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New 6B8505 Sleeve-Valve Replacement suitable for Caterpillar Equipment
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Description for 6B8505 Valve Mechanism Parts
â–¶Specification for 6B8505 Valve Mechanism Parts
â–¶Exact Fit Guarantee for 6B8505 Valve Mechanism Parts
â–¶Reviews
Customer Reviews
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Had some difficulties with the website. Contacted customer service. Once I communicated the issues I was having Steven worked through getting my order processed and making sure I got my receipt and all issues resolved. Perfect!
Excellent experience.
Mike has been very helpful. I am looking forward to keep doing business with them
Great site and price
The gentleman was very helpful
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!
perfect service
Excellent and prompt response.
Propel parts team helped me greatly regarding a special request and I always get prompt response.
They’re fantastic!
Always helpful and great pricing
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
Product Questions
Frequently Asked Questions
What is the 6B8505 cylinder liner used for?
The 6B8505 cylinder liner forms the bore the piston rides in, providing a hard, true wearing surface and helping transfer combustion heat. A sound liner is central to engine sealing and life.
How do I install the 6B8505 cylinder liner?
A reliable installation of the 6B8505 starts with inspection and ends with verification. Follow this process:
- Shut down, cool, and follow engine service procedures
- Remove the old liner and clean the block bore
- Inspect the bore, counterbore, and seal areas
- Fit the 6B8505 with new seals and the correct protrusion
- Verify protrusion and seating before completing assembly
Which Caterpillar machines is the 6B8505 compatible with?
The 6B8505 cylinder liner is used across many Caterpillar applications, but the correct fit depends on your exact model and assembly. Always cross-check fitment using your service manual or part reference guide before ordering. 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.
Does the 6B8505 cylinder liner meet performance standards?
Yes. The 6B8505 is built to meet OEM specifications for fit, strength, and service life. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications to keep the assembly protected.
How often should the 6B8505 be replaced?
Service life for the 6B8505 depends on operating conditions and load. Replace it on inspection findings or at the interval your manual specifies rather than waiting for a failure.
What are the signs of a worn or failing 6B8505 cylinder liner?
Catching a failing 6B8505 early prevents wider damage. The common warning signs include:
- Coolant or oil leaks around the liner
- Loss of compression or blow-by
- Scoring or excessive bore wear
- Cavitation pitting on the liner wall
Why is the 6B8505 important, and what related parts work with it?
Keeping the 6B8505 in good condition protects the components around it and supports smooth, reliable operation. Maintaining the assembly with parts that meet OEM specifications helps you avoid unplanned downtime. Related hardware on our site includes 5P2060 Seal Viton and 6H6269 Ring Wear.
Shipping | Returns
Shipping
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.
Easy Returns
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.
Warranty
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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