FAST DELIVERY
Enginetech C91516-STD Engine Premium Piston Ring Complete Set for Nissan and Mercury Vehicles
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Upgrade your engine with the Enginetech C91516-STD Engine Premium Piston Ring Complete Set, designed for reliable performance and longevity. Crafted specifically for certain Nissan and Mercury models, this set ensures a precise fit and optimal sealing, essential for maintaining engine efficiency and power. Each ring is engineered to meet SAE guidelines, providing consistent end gaps that contribute to smooth operation and durability. The set includes top and second compression rings with a thickness of 1.50 mm and an oil ring with a thickness of 2.80 mm, all designed to deliver effective oil control and compression sealing. The outside diameter of the rings measures approximately 3.60 inches, ensuring compatibility with the specified engines. Built by Enginetech, a family-owned company since 1982, these parts are tailored for engine rebuilder needs, offering high quality and dependable performance.
Features:
- Top Compression Ring Thickness: 1.50 mm for optimal sealing and performance
- Second Compression Ring Thickness: 1.50 mm to maintain compression integrity
- Oil Ring Thickness: 2.80 mm for effective oil control and lubrication
- Ring Outside Diameter: approximately 3.60 inches for precise fit
- Engine compatibility with select Nissan Frontier, Xterra, and Mercury Villager models
Fits Following Models:
1996 Nissan Pathfinder
1997 Infiniti QX4
1997 Nissan Pathfinder
1998 Infiniti QX4
1998 Nissan Pathfinder
1999 Infiniti QX4
1999 Mercury Villager
1999 Nissan Frontier
1999 Nissan Pathfinder
1999 Nissan Quest
2000 Infiniti QX4
2000 Mercury Villager
2000 Nissan Frontier
2000 Nissan Pathfinder
2000 Nissan Quest
2000 Nissan Xterra
2001 Mercury Villager
2001 Nissan Frontier
2001 Nissan Quest
2001 Nissan Xterra
2002 Mercury Villager
2002 Nissan Frontier
2002 Nissan Quest
2002 Nissan Xterra
2003 Nissan Frontier
2003 Nissan Xterra
2004 Nissan Frontier
2004 Nissan Xterra
| Top Compression Ring Thickness: 1.50 mm |
| Second Compression Ring Thickness: 1.50 mm |
| Oil Ring Thickness: 2.80 mm |
| Ring Outside Diameter: 3.602 |
| Aaiaid Part Number: BBPTC91516-STD |
| Part Number: C91516-STD |
| Brand Aaia: BBPT |
Returns
30-Day Money-Back Guarantee
We want you to be completely satisfied with your purchase! If you are not happy for any reason, you may return the item within 30 days for a refund, minus shipping fees, provided that: The part is brand new, uninstalled, and undamaged in any way.
To initiate a return, please contact us or email support@mizumoauto.com for a Return Authorization Number (RMA) and the return shipping address. Returns without an RMA number will be refused and returned to you at your expense.
Return Requirements:
- Items must be securely packed in the original manufacturer's packaging.
- All original materials must be included, such as hardware, manuals, protective caps, wrapping, and instructions.
- You must obtain and retain the tracking number for your return.
Non-Returnable Items:
- Piston rings, main bearings, and rod bearings are non-returnable if the manufacturer’s seal or shrink-wrapped plastic has been opened. No exceptions—this ensures the integrity of the parts you receive.
We are not responsible for lost or damaged returns. If your return is lost or damaged during shipping, a refund cannot be issued, as the item cannot be resold or returned to the supplier. Please file a claim directly with your shipping carrier for reimbursement.
Refunds are processed within 1-2 business days after we receive and inspect the returned item. Please allow this processing time before inquiring about your refund status.
Warranty
Mizumo Auto provides a 90-day Limited Warranty against defects in workmanship and materials under normal service conditions, effective from the original delivery date.
This warranty is non-transferable and applies only to the original purchaser. Coverage is limited to the replacement or refund of defective products.
Exclusions:
The warranty does not cover labor costs, damage resulting from accidents, misuse, alterations, or unauthorized modifications, as well as additional expenses such as towing, fluids, oils, car rentals, and any other parts not included in the original purchase.
Warranty Claims Process:
- All warranty claims must be pre-authorized and returned prepaid to Mizumo Auto for inspection and approval.
- No exchanges will be made for products that have been damaged, misused, or improperly installed. We strongly recommend professional installation.
- The buyer assumes all risk of damage resulting from improper installation.
All disputes related to transactions shall be resolved by a court of competent jurisdiction in Los Angeles County, California.
Shipping
We offer Free UPS Ground or USPS Ground Advantage shipping within the continental U.S. (48 states).
Shipping to Other Locations:
A delivery surcharge applies to shipments to: Alaska, Hawaii, Puerto Rico, U.S. territories, APO/FPO addresses, Canada, and international destinations.
Order Processing & Tracking:
- Orders are shipped Monday through Friday, excluding holidays.
- Orders placed before 3:00 PM PST will ship the same day, unless unexpected delays occur.
- A tracking number will be emailed within one business day after shipping.
If you do not receive a tracking number, please:
- Check your spam/junk folder.
- If it's not there, contact us via phone or eBay message for assistance.
International Orders:
Import duties, taxes, and brokerage fees are not included in the shipping fee. Please check with your shipping carrier and local customs office regarding any applicable fees before placing your order.









