7Y3920 Horn for Caterpillar Equipment

The 7Y3920 horn is an alarm and horn component used on Caterpillar excavators and mobile hydraulic power units. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Caterpillar 311 Series: 311, 311B, 311C, 311D, 311F LRR
• Caterpillar 312 Series: 312B, 312C L, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 312E, 312E L
• Caterpillar 313 Series: 313B, 313D, 313D2, 313D2 LGP
• Caterpillar 314 Series: 314C, 314D CR, 314D LCR, 314E CR, 314E LCR
• Caterpillar 315 and 316 Series: 315C, 315D L, 316E L
• Caterpillar 318 Series: 318B, 318C, 318D L, 318D2 L, 318E L
• Caterpillar 319 Series: 319D L, 319D LN
• Caterpillar 320 Series: 320B, 320C, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 320E, 320E L, 320E LN, 320E LRR, 320E RR
• Caterpillar 321 Series: 321B, 321C, 321D LCR
• Caterpillar 322 and 323 Series: 322, 323D L, 323D LN, 323D SA, 323D2 L, 323E L
• Caterpillar 324 Series: 324D, 324D L, 324E, 324E L, 324E LN
• Caterpillar 325 Series: 325, 325B, 325C, 325D, 325D L
• Caterpillar 326 and 328 Series: 326D L, 328D LCR
• Caterpillar 329 Series: 329D, 329D L, 329E, 329E L, 329E LN
• Caterpillar 330 Series: 330, 330C L, 330D, 330D L, 330D MH
• Caterpillar 336 Series: 336D, 336D L, 336D2, 336D2 L, 336E, 336E H, 336E L, 336E LH, 336E LN, 336F L
• Caterpillar 345 Series: 345C MH, 345D, 345D L, 345D L VG
• Caterpillar 349 Series: 349D, 349D L, 349E, 349E L, 349E L VG, 349F L
• Caterpillar mobile hydraulic power units: 323D L, 325D, 329D L, 329E, 330D L, 336D L, 336E, 336E HVG, 345C L, 349D L, 349E, 349E L HVG

Specifications