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Dodge Coolant Overflow Cap - image

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2010_Dodge_Ram_3500_Diesel_Overflow_Cap.stl
STL
275.0 KB
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STL fileRoleSource sizeNylon / PETG 20%Nylon / PETG 40%100% solidRecommendation
2010_Dodge_Ram_3500_Diesel_Overflow_Cap.stlCover / cap275.0 KB STLSlice fileSlice fileSlice fileUse Nylon / PETG; check sealing faces and verify in slicer.

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Mechanical/Functional

Dodge Coolant Overflow Cap

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Description

A co-worker lost the cap to the coolant reservoir on his 2010 Dodge Ram 3500 6.7L Diesel truck. He could not find the CORRECT part anywhere- all of the caps sold online were the same part number- and all too small for his overflow tank's opening. The washer fluid tank used the same exact lid, so he brought that to me to copy. I managed to get a good fit on the 2nd try. I suggest printing in Nylon. I used Taulman Nylon 645. It's flexible enough to fold in half as it needs to, heat resistant, and tough. June 2019 update: 12 months on, my co-worker says the hinge of this cap is still intact, the cap still fits snugly after several openings & closings, and the entire piece has withstood the Florida heat & humidity thus far.

Compatible Cars

Published Jun 29, 2026Updated Jul 15, 2026

Originally published on thingiverse.com by Bill Connelly (Dingoboy71) · License: CC BY

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