Fuel Injector Sleeve Kit Cup Tube 6pcs Fit for Cummins ISX ISX15 QSX15 X15 CM2350 Diesel Engine Single Cam Replace# 3686961 3686883 3687210

​​Fuel Injector Sleeve Kit for Cummins ISX15/QSX15/X15/CM2350 Diesel Engines | OE 3686961 | 6PCS Set​​​​Product Features:​​● Precision-engineered to OE specifications, this injector sleeve kit restores critical sealing integrity for your Cummins ISX/QSX/X15 diesel engine, preventing fuel leaks, maintaining injection pressure, and extending engine lifespan during heavy-duty operation or long-haul driving.● Manufactured with high-grade steel sleeves and reinforced seals, the kit resists heat, corrosion, and fuel degradation—ensuring reliable performance in extreme temperatures or high-pressure conditions.● Complete solution includes all necessary sleeves for full injector cup renewal—eliminating the need for multiple purchases.​​OE Replace Part Number:​​● 3686961; 3686883; 3687210​​Compatible Models:​​● For Cummins ISX15 Diesel Engine● For Cummins QSX15 Diesel Engine● For Cummins X15 Diesel Engine● For Cummins CM2350 Diesel Engine​​Package Including:​​● 6 x Fuel Injector Sleeves​​Attention:​​⚠️ ​​Professional installation mandatory​​—requires specialized tools for sleeve removal/installation and precise torque specifications. DIY attempts risk catastrophic engine damage.⚠️ ​​Use OEM-recommended sealants​​ during installation to ensure proper sealing integrity.⚠️ Verify compatibility with your specific Cummins Single Cam engine using ​​Fitment Bar​​.

• 🚛 ​​Fits ALL Single Cam Cummins Beasts​: 3686961 3686883 3687210; isx 15 injector cup, isx 15 fuel injector cups tool; Fuel Injector Sleeve Kit for Cummins ISX ISX15 QSX15 X15 CM2350 Diesel Engine Single Cam
• 💥 ​​Stop Fuel Dilution & Catastrophic Failures​​: End oil pan contamination nightmares!​​ OE-spec sleeves (3686961+) seal ISX/QSX injector cups like fortress walls. Prevents $15k+ engine rebuilds on X15 haulers—keep your rig earning through Canadian winters or Texas heatwaves.
• 👍【Long-lasting Material】～These Fuel Injector Sleeve Kit are made of composite materials, and the O-ring seal can extend the sealing time of the fuel injector under extreme high temperature conditions. Stainless steel calibration slide and spring assembly prevents corrosion within the fuel control body leading to an extended service life.
• 🌞【Package Includes】～6 x 3686961 Injector Sleeve, 6 x 3686883 Retaining Ring, 6 x 3687210 Rectangular Ring Seal as pictures shows. If you have any questions about this item, please feel free to contact us. Our customer service team always be there for you.
• 🛡[After Sales Service] No matter when or where, we always put your needs first and are committed to creating a reassuring, worry-free and pleasant shopping experience for you. Every time you purchase auto parts, it will be a reliable choice for your car's maintenance and upgrade. If you have any after-sales related questions, please feel free to contact us at any time.