9L5521 Manifold fit Caterpillar
9L5521 Manifold fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
Characteristics 9L5521 Manifold fit Caterpillar
9L5521 Manifold
9L5521 is a manifold used in Caterpillar equipment, including articulated trucks, excavators, industrial engines, track-type tractors, truck engines, and wheel tractors. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The listed applications cover several Caterpillar machine and engine series. Before installation, the equipment model, machine configuration, and existing part number should be checked against the service documentation for the specific unit.
Fitment
- Articulated trucks: Caterpillar D250B, D250E, D250E II, D25C, D300B, D300E, D300E II, D30C, D350C, D35C.
- Excavators: Caterpillar 330, 330 FM L, 330 L, 350, E300B.
- Industrial engines: Caterpillar 3306, 3306B.
- Track-type tractors: Caterpillar D6C.
- Truck engines: Caterpillar 1673C, 3306, 3306B, 3306C.
- Wheel tractors: Caterpillar 621R, 627B.
The manifold is listed for use across multiple Caterpillar equipment categories. The same engine series may appear in more than one equipment application, including industrial engines and truck engines. For this reason, fitment should be confirmed using the complete machine identification and the part number shown on the removed component.
Specifications
| Part type | Manifold |
| SKU | 9L5521 |
| Equipment manufacturer | Caterpillar |
| Applicable equipment categories | Articulated trucks, excavators, industrial engines, track-type tractors, truck engines, and wheel tractors |
| Weight | 10.2 lb |
| Length | 37 cm |
| Width | 22 cm |
| Depth | 13 cm |
| Part condition | New |
| Part manufacturer | CTP (Costex Tractor Parts) |
For articulated truck applications, the listed models are D250B, D250E, D250E II, D25C, D300B, D300E, D300E II, D30C, D350C, and D35C. For excavator applications, the listed models are 330, 330 FM L, 330 L, 350, and E300B. The industrial-engine applications are 3306 and 3306B.
For tractor and engine applications, the part is listed for the Caterpillar D6C track-type tractor, 1673C, 3306, 3306B, and 3306C truck engines, and 621R and 627B wheel tractors. These applications identify the equipment and engine series supplied in the available fitment data; no additional model or configuration information is specified.
The available data does not provide cross-reference numbers other than SKU 9L5521. No additional replacement or supplier numbers are included.





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