🔥 Keep your GM running cool and confident — don’t let your ride miss out!
The ACDelco GM Original Equipment RC27 Radiator Fill Cap is a premium, vehicle-specific replacement part designed to seal and pressurize your cooling system. Built to OEM standards with durable plastic-metal construction and a sleek machined finish, it fits most GM cars, SUVs, and trucks, ensuring optimal engine temperature control and reliable performance.
| Brand | ACDelco |
| Color | Silver |
| Material | Plastic Metal |
| Exterior Finish | Machined |
| Item dimensions L x W x H | 2.5 x 2.4 x 1.5 inches |
| Vehicle Service Type | Car,Suv,Truck |
| Style | Professional |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number | 10409635 |
| Manufacturer | ACDelco |
| UPC | 036666946543 |
| Global Trade Identification Number | 00036666946543 |
| Model | 10409635 |
| Item Weight | 2.08 ounces |
| Product Dimensions | 2.5 x 2.4 x 1.5 inches |
| Item model number | RC27 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 10409635 |
| National Stock Number | 2930-01-218-8397 |
R**S
It is a OEM part and fits perfectly
Exact part for auto... It works exactly as it should...
S**I
Oem replacement
Exact fit as advertised. Oem quality. Great price. Easy to install and looks good. Oem fit and quality. No more leaking.
L**M
Good fit
Works great on my 1992 Chevy s10 truck
G**A
The Correct Radiator Cap
Great and correct, do not buy junk!
M**.
Fits and Works Great!
Working well for a 1995 Corvette.
J**H
Just what i was needing.
Great radiator cap. My old one the spring got weak ans was letting water push into the overflow tank. This is stainless steel and has a strong spring. Worked perfectly!
R**E
1998 Chevy
Fits my 1998 Chevy Silverado.
B**L
Fit great
Got great perfect replacement
