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Enginetech P4609(4).50 Engine Piston Set Without Rings for Nissan 240SX and Altima
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Piston Set - without Rings
The Enginetech P4609(4).50 engine piston set is a high-quality replacement component designed specifically for various Nissan models, including the 1991 to 1998 Nissan 240SX and the 1993 to 1994 Nissan Altima. Crafted with precision, this piston set ensures optimal engine performance and durability by matching weights for perfect balance and adherence to strict manufacturing standards. It is an essential part for rebuilders and automotive professionals seeking reliable components for engine restoration or upgrades.
Constructed without rings, the piston features a top compression ring thickness of 1.50 mm, a second compression ring of 1.50 mm, and an oil ring thickness of 2.80 mm, providing excellent sealing and oil control. The piston pin outside diameter measures 0.8268 inches, ensuring a proper fit within the engine assembly. Its bore diameter is 3.504 inches, with a compression height of 1.339 inches, tailored to fit specific Nissan engine configurations. Designed for precision and performance, this piston set is engineered to withstand demanding driving conditions and extend engine life.
Manufactured by Enginetech, a trusted name in engine parts since 1982, this piston set is ideal for engine rebuilders and mechanics aiming for high-quality, reliable components. The set is part of Enginetech's comprehensive product line, which includes complete engine kits and individual components suitable for both import and domestic engines. Experience the quality and craftsmanship that Enginetech offers, backed by nationwide distribution and exceptional customer service. Whether restoring or upgrading your engine, the P4609(4).50 piston set provides the performance and reliability you need for a successful rebuild.
Features:
- Matched weights for perfect engine balance
- Top compression ring thickness: 1.50 mm
- Second compression ring thickness: 1.50 mm
- Oil ring thickness: 2.80 mm
- Piston pin outside diameter: 0.8268 inches
- Bore diameter: 3.504 inches
- Compression height: 1.339 inches
- Engine compatible with 1991-1998 Nissan 240SX and 1993-1994 Nissan Altima
Fits Following Models:
1991 Nissan 240SX
1992 Nissan 240SX
1993 Nissan 240SX
1993 Nissan Altima
1994 Nissan 240SX
1994 Nissan Altima
1995 Nissan 240SX
1995 Nissan Altima
1996 Nissan 240SX
1996 Nissan Altima
1997 Nissan 240SX
1997 Nissan Altima
1998 Nissan 240SX
| Top Compression Ring Thickness: 1.50 mm |
| Second Compression Ring Thickness: 1.50 mm |
| Oil Ring Thickness: 2.80 mm |
| Piston Pin Outside Diameter: 0.8268 |
| Bore Diameter: 3.504 |
| Compression Height: 1.339 |
| Aaiaid Part Number: BBPTP4609(4).50 |
| Part Number: P4609(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.









