FAST DELIVERY
Enginetech ST16253N Engine Valve Seat - 4 Pack for Chevrolet and Hummer Models
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Engine Valve Seat - 4 Pack
The Enginetech ST16253N Engine Valve Seat set includes four high-quality components designed to ensure precise sealing and optimal engine performance. Crafted from durable Nickel/Cobalt material, these valve seats eliminate gaps in the valve train, contributing to improved compression and efficiency. With an outside diameter of 1.63 inches and a seat angle of 45 degrees, they are engineered for a reliable fit in a variety of engines. These valve seats are specifically suitable for a range of Chevrolet Blazer models from 1989 to 1994, as well as 1990 and 1991 Chevrolet C1500 trucks, and 1995 AM General Hummer, making them a versatile choice for engine rebuilds and repairs.
Enginetech has been family-owned and operated since 1982, specializing in high-quality engine parts tailored for professional rebuilders and enthusiasts alike. Our products are designed to meet the rigorous demands of engine rebuilding, ensuring longevity and performance. The ST16253N valve seats are distributed nationwide, backed by exceptional customer service, and engineered with precision to fit specific applications. Whether you're restoring a classic engine or performing routine maintenance, these valve seats provide a dependable solution for restoring engine integrity.
Each set is manufactured to strict standards, offering excellent durability and resistance to heat and wear. The nickel/cobalt composition ensures the seats withstand high temperatures and pressures typical in engine operation. Easy to install, these valve seats help maintain proper valve sealing, which is critical for engine efficiency and longevity. Trust Enginetech’s commitment to quality and performance for your engine rebuilding needs.
Features:
- Material: Nickel/Cobalt for durability and heat resistance
- Outside Diameter: 1.63 inches for precise fit
- Seat Angle: 45 degrees to ensure optimal sealing
- Set includes four valve seats for comprehensive replacement
- Designed to fit Chevrolet Blazer, Chevrolet C1500, and Hummer models from 1989 to 1995
Fits Following Models:
1989 Chevrolet Blazer
1989 Chevrolet C1500
1989 Chevrolet C2500
1989 Chevrolet C3500
1989 Chevrolet G10
1989 Chevrolet G20
1989 Chevrolet G30
1989 Chevrolet K1500
1989 Chevrolet K2500
1989 Chevrolet K3500
1989 Chevrolet P20
1989 Chevrolet P30
1989 Chevrolet R1500 Suburban
1989 Chevrolet R2500
1989 Chevrolet R2500 Suburban
1989 Chevrolet R3500
1989 Chevrolet V1500 Suburban
1989 Chevrolet V2500 Suburban
1989 Chevrolet V3500
1989 GMC C1500
1989 GMC C2500
1989 GMC C3500
1989 GMC G1500
1989 GMC G2500
1989 GMC G3500
1989 GMC Jimmy
1989 GMC K1500
1989 GMC K2500
1989 GMC K3500
1989 GMC P2500
1989 GMC P3500
1989 GMC R1500 Suburban
1989 GMC R2500
1989 GMC R2500 Suburban
1989 GMC R3500
1989 GMC V1500 Suburban
1989 GMC V2500 Suburban
1989 GMC V3500
1990 Chevrolet Blazer
1990 Chevrolet C1500
1990 Chevrolet C2500
1990 Chevrolet C3500
1990 Chevrolet G10
1990 Chevrolet G20
1990 Chevrolet G30
1990 Chevrolet K1500
1990 Chevrolet K2500
1990 Chevrolet K3500
1990 Chevrolet P30
1990 Chevrolet R1500 Suburban
1990 Chevrolet R2500 Suburban
1990 Chevrolet R3500
1990 Chevrolet V1500 Suburban
1990 Chevrolet V2500 Suburban
1990 Chevrolet V3500
1990 GMC C1500
1990 GMC C2500
1990 GMC C3500
1990 GMC G1500
1990 GMC G2500
1990 GMC G3500
1990 GMC Jimmy
1990 GMC K1500
1990 GMC K2500
1990 GMC K3500
1990 GMC P3500
1990 GMC R1500 Suburban
1990 GMC R2500 Suburban
1990 GMC R3500
1990 GMC V1500 Suburban
1990 GMC V2500 Suburban
1990 GMC V3500
1991 Chevrolet Blazer
1991 Chevrolet C1500
1991 Chevrolet C2500
1991 Chevrolet C3500
1991 Chevrolet G10
1991 Chevrolet G20
1991 Chevrolet G30
1991 Chevrolet K1500
1991 Chevrolet K2500
1991 Chevrolet K3500
1991 Chevrolet P30
1991 Chevrolet R1500 Suburban
1991 Chevrolet R2500 Suburban
1991 Chevrolet R3500
1991 Chevrolet V1500 Suburban
1991 Chevrolet V2500 Suburban
1991 Chevrolet V3500
1991 GMC C1500
1991 GMC C2500
1991 GMC C3500
1991 GMC G1500
1991 GMC G2500
1991 GMC G3500
1991 GMC Jimmy
1991 GMC K1500
1991 GMC K2500
1991 GMC K3500
1991 GMC P3500
1991 GMC R1500 Suburban
1991 GMC R2500 Suburban
1991 GMC R3500
1991 GMC V1500 Suburban
1991 GMC V2500 Suburban
1991 GMC V3500
1992 Chevrolet Blazer
1992 Chevrolet C1500
1992 Chevrolet C1500 Suburban
1992 Chevrolet C2500
1992 Chevrolet C2500 Suburban
1992 Chevrolet C3500
1992 Chevrolet G10
1992 Chevrolet G20
1992 Chevrolet G30
1992 Chevrolet K1500
1992 Chevrolet K1500 Suburban
1992 Chevrolet K2500
1992 Chevrolet K2500 Suburban
1992 Chevrolet K3500
1992 Chevrolet P30
1992 GMC C1500
1992 GMC C2500
1992 GMC C2500 Suburban
1992 GMC C3500
1992 GMC G1500
1992 GMC G2500
1992 GMC G3500
1992 GMC K1500
1992 GMC K1500 Suburban
1992 GMC K2500
1992 GMC K2500 Suburban
1992 GMC K3500
1992 GMC P3500
1992 GMC Yukon
1993 Chevrolet Blazer
1993 Chevrolet C1500
1993 Chevrolet C1500 Suburban
1993 Chevrolet C2500
1993 Chevrolet C2500 Suburban
1993 Chevrolet C3500
1993 Chevrolet G10
1993 Chevrolet G20
1993 Chevrolet G30
1993 Chevrolet K1500
1993 Chevrolet K1500 Suburban
1993 Chevrolet K2500
1993 Chevrolet K2500 Suburban
1993 Chevrolet K3500
1993 Chevrolet P30
1993 GMC C1500
1993 GMC C2500
1993 GMC C2500 Suburban
1993 GMC C3500
1993 GMC G1500
1993 GMC G2500
1993 GMC G3500
1993 GMC K1500
1993 GMC K1500 Suburban
1993 GMC K2500
1993 GMC K2500 Suburban
1993 GMC K3500
1993 GMC P3500
1993 GMC Yukon
1994 Chevrolet Blazer
1994 Chevrolet C1500
1994 Chevrolet C1500 Suburban
1994 Chevrolet C2500
1994 Chevrolet C2500 Suburban
1994 Chevrolet C3500
1994 Chevrolet G20
1994 Chevrolet G30
1994 Chevrolet K1500
1994 Chevrolet K1500 Suburban
1994 Chevrolet K2500
1994 Chevrolet K2500 Suburban
1994 Chevrolet K3500
1994 Chevrolet P30
1994 GMC C1500
1994 GMC C2500
1994 GMC C2500 Suburban
1994 GMC C3500
1994 GMC G2500
1994 GMC G3500
1994 GMC K1500
1994 GMC K1500 Suburban
1994 GMC K2500
1994 GMC K2500 Suburban
1994 GMC K3500
1994 GMC P3500
1994 GMC Yukon
1995 AM General Hummer
1995 Chevrolet C1500
1995 Chevrolet C1500 Suburban
1995 Chevrolet C2500
1995 Chevrolet C2500 Suburban
1995 Chevrolet C3500
1995 Chevrolet G20
1995 Chevrolet G30
1995 Chevrolet K1500
1995 Chevrolet K1500 Suburban
1995 Chevrolet K2500
1995 Chevrolet K2500 Suburban
1995 Chevrolet K3500
1995 Chevrolet P30
1995 Chevrolet Tahoe
1995 GMC C1500
1995 GMC C2500
1995 GMC C2500 Suburban
1995 GMC C3500
1995 GMC G2500
1995 GMC G3500
1995 GMC K1500
1995 GMC K1500 Suburban
1995 GMC K2500
1995 GMC K2500 Suburban
1995 GMC K3500
1995 GMC P3500
1995 GMC Yukon
| Material: Nickel/Cobalt |
| Outside Diameter: 1.6300 |
| Seat Angle: 45 |
| Aaiaid Part Number: BBPTST16253N |
| Part Number: ST16253N |
| 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.









