The Enginetech B3.8C is a rebuilder-style gasket kit for 1990-1994 Buick/Pontiac/Oldsmobile 3.8L 231ci V6 engines. The kit provides the head, intake, exhaust, timing cover, and valve cover gaskets needed for a full engine rebuild - rear main seal and valve stem seals are deliberately excluded, as rebuilders typically source these separately.
| Brand | Enginetech |
| Part Number | B3.8C |
| Type | Rebuilder Gasket Kit |
| Engine | 3.8L 231ci V6 |
| Head Bolts | Not included - source separately |
| Rear Main Seal | Not included |
| Valve Stem Seals | Not included |
| Country of Origin | US |
| UPC | 707473091510 |
| Weight | 2.25 lb |
Fitment: Confirmed for 1990-1994 88, 98, Bonneville, Delta 88, Electra, LeSabre and 7 additional applications with the 3.8L 231ci V6 engine.
Important Notes:
- This is a rebuilder-style gasket kit - REAR MAIN SEAL and VALVE STEM SEALS are NOT included. Source these two items separately based on engine specification.
- Head bolts are not included in this kit - use new torque-to-yield head bolts when installing.
- Plenum gasket is not included in this kit.
Quantity: Sold as one complete kit. One kit services one engine rebuild.
About Enginetech Rebuilder Gasket Kits: Enginetech rebuilder gasket kits are engineered for professional engine rebuilders and machine shops. Each kit includes the full complement of head, intake, exhaust, timing cover, oil pan, and valve cover gaskets needed for an engine rebuild - deliberately excluding rear main seals and valve stem seals, which most shops source separately based on preferred brand and application specifications. This catalog-stripped structure keeps rebuilder kit pricing aggressive for trade customers without sacrificing gasket quality or fitment accuracy. Paired with separately-sourced seals and head bolts where applicable, a rebuilder kit covers the full gasket scope for a complete engine overhaul.
WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or reproductive harm.
