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.
- Clamping Rings
- Compression Piston Rings
- Dowel Rings
- Flywheel Gear Rings
- O-Rings for Cummins Engines
- Piston Ring Kits
- Piston Ring Sets
- Piston Rings
- Retaining Rings
- Ring Sets
- Product
- Qty in Cart
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CUMMINS 5284980 RING DOWEL Original OEM part
CUMMINS
$7.32$6.68Precision-engineered alignment for your Cummins engine Durable construction designed to withstand intense operational stresses Certified Genuine OEM by Cummins for guaranteed compatibility and...$7.32$6.68 -
CUMMINS 5284979 RING DOWEL Original OEM part
CUMMINS
$6.80$6.22Precision and reliability engineered into every component. Ensures exact alignment and secure fitment within Cummins engines. Manufactured to OEM specifications for durability and safety. Authentic...$6.80$6.22 -
CUMMINS 5269286 RETAINING RING Original OEM part
CUMMINS
$7.93$7.24Engineered for uncompromising reliability Precision-fit design minimizes wear and tear Constructed with premium materials for extended service life 100% Genuine OEM Cummins part, crafted for exact...$7.93$7.24 -
CUMMINS 5267993 SPEED INDICATOR RING Original OEM part
CUMMINS
$14.66$13.39Engineered for precision and unwavering reliability Optimizes accurate speed measurement for critical engine control Durable OEM design ensures seamless integration and long-lasting performance 100%...$14.66$13.39 -
CUMMINS 5263102 CLAMPING RING Original OEM part
CUMMINS
$504.19$460.58Engineered to perform, built to last — trust Cummins excellence in every connection. Precision fit for seamless engine integration ensures peak operational stability. Corrosion-resistant...$504.19$460.58 -
CUMMINS 5258019 RETAINING RING Original OEM part
CUMMINS
$7.94$7.25Engineered for resilience, designed for excellence. Precision-crafted retaining ring enhances component stability under demanding conditions. Constructed from premium materials to ensure enduring...$7.94$7.25 -
ONAN 5180122 EXTERNAL RETAINING RING Original ONAN/CUMMINS OEM part
ONAN
$5.05$4.61Power your peace of mind with engineered precision and lasting reliability Expertly crafted retaining ring designed to secure internal components firmly in place Enhances system stability to...$5.05$4.61 -
ONAN 5121795 206452 152 DIAMETER ORING Original ONAN/CUMMINS OEM part
ONAN
$4.20$3.84Precision engineered for seamless integration in your ONAN generator system Durable material composition ensures lasting sealing under demanding conditions Maintains optimal system performance and...$4.20$3.84 -
ONAN 5121794 FR8 260I/D OR 259X ORING Original ONAN/CUMMINS OEM part
ONAN
$41.02$37.47Engineered for precision and longevity, the ONAN 51-21794 ORING secures your generator systems with dependable sealing technology. Exceptional resistance to wear and heat ensures sustained...$41.02$37.47 -
ONAN 5121787 150I/D BS149530 F ORING Original ONAN/CUMMINS OEM part
ONAN
$12.35$11.28Unwavering Precision Seal: Protect your generator's integrity with a perfectly engineered ONAN ORING that stands the test of demanding conditions. Enhanced Durability: Crafted to resist wear and...$12.35$11.28 -
CUMMINS 502077 RETAINING RING Original OEM part
CUMMINS
$7.29$6.66Cummins 502077 - RETAINING RING MINS502077 Elevate your outdoor equipment maintenance with the 502077 - RETAINING RING from Cummins. At our store, authenticity is our hallmark. Trust us to deliver...$7.29$6.66 -
CUMMINS 4989510 RETAINING RING Original OEM part - SUPERSEDED FROM C0406503012
CUMMINS
$4.95$4.52Precision-engineered durability for dependable system integrity Essential component designed to secure and maintain engine assembly stability Certified Cummins OEM part ensuring seamless...$4.95$4.52 -
CUMMINS 4982188 RETAINING RING Original OEM part
CUMMINS
$6.37$5.82Precision engineered for durability and seamless integration Ensures secure retention of critical engine components under demanding conditions Manufactured exclusively by Cummins to uphold OEM...$6.37$5.82 -
CUMMINS 4974994 RING DOWEL Original OEM part
CUMMINS
$117.59$107.42Precision-engineered durability for seamless engine alignment Ensures perfect fit and optimal performance within Cummins systems Critical for maintaining the integrity and longevity of your power...$117.59$107.42 -
CUMMINS 4959815 RETAINING RING Original OEM part
CUMMINS
$13.03$11.90Engineered to uphold unwavering reliability in the heart of your power system Precision-crafted retaining ring that ensures optimal component alignment and secure assembly Durable construction...$13.03$11.90 -
CUMMINS 4956579 RETAINING RING Original OEM part
CUMMINS
$8.00$7.31Precision engineered for uncompromising reliability in your Cummins engine Durable retaining ring designed to maintain optimal component alignment and function Manufactured as a genuine OEM Cummins...$8.00$7.31 -
CUMMINS 4956244 RING DOWEL Original OEM part
CUMMINS
$85.93$78.49Engineered for Excellence: Guarantee flawless alignment and structural integrity under demanding conditions. Durable Precision: Crafted with premium materials to maintain exact fit and optimal...$85.93$78.49 -
CUMMINS 4956091 PISTON RING SET Original OEM part
CUMMINS
$424.75$388.01Cummins 4956091 - PISTON RING SET MINS4956091 Looking for a reliable source to purchase the 4956091 - PISTON RING SET by Cummins Look no further! Our store offers authentic replacement parts for...$424.75$388.01 -
CUMMINS 4955976 PISTON RING SET Original OEM part
CUMMINS
$391.30$357.46Deliver unmatched engine sealing and compression for ultimate power retention Advanced wear resistance to extend engine life under demanding conditions Certified genuine OEM component engineered by...$391.30$357.46 -
CUMMINS 4955975 PISTON RING KIT Original OEM part
CUMMINS
$392.95$358.96Cummins 4955975 - PISTON RING KIT MINS4955975 Discover top-tier quality with the 4955975 - PISTON RING KIT by Cummins, SKU MINS4955975. Trust our store for genuine replacement parts, ensuring...$392.95$358.96 -
CUMMINS 4955641 PISTON RING SET Original OEM part
CUMMINS
$227.66$207.97Precision engineered for enduring engine health and power delivery. Superior sealing technology ensures optimal compression and fuel economy. Crafted as a genuine OEM CUMMINS component to guarantee...$227.66$207.97 -
CUMMINS 4955480 PISTON RING SET Original OEM part
CUMMINS
$221.90$202.71Precision engineered for enduring power and reliability Superior sealing technology minimizes wear and maximizes engine efficiency Optimized for emissions control and fuel economy in demanding...$221.90$202.71 -
CUMMINS 4955433 PISTON RING SET Original OEM part
CUMMINS
$2,342.02$2,139.43Engineered Precision, Trusted Performance High-Grade Material Construction for Maximum Durability Ensures Optimal Compression and Reduced Emissions Certified OEM Quality from Cummins for Perfect Fit...$2,342.02$2,139.43 -
CUMMINS 4955366 PISTON RING SET Original OEM part
CUMMINS
$159.45$145.66Precision-engineered power for enduring reliability Exceptional sealing capability to maintain optimal compression and reduce oil consumption Advanced material technology ensures longevity under...$159.45$145.66 -
CUMMINS 4955327 PISTON RING KIT Original OEM part
CUMMINS
$434.72$397.11Experience unmatched engine restoration with the precision-crafted CUMMINS 4955327 PISTON RING KIT. Engineered for optimal sealing to sustain superior compression and reduce wear. Maintain fuel...$434.72$397.11 -
CUMMINS 4955251 PISTON RING SET Original OEM part
CUMMINS
$159.45$145.66Unleash peak engine efficiency with trusted Cummins engineering Precision-crafted piston rings designed for superior sealing and durability Enhance engine longevity while maintaining emissions...$159.45$145.66 -
CUMMINS 4955169 PISTON RING SET Original OEM part
CUMMINS
$195.82$178.88Engineered for Excellence: Precision-crafted piston rings designed to maintain engine integrity and optimize performance. Enhanced Durability: Superior wear resistance ensures prolonged engine life...$195.82$178.88 -
CUMMINS 4946759 FLYWHEEL RING GEAR Original OEM part
CUMMINS
$66.34$60.60Engineered precision meets unwavering durability for your Cummins power Robust construction designed for seamless engagement and extended service life Critical for smooth starter operation and...$66.34$60.60 -
CUMMINS 4945590 FLYWHEEL RING GEAR Original OEM part
CUMMINS
$454.52$415.20Precision engineered for seamless engine integration Ensures optimal starter engagement and smooth operation Durable construction crafted to withstand demanding conditions 100% Genuine OEM Cummins...$454.52$415.20 -
CUMMINS 4945017 PISTON RING KIT Original OEM part
CUMMINS
$185.85$169.77Cummins 4945017 - PISTON RING KIT MINS4945017 When it comes to finding the highest quality parts like the 4945017 - PISTON RING KIT, look no further than our store offering genuine products from top...$185.85$169.77 -
CUMMINS 4942243 RETAINING RING Original OEM part
CUMMINS
$12.13$11.08Cummins 4942243 - RETAINING RING MINS4942243 Discover the top-quality 4942243 - RETAINING RING by Cummins, SKU MINS4942243, ensuring a perfect fit for your outdoor equipment. Trust our store for...$12.13$11.08 -
CUMMINS 4941179 SPEED INDICATOR RING Original OEM part
CUMMINS
$199.39$182.15Cummins 4941179 - SPEED INDICATOR RING MINS4941179 Find the genuine Cummins 4941179 - SPEED INDICATOR RING, SKU MINS4941179, right here. Rest easy knowing you're getting an authentic replacement...$199.39$182.15 -
CUMMINS 4919373 PISTON RING COMPRESSOR Original OEM part
CUMMINS
$396.00$361.75Precision engineering meets trusted reliability in every use Durable construction for consistent, accurate piston ring installation Compact design optimized for ease of handling and application 100%...$396.00$361.75 -
CUMMINS 4917503 SPEED INDICATOR RING Original OEM part
CUMMINS
$10,267.30$9,379.18Engineered for precision and durability to maintain optimal speed regulation under demanding conditions. Enhanced compatibility ensures seamless integration with your Cummins generator system for...$10,267.30$9,379.18 -
CUMMINS 4916798 SPEED INDICATOR RING Original OEM part
CUMMINS
$751.58$686.57Precision engineered for seamless integration and lasting dependability Ensures accurate speed indication for enhanced engine performance Manufactured to meet rigorous Cummins OEM standards for...$751.58$686.57 -
CUMMINS 4895227 RING DOWEL Original OEM part
CUMMINS
$21.34$19.49Precision engineered for impeccable alignment and secure engine assembly Crafted to maintain engine stability under demanding operational conditions 100% genuine OEM Cummins part guaranteeing full...$21.34$19.49 -
CUMMINS 4891209 RING DOWEL Original OEM part
CUMMINS
$18.93$17.29Precision that powers your engine’s legacy Engineered for exact fit to ensure alignment stability in demanding conditions Durable steel construction for extended service life under harsh...$18.93$17.29 -
CUMMINS 4389511 ANTIPOLISHIN RING Original OEM part
CUMMINS
$53.20$48.60Precision engineered by Cummins for optimal performance and longevity Essential component to protect engine health and reduce wear Crafted from premium materials ensuring superior resistance and...$53.20$48.60 -
CUMMINS 4376395 PISTON RING KIT Original OEM part
CUMMINS
$912.80$833.85Cummins 4376395 - PISTON RING KIT MINS4376395 Upgrade your Cummins engine with the genuine 4376395 - PISTON RING KIT, known for its precise fit and exceptional performance. Trust our store for...$912.80$833.85 -
CUMMINS 4376377 PISTON RING KIT Original OEM part
CUMMINS
$459.24$419.51Cummins 4376377 - PISTON RING KIT MINS4376377 When it comes to sourcing original replacement parts for your outdoor equipment, look no further than our store. The 4376377 - PISTON RING KIT by...$459.24$419.51