Fleece Performance
Fleece Performance Cummins Coolant Bypass Replacement O-Ring Kit — Fits 94-18 Dodge 2500/3500
Fleece Performance Cummins Coolant Bypass Replacement O-Ring Kit — Fits 94-18 Dodge 2500/3500
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Fleece Performance Cummins Coolant Bypass Replacement O-Ring Kit — Fits 94-18 Dodge 2500/3500Fleece Performance Cummins Coolant Bypass Replacement O-Ring Kit — Fits 94-18 Dodge 2500/3500
Fleece Performance

Fleece Performance Cummins Coolant Bypass Replacement O-Ring Kit — Fits 94-18 Dodge 2500/3500

SKU: FPEFPE-CLNTBYPS-CR-ORING-KIT

About Fleece Performance Fleece Performance engineers high-quality automotive parts and ...Read more

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$10.64
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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About Fleece Performance

Fleece Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Fleece Performance lineup with fast shipping and expert fitment support — order with confidence.

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Keep Your Cummins Cooling System Sealed

Ensure your Fleece Performance coolant bypass system continues to operate at peak efficiency with this genuine replacement O-Ring Kit. Over time, heat and pressure can degrade standard seals, leading to potential leaks that compromise your engine's cooling capacity. This kit provides the exact replacements needed to restore a factory-tight seal, preventing coolant loss and maintaining optimal operating temperatures for your 1994-2018 Dodge Ram 2500 or 3500.

Why Replace Your O-Rings?

  • High-temperature resistance for long-term durability
  • Precision-engineered for a perfect fit with Fleece bypass kits
  • Prevents coolant leaks that can lead to engine overheating
  • Essential maintenance item for high-mileage Cummins engines

Designed specifically for the rigorous demands of the Cummins platform, these O-rings are built to withstand the extreme under-hood conditions of modified diesel trucks. Don't let a minor leak turn into a major cooling failure; keep a spare kit on hand for your next maintenance interval. Whether you are performing routine service or addressing a minor weep in your bypass system, this kit offers the reliability you expect from Fleece Performance. Find all your essential diesel cooling components at GGCRACING.

About Fleece Performance

Fleece Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Fleece Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Keep Your Cummins Cooling System Sealed

Ensure your Fleece Performance coolant bypass system continues to operate at peak efficiency with this genuine replacement O-Ring Kit. Over time, heat and pressure can degrade standard seals, leading to potential leaks that compromise your engine's cooling capacity. This kit provides the exact replacements needed to restore a factory-tight seal, preventing coolant loss and maintaining optimal operating temperatures for your 1994-2018 Dodge Ram 2500 or 3500.

Why Replace Your O-Rings?

  • High-temperature resistance for long-term durability
  • Precision-engineered for a perfect fit with Fleece bypass kits
  • Prevents coolant leaks that can lead to engine overheating
  • Essential maintenance item for high-mileage Cummins engines

Designed specifically for the rigorous demands of the Cummins platform, these O-rings are built to withstand the extreme under-hood conditions of modified diesel trucks. Don't let a minor leak turn into a major cooling failure; keep a spare kit on hand for your next maintenance interval. Whether you are performing routine service or addressing a minor weep in your bypass system, this kit offers the reliability you expect from Fleece Performance. Find all your essential diesel cooling components at GGCRACING.

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