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Enginetech R43518-STD Engine Cast Iron Piston Ring Set for Pontiac and Buick Models
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Cast Iron Piston Ring Complete Set
The Enginetech R43518-STD engine cast iron piston ring set offers a reliable solution for restoring engine performance in various Pontiac and Buick models from the late 1970s. Crafted with precision and engineered specifically for engine rebuilders, these rings ensure optimal sealing and combustion efficiency. The set includes top and second compression rings with a thickness of 5/64 inch, along with a 3/16 inch oil ring, all designed to meet SAE guidelines for consistent end gaps. The outside diameter of the rings measures approximately 4.351 inches, making them suitable for specific vintage engines. Using high-quality materials, these piston rings provide durability and long-lasting performance, essential for restoring power and efficiency to your engine.
This complete set is ideal for professionals and hobbyists alike, offering a seamless fit for engines in models such as the 1977-1979 Pontiac Grand Safari, Buick Century, Electra, Estate Wagon, and LeSabre. Enginetech’s commitment to quality ensures each set is manufactured to exact specifications, helping reduce emissions, improve compression, and extend engine life. Installation of these rings can enhance compression sealing, reduce oil consumption, and restore engine power, making them an excellent choice for rebuild projects or engine repairs. Whether you're restoring a classic muscle car or maintaining vintage vehicles, the R43518-STD set delivers dependable performance and peace of mind.
Trust Enginetech, a family-owned company since 1982, for high-quality engine parts backed by excellent customer service. Designed for engine builders who demand precision and durability, these piston rings are an essential component for maintaining the performance and longevity of your engine.
Features:
- Top Compression Ring Thickness: 5/64 inch
- Second Compression Ring Thickness: 5/64 inch
- Oil Ring Thickness: 3/16 inch
- Ring Outside Diameter: 4.351 inches
- Engine rebuild compatible for 1977-1979 Pontiac and Buick models
- Engineered for durability and optimal sealing
- Manufactured to meet SAE guidelines for consistent end gaps
- Compatible with vintage engine rebuild projects
- High-quality cast iron construction for long-lasting performance
Fits Following Models:
1977 Buick Century
1977 Buick Electra
1977 Buick Estate Wagon
1977 Buick LeSabre
1977 Buick Riviera
1977 Oldsmobile 98
1977 Oldsmobile Custom Cruiser
1977 Oldsmobile Cutlass
1977 Oldsmobile Cutlass Salon
1977 Oldsmobile Cutlass Supreme
1977 Oldsmobile Delta 88
1977 Oldsmobile Toronado
1977 Pontiac Bonneville
1977 Pontiac Catalina
1977 Pontiac Firebird
1977 Pontiac Grand LeMans
1977 Pontiac Grand Prix
1977 Pontiac Grand Safari
1977 Pontiac LeMans
1978 Buick Electra
1978 Buick Estate Wagon
1978 Buick LeSabre
1978 Buick Riviera
1978 Oldsmobile 98
1978 Oldsmobile Custom Cruiser
1978 Oldsmobile Delta 88
1978 Oldsmobile Toronado
1978 Pontiac Bonneville
1978 Pontiac Catalina
1978 Pontiac Firebird
1978 Pontiac Grand Safari
1979 Buick Electra
1979 Buick Estate Wagon
1979 Oldsmobile 98
1979 Oldsmobile Custom Cruiser
1979 Oldsmobile Delta 88
1979 Pontiac Bonneville
1979 Pontiac Catalina
1979 Pontiac Firebird
| Top Compression Ring Thickness: 5/64 in |
| Second Compression Ring Thickness: 5/64 in |
| Oil Ring Thickness: 3/16 in |
| Ring Outside Diameter: 4.351 |
| Aaiaid Part Number: BBPTR43518-STD |
| Part Number: R43518-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.









