1B4209 Nut for Caterpillar Equipment

1B4209 is a steel hex nut used with Caterpillar equipment, including Caterpillar engines, generator sets, and industrial engines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The nut is identified by the Caterpillar part number 1B4209 and is also referenced as 1B-4209. The supplied specifications include a 1-14 thread, a 0.86-inch height, and a 1 1/2-inch connecting square.

Fitment

The 1B4209 nut is used on the following Caterpillar equipment applications and engine models:

• Caterpillar engine-machine applications
• Caterpillar engine-generator set applications
• Caterpillar industrial engine applications
• Caterpillar 3306
• Caterpillar C15
• Caterpillar C18
• Caterpillar 3508
• Caterpillar 3512
• Caterpillar 3516
• Caterpillar G3516
• Caterpillar G3508
• Caterpillar G3508B
• Caterpillar G3512

Fitment should be checked against the equipment model, engine configuration, and the part number installed on the machine. The listed applications cover Caterpillar engine, generator set, and industrial engine equipment.

Cross-reference numbers

• 1B4209
• 1B-4209

These numbers identify the same nut specification in the available product data. The part number is written both with and without the hyphen.

Specifications

The specified 1-14 thread corresponds to the listed thread size for this nut. The 0.86-inch height and 1 1/2-inch connecting square are the stated dimensional parameters. Overall package dimensions listed for the part are 3.8 cm in length, 3.8 cm in width, and 2.2 cm in depth.

The zinc-plated steel construction and the material description are included as technical characteristics of the 1B4209 nut. No additional components are specified as included with this part.