Caterpillar C11 Seals & O-Rings

Seals & O-Rings for Caterpillar C11 engines. Every part in this collection is listed for the C11 by its catalog application record, not by its title. Check your engine serial number or CPL against the part page before ordering.

7 part numbers. Match the part number and your engine serial number — not sure? Call or text (720) 445-6249.

Part #	Replaces	Description	Fits	Price	Availability
421225	Caterpillar 131-3718 Caterpillar 1313718 Mack 4333-1819250C1 +6 more	Caterpillar / International C11 / DT-408 / DT466 O-Ring	CATERPILLAR C11 SERIES CATERPILLAR DT-408 ENGINE +10 more	$14.15	Ships from supplier · Lead time confirmed when you order
321405	Caterpillar 2N5243	Caterpillar O-Ring, PAI (OEM 2N5243), Pack of 5	CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +3 more	$17.15	Ships from supplier · Lead time confirmed when you order
321402	Caterpillar 6V5064	Caterpillar O-Ring, PAI (OEM 6V5064), Pack of 5	CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +2 more	$14.95	Ships from supplier · Lead time confirmed when you order
321400	Caterpillar 226-3571 Caterpillar 2263571	Caterpillar O-Ring, PAI (OEM 2263571), Pack of 5	CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +2 more	$11.75	Ships from supplier · Lead time confirmed when you order
321385	Caterpillar 6V5063	Caterpillar O-Ring, PAI (OEM 6V5063), Pack of 5	CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +2 more	$16.00	Ships from supplier · Lead time confirmed when you order
321370	Caterpillar 2N-0475 Caterpillar 2N0475	Caterpillar O-Ring, PAI (OEM 2N0475), Pack of 2	CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +2 more	$10.12	Ships from supplier · Lead time confirmed when you order
321319	Caterpillar 6V-9027 Caterpillar 6V9027	Caterpillar O-Ring, PAI (OEM 6V9027), Pack of 10	CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +2 more	$10.20	Ships from supplier · Lead time confirmed when you order

Got a Number We Don't List?

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Call or Text(720) 445-6249