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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ONAN 1104183 VALVE SEAT RING INLET Original ONAN/CUMMINS OEM part
ONAN
$28.70$26.22Cummins VALVE SEAT RING INLET 110-4183 Look no further for the authentic VALVE SEAT RING INLET with SKU 110-4183 from the renowned brand Cummins. Trust us for the perfect fit and top-notch quality...$28.70$26.22 -
ONAN 1853438 PISTON RING ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$17.65$16.12Cummins PISTON RING ASSEMBLY 185-3438 Discover the high-quality PISTON RING ASSEMBLY by Cummins with SKU 185-3438, exclusively available in our store. Our commitment to providing original...$17.65$16.12 -
ONAN 1854755 #1 RING Original ONAN/CUMMINS OEM part
ONAN
$12.52$11.43Trust in Precision Engineering for Unmatched Power Durable Construction Designed to Withstand Rigorous Engine Demands Ensures Proper Sealing for Optimal Combustion Efficiency 100% Genuine OEM part...$12.52$11.43 -
ONAN 1853459 RETAINER RING Original ONAN/CUMMINS OEM part
ONAN
$14.18$12.96Cummins RETAINER RING 185-3459 Find the genuine Cummins RETAINER RING with SKU 185-3459 at our online store. Made with high-quality materials, this part ensures durability and optimal performance...$14.18$12.96 -
ONAN 1871028 DRAIN PLUG ORING ONAN Genuine OEM Part
ONAN
$15.90$14.53Genuine ONAN replacement part ensuring strict factory specifications. Designed to provide a secure and leak-proof seal for the drain plug assembly. Critical for maintaining engine oil integrity and...$15.90$14.53 -
ONAN 1810276 PISTON RING SET Original ONAN/CUMMINS OEM part
ONAN
$5.30$4.85Cummins PISTON RING SET 181-0276 When it comes to replacing your piston ring set, trust Cummins to deliver top-notch quality with SKU 181-0276. Our store stands out as the premium choice for those...$5.30$4.85 -
ONAN 1104156 VALVE GUIDE RING Original ONAN/CUMMINS OEM part
ONAN
$21.70$19.83Cummins VALVE GUIDE RING 110-4156 Discover the precision-engineered VALVE GUIDE RING SKU 110-4156 by Cummins, ensuring your outdoor equipment performs at its peak. Our store offers the best price...$21.70$19.83 -
ONAN 5180838 RETAINING RING Original ONAN/CUMMINS OEM part
ONAN
$18.06$16.50Cummins RETAINING RING 518-0838 When it comes to securing parts for your outdoor equipment, look no further than the Cummins 518-0838 RETAINING RING available at our store. Designed with precision...$18.06$16.50 -
On Sale
ONAN 5180392 EXTERNAL RETAINING RING Original ONAN/CUMMINS OEM part
ONAN
$9.58$7.66$8.75ONAN 518-0392 EXTERNAL RETAINING RING is a high-grade steel replacement part in OEM condition. It provides secure fastening to hold assemblies firmly in place during operation. Constructed for...$9.58$7.66$8.75 -
ONAN 517013102 HOLE PLUG Original ONAN/CUMMINS OEM part
ONAN
$8.70$7.95Precision-engineered sealing solution for efficient generator operation Durable construction for long-lasting protection against leaks and contaminants Manufactured as a genuine OEM Onan component,...$8.70$7.95 -
ONAN 5180766 RETAINING RING Original ONAN/CUMMINS OEM part
ONAN
$7.98$7.29Cummins RETAINING RING 518-0766 Find the original Cummins RETAINING RING with product SKU 518-0766 at the best price and fast shipping only at our store. Our wide selection of quality lawn mower and...$7.98$7.29 -
ONAN 5180394 TEXT EXTERNAL RETAINING RING Original ONAN/CUMMINS OEM part
ONAN
$7.92$7.23Cummins TEXT EXTERNAL RETAINING RING 518-0394 Find the authentic TEXT EXTERNAL RETAINING RING with SKU 518-0394 from Cummins at our store. Designed for durability and precision, this part ensures...$7.92$7.23 -
ONAN 5180348 RING INTERNAL RTNR Original ONAN/CUMMINS OEM part
ONAN
$9.60$8.77Cummins RING INTERNAL RTNR 518-0348 Find the genuine Cummins RING INTERNAL RTNR with SKU 518-0348 at our store. Our commitment to providing original replacement parts ensures the quality and...$9.60$8.77 -
ONAN 5180221 EXTERNAL RETAINING RING Original ONAN/CUMMINS OEM part
ONAN
$8.28$7.57Precision engineered to maintain optimal generator integrity Durable construction ensures long-lasting performance in demanding conditions Essential OEM component for dependable replacement and...$8.28$7.57 -
ONAN 5180218 EXTERNAL RETAINING RING Original ONAN/CUMMINS OEM part
ONAN
$7.10$6.49Precision engineered for enduring reliability in every installation Robust design maintains secure assembly under high stress conditions Exact OEM specifications guarantee seamless compatibility and...$7.10$6.49 -
ONAN 5180207 EXTERNAL RETAINING RING Original ONAN/CUMMINS OEM part
ONAN
$7.33$6.69Precision engineered for unwavering generator security Robust construction designed to endure rigorous operational demands Guaranteed OEM quality assuring perfect fit and maximum...$7.33$6.69 -
ONAN 5180188 EXTERNAL RETAINING RING Original ONAN/CUMMINS OEM part
ONAN
$7.10$6.49Engineered for enduring strength and seamless fit. Essential for maintaining optimal generator assembly integrity. Precisely crafted to ensure steady, reliable performance under demanding conditions...$7.10$6.49 -
ONAN 5180129 EXTERNAL RETAINING RING Original ONAN/CUMMINS OEM part
ONAN
$7.75$7.08Precision-crafted for dependable power continuity Durable design enhances engine component stability Essential OEM replacement ensures perfect compatibility Manufactured exclusively by ONAN,...$7.75$7.08 -
ONAN 5180115 EXTERNAL RING RING Original ONAN/CUMMINS OEM part
ONAN
$8.33$7.61Precision engineered for seamless performance—trust in every turn. Robust design to resist wear and extend generator life. Exact fit for optimal functionality and minimal maintenance. Guaranteed...$8.33$7.61 -
ONAN 5180014 EXTERNAL RETAINING RING ONAN Genuine OEM Part
ONAN
$8.00$7.31Certified Genuine ONAN replacement part for guaranteed fit and function Secures critical components in place to maintain generator stability Designed to withstand operational stresses ensuring...$8.00$7.31 -
ONAN 5170283 HOLE PLUG Original ONAN/CUMMINS OEM part
ONAN
$7.33$6.69Maintain your generator's optimal performance with precision-engineered OEM parts. Designed to provide a perfect seal, preventing leaks and contamination. Durable construction assures long-term...$7.33$6.69 -
ONAN 5090352 ORING Original ONAN/CUMMINS OEM part
ONAN
$7.10$6.49Cummins O-RING 509-0352 Enhance the performance of your outdoor equipment with the genuine Cummins O-RING (SKU: 509-0352). Crafted with precision and durability, this replacement part ensures a...$7.10$6.49 -
On Sale
ONAN 5090347 ORING Original ONAN/CUMMINS OEM part
ONAN
$8.33$6.66$7.61The ONAN 509-0347 ORING is a durable rubber sealing component OEM-certified for ONAN and Cummins generators. This part ensures a tight seal to prevent leaks and maintain optimal engine...$8.33$6.66$7.61 -
ONAN 5090324 ORING ONAN Genuine OEM Part
ONAN
$7.42$6.78Certified Genuine ONAN OEM component ensuring exact compatibility with Cummins/Onan generators. Provides critical sealing function to prevent fluid and air leaks, safeguarding engine performance and...$7.42$6.78 -
ONAN 5090304 ORING ONAN Genuine OEM Part
ONAN
$7.54$6.89Certified as an authentic Cummins Onan OEM component ensuring perfect fit and finish Designed to provide a critical seal that prevents fluid or gas leaks within your generator engine Maintains...$7.54$6.89 -
ONAN 5090285 ORING ONAN Genuine OEM Part
ONAN
$9.71$8.87Genuine ONAN 509-0285 O-RING built to precise Cummins/Onan specifications Designed to create a secure seal to prevent leaks and maintain engine integrity Durable material ensures long-term...$9.71$8.87 -
ONAN 5090254 ORING Original ONAN/CUMMINS OEM part
ONAN
$7.50$6.86Cummins O-RING 509-0254 Discover the high-quality O-RING by Cummins with SKU 509-0254, ensuring a perfect fit for your outdoor equipment. Our store offers genuine replacement parts at the best...$7.50$6.86 -
ONAN 5090253 OIL PUMP ORING ONAN Genuine OEM Part
ONAN
$8.09$7.39100% Genuine ONAN OEM replacement part engineered to exact Cummins/Onan specifications Essential for maintaining a secure seal in the oil pump, preventing leaks and ensuring consistent oil...$8.09$7.39 -
ONAN 5090124 ORING Original ONAN/CUMMINS OEM part
ONAN
$7.80$7.13Cummins O-RING 509-0124 Looking for an original O-RING replacement part for your outdoor equipment Look no further than the Cummins 509-0124 O-RING available in our store. Crafted to exact...$7.80$7.13 -
ONAN 3323082 RING TERMINAL Original ONAN/CUMMINS OEM part
ONAN
$7.48$6.84Cummins RING TERMINAL 332-3082 Explore our selection of authentic Cummins RING TERMINAL, SKU 332-3082, known for their top-notch quality and reliability. Crafted to precision, these terminals ensure...$7.48$6.84 -
ONAN 1871063 SNAP RING Original ONAN/CUMMINS OEM part
ONAN
$6.79$6.21Cummins SNAP RING 187-1063 Browse no further for your genuine Cummins SNAP RING with SKU 187-1063. Our store ensures you get the highest quality replacement parts for your outdoor equipment...$6.79$6.21 -
ONAN 1857433 ORING Original ONAN/CUMMINS OEM part
ONAN
$7.66$7.00Cummins O-RING 185-7433 When it comes to finding authentic replacement parts like the Cummins O-RING with SKU 185-7433, our store stands out for offering genuine products that ensure optimal...$7.66$7.00 -
ONAN 1857429 ORING Original ONAN/CUMMINS OEM part
ONAN
$10.07$9.20Cummins O-RING 185-7429 Find the perfect O-RING replacement (SKU: 185-7429) from Cummins at our online store. Made with quality materials, our genuine parts ensure optimal performance and longevity...$10.07$9.20 -
ONAN 1857426 ORING Original ONAN/CUMMINS OEM part
ONAN
$10.90$9.96Cummins O-RING 185-7426 At our store, find the genuine Cummins O-RING, SKU 185-7426, crafted to the highest standards for optimal performance and longevity. Trust in our commitment to providing only...$10.90$9.96 -
ONAN 1857421 ORING Original ONAN/CUMMINS OEM part
ONAN
$10.49$9.59Cummins O-RING 185-7421 Discover the high-quality "O-RING" by Cummins, SKU 185-7421, available at our store. As an essential replacement part for your outdoor equipment, this original O-RING...$10.49$9.59 -
ONAN 1856545 ORING Original ONAN/CUMMINS OEM part
ONAN
$8.50$7.77Cummins O-RING 185-6545 Explore our selection of original O-RING with SKU 185-6545 from the reputable brand Cummins. Precision-engineered for optimal performance, our O-RING is a reliable choice for...$8.50$7.77 -
ONAN 1856248 ORING Original ONAN/CUMMINS OEM part
ONAN
$7.44$6.80Cummins O-RING 185-6248 Replace your O-RING with the original Cummins O-RING SKU 185-6248 available at our store. Crafted with precision to ensure a perfect fit and lasting durability for your...$7.44$6.80 -
ONAN 1855869 ORING Original ONAN/CUMMINS OEM part
ONAN
$8.00$7.31Cummins O-RING 185-5869 Discover the high-quality "O-RING" by Cummins, SKU 185-5869, guaranteed to keep your outdoor equipment running smoothly. Our store offers genuine replacement parts ensuring...$8.00$7.31 -
ONAN 1855744 ORING Original ONAN/CUMMINS OEM part
ONAN
$8.89$8.12Cummins O-RING 185-5744 Discover the genuine Cummins O-RING (SKU: 185-5744) at our store, your go-to destination for top-quality replacement parts. Expertly crafted to precise specifications, this...$8.89$8.12 -
ONAN 1855743 ORING Original ONAN/CUMMINS OEM part
ONAN
$8.72$7.96Cummins O-RING 185-5743 Discover the genuine Cummins O-RING, SKU 185-5743, renowned for its high-quality and precision fit. Our online store prides itself on offering authentic replacement parts...$8.72$7.96