2278313 Idler Pulleys fit Caterpillar
2278313 Idler Pulleys fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
2278313 Idler Pulley for Caterpillar Equipment
The 2278313 idler pulley is used on Caterpillar equipment, including excavators, articulated dump trucks, wheel excavators, road regeneration machines, and industrial engines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The part is listed for Caterpillar equipment under the 227-8313 reference number and is identified by SKU 2278313. The fitment information below is arranged by equipment type and includes the model designations provided for this part number.
Fitment
Petroleum products
- Caterpillar C11
- Caterpillar C13
- Caterpillar CX31-C11I
- Caterpillar CX31-C13I
- Caterpillar CX31-P600
Road regeneration machine
- Caterpillar RM-300
Industrial engines
- Caterpillar C11
- Caterpillar C13
- Caterpillar C7
Excavators
- Caterpillar 345C
- Caterpillar 345C L
- Caterpillar 345C MH
- Caterpillar 345D
- Caterpillar 345D L
- Caterpillar 345D L VG
- Caterpillar 349D
- Caterpillar 349D L
- Caterpillar 349D2
- Caterpillar 349D2 L
Articulated dump trucks
- Caterpillar 725
- Caterpillar 730
Wheel excavators
- Caterpillar W345C MH
The C11 and C13 designations appear in the fitment data for both petroleum products and industrial engines. The 345C, 345D, and 349D model families are listed under Caterpillar excavator applications, while W345C MH is listed separately as a wheel excavator model.
Cross-reference numbers
- 227-8313 — Caterpillar equipment part-number format listed for the idler pulley
- 2278313 — SKU and unhyphenated part-number format
The numbers above refer to the same listed application reference in hyphenated and unhyphenated formats. Confirm the number stamped or recorded for the existing part before installation where several equipment configurations are in service.
Specifications
| Part type | Idler pulley |
| Equipment brand | Caterpillar |
| Manufacturer | CTP (Costex Tractor Parts) |
| Part condition | New aftermarket spare part |
| SKU | 2278313 |
| Equipment manufacturer reference | 227-8313 |
| Category | Pulleys |
| Listed width | 91.4 mm |
| Listed length | 106.7 mm |
| Listed height | 91.4 mm |
| Listed weight | 1.85 lb |
| Additional listed length | 7.5 cm |
| Additional listed width | 4.3 cm |
| Additional listed depth | 7.7 cm |
The dimensions are reproduced from the available part data under their original measurement labels. The source information provides both millimetre measurements and an additional set of centimetre measurements; these values are shown separately without assigning a packaging or installation meaning that is not specified in the data.
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