3B8998 Fitting Tube to Pinion Housing Assembly fit Caterpillar
3B8998 Fitting Tube to Pinion Housing Assembly fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
3B8998 Fitting Tube to Pinion Housing Assembly
The 3B8998 Fitting Tube to Pinion Housing Assembly is a fluid fitting and adapter component used with Caterpillar equipment. It is intended for installation in the tube-to-pinion-housing assembly application on the equipment listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The equipment brand associated with this part is Caterpillar. The part is listed for use with Caterpillar engines, industrial engines, marine engines, off-highway trucks, track-type loaders, track-type tractors, and wheel tractor-scrapers. Compatibility should be checked against the machine model and the part number being replaced before installation.
Fitment
- Caterpillar D346 engine
- Caterpillar D343 engine
- Caterpillar 773 off-highway truck
- Caterpillar 955 track-type loader
- Caterpillar 955C track-type loader
- Caterpillar D4D track-type tractor
- Caterpillar 657B wheel tractor-scraper
The source fitment data also identifies the following Caterpillar equipment groups: engine-machine applications, industrial engine applications, marine engine applications, off-highway truck applications, track-type loader applications, track-type tractor applications, and wheel tractor-scraper applications.
Cross-reference numbers
| Product SKU | 3B8998 |
| Caterpillar part number | 3B8998 |
| Other known aftermarket reference | 5D3437 |
| Part name reference | Fitting Tube to Pinion Housing Assembly |
Part number 3B8998 is used as the product SKU and as a Caterpillar equipment part-number reference. Number 5D3437 is listed as an additional aftermarket interchange reference. Confirm the number stamped or recorded on the removed component before ordering or fitting.
Specifications
| Part type | Fitting tube to pinion housing assembly |
| Component category | Fluid fittings and adapters |
| Equipment manufacturer | Caterpillar |
| Manufacturer of this part | CTP (Costex Tractor Parts) |
| Part condition | New aftermarket spare part |
| Listed weight | 0.1 lb |
| Listed length | 8.89 cm |
| Listed width | 15.24 cm |
| Listed depth | 1.27 cm |
| Application position | Tube-to-pinion-housing connection |
The dimensions and weight above are the values provided for this part. Thread specification, material, seal details, and additional included components are not specified in the available product data.




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