New 2P4305 Gasket-Ctp (P) Replacement suitable for Caterpillar Equipment
- New Gasket-Ctp (P) Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 2P4305 Paper Gasket
â–¶Specification for 2P4305 Paper Gasket
â–¶Exact Fit Guarantee for 2P4305 Paper Gasket
â–¶| Dimensions | 4.37x2.99x0.03 |
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Frequently Asked Questions
What is the 2P4305 gasket used for?
The 2P4305 is a gasket that fills the gap between two surfaces to create a tight seal. It keeps fluids and combustion gases where they belong.
How do I install the 2P4305 gasket?
Fitting the 2P4305 correctly comes down to clean surfaces and following the manual’s sequence. Work through these steps:
- Shut down, cool, and depressurize the assembly before opening it
- Remove the old gasket and scrape the surfaces fully clean
- Inspect both faces for warping, pitting, or scoring
- Position the new 2P4305 so all ports and bolt holes line up
- Torque the fasteners in the correct sequence and re-check for leaks
Which Caterpillar machines is the 2P4305 compatible with?
Compatibility for the 2P4305 gasket varies by machine and configuration, so cross-check it for your Caterpillar equipment before ordering. Or reach out to Propel Parts for help verifying fitment.
Does the 2P4305 gasket meet performance standards?
Yes. The 2P4305 is engineered to meet OEM specifications for material, dimensions, and durability. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so the part performs the way it was designed to.
How often should the 2P4305 be replaced?
The 2P4305 is typically renewed during scheduled service or a related repair. In demanding, high-hour operation, inspect it more often to stay ahead of wear. This part is commonly replaced alongside the 1P3706 Seal, so it is worth checking both while the assembly is open.
What are the signs of a worn or failing 2P4305 gasket?
When the 2P4305 reaches the end of its service life, the symptoms tend to show up first as performance or wear issues. Look for:
- External leaks at the mating joint
- Loss of pressure or compression
- Coolant, oil, or gas cross-contamination
- A crushed, blown, or hardened gasket on inspection
Why is the 2P4305 gasket important, and what related part is commonly replaced with it?
Replacing the 2P4305 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. The 2303775 Seal O-Ring is commonly serviced together with this part, so it is worth replacing both while access is available.

We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.
We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.
Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.

Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.

Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.
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