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Enginetech Valve Stem Oil Seal Set – 25 Pack for Select GM and Isuzu Engines
Enginetech

Enginetech Valve Stem Oil Seal Set – 25 Pack for Select GM and Isuzu Engines

$34.99 In Stock Sold out
SKU: S420V-25
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100% ORIGINAL AND QUALITY

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  • Description
  • Fitment
  • Warranty and Refund
  • Reviews

Engine Valve Stem Oil Seal - 25 Pack

The Enginetech S420V-25 Engine Valve Stem Oil Seal set offers a reliable solution for engine rebuilders and mechanics seeking high-quality components. Designed specifically for engine professionals, this 25-pack includes Viton seals that provide excellent resistance to oil leaks and high temperatures, ensuring long-lasting performance. The seals feature an inside diameter of 0.380 inches and an outside diameter of 1.085 inches, making them compatible with various GM and Isuzu engines from the early 2000s. Crafted with a positive-tophat OE seal design, these seals help maintain proper valve operation and prevent oil from entering the combustion chamber, supporting optimal engine efficiency. The durable Viton material ensures the seals withstand extreme operating conditions, reducing the need for frequent replacements and minimizing engine downtime. These seals are ideal for rebuilding or repairing engines in models such as the 2002-2005 GMC Envoy, Chevrolet Trailblazer EXT, and Isuzu Ascender, providing peace of mind with a trusted OEM-style fit and function. Trust Enginetech’s commitment to quality and customer service, making us a preferred choice for engine builders nationwide. Incorporate the S420V-25 seals into your engine projects for a dependable, high-performance solution that meets the demands of professional rebuilding and repair tasks.

Features:

  • Material: Viton for excellent heat and oil resistance
  • Inside Diameter: 0.380 inches for precise fit
  • Outside Diameter: 1.085 inches for sealing efficiency
  • Seal Type: Positive-tophat OE design for reliable sealing
  • Pack Size: 25 seals suitable for multiple engine rebuilds
  • Designed for engine rebuilders and repair professionals
  • Compatible with select GM and Isuzu engines from 2002 to 2005

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
2007 Isuzu Ascender
2008 Isuzu Ascender

Features:
Material: Viton
Inside Diameter: 0.380
Outside Diameter: 1.085
Seal Type: Positive-Tophat-OE
Aaiaid Part Number: BBPTS420V-25
Part Number: S420V-25
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.

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