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Enginetech P4681(6).50 Engine Piston Set Without Rings for Mercury and Nissan Vehicles
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Piston Set - without Rings
The Enginetech P4681(6).50 engine piston set is designed for precise performance and durability in a variety of compatible models. Crafted for engines in Mercury Villager and Nissan Quest vehicles from 1993 to 1998, this piston set provides essential components for engine rebuilds and repairs. Engineered with matched weights, these pistons ensure optimal balance and smooth operation, contributing to extended engine life and reliable performance. The piston set includes top and second compression rings with a thickness of 1.50 mm each, and an oil ring with a thickness of 2.80 mm, providing effective sealing and oil control. The piston pin outside diameter measures 0.8262 inches, ensuring proper fitment within the engine assembly. Designed with a bore diameter of 3.425 inches and a compression height of 1.252 inches, these pistons are tailored to meet the specifications of specific engine models for a perfect fit and efficient operation. The high-quality materials and precise manufacturing standards of Enginetech ensure that each piston set maintains tight tolerances and consistent performance. Whether you're performing a complete engine rebuild or replacing worn components, the P4681(6).50 piston set offers a reliable solution backed by Enginetech’s reputation for quality and customer service. Easy to install and compatible with a range of models, this piston set is an essential part for professional rebuilders and DIY enthusiasts alike, seeking to restore engine power and efficiency.
Features:
- Matched weights for balanced engine performance
- Top and second compression ring thickness: 1.50 mm
- Oil ring thickness: 2.80 mm
- Piston pin outside diameter: 0.8262 inches
- Designed for bore diameter of 3.425 inches
- Compression height of 1.252 inches
- Suitable for 1993-1998 Mercury Villager and Nissan Quest models
Fits Following Models:
1993 Mercury Villager
1993 Nissan Quest
1994 Mercury Villager
1994 Nissan Quest
1995 Mercury Villager
1995 Nissan Quest
1996 Mercury Villager
1996 Nissan Quest
1997 Mercury Villager
1997 Nissan Quest
1998 Mercury Villager
1998 Nissan Quest
| Top Compression Ring Thickness: 1.50 mm |
| Second Compression Ring Thickness: 1.50 mm |
| Oil Ring Thickness: 2.80 mm |
| Piston Pin Outside Diameter: 0.8262 |
| Bore Diameter: 3.425 |
| Compression Height: 1.252 |
| Aaiaid Part Number: BBPTP4681(6).50 |
| Part Number: P4681(6).50 |
| 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.









