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Enginetech P1594(4).50 Engine Piston Set Without Rings for Toyota 4Runner, Celica, Corona, and Pickup
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Piston Set - without Rings
The Enginetech P1594(4).50 Engine Piston Set is designed to deliver reliable performance for a range of Toyota models from the early 1980s. This high-quality piston set is engineered specifically for engine rebuilds, ensuring precision fit and durability. Compatible with select 1981-1984 Toyota vehicles, including the 4Runner, Celica, Corona, and Pickup, this set provides a crucial component for restoring engine power and efficiency. Each piston is matched for weight to ensure perfect balance, reducing vibrations and promoting smooth operation during engine use.
The piston set features a top compression ring thickness of 2.00 mm, a second compression ring thickness of 2.50 mm, and an oil ring thickness of 4.00 mm. The bore diameter measures approximately 3.622 inches, with a compression height of 1.788 inches. The piston pin outside diameter is 0.8665 inches, ensuring proper fitment with the engine's connecting rods. Designed without rings, this set allows for the installation of new rings suited to your specific rebuild needs, maintaining optimal compression and oil control.
Enginetech has been family owned and operated since 1982, focusing on providing high-quality engine parts tailored for engine builders and rebuilders. Their parts are engineered with precision to meet the demands of both import and domestic engines, ensuring longevity and reliable performance. With nationwide distribution and dedicated customer service, Enginetech remains a trusted source for engine components, emphasizing quality and customer satisfaction in every product. This piston set is an essential part for professional rebuilds or DIY engine restoration projects, offering the compatibility and performance needed to bring your engine back to life.
Features:
- Matched weights for perfect balance
- Top compression ring thickness: 2.00 mm
- Second compression ring thickness: 2.50 mm
- Oil ring thickness: 4.00 mm
- Piston pin outside diameter: 0.8665 inches
- Bore diameter: approximately 3.622 inches
- Compression height: 1.788 inches
- Engine rebuild compatibility for Toyota models from 1981-1984
- Designed without rings for customizable installation
- Engineered for durability and reliable performance
Fits Following Models:
1981 Toyota Celica
1981 Toyota Corona
1981 Toyota Pickup
1982 Toyota Celica
1982 Toyota Corona
1982 Toyota Pickup
1983 Toyota Celica
1983 Toyota Pickup
1984 Toyota 4Runner
1984 Toyota Celica
1984 Toyota Pickup
| Top Compression Ring Thickness: 2.00 mm |
| Second Compression Ring Thickness: 2.50 mm |
| Oil Ring Thickness: 4.00 mm |
| Piston Pin Outside Diameter: 0.8665 |
| Bore Diameter: 3.622 |
| Compression Height: 1.788 |
| Aaiaid Part Number: BBPTP1594(4).50 |
| Part Number: P1594(4).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.









