Rings

Genuine Rings for Diesel Engines – Onan, Cummins & Fleetguard

Maintain peak engine efficiency with our authentic Rings, specially crafted for Onan, Cummins, and Fleetguard diesel engines. These essential components ensure proper sealing and compression, enhancing engine performance and longevity.

Rings for Reliable Engine Sealing and Performance | Genuine Diesel Engine Parts

Our Rings category offers piston rings, compression rings, and sealing rings, all engineered to meet stringent quality standards. Designed to fit precisely, these rings help prevent leaks, reduce wear, and improve fuel efficiency.

  • High Compatibility: Specifically tailored for Onan, Cummins, and Fleetguard power engines.
  • Durable Materials: Crafted from premium alloys to withstand high temperatures and pressures.
  • Enhanced Engine Life: Maintains optimal compression and reduces oil consumption.

Experience peace of mind with our genuine Rings, ensuring trusted performance and seamless installation for your diesel engine maintenance needs.

Why Choose Our Rings?

We offer expertly sourced, genuine Rings that guarantee quality, durability, and compatibility—keeping your diesel engines running efficiently and reliably every time.

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  • FLEETGUARD 3945061-S - 3945061S PACK ORING Original FLEETGUARD OEM part - Original OEM part - Image 1
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    FLEETGUARD 3945061S PACK ORING Original FLEETGUARD OEM part

    FLEETGUARD

    $79.17
    $72.32
    Fleetguard 3945061-S - PACK O-RING FLG3945061-S Finding the right replacement parts for your outdoor equipment is essential to ensure optimal performance. The Fleetguard 3945061-S - PACK O-RING is a...
    $79.17
    $72.32
    Add to Cart
    Qty in Cart: 0
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    Price:
    $79.17
    $72.32
    Subtotal:
  • FLEETGUARD 3944442-S - 3944442S PACK ORING Original FLEETGUARD OEM part - Original OEM part - Image 1
    Add to Cart

    FLEETGUARD 3944442S PACK ORING Original FLEETGUARD OEM part

    FLEETGUARD

    $80.64
    $73.66
    Fleetguard 3944442-S - PACK O-RING FLG3944442-S Make the smart choice by choosing Fleetguard's original 3944442-S - PACK O-RING, now available at our online store. Our store offers the best prices...
    $80.64
    $73.66
    Add to Cart
    Qty in Cart: 0
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    Price:
    $80.64
    $73.66
    Subtotal:
  • CUMMINS 3939375 - RETAINING RING - Original OEM part - Image 1
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    CUMMINS 3939375 RETAINING RING Original OEM part

    CUMMINS

    $4.92
    $4.49
    Precision-engineered retention for enduring power Robust design optimized for secure engine assembly Manufactured as an authentic OEM component by Cummins to guarantee seamless...
    $4.92
    $4.49
    Add to Cart
    Qty in Cart: 0
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    $4.92
    $4.49
    Subtotal:
  • CUMMINS 3938199 - PISTON RING SET - Original OEM part - Image 1
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    CUMMINS 3938199 PISTON RING SET Original OEM part

    CUMMINS

    $159.34
    $145.56
    Cummins 3938199 - PISTON RING SET MINS3938199 Discover the genuine quality of the 3938199 - PISTON RING SET by Cummins. Our store stands out as the perfect destination for acquiring original...
    $159.34
    $145.56
    Add to Cart
    Qty in Cart: 0
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    Price:
    $159.34
    $145.56
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  • CUMMINS 3938197 - PISTON RING SET - Original OEM part - Image 1
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    CUMMINS 3938197 PISTON RING SET Original OEM part

    CUMMINS

    $183.63
    $167.74
    Unmatched precision and durability, engineered for performance. Exceptional sealing capabilities to maintain engine compression and reduce oil consumption. Designed to optimize combustion efficiency...
    $183.63
    $167.74
    Add to Cart
    Qty in Cart: 0
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    Price:
    $183.63
    $167.74
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  • CUMMINS 3938177 - PISTON RING SET - Original OEM part - Image 1
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    CUMMINS 3938177 PISTON RING SET Original OEM part

    CUMMINS

    $195.82
    $178.88
    Cummins 3938177 - PISTON RING SET MINS3938177 Experience top-notch quality and perfect fit with the 3938177 - PISTON RING SET by Cummins. Guaranteed authentic OEM part, SKU MINS3938177, ensuring...
    $195.82
    $178.88
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $195.82
    $178.88
    Subtotal:
  • CUMMINS 3937431 - COMPRESSION PISTON RING - Original OEM part - Image 1
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    CUMMINS 3937431 COMPRESSION PISTON RING Original OEM part

    CUMMINS

    $46.79
    $42.75
    Precision engineered for uncompromising engine performance and durability Enhances combustion efficiency and reduces oil consumption Manufactured to strict Cummins OEM standards for perfect fit and...
    $46.79
    $42.75
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $46.79
    $42.75
    Subtotal:
  • CUMMINS 3937430 - COMPRESSION PISTON RING - Original OEM part - Image 1
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    CUMMINS 3937430 COMPRESSION PISTON RING Original OEM part

    CUMMINS

    $40.72
    $37.19
    Unleash the power of precision engineering in your Cummins engine High-grade compression piston ring designed for optimal sealing and durability Enhances engine efficiency while reducing emissions...
    $40.72
    $37.19
    Add to Cart
    Qty in Cart: 0
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    Price:
    $40.72
    $37.19
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  • CUMMINS 3929926 - RETAINING RING - Original OEM part
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    CUMMINS 3929926 RETAINING RING Original OEM part

    CUMMINS

    $11.18
    $10.22
    Dependable retention for seamless engine operation Crafted for durability under demanding conditions Certified OEM part ensuring perfect compatibility Manufactured by Cummins to uphold...
    $11.18
    $10.22
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11.18
    $10.22
    Subtotal:
  • CUMMINS 3923883 - CLAMPING RING - Original OEM part
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    CUMMINS 3923883 CLAMPING RING Original OEM part

    CUMMINS

    $681.67
    $622.71
    Cummins 3923883 - CLAMPING RING MINS3923883 Discover the authentic 3923883 - Clamping Ring by Cummins, SKU MINS3923883, at our store. Our commitment to providing genuine replacement parts sets us...
    $681.67
    $622.71
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $681.67
    $622.71
    Subtotal:
  • CUMMINS 3923049 - CLAMPING RING - Original OEM part - Image 1
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    CUMMINS 3923049 CLAMPING RING Original OEM part

    CUMMINS

    $71.42
    $65.24
    Engineered for precision, built to last – uncompromising quality for your Cummins power system. Robust clamping mechanism designed to secure critical assemblies reliably under demanding conditions...
    $71.42
    $65.24
    Add to Cart
    Qty in Cart: 0
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    Price:
    $71.42
    $65.24
    Subtotal:
  • CUMMINS 3921246 - FLYWHEEL RING GEAR - Original OEM part - Image 1
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    CUMMINS 3921246 FLYWHEEL RING GEAR Original OEM part

    CUMMINS

    $353.80
    $323.20
    Precision engineered to empower your engine’s heartbeat High-grade steel construction ensures exceptional durability under extreme conditions Designed for perfect compatibility and optimal...
    $353.80
    $323.20
    Add to Cart
    Qty in Cart: 0
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    $353.80
    $323.20
    Subtotal:
  • CUMMINS 3920691 - RING RETAINING
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    CUMMINS 3920691 RETAINING RING Original OEM part

    CUMMINS

    $5.19
    $4.75
    Engineered for precision, built to last—your Cummins system deserves the best. Durable design ensures optimal retention under high-stress engine conditions. Exact OEM specification guarantees...
    $5.19
    $4.75
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.19
    $4.75
    Subtotal:
  • CUMMINS 3911678 - RING DOWEL - Original OEM part - Image 1
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    CUMMINS 3911678 RING DOWEL Original OEM part

    CUMMINS

    $24.30
    $22.20
    Precision engineered to maintain the steadfast reliability that Cummins power systems demand. Ensures perfect alignment and secure assembly within your engine components for optimal functionality...
    $24.30
    $22.20
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24.30
    $22.20
    Subtotal:
  • CUMMINS 3910903 - GEAR FLYWHEEL RING - Original OEM part
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    CUMMINS 3910903 FLYWHEEL RING GEAR Original OEM part

    CUMMINS

    $346.69
    $316.71
    Cummins 3910903 - FLYWHEEL RING GEAR MINS3910903 Discover the genuine Cummins 3910903 - FLYWHEEL RING GEAR, essential for efficient outdoor equipment performance. Our store stands out for offering...
    $346.69
    $316.71
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $346.69
    $316.71
    Subtotal:
  • CUMMINS 3908546 - GEAR FLYWHEEL RING -IMAGE1
    Add to Cart

    CUMMINS 3908546 FLYWHEEL RING GEAR Original OEM part

    CUMMINS

    $338.32
    $309.05
    Engineered excellence: Crafted to meet exact Cummins specifications ensuring perfect compatibility and durability. Precision design: Optimizes power transfer for smooth engine start-up and sustained...
    $338.32
    $309.05
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $338.32
    $309.05
    Subtotal:
  • CUMMINS 3908337 - CLAMPING RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3908337 CLAMPING RING Original OEM part

    CUMMINS

    $303.76
    $277.49
    Precision in Power: Engineered for seamless integration and enduring strength. Robust Clamping Force: Ensures optimal sealing and stability under demanding conditions. Corrosion-Resistant Finish:...
    $303.76
    $277.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $303.76
    $277.49
    Subtotal:
  • CUMMINS 3905909 - FLYWHEEL RING GEAR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3905909 FLYWHEEL RING GEAR Original OEM part

    CUMMINS

    $354.53
    $323.86
    Engineered precision for uncompromised power transfer Durable design ensures extended operational life under demanding conditions Certified as an OEM component directly from Cummins for assured...
    $354.53
    $323.86
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $354.53
    $323.86
    Subtotal:
  • CUMMINS 3905427 - GEAR FLYWHEEL RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3905427 FLYWHEEL RING GEAR Original OEM part

    CUMMINS

    $362.90
    $331.51
    Precision engineered for seamless engine engagement and torque transfer. Crafted from premium materials to enhance durability under demanding conditions. Guaranteed genuine OEM part ensuring perfect...
    $362.90
    $331.51
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $362.90
    $331.51
    Subtotal:
  • CUMMINS 3905031 - FLYWHEEL RING GEAR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3905031 FLYWHEEL RING GEAR Original OEM part

    CUMMINS

    $367.72
    $335.91
    Precision-engineered to uphold Cummins reliability and power endurance Crafted from premium materials to ensure long-lasting durability under demanding engine conditions Essential for smooth...
    $367.72
    $335.91
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $367.72
    $335.91
    Subtotal:
  • CUMMINS 3903309 - GEAR FLYWHEEL RING - Original OEM part
    Add to Cart

    CUMMINS 3903309 FLYWHEEL RING GEAR Original OEM part

    CUMMINS

    $316.13
    $288.78
    Precision engineered to uphold Cummins’ legacy of reliability and robust power Durable ring gear crafted to deliver smooth starter engagement and optimal engine function Manufactured as a genuine...
    $316.13
    $288.78
    Add to Cart
    Qty in Cart: 0
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    Price:
    $316.13
    $288.78
    Subtotal:
  • CUMMINS 3902343 - DOWEL RING - Image 1
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    CUMMINS 3902343 RING DOWEL Original OEM part

    CUMMINS

    $26.22
    $23.95
    Crafted for precision, engineered for enduring strength. Exact fit ensures optimal engine alignment and stability. Manufactured from premium materials for superior durability. 100% genuine OEM...
    $26.22
    $23.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $26.22
    $23.95
    Subtotal:
  • CUMMINS 3901774 - GEAR FLYWHEEL RING - Original OEM part
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    CUMMINS 3901774 FLYWHEEL RING GEAR Original OEM part

    CUMMINS

    $340.75
    $311.28
    Cummins 3901774 - FLYWHEEL RING GEAR MINS3901774 Experience superior performance and durability with the original "3901774 - FLYWHEEL RING GEAR" by Cummins, available at our store under the product...
    $340.75
    $311.28
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $340.75
    $311.28
    Subtotal:
  • CUMMINS 3899413 - COMPRESSION PISTON RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3899413 COMPRESSION PISTON RING Original OEM part

    CUMMINS

    $84.56
    $77.25
    Cummins 3899413 - COMPRESSION PISTON RING MINS3899413 When it comes to finding high-quality replacement parts for outdoor equipment, look no further than our store. The 3899413 - Compression Piston...
    $84.56
    $77.25
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $84.56
    $77.25
    Subtotal:
  • CUMMINS 3895070 - CLAMPING RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3895070 CLAMPING RING Original OEM part

    CUMMINS

    $50.40
    $46.05
    Precision-crafted tough performance for every demanding application Engineered for exact compatibility with Cummins power systems Durable materials withstand harsh conditions to protect critical...
    $50.40
    $46.05
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $50.40
    $46.05
    Subtotal:
  • CUMMINS 3895069 - CLAMPING RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3895069 CLAMPING RING Original OEM part

    CUMMINS

    $155.42
    $141.97
    Engineered to uphold the legacy of Cummins precision and durability. Robust clamping force for secure engine component alignment. Exceptional resistance against wear and environmental factors. 100%...
    $155.42
    $141.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $155.42
    $141.97
    Subtotal:
  • CUMMINS 3893754 - OIL PISTON RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3893754 OIL PISTON RING Original OEM part

    CUMMINS

    $84.56
    $77.25
    Engineered for endurance and precision Optimizes lubrication and reduces oil consumption Crafted as a genuine OEM Cummins component to ensure perfect fit and reliability Trust in Every Turn with...
    $84.56
    $77.25
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $84.56
    $77.25
    Subtotal:
  • CUMMINS 3893752 - COMPRESSION PISTON RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3893752 COMPRESSION PISTON RING Original OEM part

    CUMMINS

    $84.56
    $77.25
    Cummins 3893752 - COMPRESSION PISTON RING MINS3893752 Our store takes pride in offering the genuine 3893752 - COMPRESSION PISTON RING by Cummins, ensuring top-notch quality and perfect compatibility...
    $84.56
    $77.25
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $84.56
    $77.25
    Subtotal:
  • CUMMINS 3871404 - ORING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3871404 ORING Original OEM part

    CUMMINS

    $11.30
    $10.33
    Engineered to uphold Cummins' uncompromising standards for durability and precision Ensures a secure seal critical for optimal engine efficiency and leak prevention Designed for seamless...
    $11.30
    $10.33
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11.30
    $10.33
    Subtotal:
  • CUMMINS 3871373 - CONTROL VALVE RETAIN RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3871373 CONTROL VALVE RETAIN RING Original OEM part

    CUMMINS

    $7.63
    $6.97
    Precision engineered to safeguard your engine’s control valve integrity Durable design crafted to withstand demanding operating conditions 100% Genuine OEM quality from Cummins, guaranteeing exact...
    $7.63
    $6.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7.63
    $6.97
    Subtotal:
  • CUMMINS 3863442 - RETAINING RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3863442 RETAINING RING Original OEM part

    CUMMINS

    $21.07
    $19.25
    Engineered to maintain seamless component alignment under demanding conditions Robust design ensures long-lasting retention and protection for engine assemblies Certified genuine OEM part from...
    $21.07
    $19.25
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $21.07
    $19.25
    Subtotal:
  • CUMMINS 3823871 - PISTON RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3823871 PISTON RING Original OEM part

    CUMMINS

    $871.23
    $795.87
    Engineered Precision for Enduring Power Superior Seal for Efficient Combustion Durable Material Designed to Withstand Harsh Conditions Certified Genuine OEM Cummins Component for Guaranteed...
    $871.23
    $795.87
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $871.23
    $795.87
    Subtotal:
  • CUMMINS 3823070 - IDLER BORE DOWEL RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3823070 IDLER BORE DOWEL RING Original OEM part

    CUMMINS

    $216.86
    $198.10
    Engineered for Precision and Reliability Ensures optimal alignment for extended engine life Designed to maintain critical engine component positioning Authentic Cummins OEM part guaranteeing perfect...
    $216.86
    $198.10
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $216.86
    $198.10
    Subtotal:
  • CUMMINS 3822949 - RETAINING RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3822949 RETAINING RING Original OEM part

    CUMMINS

    $14.84
    $13.56
    Engineered for enduring power and precision fit Critical component for maintaining assembly integrity under demanding conditions Manufactured as an authentic OEM Cummins part ensuring exact...
    $14.84
    $13.56
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14.84
    $13.56
    Subtotal:
  • CUMMINS 3822942 - ORING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3822942 ORING Original OEM part

    CUMMINS

    $54.10
    $49.43
    Engineered for seamless integration and lasting resilience Exceptional sealing capability to maintain optimal engine efficiency Precision-crafted to meet Cummins stringent quality...
    $54.10
    $49.43
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    $49.43
    Subtotal:
  • CUMMINS 3820782 - RETAINING RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3820782 RETAINING RING Original OEM part

    CUMMINS

    $9.36
    $8.55
    Cummins 3820782 - RETAINING RING MINS3820782 When choosing original replacement parts for your outdoor equipment, trust Cummins' 3820782 - RETAINING RING. Our store ensures you receive authentic...
    $9.36
    $8.55
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.36
    $8.55
    Subtotal:
  • CUMMINS 3820631 - RING RETAINING
    Add to Cart

    CUMMINS 3820631 RETAINING RING Original OEM part

    CUMMINS

    $4.95
    $4.52
    Engineered to precise OEM standards for lasting reliability Designed to secure critical engine components with unmatched strength Optimized for seamless integration with Cummins engines and...
    $4.95
    $4.52
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    $4.52
    Subtotal:
  • CUMMINS 3806285 - PISTON RING KIT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3806285 PISTON RING KIT Original OEM part

    CUMMINS

    $191.49
    $174.93
    Cummins 3806285 - PISTON RING KIT MINS3806285 For those seeking the best original quality piston ring kit, look no further than the "3806285 - PISTON RING KIT" by Cummins. Our store ensures that you...
    $191.49
    $174.93
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $191.49
    $174.93
    Subtotal:
  • CUMMINS 3806251 - PISTON RING SET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3806251 PISTON RING SET Original OEM part

    CUMMINS

    $209.96
    $191.80
    Cummins 3806251 - PISTON RING SET MINS3806251 Find the perfect fit for your Cummins engine with the 3806251 - PISTON RING SET. Our store stands out as your top choice for original replacement parts...
    $209.96
    $191.80
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $209.96
    $191.80
    Subtotal:
  • CUMMINS 3806242 - PISTON RING SET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 3806242 PISTON RING SET Original OEM part

    CUMMINS

    $191.06
    $174.53
    Precision engineered to uphold Cummins' legacy of unmatched power. Enhances engine compression for peak fuel efficiency and reduced emissions. Durable construction that ensures longevity under...
    $191.06
    $174.53
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $191.06
    $174.53
    Subtotal:
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