OPGI.com works best with JavaScript enabled.
1‑800‑243‑8355

As seen on

  • V8TV Logo
  • Mecum Auctions Logo
Photo of Radiator Overflow Reservoir Cap, 1974 CH/EC/MC, 73-76 Cadillac
Illustrative Only

Radiator Overflow Reservoir Cap, 1974 CH/EC/MC, 73-76 Cadillac

Part# : M240165
Sold As: Each
Ship Size: Standard
Price Match: Eligible
Limited-Time Offer
$7.99
Save an extra 18%Use USA250 at checkout to see sale price
List Price: $9.95
Checkmark IconIn Stock
available for immediate delivery
Vehicle Specific View fitment for 6 models
Add To Wishlist 

Premium molded plastic cap

An excellent detail item

This authentically reproduced cap is ready for installation on your factory overflow bottle. Each cap is molded in opaque plastic and features the original style inlet and outlet as well as the raised letters, which read “Engine Coolant Only”.

Find Item In These Catalogs

  • 2025 Chevelle, El Camino 64-77 351
  • 2025 Monte Carlo 70-77 206
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1973–1976 Cadillac DeVille  
1973–1976 Cadillac Eldorado  
1973–1976 Cadillac Fleetwood  
1974 Chevrolet Chevelle  
1974 Chevrolet El Camino  
1974 Chevrolet Monte Carlo  
  • Headshot of OPGI Employee
    Have a Question? Chat with an Expert or Call 1‑800‑243‑8355
    Mon‑Fri 8:00‑4:30 PT Experts are currently offline
  • Low Prices. Price Match Guarantee
  • GM Automotive Experts. We know car parts
  • Guaranteed Fitment. 100% factory accurate
  • Superior Selection. Largest selection of in-stock parts

Customers Who Viewed This Item Also Viewed

Reviews (1)

UH OH! Product reviews didn't load.
Please reload the page, or unblock our review partner Yotpo.com.
Radiator Overflow Reservoir Cap, 1974 CH/EC/MC, 73-76 Cadillac
Radiator Overflow Reservoir Cap, 1974 CH/EC/MC, 73-76 Cadillac