Cat 312C-345C Excavator Cab Front Window Gas Spring 1674179

Fits Models At A Glance:

• Caterpillar Excavators – C Series: 312C, 315C, 318C, 319C, 320C, 322C, 325C, 330C, 330C L, 345C, 345C L
• Caterpillar Excavators – D Series: 312D, 315D L, 319D, 323D L, 323D LN, 324D, 324D L, 324D LN, 325D, 325D L, 329D L, 330D, 330D L, 330D LN, 330D MH, 336D L, 336D LN

Key Notes:

• Part Number(s): 1674179 (167-4179)
• Application: Gas spring assembly for the cab window group — assists the slide-up front window
• Serial Number Notes: Cataloged across the C and D series excavator cabs without a serial break.
• Quantity: Sold each — the front window uses two
• Condition: Aftermarket replacement part

Common Use Case or Symptoms:

Use when the front window will not stay up, slams down, or takes two hands to lift on a Cat 320C, 320D or 330D cab.

Why Choose Broken Tractor:

• ✅ 28 excavators, one strut — Cat used the same gas spring on the C and D series cab window from the 312C to the 345C L.
• ✅ Order two, do the job once — Both struts age together — we note the pair so the window stays balanced.
• ✅ Fast Shipping from a U.S.-Based Team — ready to ship from our U.S. warehouses.