
548-8578: Spool-bypass
Product Photos

Key Details
| OEM / Part No. | 548-8578 |
|---|---|
| Manufacturer | Caterpillar |
| Category | Hydraulics Valve Groups Components Other |
| Country of Origin | Origin on request |
| Weight | 0.7 kg |
| Dimensions | — |
| Unit of Measure | pcs |
| Condition | New original part |
Specifications
| Material Description | Steel |
|---|---|
| Outside Diameter (mm) | 31, 687 |
| Length (mm) | 176, 8 |
| Outside Diameter (in) | 1, 2475 |
| Length (in) | 6, 96 |
| Material | Carbon Steel |
Compatible Models
Delivery & Payment
Pickup from our warehouse in China or Moscow, plus worldwide delivery.
Include part number, brand, machine model, serial number, quantity, and delivery city. If a replacement is required, our manager will verify compatibility and lead time.
Payment by bank transfer in USD, EUR, CHF, or CNY to our Hong Kong company account, or in RUB to the Russian company account.
Warranty and delivery terms are confirmed on request.
Product Description
Description: Spool used to carry the spring that powers the bypass valve in the filter base of the transmission oil filter assembly. Bypass valves prevent hydraulic oil starvation if filters become blocked during work operations. Attributes: • Hardened Steel spool • Outside Diameter: 31.687 mm (1.2475 in) Application: Consult your owner's manual or contact your local Cat Dealer for more information.