6K4190 Cap-Lower for Caterpillar

6K4190 is a cap-lower used as an engine oil filler cap on Caterpillar equipment. The part is used with Caterpillar engines and motor graders, including the 3116, 3126, 3126B, 3304 and C7 engine applications, as well as the 120G, 120H, 120H ES, 120H NA and 120K motor grader models.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The Caterpillar name identifies the manufacturer of the equipment for which the part is listed, not the manufacturer of this spare part.

Fitment

The 6K4190 cap-lower is listed for the following Caterpillar equipment and engine applications:

• Caterpillar 3116 engine application
• Caterpillar 3126 engine application
• Caterpillar 3126B engine application
• Caterpillar 3304 engine application
• Caterpillar C7 engine application
• Caterpillar 120G motor grader
• Caterpillar 120H motor grader
• Caterpillar 120H ES motor grader
• Caterpillar 120H NA motor grader
• Caterpillar 120K motor grader

Fitment is specified by the equipment model or engine designation above. The listed application identifies the equipment series for which the cap-lower is cataloged; configuration, production year and installed engine may affect part interchangeability.

For engine applications, the part is cataloged under the engine oil filler cap category. For machine applications, it is listed for Caterpillar motor graders in the 120 series shown above.

Cross-reference numbers

The part is identified by the following number formats:

• 6K4190
• 6K-4190

6K4190 is the numeric SKU and part number format supplied for this item. 6K-4190 is the hyphenated format used for the same reference number.

Specifications