1294181 Fits Bridge A Fits Caterpillar Models

One New Aftermarket Replacement Bridge (Valve Bridge) for Caterpillar (Cat) 3500 Series Engines and Heavy Equipment

This aftermarket replacement valve bridge (Bridge A) fits Caterpillar 3500-series diesel and gas engines used across a wide range of Cat heavy equipment and power generation applications. The valve bridge is a critical valvetrain component that links paired intake or exhaust valves, allowing a single rocker arm to actuate both valves simultaneously. Worn or damaged valve bridges can cause poor valve sealing, increased oil consumption, and improper valve geometry -- replacing with a new bridge restores correct valvetrain operation.

Specifications

• Height: 30.35 mm
• Weight: approximately 1 lb
• Condition: New aftermarket

Compatible Models

Caterpillar Engines (Machine & Industrial): 3508, 3508B, 3508C, 3512, 3512B, 3516, 3516B, 3524B

Caterpillar Gas Engines / Generator Sets: G3508, G3508B, G3512, G3512B, G3516, G3516B, G3520B

Caterpillar Mining Excavators: 5130, 5130B, 5230, 5230B

Caterpillar Tractors / Off-Highway Trucks: 776C, 776D, 784B, 784C, 785, 785B, 785C, 789B, 789C, 793B, 793C, 797, 797B

Caterpillar Track-Type Tractors: D11N, D11R

Caterpillar Wheel Dozers: 854G

Caterpillar Wheel Loaders: 992G, 994, 994D

Caterpillar Power Modules: PM3508, PM3512, PM3516, PMG3516

Replaces Part Number(s):

1294181, 129-4181, 1294180, 1004330, 8N7292, 8N7291

New aftermarket replacement part - not remanufactured, not used.