2666321 U-bolt fit Caterpillar
2666321 U-bolt fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
2666321 U-bolt for Caterpillar Equipment
U-bolt for clamps and fastening applications on Caterpillar excavators. This part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The SKU is 2666321.
Fitment
The U-bolt is listed for the following Caterpillar excavator models and configurations:
- 320C
- 320C FM
- 320C L
- 320D
- 320D FM
- 320D FM RR
- 320D GC
- 320D L
- 320D LN
- 320D LRR
- 320D RR
- 321C
- 321D LCR
Fitment is specified for Caterpillar excavator models in the configurations listed above. The model designation and configuration should be checked against the machine identification and the part number before installation.
Cross-reference numbers
- 266-6321
Part number 266-6321 is the reference number associated with this U-bolt. The product SKU is written as 2666321 without the separator.
Specifications
| Part type | U-bolt |
| Component category | Clamp |
| Equipment brand | Caterpillar |
| Equipment type | Excavator |
| Material | Stainless steel |
| Coating | N/A |
| Thread size, diameter × pitch | M10 × 1.25 mm |
| Thread length | 45 mm |
| Inner width | 292 mm |
| Internal length | 346 mm |
Product dimensions and weight
| Weight | 1.5 lb |
| Length | 40.5 cm |
| Width | 40.5 cm |
| Depth | 0.1 cm |
The listed dimensions describe the supplied U-bolt as recorded for SKU 2666321. Thread dimensions are given as diameter and pitch; the thread specification is M10 × 1.25 mm, with a thread length of 45 mm. The inner width is 292 mm and the internal length is 346 mm.

























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