

⛽ Lock in efficiency, unlock your ride’s true potential!
The GT359 Fuel Tank Filler Cap is a GM-recommended, precision-engineered replacement designed specifically for FlexFuel vehicles. Featuring a bright yellow finish as a clear E85 compatibility indicator, it offers a secure, liquid-tight seal with a durable rubber gasket. Available in locking and non-locking versions, this cap meets GM OE specifications to ensure perfect fit, form, and function for your GM vehicle.





| Brand | GM Genuine Parts |
| Color | Yellow |
| Material | Rubber |
| Exterior Finish | Machined |
| Item dimensions L x W x H | 3.6 x 3.5 x 2.6 inches |
| Vehicle Service Type | FlexFuel vehicles |
| Style | Modern |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number | 22921366 |
| Manufacturer | ACDelco |
| UPC | 808709080107 |
| Global Trade Identification Number | 00808709080107 |
| Model | Fuel Tank Filler Cap |
| Item Weight | 2.39 ounces |
| Product Dimensions | 3.6 x 3.5 x 2.6 inches |
| Item model number | GT359 |
| Manufacturer Part Number | 22921366 |
H**K
Works fine.
Fits my 2015 Silverado dually with 6.0 gasoline engine.
D**D
Just like OEM
not sure if this is an OEM part but it might as well be. simple install and an exact replacement. works great
M**A
Perfect fit
Perfect fit for 2015 Tahoe.
D**N
Gas cover
Worked perfectly
P**B
Chevy Silverado 1500 WT V6 Gas Cap Replacement
OEM cap. On preliminary inspection seems to be of excellent quality. To early to give a detailed review on its performance. Will update my review at a later date.
O**N
Attachment string is very short
Cap is fine, it works. Line that attaches to it is to short.
N**.
Works on C6
Worked great on my modified C6 Corvette that runs on E85
T**.
Inexpensive replacement.
Appears to function like it is supposed to.
Trustpilot
Hace 2 meses
Hace 1 mes