Description
Oil Filler Cap 1.750in
Product Overview
Description: Adjustable oil filler cap designed for a 1‑3/4″ (1.75″ / 4.4 cm) diameter filler neck. Features a grooved rubber seal that expands to form a tight, positive lock, preventing dirt and moisture ingress.
Equivalent Cross‑Reference Numbers
23‑44027
54047
44027‑10
72545
Heavy‑Duty & Commercial Vehicle Engines
Designed for heavy-duty truck engines, specifically Freightliner, Peterbilt, and Kenworth, which utilize a 1¾ in (4.45 cm) oil filler tube—offering a robust OEM-level sealing solution.
Commonly used in commercial vehicle engine service and maintenance to securely close the oil filler opening and prevent contamination.
Cross‑Referenced Part Numbers & Common Use Cases
The 431098 cap cross-references (and fits engines originally equipped with) these part numbers:
Engine Families & General Fitment 🚚
Detroit Diesel Based Engines: Including those using filler caps referenced by Detroit part 5120098
General Heavy-Duty Diesel Engines: Many OEM specs align with the 1¾″ filler tubes, making this cap suitable for unspecified industrial, generator, and off-road diesel engines
.png/:/rs=w:300,h:300,m/cr=w:300,h:300,a=cc)
Reviews
There are no reviews yet.