Product Description
GM Genuine Parts 11546667 M16 x 1.5 Engine Oil Galley Plug for Gen V LT
Steel Tapered-Thread Oil Galley Plug – 16.25mm Long – Sold Individually
Seal the engine oil galley during a compatible Gen V LT engine repair or rebuild with GM Genuine Parts oil galley plug 11546667. Manufactured to GM specifications as a direct-replacement component, this steel engine plug features an M16 x 1.5 tapered thread and measures 16.25mm in length. Its application-specific dimensions provide the proper fit and sealing performance required for the supported Buick, Cadillac, Chevrolet and GMC vehicles listed below. GM 11546667 is supplied as one individual engine oil galley plug.
Key Features & Benefits
- Genuine GM Part Number 11546667: Manufactured as a GM Original Equipment replacement for the corresponding engine oil galley plug. The exact GM part number provides a clear reference when selecting a replacement component for a compatible Gen V LT engine repair, rebuild or service project.
- M16 x 1.5 Metric Thread: Features the specified M16 x 1.5 thread size required by the supported engine applications. Confirming the thread diameter and pitch is important when replacing an oil galley plug or selecting components for an engine block assembly.
- 16.25mm Plug Length: Measures 16.25mm long for application-specific installation in the corresponding oil galley opening. Its defined length and thread specifications help distinguish GM 11546667 from similar engine plugs that may use different dimensions.
- Steel Tapered-Thread Construction: Manufactured from steel for durability in engine service. The tapered thread design is intended to provide the proper engagement and sealing performance when installed in the designated oil galley location according to applicable service procedures.
- Sold Individually: Each purchase includes one GM 11546667 engine oil galley plug. This individual quantity is convenient for replacing a missing or damaged plug during engine maintenance, machine work, assembly or a complete Gen V LT rebuild.
Key Fitments
Buick
- Enclave (2025-2026)
- LaCrosse (2017-2019)
- Regal Sportback (2018-2020)
Cadillac
- ATS (2016-2019)
- CT4 (2020-2026)
- CT5 (2020-2026)
- CT6 (2016-2020)
- CTS (2016-2019)
- Escalade (2015-2026)
- XT4 (2019-2023)
- XT5 (2017-2026)
- XT6 (2020)
Chevrolet
- Blazer (2019-2020)
- Camaro (2016-2024)
- Colorado (2017-2020)
- Corvette (2014-2026)
- Express 2500 (2018-2026)
- Express 3500 (2018-2026)
- Express 4500 (2018-2026)
- LCF (2020-2026)
- Silverado 1500 (2014-2026)
- Silverado 1500 LTD (2022)
- Silverado 2500 HD (2017-2026)
- Silverado 3500 HD (2017-2026)
- Suburban (2015-2026)
- Tahoe (2015-2026)
- Traverse (2024-2026)
GMC
- Acadia (2017-2026)
- Canyon (2017-2020)
- Savana 2500 (2018-2026)
- Savana 3500 (2018-2026)
- Savana 4500 (2018-2026)
- Sierra 1500 (2014-2026)
- Sierra 1500 Limited (2019-2022)
- Sierra 2500 HD (2017-2026)
- Sierra 3500 HD (2017-2026)
- Yukon (2015-2026)
- Yukon XL (2015-2026)
