimizes...$245.26$224.05 -
CUMMINS 5394692 INSERT REMOVER Original OEM part
CUMMINS
$225.60$206.09Precision Crafted for Maximum Reliability: Engineered to meet Cummins’ stringent OEM standards, ensuring flawless compatibility and extended tool life. Designed for Efficiency: Streamlines...$225.60$206.09 -
CUMMINS 4899126 THREADED INSERT Original OEM part
CUMMINS
$70.36$64.27Engineered to deliver unmatched strength and reliability in every installation Designed to maintain optimal engine efficiency and secure component integration Crafted from premium materials ensuring...$70.36$64.27 -
CUMMINS 4349996 THERMOSTAT HOUSING INSERT Original OEM part
CUMMINS
$612.83$559.82Precision-engineered for seamless integration and ultimate reliability Maintains optimal engine temperature to maximize efficiency and longevity Durable construction prevents leaks and withstands...$612.83$559.82 -
FLEETGUARD 3946103 INSERT FILTRATION SERVICE PART Original FLEETGUARD OEM part
FLEETGUARD
$836.50$764.15Fleetguard 3946103 - INSERT FILTRATION SERVICE PART FLG3946103 Discover the genuine Fleetguard 3946103 - INSERT FILTRATION SERVICE PART, SKU FLG3946103, designed to provide top-notch performance...$836.50$764.15 -
FLEETGUARD 3946093 INSERT FILTRATION SERVICE PART Original FLEETGUARD OEM part
FLEETGUARD
$288.40$263.46Fleetguard 3946093 - INSERT FILTRATION SERVICE PART FLG3946093 Ensure your outdoor equipment maintains peak performance with the Fleetguard 3946093 - INSERT FILTRATION SERVICE PART. Specially...$288.40$263.46 -
CUMMINS 3824530 THREADED INSERT Original OEM part
CUMMINS
$54.05$49.37Precision engineered for seamless integration with Cummins systems Durable construction that shields against wear under harsh engine conditions Certified OEM component ensuring uncompromised...$54.05$49.37 -
CUMMINS 3823681 COOLANT PASSAGE INSERT Original OEM part
CUMMINS
$40.48$36.98Engineered Excellence for Reliable Cooling Performance Precision-crafted OEM design for seamless integration Durable construction ensures extended engine life and efficient coolant flow 100% Genuine...$40.48$36.98 -
CUMMINS 3822700 THREADED INSERT Original OEM part
CUMMINS
$78.05$71.30Engineered Precision, Enduring Power Optimized Thread Integrity for secure component fastening Resilient Construction ensures long-lasting service under demanding conditions 100% Genuine Cummins OEM...$78.05$71.30 -
CUMMINS 3822699 THREADED INSERT Original OEM part
CUMMINS
$55.86$51.03Precision-engineered for peak assembly integrity and enduring durability. Designed to maintain optimal thread strength under demanding operational stresses. Manufactured exclusively by Cummins to...$55.86$51.03 -
CUMMINS 3377137 THREADED INSERT Original OEM part
CUMMINS
$116.44$106.37Precision-engineered for seamless integration and enduring strength Exceptionally designed to maintain structural integrity under demanding conditions Crafted exclusively as an OEM Cummins component...$116.44$106.37 -
CUMMINS 3377136 THREADED INSERT Original OEM part
CUMMINS
$138.25$126.29Cummins 3377136 - THREADED INSERT MINS3377136 Find the authentic Cummins 3377136 - THREADED INSERT effortlessly at our store, where quality meets affordability. Designed to fit seamlessly into your...$138.25$126.29 -
CUMMINS 3377135 THREADED INSERT Original OEM part
CUMMINS
$174.59$159.49Cummins 3377135 - THREADED INSERT MINS3377135 Empower your outdoor equipment with the high-quality 3377135 - THREADED INSERT from Cummins. Engineered to precision, this original replacement part...$174.59$159.49 -
CUMMINS 3377134 THREADED INSERT Original OEM part
CUMMINS
$74.25$67.83Cummins 3377134 - THREADED INSERT MINS3377134 Find the authentic Cummins 3377134 THREADED INSERT at the best price in our store. Engineered to precision, this replacement part ensures reliable...$74.25$67.83 -
CUMMINS 3376716 THREADED INSERT Original OEM part
CUMMINS
$79.73$72.83Engineered for enduring strength and flawless fitment Reinforces secure threading for critical engine components Crafted exclusively as an OEM Cummins part to guarantee full system...$79.73$72.83 -
CUMMINS 3376713 THREADED INSERT Original OEM part
CUMMINS
$60.19$54.99Precision-crafted for unmatched durability and seamless integration Designed to provide secure fastening, minimizing wear and ensuring engine stability Manufactured exclusively as a genuine OEM...$60.19$54.99 -
CUMMINS 3376705 THREADED INSERT Original OEM part
CUMMINS
$51.60$47.14Precision engineered for enduring strength and seamless integration. Ensures reliable fastening and optimal engine assembly performance. Manufactured to strict Cummins OEM standards for full...$51.60$47.14 -
CUMMINS 3376701 THREADED INSERT Original OEM part
CUMMINS
$54.18$49.50Precision engineered for unmatched durability and seamless integration. Designed to maintain system integrity under extreme operating conditions. Manufactured as genuine Cummins OEM to guarantee...$54.18$49.50 -
CUMMINS 3376439 THREADED INSERT Original OEM part
CUMMINS
$49.29$45.03Cummins 3376439 - THREADED INSERT MINS3376439 Get the authentic "3376439 - THREADED INSERT" by Cummins at the best price on our store. Crafted for precise fit and exceptional durability, this...$49.29$45.03 -
CUMMINS 3376438 THREADED INSERT Original OEM part
CUMMINS
$35.97$32.86Engineered to deliver enduring strength and seamless integration Ensures optimal thread engagement for secure component assembly Precision-crafted to meet stringent Cummins OEM standards Restores...$35.97$32.86 -
CUMMINS 3376403 MAIN BEARING THREAD INSERT Original OEM part
CUMMINS
$223.14$203.84Precision-crafted durability for dependable powertrain integrity Engineered to ensure exact thread repair and secure main bearing fitment Designed to meet rigorous Cummins OEM standards for...$223.14$203.84 -
CUMMINS 3376282 THREADED INSERT Original OEM part
CUMMINS
$97.24$88.83Precision engineered for seamless integration and durability Enhances structural stability to maintain your power system’s integrity 100% genuine Cummins OEM part, built to exact factory...$97.24$88.83 -
CUMMINS 3375033 HEAVY DUTY INSERT Original OEM part
CUMMINS
$54.18$49.50Precision crafted for unmatched durability and performance Heavy-duty construction engineered to withstand rigorous operational demands Enhances engine longevity and supports optimal fuel...$54.18$49.50 -
CUMMINS 3375031 THINWALL INSERT Original OEM part
CUMMINS
$22.28$20.36Cummins 3375031 - THINWALL INSERT MINS3375031 Get the genuine Cummins 3375031 - THINWALL INSERT at our store. Made with quality materials, this product ensures superior performance and durability...$22.28$20.36 -
CUMMINS 3375024 THINWALL INSERT Original OEM part
CUMMINS
$22.68$20.72Cummins 3375024 - THINWALL INSERT MINS3375024 Discover the authentic quality of Cummins with the 3375024 - THINWALL INSERT, SKU MINS3375024. Engineered for precision, this product ensures optimal...$22.68$20.72 -
CUMMINS 3164961 THREADED INSERT Original OEM part
CUMMINS
$663.56$606.16Precision-engineered strength for dependable engine assembly Corrosion-resistant design enhances durability under extreme conditions Genuine OEM component crafted by Cummins for guaranteed...$663.56$606.16 -
CUMMINS 3164445 THREADED INSERT Original OEM part
CUMMINS
$152.24$139.07Engineered for excellence: precision threading for lasting durability Robust construction maximizes engine health and operational efficiency Designed and manufactured as an OEM Cummins component for...$152.24$139.07 -
CUMMINS 3163717 THREADED INSERT Original OEM part
CUMMINS
$148.05$135.24Engineered for Precision, Built for Endurance Robust Threaded Design to Ensure Secure Assembly Corrosion-Resistant Material for Long-Term Durability 100% Genuine Cummins OEM part guaranteed for...$148.05$135.24 -
CUMMINS 3163709 THREADED INSERT Original OEM part
CUMMINS
$102.29$93.45Unmatched Durability: Crafted to withstand demanding engine conditions and extend service life. Exact Fit & Compatibility: Engineered specifically for Cummins systems to guarantee seamless...$102.29$93.45 -
CUMMINS 3043650 PISTON INSERT Original OEM part
CUMMINS
$188.40$172.11Precision-engineered durability for lasting power Enhances engine efficiency and reduces wear 100% authentic OEM Cummins part for guaranteed compatibility CUMMINS 3043650 PISTON INSERT - Powering...$188.40$172.11 -
CUMMINS ST13231 VALVE INSERT REMOVER Original OEM part
CUMMINS
$1,161.05$1,060.62Cummins ST1323-1 - VALVE INSERT REMOVER MINSST1323-1 Discover the top-quality ST1323-1 - VALVE INSERT REMOVER by Cummins available at our store under the SKU MINSST1323-1. Designed for precise valve...$1,161.05$1,060.62 -
CUMMINS ST12791 VALVE INSERT REMOVER Original OEM part
CUMMINS
$1,759.75$1,607.53Cummins ST1279-1 - VALVE INSERT REMOVER MINSST1279-1 Discover the high-quality Cummins ST1279-1 Valve Insert Remover at our store, your ultimate destination for original replacement parts. Designed...$1,759.75$1,607.53 -
CUMMINS ST12761 VALVE INSERT REMOVER Original OEM part
CUMMINS
$1,140.53$1,041.87Cummins ST1276-1 - VALVE INSERT REMOVER MINSST1276-1 The ST1276-1 - VALVE INSERT REMOVER by Cummins, with SKU MINSST1276-1, is a precision tool perfect for efficiently removing valve inserts from...$1,140.53$1,041.87 -
CUMMINS 67184B THREADED INSERT Original OEM part
CUMMINS
$69.00$63.04Engineered for Excellence: Designed to provide secure and durable fastening in high-stress environments. Precision Fit: Guarantees seamless integration with your Cummins engine components for peak...$69.00$63.04 -
CUMMINS 5299447 INSERT REMOVER Original OEM part
CUMMINS
$449.74$410.84Cummins 5299447 - INSERT REMOVER MINS5299447 Unlock the potential of your outdoor equipment with the genuine Cummins 5299447 - INSERT REMOVER. Find precision and quality combined in this essential...$449.74$410.84 -
CUMMINS 5296529 CUTTER BIT INSERT Original OEM part
CUMMINS
$151.81$138.67Engineered for endurance, designed for excellence. Precision cutting performance ensures optimal engine operation. Exceptional material composition guarantees prolonged lifespan under demanding...$151.81$138.67 -
CUMMINS 4929128 THREADED INSERT Original OEM part
CUMMINS
$19.23$17.56Precision engineered for dependable power. Robust durability supporting long-term engine health. Seamless fitment ensures optimal system performance. Certified genuine OEM part from Cummins,...$19.23$17.56