New 8T7981 Oil Cooler & Lines Gasket Kit Replacement suitable for Caterpillar 3204 Engine Serial Nos. 6DC, 7YJ
- New Oil Cooler & Lines Gasket Kit Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 8T7981 Engine Gasket Kit
â–¶Specification for 8T7981 Engine Gasket Kit
â–¶Exact Fit Guarantee for 8T7981 Engine Gasket Kit
â–¶| Models | 3204, 6DC, 7YJ & more |
|---|---|
| Dimensions | 10.24x10.43x2.76 |
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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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Everything fine, thank you. The only thing with which I had a problem in your Software, is that when I have more than 10 different items on the list, I can't scroll to the first ones. But besides that, I am very happy in going on with buying your parts.
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Good service, quick response.
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Quick Response. Very much appreciated.
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Great service at an affordable price to get my machine back going.
Frequently Asked Questions
What is the 8T7981 gasket used for?
The 8T7981 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 8T7981 gasket?
Fitting the 8T7981 correctly comes down to clean surfaces and following the manual 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 8T7981 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 8T7981 compatible with?
Fitment for the 8T7981 depends on your specific Caterpillar model and the assembly it serves, so confirm the application before you order. Check your manual or reach out to Propel Parts for help verifying fitment.
Does the 8T7981 gasket meet performance standards?
Yes. The 8T7981 is manufactured to meet OEM specifications for tolerance and material quality. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications for dependable, long-term performance.
How often should the 8T7981 be replaced?
Plan to replace the 8T7981 during a rebuild of the surrounding components, or sooner if inspection shows it is past its serviceable limit.
What are the signs of a worn or failing 8T7981 gasket?
When the 8T7981 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 8T7981 important, and what related parts work with it?
Replacing the 8T7981 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. Related hardware on our site includes 2W0282 Seal and 8T0315 Seal O-Ring.
This 8T7981 Engine Gasket Kit is compatible with the following models:
3204, 6DC, 7YJ & 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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