2019-2025 Silverado Sierra 1500 CT4 CT5 Fuel Tank Lock Ring Genuine OEM
This Genuine OEM fuel tank sending unit lock ring is a direct-fit replacement designed for the 2019–2025 Chevrolet Silverado 1500, 2019–2025 GMC Sierra 1500, 2020–2025 Cadillac CT4, 2020–2025 Cadillac CT5, 2025 Chevrolet Equinox, 2025 GMC Terrain, and 2024 GMC Sierra 2500 HD. Engineered to factory specifications, it ensures a secure fuel tank sending unit seal with a perfect OEM fit.
This is a Genuine OEM GM part. Compatible with the 1.5L L4 Gas, 2.0L L4 Gas, 2.7L L4 Gas, 3.0L L6 Diesel, 3.0L V6 Gas, 3.6L V6 Gas, 4.3L V6 Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas, and 6.6L V8 Diesel engines across all trim levels including WT, Custom, Custom Trail Boss, LT, LT Trail Boss, RST, LTZ, High Country, ZR2, PPV, SSV, Pro, Elevation, SLE, SLT, AT4, AT4X, Denali, Denali Ultimate, Luxury, Premium Luxury, Sport, V, V Blackwing, Base, and ACTIV variants.
Quick Part Facts
- Condition: New
- Genuine OEM Part
- Type: Fuel Tank Sending Unit Lock Ring
- Engine: 1.5L L4 Gas, 2.0L L4 Gas, 2.7L L4 Gas, 3.0L L6 Diesel, 3.0L V6 Gas, 3.6L V6 Gas, 4.3L V6 Gas, 5.3L V8 Flex/Gas, 6.2L V8 Gas, 6.6L V8 Diesel
- Fits: 2019-2025 Silverado 1500, 2019-2025 Sierra 1500, 2020-2025 Cadillac CT4, 2020-2025 Cadillac CT5, 2025 Equinox, 2025 Terrain, 2024 Sierra 2500 HD
Fitment Chart
| Year | Make | Model | Trim / Engine |
|---|---|---|---|
| 2025 | Cadillac | CT4 | Luxury, Premium Luxury, Sport, V, V Blackwing / 2.0L L4 Gas, 2.7L L4 Gas, 3.6L V6 Gas |
| 2025 | Cadillac | CT5 | Premium Luxury, Sport, V, V Blackwing / 2.0L L4 Gas, 3.0L V6 Gas, 6.2L V8 Gas |
| 2025 | Chevrolet | Equinox | ACTIV, LT, RS / 1.5L L4 Gas |
| 2025 | Chevrolet | Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT, ZR2 / 2.7L L4 Gas, 3.0L L6 Diesel, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |
| 2025 | GMC | Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT / 2.7L L4 Gas, 3.0L L6 Diesel, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |
| 2025 | GMC | Terrain | Elevation / 1.5L L4 Gas |
| 2024 | Cadillac | CT4 | Luxury, Premium Luxury, Sport, V, V Blackwing / 2.0L L4 Gas, 2.7L L4 Gas, 3.6L V6 Gas |
| 2024 | Cadillac | CT5 | Luxury, Premium Luxury, Sport, V, V Blackwing / 2.0L L4 Gas, 3.0L V6 Gas, 6.2L V8 Gas |
| 2024 | Chevrolet | Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT, ZR2 / 2.7L L4 Gas, 3.0L L6 Diesel, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |
| 2024 | GMC | Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT / 2.7L L4 Gas, 3.0L L6 Diesel, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |
| 2024 | GMC | Sierra 2500 HD | Denali, Denali Ultimate / 6.6L V8 Diesel |
| 2023 | Cadillac | CT4 | Luxury, Premium Luxury, Sport, V, V Blackwing / 2.0L L4 Gas, 2.7L L4 Gas, 3.6L V6 Gas |
| 2023 | Cadillac | CT5 | Luxury, Premium Luxury, Sport, V, V Blackwing / 2.0L L4 Gas, 3.0L V6 Gas, 6.2L V8 Gas |
| 2023 | Chevrolet | Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT, ZR2 / 2.7L L4 Gas, 3.0L L6 Diesel, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |
| 2023 | GMC | Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT / 2.7L L4 Gas, 3.0L L6 Diesel, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |
| 2022 | Cadillac | CT4 | Luxury, Premium Luxury, Sport, V, V Blackwing / 2.0L L4 Gas, 2.7L L4 Gas, 3.6L V6 Gas |
| 2022 | Cadillac | CT5 | Luxury, Premium Luxury, Sport, V, V Blackwing / 2.0L L4 Gas, 3.0L V6 Gas, 6.2L V8 Gas |
| 2022 | Chevrolet | Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, WT, ZR2 / 2.7L L4 Gas, 3.0L L6 Diesel, 5.3L V8 Gas, 6.2L V8 Gas |
| 2022 | Chevrolet | Silverado 1500 LTD | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT / 2.7L L4 Gas, 3.0L L6 Diesel, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |
| 2022 | GMC | Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT / 2.7L L4 Gas, 3.0L L6 Diesel, 5.3L V8 Gas, 6.2L V8 Gas |
| 2022 | GMC | Sierra 1500 Limited | AT4, Denali, Elevation, Pro, SLE, SLT / 2.7L L4 Gas, 3.0L L6 Diesel, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |
| 2021 | Cadillac | CT4 | Luxury, Premium Luxury, Sport, V / 2.0L L4 Gas, 2.7L L4 Gas |
| 2021 | Cadillac | CT5 | Luxury, Premium Luxury, Sport, V / 2.0L L4 Gas, 3.0L V6 Gas |
| 2021 | Chevrolet | Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT / 2.7L L4 Gas, 3.0L L6 Diesel, 4.3L V6 Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |
| 2021 | GMC | Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT / 2.7L L4 Gas, 3.0L L6 Diesel, 4.3L V6 Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |
| 2020 | Cadillac | CT4 | Luxury, Premium Luxury, Sport, V / 2.0L L4 Gas, 2.7L L4 Gas |
| 2020 | Cadillac | CT5 | Luxury, Premium Luxury, Sport, V / 2.0L L4 Gas, 3.0L V6 Gas |
| 2020 | Chevrolet | Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT / 2.7L L4 Gas, 3.0L L6 Diesel, 4.3L V6 Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |
| 2020 | GMC | Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT / 2.7L L4 Gas, 3.0L L6 Diesel, 4.3L V6 Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |
| 2019 | Chevrolet | Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT / 2.7L L4 Gas, 4.3L V6 Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |
| 2019 | GMC | Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT / 2.7L L4 Gas, 4.3L V6 Gas, 5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas |



