5B5812 Dowel Pin for Caterpillar Equipment

5B5812 is a dowel pin used in Caterpillar equipment. The listed applications include Caterpillar D250E, D250E II, D300E, D300E II, PR-450C, 816F, 836, 815B, 815F and 3046 models. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 5B5812 and is listed in the Dowel Pins category. The supplied application data covers several Caterpillar machine and engine model designations; compatibility should be checked against the exact machine model and serial number before installation.

Fitment

• Caterpillar D250E
• Caterpillar D250E II
• Caterpillar D300E
• Caterpillar D300E II
• Caterpillar PR-450C
• Caterpillar 816F
• Caterpillar 836
• Caterpillar 815B
• Caterpillar 815F
• Caterpillar 3046

The model designations above are taken from the available application data for part number 5B5812. The data does not specify a particular installation position, assembly, or serial-number range within these models.

For the D250E and D300E series, the part is listed under the corresponding Caterpillar model designations D250E, D250E II, D300E and D300E II. The PR-450C, 816F, 836, 815B and 815F designations are also included in the supplied fitment information. The 3046 designation is included as a separate listed application.

Cross-reference numbers

• 5B-5812 — Caterpillar number format shown in the source data
• 5B5812 — SKU and compact number format

Both number formats identify the same dowel pin reference supplied for this product. No additional supplier numbers or separate replacement numbers are provided in the available product data.

Specifications

The stated dimensional specification for the pin is 0.4375 in (11.12 mm) long. No material grade, diameter, thread specification, surface treatment, tolerance, or installation hardware is provided in the available data. The product is described as an individual pin; no additional components or installation kit contents are specified.

Application information is limited to the model designations listed above. The supplied data does not identify whether the part is used in a specific engine, transmission, axle, frame, hydraulic system, or other assembly. Confirming the equipment model and the number marked on the removed component is recommended when the machine has multiple possible pin applications.