In Stock (Melbourne)
|Dispatches Same Day (Order before 11AM)
When you need a durable replacement idler CAT 320 325 315 311 for your Caterpillar excavator, Big Power Parts delivers a premium aftermarket solution engineered for demanding Australian conditions. This heavy-duty front idler is built to meet or exceed OEM specifications, ensuring reliable track alignment, reduced wear on your undercarriage, and consistent performance across long shifts. Stocked in our Melbourne warehouse, this idler is ready for fast daily dispatch with express shipping Australia-wide, so you can minimise downtime and keep your fleet moving.
Our idler CAT 320 325 315 311 replacement is manufactured from high-grade forged steel with induction-hardened wear surfaces and precision-machined bearing journals. The sealed, grease-packed bearing design resists contamination from dirt, water, and abrasive materials common on construction and mining sites. Every unit undergoes strict dimensional inspection to guarantee a direct bolt-on fit. Backed by a 1-year parts warranty, you can rely on local technical support from our Melbourne team. Whether you are servicing a single machine or managing a fleet, this idler offers the perfect balance of strength, longevity, and value.
The table below details confirmed submodel fitment for the most common machine series. For 323 and 325 models, please contact our undercarriage specialists to verify specific submodel compatibility before ordering.
| Main Model | Detailed Machine Models |
|---|---|
| 311 | 311C |
| 313 | 313D2, 313D2 LGP |
| 315 | 315C, 315D L |
| 316 | 316E L, 316F, 316F L |
| 317 | 317, 317 GC |
| 318 | 318B, 318B N, 318C, 318D L, 318D2, 318D2 L, 318E L, 318F, 318F L |
| 319 | 319, 319C, 319D, 319D L, 319D LN |
| 320 | 320, 320 GC, 320B, 320B L, 320B N, 320C, 320C FM, 320D, 320D L, 320D LN, 320D GC, 320D FM RR, 320D FM OTHER, 320D RR, 320D LRR, 320D2, 320D2 L, 320D2 GC, 320D2 FM, 320E, 320E L, 320E LN, 320E RR, 320E LRR, 320F L |
| 321 | 321C, 321D LCR |
Installing a high-quality idler CAT 320 325 315 311 from Big Power Parts helps maintain proper track tension and alignment, extending the life of your chains, sprockets, and rollers. Our Melbourne warehouse maintains deep stock levels, and our team dispatches orders daily to keep your project on schedule. If you need a replacement idler CAT 320 325 315 311 or help confirming fitment, contact us today for a fast, free quote and expert advice.
