New 0068865 Radiator Cap Replacement suitable for Caterpillar Equipment
- New Radiator Cap Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 68865 Coolant Pressure Cap
â–¶Specification for 68865 Coolant Pressure Cap
â–¶Exact Fit Guarantee for 68865 Coolant Pressure Cap
â–¶| Dimensions | 3.15x1.77x3.15 |
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Prompt service, Friendly people and hassle free
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Fast response and very attentive! Thanks Deb.
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This is a great company to work with. Our sales associate Anthony quickly located the correct part and sent it out right away.
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Excellent customer service and parts.
You guys have always gave excellent customer service!!! Very prompt responsiveness. Warranty services are superb. I have been using them for quite awhile now on equipment I have. Always great prices for parts! Keep up the great work guy's -
Excelente atencion y refacciones de calidad
Frequently Asked Questions
What is the function of the 0068865 radiator cap for Caterpillar equipment?
The 0068865 radiator cap is designed to regulate pressure within the cooling system of your Caterpillar equipment. It helps maintain the correct boiling point of the coolant, prevents overheating, and ensures efficient heat dissipation for optimal engine performance.
How do I install the 0068865 radiator cap replacement?
Please follow these steps for safe and proper installation:
- Turn off the engine and allow it to cool completely
- Carefully remove the existing radiator cap
- Inspect the sealing surface for dirt or damage and clean if necessary
- Install the new 0068865 radiator cap securely
- Ensure it is properly tightened to maintain system pressure
- Restart the equipment and check for leaks or irregular pressure
Which Caterpillar machines are compatible with the 0068865 radiator cap?
The 0068865 radiator cap is used across various Caterpillar machines, but compatibility depends on your specific model and system requirements. Always verify the part number with your equipment manual before purchasing.
If you are unsure, please reach out to Propel Parts for help verifying fitment.
Does the 0068865 radiator cap meet performance standards?
Yes, this radiator cap is designed to meet OEM specifications, ensuring reliable pressure control and durability. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications to maintain proper cooling system performance.
How often should a radiator cap be replaced on heavy equipment?
Radiator caps should be inspected regularly and replaced as needed based on wear, damage, or loss of pressure. In demanding operating conditions, more frequent checks are recommended to prevent cooling system issues and costly downtime.
What are the signs of a faulty or failing radiator cap?
Common symptoms include:
- Engine overheating
- Coolant leaks or loss
- Collapsed radiator hoses
- Inconsistent pressure in the cooling system
- Coolant boiling over
Routine inspection can help identify these issues early and avoid equipment damage.
Why is maintaining proper cooling system pressure important?
Proper pressure regulation helps increase the coolant???s boiling point, allowing the engine to operate efficiently under heavy loads. A well-functioning radiator cap prevents overheating, protects internal components, and supports overall equipment reliability.
Can I use an aftermarket radiator cap instead of a genuine replacement?
Yes, you can use a premium aftermarket radiator cap as long as it meets OEM specifications. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications to ensure dependable performance and long-term durability.

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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