🛠️ Keep your GM running cool with precision pressure control!
The ACDelco GM Original Equipment RC85 Radiator Cap is a vehicle-specific, 15 P.S.I. rated pressure cap designed to maintain optimal cooling system pressure. Recommended by GM as a direct replacement, it raises the boiling point of engine coolant to enhance performance and prevent overheating. Built with durable stainless steel and engineered for a perfect fit, this cap ensures safety, reliability, and longevity for your GM vehicle’s cooling system.
| Brand | ACDelco |
| Color | Black |
| Exterior Finish | Stainless Steel |
| Item dimensions L x W x H | 2.5 x 2.4 x 1.5 inches |
| Vehicle Service Type | Car |
| Style | Safety |
| Item Weight | 2.24 ounces |
| Closure Type | Twist-On |
| Automotive Fit Type | Vehicle Specific Fit |
| OEM Part Number | 15042975 |
| Manufacturer | ACDelco |
| UPC | 021625403168 781761172440 |
| Global Trade Identification Number | 00021625403168, 20021625403162 |
| Model | ACDelco - 15 P.S.I. Radia (Slp) (RC85) |
| Product Dimensions | 2.5 x 2.4 x 1.5 inches |
| Item model number | RC85 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | RC85 |
B**C
Nothing better than OEM
Why did you pick this product vs others?:Fit perfectly. Old OEM cap had almost 360,000 miles on it. Was causing an issue with not allowing the radiator to build up proper compression. Once installed, problem went away. I would always recommend OEM when possible.
T**.
Excellent replacement.
Replacement radiator cap for my Colorado. Worked like the OEM unit. Good price and received over nite. Prime is awesome.
E**Z
Good quality
Works amazing for my 05 Impala! 3.4
P**.
No more overheating.
Perfect fit. First time I ever had a pressure go bad. I wasted a lot of time and money replacing both thermostat and water pump before I discovered my problem was the pressure cap.
R**S
Description match perfectly
Good 👍
S**.
It fit
It looks like the original and seems to be working
D**G
Great product
fit like oem no more overheat thanks work on buick 3.8L
W**S
Original parts, A-1
OE is best. Avoid the restEdit: but it weeps when engine is hot.
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