| 1 |
What engine models is this lower gasket kit compatible with? |
This kit is compatible with Cum mins QSM11, M11, ISM11, and L10 series diesel engines. The primary part number is 4089998. |
| 2 |
What does a lower engine gasket kit include? |
The lower gasket kit includes oil pan gasket, front and rear crankshaft seals, gear housing gaskets, liner O-rings/seal rings, water pump gasket, accessory drive gaskets, and various other seals and O-rings needed for the lower portion of the engine. |
| 3 |
What is the difference between upper and lower gasket kits? |
The upper gasket kit (part no. 4089478) seals the cylinder head, valve cover, and intake/exhaust manifolds. The lower gasket kit (part no. 4089998) seals the crankcase, oil pan, gear housing, and lower engine components. For a full engine overhaul, both kits are needed. |
| 4 |
How long is the warranty period? |
We offer a 6-month warranty on all gasket kits, covering manufacturing defects and material quality issues. |
| 5 |
What materials are the gaskets made of? |
Our gaskets are made from high-quality EPDM rubber reinforced with steel fiber and composite materials, providing excellent resistance to heat, oil, and coolant. |
| 6 |
Can this kit be used for marine applications? |
Yes, this gasket kit is suitable for marine, industrial, construction, agricultural, and genset applications equipped with QSM11/M11/ISM11 engines. |
| 7 |
How do I verify if this part fits my engine? |
Please provide your engine serial number or equipment model, and our technical team will confirm compatibility before your purchase. |
| 8 |
What is the delivery time? |
Most orders are shipped within 1-3 business days. International shipping typically takes 5-15 days depending on the destination. |
| 9 |
Do you offer OEM or aftermarket gaskets? |
We offer high-quality aftermarket replacement gaskets that meet or exceed OEM specifications at competitive prices. |
| 10 |
What is the minimum order quantity (MOQ)? |
The MOQ is 1 piece. We support both sample orders and bulk wholesale quantities. |
| 11 |
How should I store the gasket kit before installation? |
Store gaskets in a cool, dry place away from direct sunlight and extreme temperatures. Keep them in their original packaging to prevent damage. |
| 12 |
Are installation instructions included? |
The kit comes with a component checklist. For detailed installation procedures, we recommend referring to the official Cum mins service manual or consulting a professional mechanic. |