7F3512 Helical Torsion Spring for Caterpillar

7F3512 is a helical torsion spring used in the brush holder assemblies of Caterpillar engines. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The spring is listed for Caterpillar engine models 3208, 3304, 3306, 3406, 3406B, 3406C, 3408, 3408C, 3408E, and 3412. The equipment brand named here refers to the manufacturer of the engines and machines for which the part is specified.

Fitment

• Caterpillar 3208 engine
• Caterpillar 3304 engine
• Caterpillar 3306 engine
• Caterpillar 3406 engine
• Caterpillar 3406B engine
• Caterpillar 3406C engine
• Caterpillar 3408 engine
• Caterpillar 3408C engine
• Caterpillar 3408E engine
• Caterpillar 3412 engine

The listed fitment covers the Caterpillar engine models identified in the available part data. The part is identified by its application as a helical torsion spring for a brush holder; no additional machine model or assembly position is specified.

Cross-reference numbers

Part number 7F3512 is also written with a separator as 7F-3512. The number 4M1892 is listed as an interchangeable or cross-reference number for this spring. Verify the number stamped or specified for the installed brush holder assembly before fitting.

Specifications

The listed dimensions are depth 1.27 cm, width 15.24 cm, and length 8.89 cm. The stated weight is 0.1 lb. Material, wire diameter, spring rate, number of coils, torque specification, and installation hardware are not provided in the available data.