New 1106991 Head Gasket Replacement suitable for Caterpillar Equipment
- New 1106991 Head Gasket Replacement suitable for Caterpillar Equipment
- Made to USA Specifications
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Description for 1106991 Cyl Head Gasket
â–¶Specification for 1106991 Cyl Head Gasket
â–¶Exact Fit Guarantee for 1106991 Cyl Head Gasket
â–¶| Models | 3508, 3512, 3516, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 5130, 5130B, 5230, 5230B, 776C, 776D, 777, 777B, 777C, 777D, 784B, 784C, 785, 785B, 785C, 785D, 789B, 789C, 793B, 793C, 793D, 797, 797B, 854 |
|---|---|
| Dimensions | 15.75x11.81x0.08 |
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Australian buyer, sales where professional and very responsive with secure parts identification.
Highly recommend.
Bedrock Exploration Pty Lt, Australia
Customer Follow-Up After Delivery:
Thank you Deb and your colleague Anthony A for your help in supplying a replacement part which arrived in good time and is running smoothly.
I shall continue to use your services and recommend you to other remote miners, as your services and delivery times are better than our home-based suppliers.
With thanks again.
Regards, Gerard
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Excellent service!! Yes, very satisfied with the service, you have been very kind!
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Great company to deal with. Answered my questions with detail and shipped me the part in good time! I will be dealing with them more in the future!
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Great place for Cat parts!
Had some shipping difficulties, but everything was made right. Parts were perfect and an excellent price. Thanks! -
Great people! Good and fast service. Always looking to help get what you need! 10/10 ????????
Frequently Asked Questions
What is the Caterpillar 1106991 head gasket used for?
The Caterpillar 1106991 head gasket is a high-quality aftermarket replacement designed to help seal the cylinder head and engine block in heavy equipment engines. It is manufactured to meet or exceed OEM specifications for dependable sealing performance and durability.
What are the benefits of the 1106991 head gasket?
- Helps create a reliable seal between engine components
- Supports proper compression and engine performance
- Manufactured from durable gasket materials
- Designed to meet or exceed OEM specifications
- Helps reduce the risk of coolant and oil leaks
Is the 1106991 head gasket compatible with multiple Caterpillar machines?
Yes, this head gasket may fit various Caterpillar engines and machines including 3508, 3512, 3516, 777, 785, 793, and additional applications depending on engine configuration. If you are still unsure, reach out to Propel Parts, our team will be happy to help you verify if this part fits your equipment.
Why is replacing a damaged head gasket important?
Replacing a damaged head gasket helps maintain proper engine compression, prevent fluid leaks, and protect critical engine components from overheating or internal damage.
Does the 1106991 head gasket meet OEM standards?
Yes, this aftermarket replacement is designed to meet or exceed OEM specifications for fit, sealing performance, and long-lasting engine reliability.
Can a failing head gasket affect engine performance?
Yes. A failing head gasket may lead to coolant leaks, oil contamination, compression loss, overheating, and reduced engine efficiency.
Are related Caterpillar engine sealing components available from Propel Parts?
Yes. Propel Parts offers a variety of engine gaskets and sealing components for Caterpillar equipment. You can also check the Caterpillar Equipment Seal O-Ring 6D7146 for another related sealing option.
This 1106991 Cyl Head Gasket is compatible with the following models:
3508, 3512, 3516, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 5130, 5130B, 5230, 5230B, 776C, 776D, 777, 777B, 777C, 777D, 784B, 784C, 785, 785B, 785C, 785D, 789B, 789C, 793B, 793C, 793D, 797, 797B, 854 & more...

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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