4L8545 Brass Adapter fit Caterpillar
4L8545 Brass Adapter fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
4L8545 Brass Adapter
The 4L8545 Brass Adapter is a fluid fitting and adapter for Caterpillar equipment, including Caterpillar industrial engines, generator sets and the equipment applications listed below. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The part is identified by SKU 4L8545 and is also listed in the hyphenated catalog-number format 4L-8545. The available fitment information covers several Caterpillar engine models and identifies the application category for each model where provided.
Fitment
- Caterpillar industrial engines: D379, D379B, D398, D398B and D399.
- Caterpillar court equipment: D379A, D379B, D398A, D398B and D399.
- Caterpillar engine generator sets: D379B, D398B and D399.
The model designations listed above are grouped by the equipment application stated in the available catalog data. Several models occur in more than one application group; this does not indicate that the equipment versions are interchangeable. Fitment should therefore be checked against the machine or engine identification and the required catalog number before installation.
Known Caterpillar model designations associated with this adapter include the D379, D379A, D379B, D398, D398A, D398B and D399 engine series. The available data does not specify production years, machine serial-number ranges, installation position or the exact fluid circuit in which the adapter is installed.
Cross-reference numbers
- Caterpillar catalog number: 4L-8545.
- SKU format: 4L8545.
Numbers 4L8545 and 4L-8545 identify the same catalog reference in the supplied product data, with the difference being the presence or absence of the hyphen. No additional supplier numbers or replacement numbers are specified.
Specifications
| Part type | Brass adapter |
| Category | Fluid fittings and adapters |
| Equipment manufacturer | Caterpillar |
| Part condition | New aftermarket spare part |
| Part manufacturer | CTP (Costex Tractor Parts) |
| Weight | 0.1 lb |
| Length | 4 cm |
| Width | 2 cm |
| Depth | 2 cm |
The stated dimensions are 4 cm in length, 2 cm in width and 2 cm in depth. The supplied data does not include thread size, thread type, connection geometry, sealing method, pressure rating, material grade beyond the brass designation, or installation hardware. These parameters are not specified for this listing.























Questions 4L8545 Brass Adapter fit Caterpillar 0 questions