FAST DELIVERY
Enginetech BB603J040 Engine Full Connecting Rod Bearing Set for Domestic and Import Engines
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Since 1982, Enginetech has been a trusted name in high-quality engine parts, catering to engine rebuilders nationwide. The BB603J040 Engine Full Connecting Rod Bearing Set is engineered to deliver optimal performance and durability for both domestic and import engines. Designed with precision, these bearings contribute to smoother engine operation and reliable performance during demanding driving conditions. Our bearings are crafted to meet exact specifications, ensuring easy installation and long-lasting service life, making them an ideal choice for professional rebuilders and enthusiasts alike.
The BB603J040 set features a width of 0.734 inches, providing a perfect fit for a variety of engine configurations. Built with quality materials, these bearings reduce friction and wear, contributing to improved engine efficiency and extended engine life. Whether you're restoring an older engine or building a new one from scratch, these bearings provide the dependable quality you expect from Enginetech.
As part of our comprehensive product line, the BB603J040 bearings are supported by our commitment to excellent customer service and nationwide distribution. Trust Enginetech to supply the components you need for a successful engine rebuild, backed by years of industry experience and a passion for quality. Proper installation and compatibility ensure that your engine performs at its best, whether in a daily driver or a high-performance application.
Features:
- Engine full connecting rod bearing set designed for high performance and durability
- Precision-engineered for easy installation and reliable fit
- Constructed with quality materials to reduce friction and wear
- Suitable for both domestic and import engine rebuilds
- Width of 0.734 inches ensures proper clearance and fitment
| Width: 0.734 in |
| Aaiaid Part Number: BBPTBB603J040 |
| Part Number: BB603J040 |
| 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.









