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- Description
- Fitment
- Warranty and Refund
- Reviews
The Enginetech EM4355 Engine Exhaust Valve is designed to deliver reliable performance and durability for your Nissan vehicle. Crafted from premium OE-grade materials, including Stellite and a chrome-plated stem, this valve ensures optimal heat resistance and longevity. Its precise construction guarantees proper fitment and efficient engine operation, making it an ideal choice for engine rebuilds and repairs. The valve features a head diameter of 1.232 inches and an overall length of approximately 3.89 inches, with a single lock groove for secure installation. The stem diameter measures 7.00 mm, providing a perfect match for compatible engine components. Built for high-performance demands, the EM4355 is engineered specifically for Nissan models such as the 2004 Nissan Frontier, 2004 Nissan Xterra, and several 1998-2003 Nissan Altimas and Frontiers. This comprehensive design ensures compatibility and ease of installation, making it a reliable part for maintaining or restoring engine efficiency. Enginetech’s commitment to quality and customer satisfaction is reflected in every valve, which is manufactured with precision and tested to meet or exceed OE standards. Whether you are rebuilding an engine or replacing worn components, the EM4355 Engine Exhaust Valve offers the durability and performance necessary to keep your Nissan running smoothly. Trust Enginetech for high-quality engine parts backed by decades of expertise and a focus on customer service excellence.
Features:
- Material: Stellite and chrome stem for heat resistance and durability
- Valve head diameter: 1.232 inches for optimal fit and performance
- Overall length: approximately 3.89 inches for proper clearance
- Lock groove quantity: 1 for secure installation
- Stem diameter: 7.00 mm to match OE specifications
- Designed specifically for Nissan models including Frontier, Xterra, and Altima from 1998 to 2004
Fits Following Models:
1998 Nissan Altima
1998 Nissan Frontier
1999 Nissan Altima
1999 Nissan Frontier
2000 Nissan Frontier
2000 Nissan Xterra
2001 Nissan Frontier
2001 Nissan Xterra
2002 Nissan Frontier
2002 Nissan Xterra
2003 Nissan Frontier
2003 Nissan Xterra
2004 Nissan Frontier
2004 Nissan Xterra
| Material: Stellite, Chrome Stem |
| Valve Head Diameter: 1.232 in |
| Length: 3.889 in |
| Lock Groove Quantity: 1 |
| Stem Diameter: 7.00 mm |
| Aaiaid Part Number: BBPTEM4355 |
| Part Number: EM4355 |
| 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.









