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acdelco rc27 15 p.s.i. radiator cap: genuine gm original equipment logo

ACDelco RC27 15 P.S.I. Radiator Cap: Genuine GM Original Equipment Review

5

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
🔧 Automotive Replacement Caps, 🛠️ Replacement Parts

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Details

BrandACDelco
ExteriorMachined
Item Dimensions LxWxH2.5 x 2.4 x 1.5 inches
Item Weight0.1 Pounds

Description of ACDelco RC27 15 P.S.I. Radiator Cap: Genuine GM Original Equipment

Fit most models of gm vehicles on the road today for more coverage. Seal and pressurize your vehicle’s cooling system as the radiator transfers heat from the engine’s coolant to the outside air. Professional, premium aftermarket replacement radiator cap. Provides the performance and dependability you expect from acdelco. Manufactured to meet expectations for fit, form, and function. Fit type: Vehicle Specific.

Reviews

Global ratings 5
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Type of review

Revainrating 5 out of 5

A perfect fit for 1989 Cadillac Sedan DeVille

Fits 1989 Cadillac Sedan DeVille with 4.5 liter V8 engine. Perfect fit and seal! Fixed boiling issues in my return tank and I no longer have trouble cooling the car. Great product and great fit! Highly recommended!

Pros
  • Provides the performance and reliability you've come to expect from acdelco
Cons
  • I will add later

Revainrating 5 out of 5

2002 Impala 3.4L is best in caps

I had a cooling problem in my 2002 Impala so I have everything checked; Hoses, radiator, cylinder head gasket, gaskets. Everything was fine and I couldn't figure out why my radiator was leaking liquid, but there were no visible leaks. I ordered this cover, put it on and now the liquid level is normal, there are no problems with cooling.

Pros
  • Seal and pressurize your car's cooling system as the radiator transfers heat from the engine coolant to the outside air
Cons
  • Some minor things

Revainrating 5 out of 5

I have a 1998 Chevy K1500 Z71 1/2 Ton Silverado Truck

Fits and performs better than any other generic aftermarket. I tried one from the auto shop and it didn't fit. This is the only way to avoid wasting money on inferior baseball caps. Perfect fit for my replacement original AC Delco heatsink that I purchased. I have a 1998 Chevy K1500 Z71 1/2 Ton Silverado Truck.

Pros
  • Built to meet expectations for fit, form and function
Cons
  • Appearance

Revainrating 5 out of 5

ACDelco RC27 Professional Radiator Cap

Perfect fit and functionality. I used this radiator cap to replace the Stant brand cap that was on my 1990 Chevy truck and I like the Delco brand much better. It's easy to see that the Delco brand is better made than other aftermarket brands. In many cases I have found that OEM is usually the best choice. So here it was.

Pros
  • Professional Aftermarket Premium Radiator Cap
Cons
  • Unreliable

Revainrating 5 out of 5

OEM or high quality duplicate

I bought this cap as a first step in finding out why my mother's 18 year old Buick was losing coolant. No trace of coolant on the radiator or anywhere else in the engine compartment, no odors or fumes, no puddles under the car. Just a low level of coolant in the radiator and coolant expansion tank. I took off the old factory cap, filled the radiator and installed this new cap. There was no more coolant loss within 3 weeks of installing the new cap. The problem is solved? The time will show. The

Pros
  • Fits most GM vehicles on the road today for better coverage
Cons
  • Crumpled