About This FITMENT - SleYuYir Rear Crankshaft Oil Seal Remover & Installer ST-221 Compatible with L10 L10G M11 ISM Cummins Engines. OEM Part Number 3164302 2892562 DURABLE CONSTRUCTION - SleYuYir Rear Crankshaft Oil Seal Remover & Installer ST-221 crafted from premium high-carbon steel, this product features a CNC-machined exterior that ensures exceptional durability and precision. The smooth black oxidization-resistant coating enhances its robustness, impact resistance, and wear tolerance. Engineered to perform optimally under extreme temperature conditions, it significantly extends tool lifespan while maintaining superior operational accuracy FUNCTION - SleYuYir Rear Crankshaft Oil Seal Remover & Installer ST-221 used with Seal #4089542. Specifically designed to removes and installs the rear crankshaft oil seal on L10/M11 engines with rear power take-off (Repto) Product Advantages - SleYuYir Rear Crankshaft Oil Seal Remover & Installer ST-221 prevents rear seal leakage, saves time, and eliminates the risk of damaging the crankshaft sealing surface during disassembly NOTE -- If you are installing seal number 4089544 seal only you will need to use AM-4918241. If you are installing seal number 4089542 seal and sleeve you will need to use 3164302 or ST-221
