Cummins ISX Rear Main Seal Kit – 4965569 (New)

Cummins ISX Rear Main Seal Kit 4965569 – New OEM-Quality Seal

Restore the integrity of your engine with this Cummins ISX Rear Main Seal Kit 4965569. Designed specifically for ISX engines, this high-quality seal kit is essential for stopping oil leaks at the rear of the crankshaft. Whether you’re performing preventative maintenance or fixing a known issue, this part provides OEM-level sealing power at an affordable price.

Oil leaks at the rear main seal can lead to serious engine damage if left unaddressed. Replacing the rear main seal with this complete kit ensures your ISX engine stays clean, lubricated, and protected from contaminants. This kit is brand-new and ready to install, making it a top choice for professional shops, owner-operators, and fleet maintenance teams alike.

🔧 Product Features & Specifications

• Condition: New, unused part
• Part Number: 4965569
• Fits: Cummins ISX Engines
• Includes: Rear main seal, installation ring, gasket/sealing components
• Purpose: Prevents oil leakage at rear of crankshaft
• Material: Durable, high-temp synthetic rubber and metal ring components

⚙️ Compatibility and Application

This rear main seal kit is designed for use on Cummins ISX series engines, including ISX15 and other variants. Always verify compatibility using your engine’s serial number (ESN) or VIN. This kit is a direct replacement for Cummins part 4965569.

Some commonly replaced cross-referenced part numbers include:

• Replacement for: 4965569
• Compatible with: ISX15, ISX CM871, ISX CM2250, CM2350

💡 Why Replace Your Rear Main Seal?

Rear main seals are subject to constant pressure, heat, and vibration. Over time, they can harden or become damaged, leading to oil leaks that affect engine performance. Replacing the seal promptly ensures:

• Proper oil containment
• Reduced risk of clutch/flywheel contamination
• Better engine longevity
• Cleaner operation with less mess and oil waste

🚚 Shipping & Pickup Options

We ship nationwide and also offer local pickup from both of our locations:

• Alsip, IL: 5120 W 125th Pl, Alsip, IL 60803
  📞 Call: 708-866-2000 | 📲 Text: 708-910-4096
• Fort Myers, FL: 17121 Cam Ct, Fort Myers, FL 33967
  📞 Call: 239-342-7777 | 📲 Text: 239-341-7777

📧 Email: info@truckzoneparts.com or info_fl@truckzoneparts.com

🌟 Why Order from TZ Parts?

At TZ Parts, we specialize in semi-truck engine and body parts from leading brands like Cummins, Volvo, Kenworth, Peterbilt, Freightliner, and Mack. Whether you’re a small operator or a large fleet manager, we provide unbeatable quality and support.

We carry both OEM and premium aftermarket parts to give you flexible options. All listings are inspected for accuracy and fitment, and our support team is always available to assist you with order questions or technical details.

🔗 Helpful Resources

• Cummins Engine Parts – TZ Parts
• SAE Standards for Engine Sealing
• DOT Regulations – U.S. Department of Transportation

Disclaimer: OEM part numbers are for reference only. This listing is for a new, high-quality replacement part and not an original Cummins-branded product unless otherwise noted.