8C3843 Piston Wear Ring for Caterpillar Equipment

The 8C3843 piston wear ring is a component for Caterpillar heavy equipment, including tracked bulldozers and wheel-type loaders. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

This piston wear ring is listed for use with the equipment models specified below. The part number is also written with a hyphen as 8C-3843. The dimensions provided for the ring are shown in both inch-based component measurements and package dimensions where applicable.

Fitment

The part is used on Caterpillar tracked bulldozers in the following models and model series:

• Caterpillar 11
• Caterpillar 11SU
• Caterpillar 11U
• Caterpillar D11
• Caterpillar D11N
• Caterpillar D11R
• Caterpillar D11T

The part is also listed for Caterpillar wheel-type loaders in the following models:

• Caterpillar 990II
• Caterpillar 990H
• Caterpillar 990K

Fitment is identified by the equipment model and the 8C3843 / 8C-3843 part number reference. The listed applications cover both tracked bulldozer and wheel-type loader equipment.

Cross-reference numbers

8C3843 and 8C-3843 are two written formats of the same referenced part number. No additional supplier or equipment-manufacturer cross-reference numbers are provided in the available product data.

Specifications

The width, inner diameter and outer diameter values describe the piston wear ring. The stated tolerances apply to the width and inner diameter measurements only. The listed length, width and depth are product dimensions supplied separately from the ring’s inch-based dimensional specifications.