Product Description
Genuine GM 12668614 Oil Filler Tube – Gen V LT Engines
Fits 2014+ LT1 LT4 L83 L86 L8B 5.3L 6.2L 6.6L | Includes O-Ring
The Genuine GM 12668614 Oil Filler Tube is the correct OEM replacement for damaged or missing oil fill tubes on Gen V LT-based V8 engines. Engineered and validated by General Motors, this filler tube delivers the exact fit, sealing performance, and durability expected from factory components. It installs directly into the valve cover and includes a new sealing O-ring to ensure proper oil sealing. This tube is designed for LT1, LT4, L83, L86, and L8B engines and is commonly used on many 2014+ GM truck, SUV, and performance applications. Oil filler cap is not included.
Key Features & Benefits
- Genuine GM OE Component – Manufactured and validated by General Motors to provide factory-level fit, sealing, and durability.
- Direct Replacement Oil Fill Tube – Perfect for replacing cracked, damaged, or missing factory oil filler tubes on Gen V LT engines.
- Includes New Sealing O-Ring – Ensures proper sealing between the filler tube and valve cover to prevent oil leaks.
- Factory Fitment and Function – Designed to match original GM specifications for easy installation and long service life.
- Wide Gen V LT Compatibility – Fits many LT1, LT4, L83, L86, and L8B engines used in GM trucks, SUVs, and performance vehicles.
Notes & Installation Information
- Includes new sealing O-ring.
- Oil filler cap not included.
- Will NOT fit L84, L87, or L82 engines (see GM part number 12691785 for those applications).
Key Fitments (Gasoline V8 Models)
- CADILLAC CT5 2022-2026
- CADILLAC CTS 2016-2019
- CADILLAC ESCALADE 2015-2020
- CHEVROLET CAMARO 2016-2024
- CHEVROLET CORVETTE 2014-2019
- CHEVROLET LCF 2020-2026
- CHEVROLET SILVERADO 1500 2014-2019
- CHEVROLET SILVERADO 2500 2020-2026
- CHEVROLET SILVERADO 3500 2020-2026
- CHEVROLET SUBURBAN 2015-2020
- CHEVROLET TAHOE 2015-2020
- GMC SIERRA 1500 2014-2018
- GMC SIERRA 1500 LIMITED 2019
- GMC SIERRA 2500 2020-2026
- GMC SIERRA 3500 2020-2026
- GMC YUKON 2015-2020
- GMC YUKON XL 2015-2020
