FAST DELIVERY
Enginetech Valve Stem Oil Seal Set (20 Pack) for Chevy Silverado and GMC Sierra
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Valve Stem Oil Seal - 20 Pack
Designed specifically for engine rebuilders, the Enginetech SG66V-20 Valve Stem Oil Seal set offers reliable performance for both import and domestic engines. Crafted from high-quality Viton material, these seals deliver excellent chemical resistance and durability under high temperatures. The positive-metal clad OE seal type ensures a secure fit and optimal sealing performance, reducing oil consumption and preventing leaks in valve stem assemblies. This 20-pack provides a cost-effective solution for engine maintenance professionals seeking quality parts that stand the test of time.
Engine valve stem seals are critical components in maintaining engine efficiency by preventing oil from entering the combustion chamber through the valve stems. The inside diameter of .425 inches and outside diameter of .572 inches make these seals compatible with a variety of engines, including popular Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD models from 2004 to 2007. Their precise dimensions and robust construction ensure a snug fit, minimizing wear and tear during engine operation. These seals are engineered to meet or exceed OEM standards, providing peace of mind during engine rebuilds or repairs.
Enginetech, a family-owned company since 1982, is committed to delivering high-quality engine parts backed by exceptional customer service. Their comprehensive product line supports a wide range of engine types, with a focus on durability and performance. Whether you are performing a full engine overhaul or replacing individual components, the SG66V-20 valve stem oil seals are an essential addition to your toolkit. Trust in Enginetech’s reputation for quality and precision to keep your engines running smoothly and efficiently.
Features:
- Material: Viton for high chemical and temperature resistance
- Inside Diameter: .425 inches ensures proper fit
- Outside Diameter: .572 inches provides effective sealing
- Seal Type: Positive-metal clad OE for durability and reliability
- Pack Size: 20 seals for economical maintenance and repairs
- Custom designed for engine rebuilders and professional mechanics
Fits Following Models:
2001 Chevrolet Silverado 2500 HD
2001 GMC Sierra 2500 HD
2001 GMC Sierra 3500
2002 Chevrolet Silverado 2500 HD
2002 GMC Sierra 2500 HD
2002 GMC Sierra 3500
2003 Chevrolet Silverado 2500 HD
2003 GMC Sierra 2500 HD
2003 GMC Sierra 3500
2004 Chevrolet Silverado 2500 HD
2004 GMC Sierra 2500 HD
2004 GMC Sierra 3500
2005 Chevrolet Silverado 2500 HD
2005 GMC Sierra 2500 HD
2005 GMC Sierra 3500
2006 Chevrolet Express 2500
2006 Chevrolet Express 3500
2006 Chevrolet Silverado 2500 HD
2006 GMC Savana 2500
2006 GMC Savana 3500
2006 GMC Sierra 2500 HD
2006 GMC Sierra 3500
2006 Hummer H1
2007 Chevrolet Express 2500
2007 Chevrolet Express 3500
2007 Chevrolet Silverado 2500 HD
2007 Chevrolet Silverado 2500 HD Classic
2007 Chevrolet Silverado 3500 Classic
2007 GMC Savana 2500
2007 GMC Savana 3500
2007 GMC Sierra 2500 HD
2008 Chevrolet Express 2500
2008 Chevrolet Express 3500
2008 Chevrolet Silverado 2500 HD
2008 GMC Savana 2500
2008 GMC Savana 3500
2008 GMC Sierra 2500 HD
2009 Chevrolet Express 2500
2009 Chevrolet Express 3500
2009 Chevrolet Silverado 2500 HD
2009 GMC Savana 2500
2009 GMC Savana 3500
2009 GMC Sierra 2500 HD
2010 Chevrolet Express 2500
2010 Chevrolet Express 3500
2010 Chevrolet Silverado 2500 HD
2010 GMC Savana 2500
2010 GMC Savana 3500
2010 GMC Sierra 2500 HD
| Material: Viton |
| Inside Diameter: .425 |
| Outside Diameter: .572 |
| Seal Type: Positive-Metal Clad-OE |
| Aaiaid Part Number: BBPTSG66V-20 |
| Part Number: SG66V-20 |
| 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.









