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Sierra 18-3902 Marine Piston Ring For Mercury/Mariner Outboard Motor
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Vendor: Sierra
Type: Engine
Sku: WBCARB001Q8HDJQ
Available: Available
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.
For more information, visit www.P65Warnings.ca.gov.
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Sierra 18-3902 Marine Piston Ring For Mercury/Mariner Outboard Motor
$49.99
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 are the dimensions of the Sierra 18-3902 Piston Ring? A: The dimensions of the Sierra 18-3902 Piston Ring are zero point thirty-nine inches in length, width, and height. This compact size ensures compatibility with designated Mercury marine applications.
- Q: What is the bore size for the Sierra 18-3902 Piston Ring? A: The bore size for the Sierra 18-3902 Piston Ring is two point eight seven five inches. This specification is crucial for ensuring a proper fit in compatible outboard motors.
- Q: What materials are used in the Sierra 18-3902 Piston Ring? A: The specific materials used in the Sierra 18-3902 Piston Ring are not explicitly mentioned. However, it is designed to meet or exceed the standards of original equipment parts.
- Q: How do I install the Sierra 18-3902 Piston Ring? A: To install the Sierra 18-3902 Piston Ring, clean the piston and cylinder thoroughly before fitting the ring onto the piston. Ensure that the ring is seated properly in the groove.
- Q: Is the Sierra 18-3902 Piston Ring suitable for all outboard motors? A: No, the Sierra 18-3902 Piston Ring is specifically designed for Mercury and Mariner outboard motors. It is interchangeable with specific models like Mallory 9-54217.
- Q: Can I use the Sierra 18-3902 Piston Ring in a three-ring piston? A: Yes, the Sierra 18-3902 Piston Ring is designed for use in three-ring pistons. This compatibility is essential for optimal engine performance.
- Q: What is the best way to care for the Sierra 18-3902 Piston Ring? A: To care for the Sierra 18-3902 Piston Ring, ensure it is kept clean and free from debris. Regular engine maintenance can help prolong its life.
- Q: Is the Sierra 18-3902 Piston Ring safe for marine environments? A: Yes, the Sierra 18-3902 Piston Ring is designed for marine applications. It meets specifications that ensure durability and performance in water environments.
- Q: What should I do if the Sierra 18-3902 Piston Ring arrives damaged? A: If the Sierra 18-3902 Piston Ring arrives damaged, contact the retailer immediately. Most retailers will have a return policy in place for damaged items.
- Q: How does the Sierra 18-3902 Piston Ring compare to other brands? A: The Sierra 18-3902 Piston Ring is designed to meet or exceed the performance of original equipment parts. It is comparable to brands like Mallory and Mercury.
- Q: Does the Sierra 18-3902 Piston Ring come with a warranty? A: Yes, the Sierra 18-3902 Piston Ring typically comes with a manufacturer's warranty. Check with the retailer for specific warranty details.
- Q: What if I need a replacement for the Sierra 18-3902 Piston Ring? A: If you need a replacement for the Sierra 18-3902 Piston Ring, look for compatible options like Mallory 9-54217 or the original Mercury parts. Always ensure compatibility.
- Q: Is the Sierra 18-3902 Piston Ring suitable for beginners to install? A: Yes, the Sierra 18-3902 Piston Ring can be suitable for beginners with basic mechanical skills. However, consulting a professional is recommended for best results.
- Q: Can I use the Sierra 18-3902 Piston Ring in high-performance engines? A: Yes, the Sierra 18-3902 Piston Ring can be used in high-performance engines, provided it matches the engine's specifications. Ensure compatibility for optimal performance.
- Q: How long can I expect the Sierra 18-3902 Piston Ring to last? A: The lifespan of the Sierra 18-3902 Piston Ring depends on usage and maintenance. Regular maintenance can extend its life significantly.
- Q: What is the part number for the Sierra 18-3902 Piston Ring? A: The part number for the Sierra 18-3902 Piston Ring is one eight three nine zero two. This number helps in identifying and ordering the correct part.