8L3873 Beaded Gasket for Caterpillar Equipment

The 8L3873 beaded gasket is a sealing part for joints between mating surfaces in Caterpillar equipment. It is used on Caterpillar cold planers, engines installed in machines, and engine-generator sets. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The gasket is identified by the part number 8L3873 and is also written as 8L-3873. Its function is to form a seal between connected surfaces and help prevent leakage or the entry of contamination at the joint. The available product data identifies the part as a beaded gasket; the exact installation position is not specified.

Fitment

• Caterpillar PM-565 cold planer
• Caterpillar PR-450C cold planer
• Caterpillar 3304 engine
• Caterpillar 3306 engine
• Caterpillar 3406B engine
• Caterpillar 3408 engine
• Caterpillar 3408C engine
• Caterpillar 3408E engine
• Caterpillar 3412 engine

The listed applications cover Caterpillar cold planer equipment, Caterpillar engine-machine applications, and Caterpillar engine-generator set applications. Fitment should be checked against the equipment model and the part number specified for the particular engine or assembly.

Cross-reference numbers

8L3873 and 8L-3873 designate the same gasket part number in the supplied product data. No additional supplier or equipment-manufacturer reference numbers are provided.

Specifications

The dimensions supplied for this part are listed as overall length, overall width, and depth. The product data contains both millimetre and centimetre values for the length and width; these values are retained as provided. The gasket material, bead profile, bolt-hole arrangement, temperature range, and installation torque are not specified.