ACDelco RC115 Surge Tank Radiator Overflow Cap – 20 PSI – 2011-2016 GM 6.6L Duramax LML – OEM
ACDelco RC115 Surge Tank Radiator Overflow Cap – 20 PSI – 2011-2016 GM 6.6L Duramax LML – OEM
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ACDelco RC115 Surge Tank Radiator Overflow Cap – 20 PSI – 2011-2016 GM 6.6L Duramax LML – OEM

4.5 stars out of 435 reviews
(4.5)|
1958 ratings

About this item

Small part, huge job.

AC Delco Surge Tank Radiator Overflow Cap 2011-2016 GM 6.6L

This ACDelco RC115 cap is the correct 20 PSI overflow cap for 2011-2016 Duramax LML trucks—Sierra and Silverado.

OEM ACDelco RC120 Surge Tank Radiator Overflow Cap 2017-2019 GM 6.6L

Screw-on style, includes a fresh seal, leak-tested from the factory.

GM 2013-2015 Spark CVT Expansion Surge tank / Radiator Overflow

Made in India but built to GM standards.

If your truck’s puking coolant or the cap’s original, swap this in and get your pressure back.

Sell AC Delco RC115 ROTO-SAFE Radiator Cap - NOS part # : 861854 in

OEM part number 13502509.

ACDelco 13576411 OE Fuel Injector Pigtail, 90 Degree, 2011-2016 GM 6.6

Brand new, 2-year warranty.

GM 13502509 / RC115 Surge Tank Radiator Overflow Cap 2011-2016 GM 6.6L

Keep that 6.6L cooling system happy.

$ 10.00
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4.5 out of 5 stars
stars1958 ratings435 reviews
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