New 1280317 Water Pump Seal Replacement suitable for Caterpillar Equipment

The 1280317 seal keeps fluids contained and contaminants out where two surfaces meet or a shaft rotates. A sound seal maintains pressure, prevents leaks, and protects the components it isolates.

To install the 1280317 properly, prepare the area first and confirm the result afterward. Use these steps:

1. Shut down and depressurize the system, then let it cool if needed
2. Remove the old seal and clean the bore and shaft surfaces
3. Inspect the sealing surface for scoring, pitting, or wear
4. Lightly lubricate the 1280317 as directed and fit it square to the bore
5. Seat it to the correct depth without distorting the lip, then check for leaks

The 1280317 is matched to particular Caterpillar equipment, so always verify the application against your parts reference before purchasing. Or reach out to Propel Parts for help verifying fitment.

Yes. Propel Parts supplies the 1280317 as a premium aftermarket part made to meet OEM specifications. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so you can fit it with confidence.

Replace the 1280317 whenever the assembly it serves is overhauled, or any time it shows wear, damage, or corrosion. Following the intervals in your service manual is the best guide. When servicing this area, the 4K6804 Seal O-Ring is commonly replaced at the same time.

A worn 1280317 usually gives early warning through the assembly it supports. Watch for these signs:

• Visible fluid leaks or seepage at the joint
• Loss of system pressure
• Contamination found inside the assembly
• A hardened, cracked, or torn sealing surface

A sound 1280317 is inexpensive insurance against larger repairs. Servicing it on time with parts that meet OEM specifications keeps the whole assembly working as intended. During an overhaul, the 1136200 Gasket Exhaust is frequently replaced alongside this part.