Adapters

Genuine Diesel Engines Adapters for Onan, Cummins, and Fleetguard

Discover our premium range of adapters crafted specifically for diesel power engines by trusted brands Onan, Cummins, and Fleetguard. These genuine adapters ensure perfect fitment and enhanced connectivity between engine components, promoting efficient power transmission and longevity.

Adapters for Reliable and Efficient Diesel Engine Performance

Our collection features various adapter types, including coupling adapters, flange adapters, and connector adapters, all engineered to meet rigorous industry standards. Each adapter offers exceptional durability, corrosion resistance, and precision engineering to maintain seamless integration within your diesel engine system.

  • Authentic Quality: Genuine parts directly from Onan, Cummins, and Fleetguard for assured compatibility and performance.
  • Wide Compatibility: Designed to fit a broad range of diesel power engines, ensuring easy installation and optimal operation.
  • Enhanced Durability: Manufactured with high-grade materials to withstand harsh engine environments and extend service life.

Why Choose Our Adapters? We provide expertly sourced, genuine adapters that guarantee superior fit, durability, and performance—backed by trusted brands to keep your diesel engines running at peak efficiency.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • CUMMINS 3866570 - MALE ADAPTER ELBOW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3866570 MALE ADAPTER ELBOW Original OEM part

    CUMMINS

    $237.54
    $216.99
    Built to perform and engineered to last – Your trusted Cummins replacement partner Precision-crafted male adapter elbow ensures optimal fluid flow and leak-free operation. Durable material...
    $237.54
    $216.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $237.54
    $216.99
    Subtotal:
  • CUMMINS 3866217 - MALE ADAPTER ELBOW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3866217 MALE ADAPTER ELBOW Original OEM part

    CUMMINS

    $195.30
    $178.41
    Engineered Precision for Enduring Performance Seamless Integration With Cummins Systems Durability Under Extreme Operating Conditions Genuine OEM Part from Cummins Ensuring Compatibility and...
    $195.30
    $178.41
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $195.30
    $178.41
    Subtotal:
  • CUMMINS 3866195 - MALE ADAPTER ELBOW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3866195 MALE ADAPTER ELBOW Original OEM part

    CUMMINS

    $122.42
    $111.83
    Engineered for Endurance, Designed for Dependability Precision-Machined to Ensure Seamless Fitment Corrosion-Resistant Finish to Withstand Harsh Environments Certified OEM Cummins Component for...
    $122.42
    $111.83
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $122.42
    $111.83
    Subtotal:
  • CUMMINS 3866090 - PLAIN ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3866090 PLAIN ADAPTER Original OEM part

    CUMMINS

    $92.06
    $84.10
    Cummins 3866090 - PLAIN ADAPTER MINS3866090 When it comes to finding original replacement parts like the 3866090 - PLAIN ADAPTER by Cummins, our store is your ultimate solution. We pride ourselves...
    $92.06
    $84.10
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $92.06
    $84.10
    Subtotal:
  • CUMMINS 3864170 - MALE ADAPTER ELBOW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3864170 MALE ADAPTER ELBOW Original OEM part

    CUMMINS

    $96.48
    $88.14
    Engineered for seamless integration and precision fitment to your Cummins power system Designed to enhance fluid flow and connection reliability under rigorous operating conditions Crafted...
    $96.48
    $88.14
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $96.48
    $88.14
    Subtotal:
  • CUMMINS 3863948 - MALE ADAPTER ELBOW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3863948 MALE ADAPTER ELBOW Original OEM part

    CUMMINS

    $127.05
    $116.06
    Engineered for Reliability, Designed for Excellence Seamlessly connects critical engine components with precision-crafted elbow design Durable construction ensures long-lasting resistance to wear,...
    $127.05
    $116.06
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $127.05
    $116.06
    Subtotal:
  • FLEETGUARD 3836948-S - 3836948S WATER SEPARATOR AND INLET ADAPTER FOR ECOII Original FLEETGUARD OEM part - Original OEM part - Image 1
    Add to Cart

    FLEETGUARD 3836948S WATER SEPARATOR AND INLET ADAPTER FOR ECOII Original FLEETGUARD OEM part

    FLEETGUARD

    $688.88
    $629.29
    Fleetguard 3836948-S - WATER SEPARATOR AND INLET ADAPTER FOR ECOII FLG3836948-S Offering top-quality parts is non-negotiable for us. The Fleetguard 3836948-S Water Separator and Inlet Adapter for...
    $688.88
    $629.29
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $688.88
    $629.29
    Subtotal:
  • CUMMINS 3824875 - TESTER ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3824875 TESTER ADAPTER Original OEM part

    CUMMINS

    $1,324.26
    $1,209.71
    Engineered for seamless compatibility and trustworthy diagnostics Designed to deliver precise data for accurate engine health assessments Manufactured as a genuine Cummins OEM component for...
    $1,324.26
    $1,209.71
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,324.26
    $1,209.71
    Subtotal:
  • CUMMINS 3824425 - INSTALLER ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3824425 INSTALLER ADAPTER Original OEM part

    CUMMINS

    $1,830.85
    $1,672.48
    Cummins 3824425 - INSTALLER ADAPTER MINS3824425 Discover the authentic 3824425 - INSTALLER ADAPTER by Cummins, SKU MINS3824425, a vital component for your outdoor equipment. Ensure precise fitting...
    $1,830.85
    $1,672.48
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,830.85
    $1,672.48
    Subtotal:
  • CUMMINS 3824314 - RADIATOR CAP ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3824314 RADIATOR CAP ADAPTER Original OEM part

    CUMMINS

    $1,729.20
    $1,579.63
    Precision-engineered for uncompromising reliability Ensures seamless engine operation under demanding conditions Manufactured to meet Cummins’ stringent quality standards 100% OEM-certified for...
    $1,729.20
    $1,579.63
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,729.20
    $1,579.63
    Subtotal:
  • CUMMINS 3824252 - MODEM ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3824252 MODEM ADAPTER Original OEM part

    CUMMINS

    $32.59
    $29.77
    Engineered for seamless integration within your Cummins system Ensures reliable communication between engine control modules and monitoring devices Durable design for long-term service in...
    $32.59
    $29.77
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $32.59
    $29.77
    Subtotal:
  • CUMMINS 3823765 - PULLEY INSTALLATION ADAPTER KIT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3823765 PULLEY INSTALLATION ADAPTER KIT Original OEM part

    CUMMINS

    $2,452.37
    $2,240.24
    Cummins 3823765 - PULLEY INSTALLATION ADAPTER KIT MINS3823765 Unlock the ultimate convenience in pulley installation with the Cummins 3823765 - PULLEY INSTALLATION ADAPTER KIT (SKU: MINS3823765)...
    $2,452.37
    $2,240.24
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,452.37
    $2,240.24
    Subtotal:
  • CUMMINS 3823752 - TOP STOP SETTING ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3823752 TOP STOP SETTING ADAPTER Original OEM part

    CUMMINS

    $383.35
    $350.19
    Precision engineered for seamless performance integration. Ensures accurate top stop setting to maintain engine durability. Manufactured by Cummins for guaranteed compatibility and reliability...
    $383.35
    $350.19
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $383.35
    $350.19
    Subtotal:
  • CUMMINS 3823640 - MOUNTING ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3823640 MOUNTING ADAPTER Original OEM part

    CUMMINS

    $744.53
    $680.13
    Engineered Precision for Peak Power Robust design optimized for secure mounting and stability Durable construction that withstands demanding operating conditions 100% genuine OEM part from Cummins...
    $744.53
    $680.13
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $744.53
    $680.13
    Subtotal:
  • CUMMINS 3823498 - GAUGE MOUNTING ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3823498 GAUGE MOUNTING ADAPTER Original OEM part

    CUMMINS

    $202.75
    $185.21
    Precision-engineered for flawless integration within your Cummins power system Robust construction ensuring dependable, long-term gauge stability and accuracy Essential component designed...
    $202.75
    $185.21
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $202.75
    $185.21
    Subtotal:
  • CUMMINS 3822727 - INJECTOR ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3822727 INJECTOR ADAPTER Original OEM part

    CUMMINS

    $719.15
    $656.94
    Engineered for precise fit and durability to maintain your Cummins powertrain's integrity Enhances fuel delivery efficiency while supporting emissions control and engine health Manufactured...
    $719.15
    $656.94
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $719.15
    $656.94
    Subtotal:
  • CUMMINS 3820512 - CRANKSHAFT ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3820512 CRANKSHAFT ADAPTER Original OEM part

    CUMMINS

    $987.36
    $901.95
    Precision engineered for seamless power integration Durable construction designed to withstand demanding engine conditions Essential for maintaining crankshaft alignment and system longevity 100%...
    $987.36
    $901.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $987.36
    $901.95
    Subtotal:
  • CUMMINS 3819721 - MALE ADAPTER ELBOW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3819721 MALE ADAPTER ELBOW Original OEM part

    CUMMINS

    $54.33
    $49.63
    Engineered Excellence for Unmatched Reliability Precision-fit male adapter elbow designed to withstand rigorous power system demands Crafted from high-grade materials to enhance sealing integrity...
    $54.33
    $49.63
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $54.33
    $49.63
    Subtotal:
  • CUMMINS 3819618 - REDUCING PIPE ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3819618 REDUCING PIPE ADAPTER Original OEM part

    CUMMINS

    $50.03
    $45.70
    Precision engineered for seamless integration in your Cummins system Enhances fuel efficiency and system longevity by maintaining optimal flow Durable construction designed to withstand demanding...
    $50.03
    $45.70
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $50.03
    $45.70
    Subtotal:
  • CUMMINS 3818150 - PLAIN ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3818150 PLAIN ADAPTER Original OEM part

    CUMMINS

    $179.76
    $164.21
    Engineered Precision for Unmatched Compatibility Designed to optimize connection integrity and reduce wear Durable construction ensures long service life under demanding conditions 100% Genuine OEM...
    $179.76
    $164.21
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $179.76
    $164.21
    Subtotal:
  • CUMMINS 3815283 - PLAIN ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3815283 PLAIN ADAPTER Original OEM part

    CUMMINS

    $45.45
    $41.52
    Precision engineered for seamless integration and uncompromised performance. Robust construction designed to withstand demanding operational environments. Optimizes connection stability and system...
    $45.45
    $41.52
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $45.45
    $41.52
    Subtotal:
  • CUMMINS 3804658 - FILTER HEAD ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3804658 FILTER HEAD ADAPTER Original OEM part

    CUMMINS

    $1,229.54
    $1,123.18
    Engineered Precision for Reliable Filtration Integration Durable construction to withstand harsh operating conditions Guaranteed OEM quality ensuring seamless compatibility with Cummins...
    $1,229.54
    $1,123.18
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,229.54
    $1,123.18
    Subtotal:
  • CUMMINS 3697856 - REDUCING ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3697856 REDUCING ADAPTER Original OEM part

    CUMMINS

    $23.48
    $21.45
    Precision engineered for seamless integration in your Cummins power system Ensures optimal flow and connection for enhanced engine efficiency Manufactured to meet strict Cummins OEM standards for...
    $23.48
    $21.45
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $23.48
    $21.45
    Subtotal:
  • CUMMINS 3697814 - FILTER HEAD ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3697814 FILTER HEAD ADAPTER Original OEM part

    CUMMINS

    $261.63
    $239.00
    Engineered precision meets uncompromising quality in every Cummins component Robust construction designed to enhance filtration efficiency and system integrity Reliable fitment ensures seamless...
    $261.63
    $239.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $261.63
    $239.00
    Subtotal:
  • CUMMINS 3696996 - ADAPTER CONNECTION - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3696996 ADAPTER CONNECTION Original OEM part

    CUMMINS

    $10.88
    $9.94
    Precision-engineered to deliver seamless integration and reliable connectivity in your Cummins power system Crafted from premium materials to withstand harsh operating conditions and extend service...
    $10.88
    $9.94
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10.88
    $9.94
    Subtotal:
  • CUMMINS 3696973 - PLAIN ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3696973 PLAIN ADAPTER Original OEM part

    CUMMINS

    $15.69
    $14.34
    Engineered to integrate flawlessly with your Cummins system for unmatched reliability Constructed with premium materials to endure demanding operational conditions Guaranteed original OEM part...
    $15.69
    $14.34
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $15.69
    $14.34
    Subtotal:
  • CUMMINS 3695948 - ADAPTER CONNECTION - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3695948 ADAPTER CONNECTION Original OEM part

    CUMMINS

    $49.47
    $45.19
    Precision engineered for flawless integration and lasting durability Robust connection adapter that guarantees stable power system performance Enhances operational efficiency with unmatched OEM...
    $49.47
    $45.19
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $49.47
    $45.19
    Subtotal:
  • CUMMINS 3695820 - ADAPTER CONNECTION - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3695820 ADAPTER CONNECTION Original OEM part

    CUMMINS

    $58.60
    $53.54
    Engineered precision for unmatched compatibility and performance Durable construction designed to withstand demanding power system conditions Genuine Cummins OEM part ensuring full warranty...
    $58.60
    $53.54
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $58.60
    $53.54
    Subtotal:
  • CUMMINS 3693621 - PLAIN ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3693621 PLAIN ADAPTER Original OEM part

    CUMMINS

    $20.96
    $19.15
    Precision Crafted for Peak Performance: Designed to integrate flawlessly with your Cummins system, ensuring dependable function under all operating conditions. Robust Durability for Long-Term Use:...
    $20.96
    $19.15
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $20.96
    $19.15
    Subtotal:
  • CUMMINS 3692613 - REDUCING ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3692613 REDUCING ADAPTER Original OEM part

    CUMMINS

    $36.20
    $33.07
    Cummins 3692613 - REDUCING ADAPTER MINS3692613 Discover the Cummins 3692613 REDUCING ADAPTER, designed to seamlessly fit your outdoor equipment. Our store is the ultimate destination for original...
    $36.20
    $33.07
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $36.20
    $33.07
    Subtotal:
  • CUMMINS 3691456 - AIR INLET ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3691456 AIR INLET ADAPTER Original OEM part

    CUMMINS

    $137.15
    $125.29
    Engineered for excellence: Precision-crafted to meet Cummins standards for seamless air flow. Durability you can trust: Built to withstand harsh operating environments and extend engine life...
    $137.15
    $125.29
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $137.15
    $125.29
    Subtotal:
  • CUMMINS 3691454 - AIR INLET ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3691454 AIR INLET ADAPTER Original OEM part

    CUMMINS

    $127.70
    $116.66
    Precision-engineered airflow solutions for uncompromised power Seamless integration ensures optimal engine breathing and efficiency Durable construction designed for the rigorous demands of Cummins...
    $127.70
    $116.66
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $127.70
    $116.66
    Subtotal:
  • CUMMINS 3689127 - EXHAUST OUTLET ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3689127 EXHAUST OUTLET ADAPTER Original OEM part

    CUMMINS

    $509.26
    $465.21
    Precision-engineered to maintain optimal exhaust flow and reduce backpressure Constructed from durable materials to withstand harsh engine environments Certified genuine OEM Cummins part ensuring...
    $509.26
    $465.21
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $509.26
    $465.21
    Subtotal:
  • CUMMINS 3688845 - ADAPTER CONNECTION - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3688845 ADAPTER CONNECTION Original OEM part

    CUMMINS

    $45.94
    $41.97
    Engineered for seamless integration and peak performance Durable construction to withstand demanding conditions Guaranteed OEM quality by Cummins, ensuring optimal compatibility Essential component...
    $45.94
    $41.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $45.94
    $41.97
    Subtotal:
  • CUMMINS 3688296 - AIR INLET ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3688296 AIR INLET ADAPTER Original OEM part

    CUMMINS

    $206.59
    $188.72
    Precision-engineered to enhance airflow efficiency Durable design for long-lasting performance under demanding conditions Certified genuine OEM CUMMINS component for guaranteed fit and...
    $206.59
    $188.72
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $206.59
    $188.72
    Subtotal:
  • CUMMINS 3688121 - FILTER HEAD ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3688121 FILTER HEAD ADAPTER Original OEM part

    CUMMINS

    $1,947.74
    $1,779.26
    Engineered Precision, Enduring Trust Robust construction designed to ensure reliable filtration system integration Enhances engine protection by providing secure and leak-free filter mounting 100%...
    $1,947.74
    $1,779.26
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,947.74
    $1,779.26
    Subtotal:
  • CUMMINS 3686901 - SENSOR ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3686901 SENSOR ADAPTER Original OEM part

    CUMMINS

    $215.09
    $196.49
    Experience engineered precision with every CUMMINS sensor connection Robust design assures optimum signal transmission under extreme conditions Durability that matches Cummins' trusted power...
    $215.09
    $196.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $215.09
    $196.49
    Subtotal:
  • CUMMINS 3686740 - REDUCING ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3686740 REDUCING ADAPTER Original OEM part

    CUMMINS

    $43.06
    $39.34
    Cummins 3686740 - REDUCING ADAPTER MINS3686740 Discover the perfect fit for your outdoor equipment with the 3686740 - REDUCING ADAPTER by Cummins. Crafted with precision and durability, this...
    $43.06
    $39.34
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $43.06
    $39.34
    Subtotal:
  • CUMMINS 3686698 - AIR INLET ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3686698 AIR INLET ADAPTER Original OEM part

    CUMMINS

    $406.40
    $371.25
    Precision engineered for maximum airflow efficiency Durable construction to withstand demanding engine conditions Certified genuine OEM Cummins component for guaranteed compatibility and...
    $406.40
    $371.25
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $406.40
    $371.25
    Subtotal:
  • CUMMINS 3686696 - AIR INLET ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3686696 AIR INLET ADAPTER Original OEM part

    CUMMINS

    $558.83
    $510.49
    Engineered for Excellence: Seamlessly integrate superior airflow into your Cummins engine with precision-crafted design. Durability That Performs: Crafted from premium materials to withstand...
    $558.83
    $510.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $558.83
    $510.49
    Subtotal:
  • Total: items /

Adding your products to cart