Rectangular Ring Seals

Genuine Rectangular Ring Seals for Diesel Engines

Maintain peak performance and prevent leaks in your Onan, Cummins, or Fleetguard diesel engines with our premium Rectangular Ring Seals. Engineered for durability and precision, these seals provide an airtight fit essential for reliable engine operation.

Rectangular Ring Seals for Reliable Sealing | Onan, Cummins & Fleetguard Genuine Parts

Our collection of rectangular ring seals includes high-quality replacement seals designed specifically for diesel engine power systems. Featuring robust materials and exact specifications, these seals ensure long-lasting protection against oil and fluid leaks.

  • Durability & Precision: Crafted to withstand high pressure and temperature conditions in diesel engines.
  • Compatibility: Perfectly suited for Onan, Cummins, and Fleetguard engine models.
  • Enhanced Engine Efficiency: Prevents fluid contamination and maintains optimal engine performance.

Why Choose Our Rectangular Ring Seals? We offer genuine, expertly sourced parts with trusted quality, ensuring your diesel engines operate smoothly and efficiently with minimal downtime.

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  • CUMMINS 4945701 - SEAL RECTANGULAR RING - Image 1
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    CUMMINS 4945701 RECTANGULAR RING SEAL CUMMINS Genuine OEM Part

    CUMMINS

    $7.38
    $6.74
    Genuine CUMMINS OEM component engineered for precise fit and optimal compatibility. Effectively seals critical joints to prevent leaks, supporting engine efficiency and durability. Enhances overall...
    $7.38
    $6.74
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    $7.38
    $6.74
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  • CUMMINS 151900 - SEAL RECTANGULAR RING
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    CUMMINS 151900 RECTANGULAR RING SEAL CUMMINS Genuine OEM Part PACK OF 2

    CUMMINS

    $10.09
    $9.22
    Authentic CUMMINS OEM component designed to exact manufacturer specifications Provides a secure sealing solution to prevent leaks and maintain system efficiency Enhances engine health by supporting...
    $10.09
    $9.22
    Add to Cart
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    $10.09
    $9.22
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  • CUMMINS 3906697 - SEAL RECTANGULAR RING - Image 1
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    CUMMINS 3906697 RECTANGULAR RING SEAL Original OEM part PACK OF 2

    CUMMINS

    $13.59
    $12.42
    Precision engineered for peak performance and lasting reliability Essential sealing component to maintain engine integrity and prevent leaks Crafted by Cummins for guaranteed OEM compatibility and...
    $13.59
    $12.42
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    $13.59
    $12.42
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  • CUMMINS 3045534 - RECTANGULAR RING SEAL CUMMINS Genuine OEM Part PACK OF 3 - Original OEM part - Image 1
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    CUMMINS 3045534 RECTANGULAR RING SEAL CUMMINS Genuine OEM Part PACK OF 3

    CUMMINS

    $13.03
    $11.90
    Certified Genuine OEM Cummins Part for assured authenticity Engineered to provide superior sealing performance and prevent leaks Durably constructed to maintain engine integrity under demanding...
    $13.03
    $11.90
    Add to Cart
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    $13.03
    $11.90
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  • Cummins 4384356 Rectangular Ring Seal OEM
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    CUMMINS 4384356 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $15.19
    $13.88
    Engineered to maintain uncompromised sealing performance under demanding conditions Designed for durability to ensure extended service life and system reliability Genuine OEM component manufactured...
    $15.19
    $13.88
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    $15.19
    $13.88
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  • CUMMINS 173368 - SEAL RECTANGULAR RING - Original OEM part
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    CUMMINS 173368 RECTANGULAR RING SEAL Original OEM part PACK OF 2

    CUMMINS

    $29.76
    $27.19
    Cummins 173368 - RECTANGULAR RING SEAL MINS173368 When it comes to finding authentic replacement parts for your outdoor equipment, look no further than our store. Our high-quality Cummins 173368 -...
    $29.76
    $27.19
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    Qty in Cart: 0
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    $29.76
    $27.19
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  • CUMMINS 3862524 - SEAL RECTANGULAR RING
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    CUMMINS 3862524 RECTANGULAR RING SEAL CUMMINS Genuine OEM Part

    CUMMINS

    $24.64
    $22.51
    Original Cummins OEM part designed exclusively for Cummins engines Ensures airtight sealing to prevent leaks and maintain engine integrity Improves longevity and operational efficiency of your power...
    $24.64
    $22.51
    Add to Cart
    Qty in Cart: 0
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    $24.64
    $22.51
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  • CUMMINS 3925466 - SEAL RECTANGULAR RING - Image 1
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    CUMMINS 3925466 RECTANGULAR RING SEAL CUMMINS Genuine OEM Part PACK OF 4

    CUMMINS

    $32.50
    $29.69
    Certified Genuine CUMMINS OEM Part engineered for seamless integration Provides effective sealing to prevent leaks and protect engine components Enhances system durability under demanding operating...
    $32.50
    $29.69
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    Qty in Cart: 0
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    $32.50
    $29.69
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  • CUMMINS 3936876 - SEAL RECTANGULAR RING - Image 1
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    CUMMINS 3936876 RECTANGULAR RING SEAL Original OEM part PACK OF 2

    CUMMINS

    $15.29
    $13.97
    Performance integrity starts with precision sealing Durable rectangular ring seal engineered for long-lasting service Designed to maintain optimal compression and prevent leaks 100% genuine OEM...
    $15.29
    $13.97
    Add to Cart
    Qty in Cart: 0
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    $15.29
    $13.97
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  • CUMMINS 4962609 - RECTANGULAR RING SEAL - Original OEM part - Image 1
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    CUMMINS 4962609 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $32.56
    $29.74
    Engineered precision for flawless sealing Exceptional durability under demanding conditions Certified genuine OEM part guaranteeing perfect compatibility Trust CUMMINS 4962609 RECTANGULAR RING SEAL...
    $32.56
    $29.74
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $32.56
    $29.74
    Subtotal:
  • CUMMINS 3964189 - RECTANGULAR RING SEAL - Original OEM part - Image 1
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    CUMMINS 3964189 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $11.00
    $10.05
    Cummins 3964189 - RECTANGULAR RING SEAL MINS3964189 Find the original 3964189 - RECTANGULAR RING SEAL by Cummins at our store for guaranteed quality and compatibility. With fast shipping and the...
    $11.00
    $10.05
    Add to Cart
    Qty in Cart: 0
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    Price:
    $11.00
    $10.05
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  • CUMMINS 3935032 - SEAL RECTANGULAR RING - Image 1
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    CUMMINS 3935032 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $6.30
    $5.76
    Precision-engineered to maintain Cummins' uncompromising quality and durability standards. Designed to provide a perfect seal ensuring engine integrity and leak prevention under rigorous demands...
    $6.30
    $5.76
    Add to Cart
    Qty in Cart: 0
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    $6.30
    $5.76
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  • CUMMINS 3502449 - RECTANGULAR RING SEAL - Original OEM part - Image 1
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    CUMMINS 3502449 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $38.22
    $34.91
    Cummins 3502449 - RECTANGULAR RING SEAL MINS3502449 Find the original Cummins 3502449 - RECTANGULAR RING SEAL at our store, ensuring a perfect fit for your outdoor equipment. Our competitive pricing...
    $38.22
    $34.91
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $38.22
    $34.91
    Subtotal:
  • CUMMINS 5312372 - RECTANGULAR RING SEAL - Original OEM part - Image 1
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    CUMMINS 5312372 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $72.88
    $66.58
    Precision-engineered sealing for uncompromised engine integrity Robust rectangular ring design ensures optimal pressure containment and leak prevention Genuine OEM from Cummins guarantees perfect...
    $72.88
    $66.58
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $72.88
    $66.58
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  • CUMMINS 4944955 - RECTANGULAR RING SEAL - Original OEM part - Image 1
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    CUMMINS 4944955 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $6.29
    $5.75
    Precision sealing excellence crafted for Cummins engines Designed to maintain optimum compression and prevent leaks under demanding conditions Constructed with high-grade materials for extended...
    $6.29
    $5.75
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6.29
    $5.75
    Subtotal:
  • CUMMINS 3915772 - SEAL RECTANGULAR RING - Image 1
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    CUMMINS 3915772 RECTANGULAR RING SEAL Original OEM part PACK OF 2

    CUMMINS

    $22.96
    $20.97
    Cummins 3915772 - RECTANGULAR RING SEAL MINS3915772 Find the authentic Cummins 3915772 - RECTANGULAR RING SEAL at our store, SKU MINS3915772. Ease your outdoor equipment repair with this original...
    $22.96
    $20.97
    Add to Cart
    Qty in Cart: 0
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    $22.96
    $20.97
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  • CUMMINS 3914095 - SEAL RECTANGULAR RING - Original OEM part
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    CUMMINS 3914095 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $27.64
    $25.25
    Precision-engineered durability that guarantees a secure seal under demanding conditions Essential for maintaining engine efficiency and preventing leaks Certified OEM Cummins quality for guaranteed...
    $27.64
    $25.25
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $27.64
    $25.25
    Subtotal:
  • CUMMINS 3909356 - SEAL RECTANGULAR RING
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    CUMMINS 3909356 RECTANGULAR RING SEAL Original OEM part PACK OF 6

    CUMMINS

    $26.40
    $24.12
    Optimize your Cummins generator with precision-engineered OEM components designed for lasting dependability. Featuring a high-integrity rectangular seal that ensures leak-free operation under...
    $26.40
    $24.12
    Add to Cart
    Qty in Cart: 0
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    $26.40
    $24.12
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  • CUMMINS 3906696 - SEAL RECTANGULAR RING
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    CUMMINS 3906696 RECTANGULAR RING SEAL Original OEM part PACK OF 2

    CUMMINS

    $24.99
    $22.83
    Engineered for Precision and Durability: Designed to maintain airtight and fluid-tight sealing under demanding conditions. Enhanced System Efficiency: Helps prevent leaks that can compromise engine...
    $24.99
    $22.83
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24.99
    $22.83
    Subtotal:
  • CUMMINS 3906695 - SEAL RECTANGULAR RING-IMAGE1
    Add to Cart

    CUMMINS 3906695 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $10.90
    $9.96
    Precision sealing for dependable engine operation Exceptional resistance to wear, ensuring extended service life 100% genuine OEM component engineered by Cummins for flawless compatibility Seal...
    $10.90
    $9.96
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10.90
    $9.96
    Subtotal:
  • CUMMINS 3906694 - SEAL RECTANGULAR RING -IMAGE1
    Add to Cart

    CUMMINS 3906694 RECTANGULAR RING SEAL Original OEM part PACK OF 4

    CUMMINS

    $29.06
    $26.55
    Engineered Precision for Uncompromising Seal Integrity Durable material construction ensuring extended service life under demanding conditions 100% Genuine OEM Cummins part guaranteeing perfect...
    $29.06
    $26.55
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.06
    $26.55
    Subtotal:
  • CUMMINS 3903475 - SEAL RECTANGULAR RING - Image 1
    Add to Cart

    CUMMINS 3903475 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $8.98
    $8.21
    Engineered for Endurance, Designed for Dependability Precision-fit rectangular ring seal crafted to maintain system integrity under demanding conditions Durable construction delivers long-lasting...
    $8.98
    $8.21
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $8.98
    $8.21
    Subtotal:
  • CUMMINS 3902466 - RECTANGULAR RING SEAL - Original OEM part
    Add to Cart

    CUMMINS 3902466 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $25.28
    $23.10
    Precision-engineered sealing solution for superior engine protection Durability designed to maintain optimal compression and prevent leakage Guaranteed OEM quality assuring perfect fit and seamless...
    $25.28
    $23.10
    Add to Cart
    Qty in Cart: 0
    Quantity:
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    $25.28
    $23.10
    Subtotal:
  • CUMMINS 3892498 - RECTANGULAR RING SEAL Original OEM part PACK OF 6 - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3892498 RECTANGULAR RING SEAL Original OEM part PACK OF 6

    CUMMINS

    $64.14
    $58.59
    Precision-engineered sealing for uncompromised engine integrity Durable rectangular ring design enhances leak protection under demanding conditions Certified genuine OEM from Cummins for assured...
    $64.14
    $58.59
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $64.14
    $58.59
    Subtotal:
  • CUMMINS 3883510 - SEAL RECTANGULAR RING - Image 1
    Add to Cart

    CUMMINS 3883510 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $20.06
    $18.33
    Engineered to maintain uncompromising seal integrity for peak engine efficiency Precision-crafted from premium materials to withstand high stress and temperature cycles Certified Cummins OEM...
    $20.06
    $18.33
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $20.06
    $18.33
    Subtotal:
  • CUMMINS 3820946 - SEAL RECTANGULAR RING
    Add to Cart

    CUMMINS 3820946 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $17.70
    $16.17
    Precision engineered to seal with uncompromising reliability Designed to provide exceptional resistance against pressure and temperature fluctuations Manufactured as an original equipment...
    $17.70
    $16.17
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $17.70
    $16.17
    Subtotal:
  • CUMMINS 3820945 - SEAL RECTANGULAR RING
    Add to Cart

    CUMMINS 3820945 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $16.03
    $14.64
    Precision sealing for maximum engine efficiency Durable rectangular ring design engineered to withstand demanding conditions Manufactured as a genuine OEM part by Cummins to guarantee optimal...
    $16.03
    $14.64
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $16.03
    $14.64
    Subtotal:
  • CUMMINS 3819724 - RECTANGULAR RING SEAL Original OEM part PACK OF 2 - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3819724 RECTANGULAR RING SEAL Original OEM part PACK OF 2

    CUMMINS

    $24.86
    $22.71
    Precision engineered for seamless sealing and system efficiency Designed to endure harsh operating conditions ensuring lasting performance 100% Genuine Cummins OEM part guaranteeing perfect...
    $24.86
    $22.71
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24.86
    $22.71
    Subtotal:
  • CUMMINS 3627449 - RECTANGULAR RING SEAL - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3627449 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $106.33
    $97.13
    Engineered Precision for Reliable Sealing Durable construction ensures consistent performance under demanding conditions Genuine OEM part designed exclusively by Cummins for optimal fit and...
    $106.33
    $97.13
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $106.33
    $97.13
    Subtotal:
  • CUMMINS 3627381 - RECTANGULAR STRIP SEAL - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3627381 RECTANGULAR STRIP SEAL Original OEM part

    CUMMINS

    $206.25
    $188.41
    Engineered to uphold Cummins' legacy of unmatched durability and precision fit. Seals engine components effectively to prevent leaks and maintain system integrity. Manufactured from premium...
    $206.25
    $188.41
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $206.25
    $188.41
    Subtotal:
  • CUMMINS 3331834 - RECTANGULAR RING SEAL Original OEM part PACK OF 2 - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3331834 RECTANGULAR RING SEAL Original OEM part PACK OF 2

    CUMMINS

    $112.70
    $102.96
    Precision engineered for optimal sealing performance in every Cummins engine. Durable design resists heat, pressure, and wear to extend engine life. Genuine OEM Cummins component ensures perfect fit...
    $112.70
    $102.96
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $112.70
    $102.96
    Subtotal:
  • CUMMINS 3201659 - SEAL RECTANGULAR RING - Image 1
    Add to Cart

    CUMMINS 3201659 RECTANGULAR RING SEAL Original OEM part PACK OF 6

    CUMMINS

    $26.64
    $24.33
    Precision engineered for a perfect fit and dependable sealing. Enhances engine efficiency by preventing leaks and maintaining pressure. Manufactured as a genuine OEM Cummins part to guarantee...
    $26.64
    $24.33
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $26.64
    $24.33
    Subtotal:
  • CUMMINS 3089886 - RECTANGULAR RING SEAL - Original OEM part - Image 1
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    CUMMINS 3089886 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $125.32
    $114.48
    Engineered for enduring strength and unwavering reliability. Precisely crafted rectangular ring seal to maintain optimal engine integrity. Enhances sealing efficiency to prevent leaks and safeguard...
    $125.32
    $114.48
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $125.32
    $114.48
    Subtotal:
  • CUMMINS 3080770 - RECTANGULAR RING SEAL Original OEM part PACK OF 6 - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3080770 RECTANGULAR RING SEAL Original OEM part PACK OF 6

    CUMMINS

    $81.85
    $74.77
    Engineered for precision, built for performance. Designed to maintain an airtight seal for optimal engine efficiency. Durable rectangular ring shape resists wear under demanding conditions...
    $81.85
    $74.77
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $81.85
    $74.77
    Subtotal:
  • CUMMINS 3080769 - SEAL RECTANGULAR RING
    Add to Cart

    CUMMINS 3080769 RECTANGULAR RING SEAL Original OEM part PACK OF 2

    CUMMINS

    $27.86
    $25.45
    Engineered for Precision and Durability: The CUMMINS 3080769 RECTANGULAR RING SEAL provides a reliable seal optimized for long-lasting engine health. Essential for Maintaining Engine Integrity:...
    $27.86
    $25.45
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $27.86
    $25.45
    Subtotal:
  • CUMMINS 3072375 - SEAL RECTANGULAR RING - Image 1
    Add to Cart

    CUMMINS 3072375 RECTANGULAR RING SEAL Original OEM part PACK OF 4

    CUMMINS

    $17.62
    $16.09
    Precision engineered for flawless sealing in Cummins power systems Durable rectangular ring seal designed to withstand high temperatures and pressures 100% genuine OEM part ensuring full...
    $17.62
    $16.09
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $17.62
    $16.09
    Subtotal:
  • CUMMINS 3063618 - SEAL RECTANGULAR RING - Original OEM part
    Add to Cart

    CUMMINS 3063618 RECTANGULAR RING SEAL Original OEM part PACK OF 2

    CUMMINS

    $34.64
    $31.64
    Precision-engineered for uncompromised sealing performance Durable material construction ensuring long-term reliability 100% Genuine OEM part for perfect fit and system compatibility Elevate Your...
    $34.64
    $31.64
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $34.64
    $31.64
    Subtotal:
  • CUMMINS 3044795 - SEAL RECTANGULAR RING-IMAGE1
    Add to Cart

    CUMMINS 3044795 RECTANGULAR RING SEAL Original OEM part

    CUMMINS

    $31.33
    $28.62
    Seal your engine's excellence with precision-crafted components Ensures optimal sealing to maintain engine efficiency under demanding conditions Durable design withstands wear, heat, and pressure...
    $31.33
    $28.62
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $31.33
    $28.62
    Subtotal:
  • CUMMINS 3034986 - SEAL RECTANGULAR RING
    Add to Cart

    CUMMINS 3034986 RECTANGULAR RING SEAL Original OEM part PACK OF 2

    CUMMINS

    $23.54
    $21.50
    Engineered for precision and durability to enhance your generator system's efficiency. Exceptional sealing technology supports long-lasting engine health under demanding conditions. 100% Genuine OEM...
    $23.54
    $21.50
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $23.54
    $21.50
    Subtotal:
  • CUMMINS 3014304 - RECTANGULAR RING SEAL Original OEM part PACK OF 4 - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3014304 RECTANGULAR RING SEAL Original OEM part PACK OF 4

    CUMMINS

    $50.00
    $45.68
    Precision in Every Seal, Power in Every Part Engineered for Superior Sealing Performance: Maintains optimal pressure and prevents leaks under high-stress conditions. Durability That Lasts: Crafted...
    $50.00
    $45.68
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $50.00
    $45.68
    Subtotal:
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