


🛠️ Keep your GM running cooler, longer — the original choice for peak performance!
The ACDelco GM Original Equipment RC85 Radiator Cap is a vehicle-specific, stainless steel component designed to maintain 15 P.S.I. pressure in the cooling system. It raises the boiling point of engine coolant, enhancing efficiency and safety. Recommended by GM as a direct factory replacement, it offers proven durability and reliability, backed by rigorous testing and high customer satisfaction.





| ASIN | B000C9S78G |
| Best Sellers Rank | #46,789 in Automotive ( See Top 100 in Automotive ) #35 in Automotive Radiator Caps Standard |
| Brand | ACDelco |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,422) |
| Date First Available | 1 January 2024 |
| Exterior | Stainless Steel |
| Item Weight | 63.5 g |
| Item model number | RC85 |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 15042975 |
| Model | ACDelco - 15 P.S.I. Radia (Slp) (RC85) |
| OEM Part Number | 15042975 |
| Product Dimensions | 6.35 x 6.1 x 3.81 cm; 63.5 g |
W**H
منتج ممتاز
L**N
PRODUCTO ORIGINAL
A**R
Did a great job looks like the factory original
F**R
Perfect replacement cap for the old Buick! Works as intended. Good fit
S**Z
Awesome product
は**ぞ
ハマーh3 3、5リットルのラジエーターにピッタリあいました。
Trustpilot
2 weeks ago
3 weeks ago