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- Description
- Fitment
- Warranty and Refund
- Reviews
The Enginetech M43638-030 Engine Premium Piston Ring Complete Set is designed to deliver exceptional performance and reliability for your engine rebuild projects. Crafted with precision, these piston rings feature consistent end gaps following SAE guidelines, ensuring optimal sealing and reducing blow-by. The set includes top compression rings with a thickness of 3/32 inch, second compression rings at 5/64 inch, and oil rings measuring 3/16 inch, all engineered to meet high-quality standards for durability and efficiency. The outside diameter of the rings is 4.360 inches, making them suitable for a range of engine configurations. These rings are ideal for professional rebuilders and mechanics seeking dependable parts that restore engine compression and oil control, extending engine life and performance.
Enginetech has been family-owned and operated since 1982, specializing in high-quality engine components for both import and domestic engines. Their product line includes complete engine kits and individual components, allowing for tailored solutions to meet specific rebuild needs. The M43638-030 set exemplifies their commitment to quality, with engineered precision to fit a variety of engines, and is supported by nationwide distribution and dedicated customer service. Whether you're restoring an old engine or building a new one, these piston rings are a reliable choice for ensuring peak engine performance and longevity.
Engineered specifically for engine rebuiders, the Enginetech M43638-030 set offers a seamless fit and consistent performance, making it an essential component in your engine repair toolkit. Trust Enginetech’s reputation for quality and precision to help you achieve professional results in every rebuild, backed by years of industry experience and a focus on customer satisfaction.
Features:
- Consistent end gaps following SAE guidelines for optimal sealing
- Top compression ring thickness: 3/32 inch for effective compression
- Second compression ring thickness: 5/64 inch for reliable sealing
- Oil ring thickness: 3/16 inch for efficient oil control
- Ring outside diameter: 4.360 inches ensures proper fit in compatible engines
- Engineered for high durability and performance in rebuild applications
- Part of Enginetech’s extensive line of high-quality engine components
- Suitable for domestic and import engine rebuilds
| Top Compression Ring Thickness: 3/32 in |
| Second Compression Ring Thickness: 5/64 in |
| Oil Ring Thickness: 3/16 in |
| Ring Outside Diameter: 4.360 |
| Aaiaid Part Number: BBPTM43638-030 |
| Part Number: M43638-030 |
| 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.









