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- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Piston Set - without Rings
The Enginetech Piston Set Part Number P5012(6).75 is designed to deliver reliable performance for a variety of GM and Isuzu vehicles, including models like the Chevrolet Trailblazer EXT, GMC Envoy XL, and Isuzu Ascender. Crafted with precision, this piston set is engineered to match OEM specifications, ensuring proper fit and optimal engine function. The set includes matched weights for perfect balance, which helps reduce engine vibration and wear, contributing to longer engine life and smoother operation.
Each piston in this set features a top compression ring thickness of 1.20 mm, a second compression ring thickness of 1.50 mm, and an oil ring thickness of 2.50 mm, providing effective sealing and oil control. The pistons are designed with a bore diameter of 3.661 inches and a compression height of 1.089 inches, aligning with specific engine configurations for precise performance. The piston pin outside diameter measures 0.9055 inches, ensuring compatibility with the engine's connecting rods. This set is ideal for engine rebuilders who seek high-quality components that meet the demands of both import and domestic engines.
Enginetech has been family owned and operated since 1982, specializing in high-quality engine parts for over four decades. Their products are engineered specifically for engine rebuilder needs, emphasizing durability and performance. The P5012(6).75 piston set is suitable for use in various 2002-2005 GM and Isuzu models, providing a reliable foundation for engine restoration projects. Whether you're restoring an engine to factory standards or enhancing performance, this piston set offers the quality and consistency that professional mechanics and enthusiasts require.
Features:
- Matched weights for perfect engine balance
- Top compression ring thickness: 1.20 mm
- Second compression ring thickness: 1.50 mm
- Oil ring thickness: 2.50 mm
- Piston pin outside diameter: 0.9055 inches
- Bore diameter: 3.661 inches
- Compression height: 1.089 inches
- Engine rebuild compatibility for GM and Isuzu models
Fits Following Models:
2002 Chevrolet Trailblazer
2002 Chevrolet Trailblazer EXT
2002 GMC Envoy
2002 GMC Envoy XL
2002 Oldsmobile Bravada
2003 Chevrolet Trailblazer
2003 Chevrolet Trailblazer EXT
2003 GMC Envoy
2003 GMC Envoy XL
2003 Isuzu Ascender
2003 Oldsmobile Bravada
2004 Buick Rainier
2004 Chevrolet Trailblazer
2004 Chevrolet Trailblazer EXT
2004 GMC Envoy
2004 GMC Envoy XL
2004 GMC Envoy XUV
2004 Isuzu Ascender
2004 Oldsmobile Bravada
2005 Buick Rainier
2005 Chevrolet Trailblazer
2005 Chevrolet Trailblazer EXT
2005 GMC Envoy
2005 GMC Envoy XL
2005 GMC Envoy XUV
2005 Isuzu Ascender
2005 Saab 9-7x
2006 Isuzu Ascender
| Top Compression Ring Thickness: 1.20 mm |
| Second Compression Ring Thickness: 1.50 mm |
| Oil Ring Thickness: 2.50 mm |
| Piston Pin Outside Diameter: 0.9055 |
| Bore Diameter: 3.661 |
| Compression Height: 1.089 |
| Aaiaid Part Number: BBPTP5012(6).75 |
| Part Number: P5012(6).75 |
| 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.









