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Sierra 18-7163; O Ring Mercury Mariner Lower Unit Gearcase 18-7163, 25-33465, 25-822370 Pack Of 5- Made By Sierra
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Vendor: Sierra
Type: Air Conditioning
Sku: WBCARB00AJW633M
Available: Sold Out
Sold by Carkart, an authorized reseller.
Returns accepted within 30 days | support@carkart.com
Shipping Information
- Free Standard Shipping — United States only
- Processing Time: 1–3 business days
- Estimated Delivery: 3–5 business days after dispatch
- Double-boxed, fully insured & discreetly packaged
- Tracking number sent via email once dispatched
- Orders over $250 require signature upon delivery. Taxes calculated at checkout.
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · 25% restocking fee applies
All returns require a Return Authorization (RA) number before sending.
View Full Return & Refund Policy
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Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
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Sierra 18-7163; O Ring Mercury Mariner Lower Unit Gearcase 18-7163, 25-33465, 25-822370 Pack Of 5- Made By Sierra
$23.08
FAQs
Have a question ? We are here to help.
Is the shipping free?
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
- Q: What is the material of these O-rings? A: These O-rings are made of rubber. Rubber provides flexibility and durability, making it ideal for sealing applications in lower unit gearcases.
- Q: What are the dimensions of the product packaging? A: The packaging dimensions are twelve point zero one inches in length, four point zero two inches in width, and ten inches in height. This compact size allows for easy storage and handling.
- Q: How many O-rings are included in the package? A: The package contains five O-rings. This quantity is suitable for multiple repairs or replacements in various Mercury Mariner models.
- Q: How do I install these O-rings? A: To install the O-rings, first remove the old rings from the lower unit. Clean the surface thoroughly, then place the new O-rings into their designated grooves. Ensure a snug fit to prevent leaks.
- Q: Are these O-rings suitable for all Mercury outboards? A: These O-rings are designed for use in the 1972 Mercury twenty horsepower outboard and may fit other models as well. It's best to verify compatibility with your specific model.
- Q: Can I use these O-rings for other applications? A: Yes, these O-rings can be used in various sealing applications beyond just the lower unit gearcase. Their versatility makes them useful in many mechanical settings.
- Q: How do I care for these O-rings? A: To care for the O-rings, store them in a cool, dry place away from direct sunlight. Avoid exposure to harsh chemicals that could degrade the rubber over time.
- Q: What is the shelf life of rubber O-rings? A: Rubber O-rings typically have a long shelf life, often lasting several years if stored properly. Check for any signs of wear or degradation before use.
- Q: How should I clean these O-rings? A: To clean the O-rings, use a mild soap solution and a soft cloth. Rinse thoroughly and allow them to dry completely before installation to ensure optimal performance.
- Q: Can I return the O-rings if they don't fit? A: Yes, you can return the O-rings if they do not fit your application. Please check the return policy for specific conditions and timeframes for returns.
- Q: What should I do if the O-rings arrive damaged? A: If the O-rings arrive damaged, you should contact customer support immediately. They will assist you with the return process and provide a replacement if needed.
- Q: Are these O-rings hazardous materials? A: No, these O-rings are not classified as hazardous materials. They are made from standard rubber and are safe for use in mechanical applications.
- Q: Do these O-rings replace OEM parts? A: Yes, these O-rings replace OEM part numbers twenty-five-three-thirty-four-six-five and twenty-five-eight-two-two-three-seven-zero. They are designed to fit seamlessly in place of the original parts.
- Q: What is the brand of these O-rings? A: The brand of these O-rings is Sierra. Sierra is known for manufacturing high-quality marine parts and accessories.
- Q: How do these O-rings perform in high temperatures? A: These rubber O-rings are designed to withstand a range of temperatures, making them suitable for marine environments. However, always check the specific temperature ratings for optimal performance.