PRODUCT WARRANTY LIABILITY (Tables)

9 Months Ended

Sep. 30, 2025

Product Warranties Disclosures [Abstract]

Summary of Activity in Product Warranty Account

A tabular reconciliation of the product warranty liability, including accrued product campaigns, was as follows:

	For the Nine Months Ended September 30,
	2025		2024
	(in millions)
Balance, beginning of year	$	12.2	$	14.0
Provision for base warranties issued	5.4		4.5
Payments made during period	(3.3)		(4.3)
Changes in estimates for pre-existing product warranties	(2.1)		(1.6)
Foreign currency translation and other	0.4		0.1
Balance, end of period	$	12.6	$	12.7

Warranty liabilities included in Atmus’ Condensed Consolidated Balance Sheets were as follows:

	September 30, 2025		December 31, 2024
	(in millions)
Current portion	$	5.1	$	4.9
Long-term portion	7.5		7.3
Total	$	12.6	$	12.2